We know that the sum of the angles of a triangle is 180 degrees. So, we can find the value of angle LNM as follows:
m/L + m/M + m/N = 180 degrees
Substituting the given values, we get:
40 + 41 + m/N = 180
m/N = 99
Now, we can see that angle LNM is greater than both angles L and M. So, we can conclude that:
OMN > NL > LM
suppp dudess im in lunch detiontion and i need this awnser. If its not right my teacher will fail me!!!
Answer:
16/25
Step-by-step explanation:
64/100 which simplifies to 16/25 if the asked for the simplified answer
How do I solve this? With shown work involved?
a. ln 7 = y in exponential equation is e^y = 7
b. e² = x in logarithm function is log x base e = 2
What is exponential and logarithmic function?
An exponential function is a mathematical function used to calculate the exponential growth or decay of a given set of data.
The logarithmic function is an inverse function to exponentiation. The logarithmic function is defined as. For x > 0 , a > 0, and a ≠1, y= loga x if and only if x = a^y
Therefore,
ln 7 = y
using inverse of ln
7 = e^y
and;
e² = x
using logarithm function as inverse
log x base e = 2.
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The scatterplot below shows a set of data points.
On a graph, points are grouped together and increase slightly.
Which statement about the scatterplot is true?
The scatterplot does not have a cluster, and the variables are not related.
The scatterplot does not have a cluster, and the variables are related. As x increases, y increases.
The scatterplot has a cluster, and the variables are not related.
The scatterplot has a cluster, and the variables are related. As x increases, y increases.
Two clusters can be seen in the scatterplot, and their factors are connected. Y increases, but the growth is gradual, as x increases in the bottom one. As x rises in the upper cluster, y rises as well, but more quickly.
What is a Scatterplot?A collection of points plotted on a horizontal and vertical axis is known as a scatter plot. Because they can display the degree of link, if any,between the values of measured quantities or phenomena, scatter plots are crucial in statistics. Scatter graphs are used for showing data points on an axis that is vertical and horizontal to show how much one element influences another.
Data visualisation that demonstrates the connection between various variables is known as a scatter plot. To show this data, different components of information are positioned between an x- and y-axis. This type of data visualisation takes its name from the way that each of the information points appears to be "spread" across the graph.
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The complete question attached below,
In my bag, one coin is worth $50. The rest are worth $10. The average value of all the coins in my bag is $15. How many coins are in my bag?
There are 8 coins.
In my bag, one coin is worth $50. The rest are worth $10. The average value of all the coins in my bag is $15. How many coins are in my bag?
Let's say that there are x $10 coins in the bag. Then, the total value of these coins would be 10x.
We also know that there is one $50 coin in the bag, so the total value of all the coins in the bag is 10x + 50.
The average value of all the coins in the bag is $15, so we can set up the following equation:
(10x + 50)/(x + 1) = 15
Multiplying both sides by x+1, we get:
10x + 50 = 15(x + 1)
Expanding the right side, we get:
10x + 50 = 15x + 15
Subtracting 10x and 15 from both sides, we get:
35 = 5x
Solving for x, we get:
x = 7
So there are 7 $10 coins in the bag and 1 $50 coin, for a total of 8 coins in the bag.
a memory researcher is testing an experimental behavioral treatment to see if it helps or hurts the memory of alzheimer's syndrome patients. after 3 months of treatment, she tests the patient's memories using a standardized test, and the data is presented below. the population mean for this test is 50. did the treatment affect the patients' memories? use .01 as the level of significance. 43 56 78 76 58 54 44 38 44 71 83 90 what is the correct interpretation of the finding?
H1 is a treatment that affects the patient's memory. Alternative hypothesis H1 indicates that the treatment affected the patient's memory.
To test this hypothesis, the researcher should compare the test result to the population mean of 50. Researchers will use a one-tailed t-test with a significance level of 0.01.
If the calculated t-value is greater than the critical value, the null hypothesis is rejected and the alternative hypothesis is accepted.
To perform a t-test, the researcher must calculate the mean, standard deviation, and t-value of the patient's test scores. The average is calculated by dividing the sum of the test scores by the number of test scores. The standard deviation is calculated as the square root of the sum of the squared deviations from the mean divided by the number of test scores minus one.
The t-value is calculated by dividing the difference between the mean of the patient's test scores and the population mean by the standard deviation of the patient's test scores, multiplied by the square root of the number of test scores.
If the calculated t-value is greater than the critical value, you can reject the null hypothesis and accept the alternative hypothesis that the treatment did indeed affect the patient's memory.
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Peggy was taking a timed 70-question test. She was able to correctly answer 80% of the questions but had to skip the rest. How many questions did Peggy answer correctly? A. 24 B. 46 C. 14 D. 56
Answer:
D
Step-by-step explanation:
(my trick to calculate percentage) to calculate 1% of 70 we do 70/100= 0.7, then we multiply 0.7 with the percent which is 80, so 0.7*80=56
therefor the answer is 56!
Answer:
D. 56
Step-by-step explanation:
80% can also be said as 80/100 and then multiply that with the total value of the thing you need to find.
So in this case its 70.
Now 70x(80/100) [remember the BODMAS rule] solve the bracket first.
80/100 = .8 x 70 = 56
hence the option D
how many unique combinations of types of monsters can a small monster collector capture, if that collector: has 22 small monster containment devices intends to use all of those devices has access to earth, fire, ice, and steam type small monsters intends to capture at least three ice, at least two earth and at most two steam type small monsters
The total number of unique ways in which the type of monsters can be collected by the collector as per the conditions are 6.
The monster collector wants to catch 22 little monsters.
The combination in one case is given by the formula,
C(n, a) = ⁿCₐ = n!/(n-a)!(a)!
Now the question says he intends to catch at least two of each type.
This is represented mathematically because the has twenty small sample container assemblies. Collector can only access non-unique types. They are small monsters with attributes of water, fire and grass.
C(3, 2) = 3!/(2!(3-2)!)
= 3!/2! x1!
= 3
He also intends to catch at least three fire monsters.
(3-1)!)
= 3!/1!x2!
= 3
The number of different combinations is therefore 6.
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Find the area; reduce to lowest terms: Length: 2 2/3 feet width 3/5 feet
Answer:
1 3/5
Step-by-step explanation:
[tex](2\frac{2}{3} )(\frac{3}{5})= (2\frac{10}{15})( \frac{9}{15} )= (\frac{40}{15} )( \frac{9}{15} )= \frac{360}{225}[/tex]
Divide by 45 to simplify
[tex]\frac{8}{5} = 1\frac{3}{5}[/tex]
PLEASE HELP ME WITH THESE QUESTIONS. WILL MARK BRAINLIEST IF ANSWERED CORRECTLY. I RLLY NEED HELP ASAP. QUESTIONS 1-4
Answer:
1) x = 6
2) x = 2√10 = 6.3
3) z = 19
4) x = 1
Step-by-step explanation:
1)
[tex]10x = 5(12)[/tex]
[tex]10x = 60[/tex]
[tex]x = 6[/tex]
2)
[tex] {x}^{2} = 10(4)[/tex]
[tex] {x}^{2} = 40[/tex]
[tex]x = 2 \sqrt{10} = 6.3[/tex]
3)
[tex](14 + 4)(14) = (z + 9)(9)[/tex]
[tex]18(14) = 9(z + 9)[/tex]
[tex]2(14) = z + 9[/tex]
[tex]28 = z + 9[/tex]
[tex]z = 19[/tex]
4)
[tex]2(4) = 8x[/tex]
[tex]8 = 8x[/tex]
[tex]x = 1[/tex]
The growth rate of Covid patient is 5% per hour. If the number of Covid patient in the morning 8:00 am is 44,100, what was the number before 2 hours?
Rounding to the nearest whole number, the previous number of Covid patients before 2 hours was 39,991.
What is growth rate?A population's growth rate gauges how much a quantity's worth has increased in percentage terms.
To find the number of Covid patients before 2 hours, we need to apply the 5% growth rate for 2 hours to the current number of patients (44,100 at 8:00 am).
First, we can find the growth factor by adding 1 to the percentage growth rate expressed as a decimal:
1 + 0.05 = 1.05
Next, we can raise the growth factor to the power of the number of hours of growth:
1.05² = 1.1025
Finally, we can divide the current number of patients by the growth factor to find the previous number of patients:
44,100 / 1.1025 = 39,990.91
Rounding to the nearest whole number, the previous number of Covid patients before 2 hours was 39,991.
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Debbie scored a total of 504 marks in x tests. After another 3 tests, her total score for all the
tests was 756 marks. If the average score for the first x tests is the same as the average score for
all the tests, find the number of tests that Debbie sat for.
Debbie sat for 9 tests with a total score of 756, based on her average of 84 marks for all tests.
What is the average?The average refers to the quotient of the total value divided by the number of data items.
The average is also known as the mean.
The total number of marks obtained in x tests = 504
The additional number of tests taken = 3
The total number of marks obtained in x + 3 tests = 756
The number of marks obtained in 3 tests = 252 (756 - 504)
The average marks obtained in the 3 tests = 84 (252 ÷ 3)
The average marks obtained in x tests = 84
x = 6 (504 ÷ 84)
Therefore, the total number of tests taken = x + 3 = 6 + 3 = 9.
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Question 3
A survey of American households asked 1000 Americans and found the 20% of them own 2 pets identify the sample
A. All Americans
B. 20%
C. 1000
D. 2
Question 4
A survey of American households asked 1000 Americans and found that 20% of them own 2 pets identify the population
A. All Americans
B. 20%
C. 1000
D. 2
The sample size was 1000 Americans, and 20% of the survey respondents reported owning 2 pets. To calculate the number of Americans who own 2 pets, we can use the formula (20/100) x 1000 = 0.20 x 1000 = 200. However, we cannot directly conclude that 20% of all Americans own 2 pets.
How will you identify the sample?The 1000 Americans that were polled in this case make up the sample. This indicates that a sample rather than the complete American population was used to get the data on pet ownership.
A statistic, which is a quantitative description of the sample, is the finding that 20% of survey respondents reported having two pets. It is crucial to remember that while this statistic provides useful information about the sample, it cannot be used to draw conclusions about the full population without additional research or inference.
Based on the poll, we can apply the following calculation to get the proportion of Americans who own two pets:
Number of Americans who own 2 pets = (Percent of survey respondents who own 2 pets / 100) x Sample size
Plugging in the given values, we get:
Number of Americans who own 2 pets = (20 / 100) x 1000
= 0.20 x 1000
= 200
As a result, we may assume that 200 Americans possess 2 pets based on the poll results. However, as this would entail assuming the representativeness of the sample and the generalizability of the results, we cannot immediately conclude that 20% of all Americans own 2 pets.
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heather and her two friends went to the nail salon to gte a manicure and a pedicure. manicures cost $18 and pedicures cost $30. heather upgraded her manicure to gel polish which costs an extra $10. The group paid 4% sales tax and left a tip that was about 5 times the ammount of tax they paid. How much did they spend in total including tax and tip.
they spent a total of $215.76 including tax and tip.
What is the arithmetic operation?
The four fundamental operations of arithmetic are addition, subtraction, multiplication, and division of two or more quantities. Included in them is the study of numbers, especially the order of operations, which is important for all other areas of mathematics, including algebra, data management, and geometry. The rules of arithmetic operations are required in order to answer the problem.
Therefore, the total cost per person without tax and tip would be:
$28 + $30 = $58
Since there were three people, the total cost without tax and tip would be:
$58 × 3 = $174
The sales tax would be 4% of the total cost:
$174 × 0.04 = $6.96
The tip left was about 5 times the amount of tax, so:
Tip = $6.96 × 5 = $34.80
Therefore, the total cost including tax and tip would be:
$174 + $6.96 + $34.80 = $215.76
So, they spent a total of $215.76 including tax and tip.
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Find the polynomial function h(x)of lowest degree in standard form if it has roots: x=-5,√3
Step-by-step explanation:
If a polynomial function has roots at x=-5 and x=√3, it means that it can be factored as follows:
h(x) = a(x+5)(x-√3)
where 'a' is a constant coefficient that represents the leading term of the polynomial function.
To find the value of 'a' and express the polynomial function in standard form, we can multiply the factors and simplify as follows:
h(x) = a(x+5)(x-√3)
h(x) = a(x^2 - √3x + 5x - 5√3)
h(x) = a(x^2 + 2x√3 - 5√3)
To find the value of 'a', we can substitute one of the given roots into the equation and solve for 'a'. Let's choose x = -5:
h(-5) = a((-5)^2 + 2(-5)√3 - 5√3)
h(-5) = a(25 - 10√3 - 5√3)
Since x=-5 is a root, h(-5) = 0. Therefore:
0 = a(25 - 15√3)
a = 0 or a = (15√3)/25 = (3√3)/5
Since the coefficient 'a' cannot be zero, the polynomial function h(x) of lowest degree in standard form is:
h(x) = (3√3/5)(x^2 + 2x√3 - 5√3)
h(x) = (3√3/5)x^2 + (6/5)√3x - 3√3
Need help ASAP!!!! RIGHT NOW!!!! THIS INSTANT!!!!
The value of a brand new car is $10,000 and the value depreciates 18% every year. Write a function to represent the value of the car after t years, where the quarterly rate of change can be found from a constant in the function. Round all coefficients in the function to four decimal places. Also, determine the percentage rate of change per quarter, to the nearest hundredth of a percent.
The function representing the car's value after t years is V(t) = [tex]$10,000 \times (1 - 0.4231)^4t[/tex]. The percentage rate of change per quarter is approximately 57.69%.
What is a function?[tex]V(t) = $10,000 \times 0.2835^t[/tex]
To represent the value of the car after t years, we can use the following formula:
V(t) = V(0) x (1 - r)⁴t
where V(0) is the car's initial value ($10,000), r is the quarterly rate of change, and t is the number of years.
To find the quarterly rate of change, we can use the annual rate of change of 18%:
r = (1 - 0.18)^(1/4)
r ≈ 0.4231
Therefore, the function to represent the value of the car after t years is:
[tex]V(t) = $10,000 \times (1 - 0.4231)^4t\\V(t) = $10,000 \times 0.2835^t[/tex]
To determine the percentage rate of change per quarter, we can use the formula:
q = (1 - r) x 100%
q = 57.69%
Therefore, the percentage rate of change per quarter is approximately 57.69%.
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a histogram of the average age for every possible combination of cases from the population is referred to as a
A histogram of the average age for every possible combination of cases from the population is referred to as a scatter plot
A scatter plot matrix is a plot that presents all feasible scatter plots for a given collection of variables in a matrix structure. It is helpful for investigating the connections between related factors in a collection. A scatter plot matrix is not a histogram that shows the average age for every mix of instances drawn from the community.
Instead, it is referred to as a sampling distribution or a distribution of sample means. This kind of histogram displays the range of means for all conceivable community samples of a specific number. It is a crucial idea in statistics because it aids in understanding a population's characteristics based on a subset of data.
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many people now turn to the internet to get information on health-related topics. a research article used flesch reading ease scores (a measure of reading difficulty based on factors such as sentence length and number of syllables in the words used) to score pages on wikipedia and on webmd. higher flesch scores correspond to more difficult reading levels. the paper reported that for a representative sample of health-related pages on wikipedia, the mean flesch score was 26.2 and the standard deviation of the flesch scores was 14.2. for a representative sample of pages from webmd, the mean score was 43.6 and the standard deviation was 19.9. suppose that these means and standard deviations were based on samples of 40 pages from each site. is there convincing evidence that the mean reading level for health-related pages differs for wikipedia and webmd? test the relevant hypotheses using a significance level of 0.05.
t-value (-4.38) is greater than the absolute value of
the critical t-value (1.990), we can reject the null hypothesis and conclude
that there is convincing evidence that the mean reading level for health-
related pages differs for Wikipedia and WebMD.
To test if there is convincing evidence that the mean reading level for
health-related pages differs for Wikipedia and WebMD, we can use a
two-sample t-test.
Let's set up the null and alternative hypotheses:
Null hypothesis: The mean reading level for health-related pages is the
same for Wikipedia and WebMD (μ1 = μ2)
Alternative hypothesis: The mean reading level for health-related pages
differs for Wikipedia and WebMD (μ1 ≠ μ2)
We will use a significance level of 0.05, which means that we are willing
to accept a 5% chance of making a Type I error (rejecting the null
hypothesis when it is actually true).
We can use the following formula to calculate the test statistic:
t = (x_1 - x_2) / (s_pool × √(2/n))
Where:
x_1 and x_2 are the sample means
s_pool is the pooled standard deviation, calculated as:
[tex]\sqrt{ (((n1-1)\timess1^2 + (n2-1)\timess2^2) / (n1+n2-2))}[/tex]
n is the sample size for each group
Plugging in the values, we get:
x1 = 26.2
x2 = 43.6
s1 = 14.2
s2 = 19.9
n1 = n2 = 40
s_pool = [tex]\sqrt{(((40-1)\times14.2^2 + (40-1)\times19.9^2) / (40+40-2))} = 17.0[/tex]
t = (26.2 - 43.6) / (17.0 × √(2/40)) = -4.38 (rounded to two decimal places)
Looking up the critical t-value with degrees of freedom = 78 (df = n1 + n2 - 2), and a significance level of 0.05, we get:
t_critical = ±1.990
Since our calculated t-value (-4.38) is greater than the absolute value of
the critical t-value (1.990), we can reject the null hypothesis and conclude
that there is convincing evidence that the mean reading level for health-
related pages differs for Wikipedia and WebMD.
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name date period portfolio problem: squares and their friends find the area of the shaded square. explain your reasoning. the square below has sides of 2 cm. what is the radius of the circle?
The area of the shaded square is 4 square centimeters, and the radius of the circle is approximately 1.41 cm.
To find the area of the shaded square and the radius of the circle, we will follow these steps:
Step 1: Identify the dimensions of the square.
From the student question, we know that the square has sides of 2 cm each.
Step 2: Find the area of the square.
The area of a square can be calculated using the formula:
Area = side × side.
In this case, the area of the square is:
2 cm × 2 cm = 4 square centimeters.
Step 3: Find the diagonal of the square.
The diagonal of a square can be found using the Pythagorean theorem:
diagonal² = side² + side².
In this case, the diagonal² = 2 cm² + 2 cm² = 4 cm² + 4 cm² = 8 cm².
Taking the square root of both sides, we get: diagonal = √8 cm ≈ 2.83 cm.
Step 4: Find the radius of the circle.
Since the circle is inscribed in the square, its diameter is equal to the diagonal of the square.
Thus, the radius of the circle is half the diagonal.
Radius = diagonal ÷ 2 ≈ 2.83 cm ÷ 2 ≈ 1.41 cm.
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Suppose a single die is rolled. find the probabilities. (enter the probabilities as fractions.) (a) 4, given that an odd number was rolled (b) 5, given that an odd number was rolled suppose a pair of dice are rolled. consider the sum of the numbers on the top of the dice and find the probabilities. (enter the probabilities as fractions.) (a) 7, given that the sum is odd (b) odd, given that a 7 was rolled (c) 7, given that at least one die came up 2
a) The probability of 6 is 1/3.
b) Probability of sum of an even numbers = 1/2.
c) Probability of getting a 2 on at least one dice = 11/36.
a) The ratio of good outcomes to all possible outcomes of an event is known as the probability. The number of positive results for an experiment with 'n' outcomes can be represented by the symbol x. The probability of an occurrence may be calculated using the following formula.
Probability(Event) = Positive Results/Total Results = x/n
Experiment: A trial or procedure carried out to generate a result is referred to as an experiment.
Sample Space: A sample space is the collection of all potential results of an experiment. Tossing a coin, for instance, has two possible outcomes: head or tail.
Favorable Consequence: An occurrence is deemed to have generated the desired outcome or an anticipated event if it did so.
Trial: To conduct a trial is to conduct a random experiment.
It is given to us that a die is rolled
Then, the sample space = {1,2,3,4,5,6}
We are given that it is an even number.
The, we have left with reduced sample space is {2,4,6}
Thus, the probability of 6 is 1/3.
b) So, the number of possibilities of the sum of even numbers is 18.
The probability of an event = number of favorable outcomes/ total number of outcomes.
Probability of sum of an even numbers = 18 / 36 = 1 / 2.
c) Probability of getting a 2 on at least one dice = Favorable outcomes / Total outcomes = 11 / 36 So, P (getting 2 at least on 1 dice) = 11/36.
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4% of 975 is what number?
percent Proportion-
Percent Equation-
Answer:
To find 4% of 975, we can use the percent equation:
x = (4/100) * 975
Simplifying this expression, we get:
x = 0.04 * 975
Multiplying 0.04 and 975, we get:
x = 39
Therefore, 4% of 975 is 39.
The cafeteria employees would like to start selling fruit in the morning. They surveyed 24
students by asking every 8th student that entered the cafeteria for breakfast. Four students
said they preferred apples, 3 preferred oranges, and 1 preferred peaches. If 336 students
purchase breakfast daily, about how many students can they expect to pick an orange?
Answer:
42 students would be expected to pick an orange
or
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A muffin company owns 6 bakeries. Each bakery makes 6,092 muffins per day. How many muffins in total do the bakeries make each day?
The total number of muffins the bakeries make each day is 36,552.
As per the given information, A muffin company owns 6 bakeries. Each
bakery makes 6,092 muffins per day.
To find out how many muffins in total the bakeries make each day, you
should multiply the number of bakeries by the number of muffins each
bakery makes per day.
Identify the number of bakeries (6) and the number of muffins per bakery
(6,092).
Multiply the number of bakeries by the number of muffins per bakery (6 × 6,092).
Therefore, each day, bakers produce a total of 36,552 muffins.
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Assume all lines that appear parallel, are parallel. Solve for x.
The value for x is 10. The solution has been obtained by using the triangle similarity theorem.
What is triangle similarity theorem?
The triangle that comes from the intersection of two sides of a triangle by a segment parallel to one of the sides is equivalent to the original triangle, and the segment that splits the two sides it intersects is proportionate.
In the given figure, a line is parallel to the base of the triangle.
So, as per triangle similarity theorem, the other sides are proportional to each other.
From this, we get
⇒ [tex]\frac{12}{x}[/tex] = [tex]\frac{18}{15}[/tex]
Now, we will solve the equation for x to obtain the required value.
On solving, we get
⇒ 18x = 12 * 15
⇒ 18x = 180
⇒ x = 10
Hence, the value of x is 10.
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it is fair to say that the ucr is: group of answer choices a mutually exclusive measure not a truly reliable measure an exhaustive measure all of the above
The UCR (Uniform Crime Reporting) is B. not a truly reliable measure.
The UCR is a program established by the FBI in 1930 to collect and analyze crime statistics from law enforcement agencies across the United States. Although it provides useful data and insights into crime trends, it is not without its limitations. One significant issue with the UCR is that it relies on voluntary reporting from law enforcement agencies, meaning that some areas may not provide complete or accurate data. This can lead to an underrepresentation of certain crimes or inconsistencies in reporting across jurisdictions.
Another limitation is that the UCR only includes reported crimes, excluding any unreported criminal activity. This means that the data does not necessarily provide a comprehensive picture of all crimes occurring in a given area. Additionally, the UCR uses a hierarchy rule, meaning that if multiple crimes are committed during a single incident, only the most severe crime is counted. This can result in an undercounting of less severe but still significant crimes.
In summary, although the UCR provides valuable information on crime trends and patterns, it is not a truly reliable measure due to its reliance on voluntary reporting, exclusion of unreported crimes, and hierarchy rule. Therefore, the correct option is B.
The question was incomplete, Find the full content below:
it is fair to say that the ucr is: group of answer choices
A. A mutually exclusive measure
B. Not a truly reliable measure
C. An exhaustive measure
D. All of the above
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What is the diameter of a circle to the nearest hundredth with the given
circumference of 40?
Answer:
12.74
Step-by-step explanation:
To find the diameter of a circle with a given circumference, you can use the formula:
Circumference = π x diameter
where π (pi) is a mathematical constant approximately equal to 3.14159.
In this case, the circumference is given as 40. So we can rearrange the formula to solve for the diameter:
diameter = Circumference / π
Substituting the given values, we get:
diameter = 40 / π
To get the answer to the nearest hundredth, we can use a calculator or estimate π to a few decimal places. Let's use π ≈ 3.14.
diameter = 40 / 3.14
diameter ≈ 12.74
Therefore, the diameter of the circle to the nearest hundredth is approximately 12.74.
Step-by-step explanation:
Circumference = pi * d
circumference / pi = d = 40 / pi = 12.73 units
Lonna has 1 7 liter of juice. She distributes it equally to 3 students in her tutoring group. What fraction of the juice does each student get?
Answer:
1/21
Step-by-step explanation:
you do 1/7 divided by 3, because she distributes 1/7 liters of juice to 3 students. We can infer that its dividing because it says distribute.
anyone know this? URGENT
Answer:
a) [tex] \frac{4}{5} [/tex]
b) [tex] \frac{3}{35} \: \: larger[/tex]
.
Step-by-step explanation:
Given:
[tex] \frac{4}{5} \: and \: \frac{5}{7} [/tex]
a) In order to find the larger fraction, we have to make their denominator the same (it's 35 (multiply both fractions' denominators) in this case)
[tex] \frac{4 \times 7}{35} = \frac{28}{35} [/tex]
[tex] \frac{5 \times 5}{35} = \frac{25}{35} [/tex]
[tex] \frac{28}{35} > \frac{25}{35} [/tex]
.
b) In order to find how much larger it is, we have to subtract the smaller fraction from the larger one (find the difference):
[tex] \frac{28}{35} - \frac{25}{35} = \frac{3}{35} [/tex]
a new coffee shop can hold no more than 50 seats. the owner wants at least 20 of the seats to be stools and the remaining seats to be recliners. if x is the number of stools and y is the number of recliners, which graph represents the solution to the system of inequalities?
let us consider x as the number of stools and y be the number of recliners
therefore, total seats [tex]\leq[/tex] 50
= x + y [tex]\leq[/tex] 50
then, owner wants a least 20 of the seats to be stools
x [tex]\geq[/tex] 20
the rest are the number of recliners.
the equation of inequality is x + y [tex]\leq[/tex] 50
x + y =50
if x = 0 and y = 50
if y = 0 and x = 50
therefore the joining points are (0, 50) and ( 50, 0) in the coordinate plan
0+0 [tex]\leq[/tex] 50
then the shaded region will contain the origin
Graphing of x [tex]\geq[/tex] 20
shading the region left side x = 20
Hence, number of materials can never be negative.
therefore,
x [tex]\geq[/tex] 0 and y [tex]\geq[/tex] 0
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Find an angle in each quadrant with a common reference angle with 340°
The angles with a common reference angle of 340° are:
20° (first quadrant)200° (second quadrant)160° (third quadrant)340° (fourth quadrant)To find an angle in each quadrant with a common reference angle of 340°, we need to determine the reference angle of 340° and then find angles in each quadrant with that same reference angle.
The reference angle of 340° is found by subtracting the nearest multiple of 360°, which is 0°, from 340°. Therefore, the reference angle of 340° is 20°.
Quadrant I:
To find an angle in quadrant I with a reference angle of 20°, we simply take the reference angle itself, which is 20°.
Quadrant II:
To find an angle in quadrant II with a reference angle of 20°, we need to add the reference angle to 180°, which gives us 200°.
Quadrant III:
To find an angle in quadrant III with a reference angle of 20°, we need to subtract the reference angle from 180°, which gives us 160°.
Quadrant IV:
To find an angle in quadrant IV with a reference angle of 20°, we need to subtract the reference angle from 360°, which gives us 340° (which is the original angle we started with).
Therefore, the angles in each quadrant with a common reference angle of 20° are:
Quadrant I: 20°Quadrant II: 200°Quadrant III: 160°Quadrant IV: 340°The complete question is:-
Find an angle in each quadrant with a common reference angle with 340°, from 0°≤θ<360°
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Un juego tiene una baraja de cartas con 10 cartas rojas, 4 cartas azules y 2 cartas amarillas. ¿Cuál es la probabilidad de sacar dos cartas rojas sin reemplazo?
Answer:
Step-by-step explanation:
(-3,4)
Answer:
La probabilidad de sacar dos cartas rojas sin reemplazo de una baraja con 10 cartas rojas, 4 cartas azules y 2 cartas amarillas es 3/8 o 0.375.
Step-by-step explanation:
1. Determina la probabilidad de sacar una carta roja del mazo:
P(Rojo) = Número de Tarjetas Rojas / Número Total de Tarjetas
P(Rojo) = 10 / (10 + 4 + 2)
P(Rojo) = 10 / 16
P(Rojo) = 5 / 8
2. Determine la probabilidad de sacar una segunda tarjeta roja después de sacar la primera carta. Como ya se sacó una carta roja, solo quedan 9 cartas rojas en el mazo, y el número total de cartas restantes es 15:
P(Roja en el segundo sorteo) = Número de tarjetas rojas restantes / Total de tarjetas restantes
P (Rojo en el segundo sorteo) = 9 / 15
3. Multiplique la probabilidad de sacar una tarjeta roja por la probabilidad de sacar una segunda tarjeta roja después de sacar la primera para obtener la probabilidad de sacar dos tarjetas rojas sin reemplazo:
P(Dos tarjetas rojas) = P(Roja) * P(Roja en el segundo sorteo | Roja en el primer sorteo)
P(Dos tarjetas rojas) = (5/8) * (9/15)
P(Dos tarjetas rojas) = 3/8 o 0,375
Por lo tanto, la probabilidad de sacar dos cartas rojas sin reemplazo del mazo es 3/8 o 0.375.