The vertical displacement of the mule comes out to be the difference between the final and the initial position which is 1190 m.
The displacement refers to the distance between the final and the initial position of an object. It is the shortest distance between these points is the displacement of the object. It is a vector quantity.
Vector quantity refers to the measurement in which both magnitude and direction are considered.
Starting point = 1290 m
Final point = 2480 m
Displacement = 2480 - 1920
= 1190 m
1190 m is the vertical displacement of the mule when traveling from one post to another.
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The question is in Spanish and when translated to English, it is:
On a mule trip to Duarte Peak, the rider observes a post 1,290 m above sea level, after 5 hours of walking he pays attention to another post that indicates 2,480 m above sea level. What has been its displacement in the vertical direction?
Which of the following expressions can be used to find how many meters it is from Washington, D.C, to Baltimore? Distances: Washington, D.C, and Alexandria, WA = 11 km, Washington, D.C and Baltimore, MD = 57 km, and Washington, D.C and Annapolis, MD = 53 km. Expressions: A. 1000 divided by 57, B. 100 x 57, C. 57 x 1,000, D. 57 divided 1000.
The correct expression to use to find how many meters it is from Washington, D.C., to Baltimore is:
C. 57 x 1,000.
What is expression?An expression in mathematics is a combination of numbers, variables, and/or operators that represents a mathematical relationship or quantity. It may contain constants, variables, coefficients, and mathematical operations such as addition, subtraction, multiplication, division, and exponentiation.
In the given question,
The correct expression to use to find how many meters it is from Washington, D.C., to Baltimore is:
C. 57 x 1,000
Since 1 km equals 1,000 meters, we can convert the distance of 57 km to meters by multiplying it by 1,000. This gives us:
57 km x 1,000 meters/km = 57,000 meters
Therefore, the distance from Washington, D.C., to Baltimore is 57,000 meters.
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The Smith family goes to Happy Burger and orders 6 hamburgers and 3 fries for a total of $19. 50. The Jansen family also goes to Happy Burger and orders 8 hamburgers and 6 fries for a total of $29. 0. Write the system of equations that represents this situation and determine the cost of one hamburger and one order of fries.
The cost of one hamburger is $2.50 and the cost of one order of fries is $1.50.
Let's use h to represent the cost of one hamburger and f to represent the cost of one order of fries.
The Smith family's order can be represented by the equation:
6h + 3f = 19.50
The Jansen family's order can be represented by the equation:
8h + 6f = 29.00
We now have a system of two linear equations with two variables:
6h + 3f = 19.50
8h + 6f = 29.00
To solve for h and f, we can use the elimination method. We can start by multiplying the first equation by 2 to eliminate the variable f:
12h + 6f = 39.00
8h + 6f = 29.00
Subtracting the second equation from the first, we get:
4h = 10.00
Solving for h, we get:
h = 2.50
Now that we know the cost of one hamburger, we can substitute this value back into one of the original equations to solve for f. Using the first equation:
6h + 3f = 19.50
6(2.50) + 3f = 19.50
15 + 3f = 19.50
3f = 4.50
f = 1.50
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Lindsey wears a different outfit every day. Her outfit consists of one top, one bottom, and one scarf.
How many different outfits can Lindsey put together if she has 3 tops, 3 bottoms, and 3 scarves from which to choose? (hint: the
counting principle)
A)3 outfits
B )9 outfits
C)24 outfits
D )27 outfits
Lindsey can put together 27 different outfits if she has 3 tops, 3 bottoms, and 3 scarves to choose from. The answer is (D) 27 outfits.
How to determine How many different outfits can Lindsey put togetherTo find the number of different outfits that Lindsey can put together, we need to use the counting principle, which states that if there are m ways to do one thing and n ways to do another thing, then there are m x n ways to do both things together.
In this case, there are 3 ways for Lindsey to choose a top, 3 ways to choose a bottom, and 3 ways to choose a scarf. To find the total number of outfits, we multiply these numbers together:
Total number of outfits = number of tops x number of bottoms x number of scarves
Total number of outfits = 3 x 3 x 3
Total number of outfits = 27
Therefore, Lindsey can put together 27 different outfits if she has 3 tops, 3 bottoms, and 3 scarves to choose from. The answer is (D) 27 outfits.
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The ratio of runners to walkers at the 10k fund-raiser was 5 to 7. if there
were 350 runners, how many walkers were there?
There were 490 walkers at the 10k fund-raiser.
The ratio of runners to walkers is 5:7, that means that the every five runners, there are 7 walkers so therefore we will use ratio formula.
If there have been 350 runners, we can use this ratio to discover what number of walkers there were:
5/7 = 350/x
Where x is the number of walkers.
To solve for x, we will cross-multiply:
5x = 7 * 350
5x = 2450
x = 490
Consequently, there were 490 walkers at the 10k fund-raiser.
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Check all that are inequalities.
-3 = y
t > 0
-4. 3 < a
g = 5 and one-half
k less-than Negative StartFraction 5 Over 7 EndFraction
x = 1
Anwer: B C E
The inequalities in the given options are: B) t > 0, C) 3 < a, E) k < -5/7, The correct option is B,C,E.
B) t > 0: This represents an inequality because the symbol ">" indicates "greater than." It states that the variable "t" is greater than zero. In other words, it means that "t" has to be a positive number and cannot be zero or negative.
C) 3 < a: This represents an inequality because the symbol "<" indicates "less than." It states that the number 3 is less than the variable "a." In other words, it means that "a" has to be greater than 3 for the inequality to hold true.
E) k < -5/7: This represents an inequality because the symbol "<" indicates "less than." It states that the variable "k" is less than -5/7. In other words, it means that "k" has to be a value smaller than -5/7 for the inequality to be true.
The other options, such as -3 = y, g = 5 and one-half, and x = 1, do not represent inequalities because they either show an equation (equality) or simply assign values to variables without any comparison.
Therefore the correct option is B,C,E.
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how many different triangles can be formed by side lengths 2 cm, 7cm, and 70 degrees angle formed by these given sides?
the line is parallel to the graph of 2x-3y=7 and contains the point (-3, -3)
The equation of the line that is parallel to the graph of 2x-3y=7 and contains the point (-3, -3) is expressed as: y = (2/3)x - 1.
What is the Equation of Parallel Lines?To find the equation of a line that is parallel to the graph of 2x - 3y = 7, we need to determine the slope of the given line. We can rewrite the equation in slope-intercept form:
2x - 3y = 7
-3y = -2x + 7
y = (2/3)x - 7/3
This implies that the slope of this line is m = 2/3.
Thus, the equation of the line we are to find will take the following form:
y = (2/3)x + b
where b is the y-intercept of the line.
To find the y-intercept (b), substitute (x, y) = (-3, -3) and m = 2/3 into y = mx + b:
-3 = (2/3)(-3) + b
-3 = -2 + b
b = -1
Substitute m = 2/3 and b = -1 into y = mx + b:
y = (2/3)x - 1
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A group of workers takes 4 1/2 days to plant 5 1/4 acres. What is the unit rate in acres per day?
Write your answer as a fraction or a mixed number in simplest form. Answer would be: 1 1/6
The unit rate for planting is 1 1/6 acres per day.
To find the unit rate, we need to divide the total area planted by the number of days taken to plant it. We can convert the mixed number of days to an improper fraction by multiplying the whole number by the denominator and adding the numerator.
Therefore, 4 1/2 days can be converted to 9/2 days.
Now we can divide the total area of 5 1/4 acres by the number of days it took to plant it, which is 9/2 days. To divide fractions, we invert the second fraction and multiply, so:
5 1/4 ÷ 9/2 = 21/4 ÷ 9/2 = 21/4 x 2/9 = 42/36
We can simplify 42/36 by dividing both the numerator and denominator by their greatest common factor, which is 6.
42/36 = 7/6
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Find the product. Assume that no denominator has a value of 0.
6r+3/r+6 • r^2 + 9r +18/2r+1
Answer:
Step-by-step explanation:
We can simplify the fractions first:
(3r + 9)(r+6) / (r+6) = 3r + 9
6r + 3 / (r + 6) = 3(2r + 1) / (r + 6)
(r^2 + 9r + 18) / (2r + 1) = (r^2 + 6r + 3r + 18) / (2r + 1) = [(r+3)(r+6)] / (2r + 1)
So the expression becomes:
[3(2r + 1) / (r + 6)] * [(r+3)(r+6) / (2r + 1)]
We can now cancel out the common factors:
[3 * (r+3)] = 3r + 9
Therefore, the simplified product is:
(3r + 9)(r+6) / (r+6) = 3r + 9
A shipping container is in the shape of a right rectangular prism with a length of 12 feet, a width of 13. 5 feet, and a height of 15 feet. The container is completely filled with contents that weigh, on average, 0. 47 pound per cubic foot. What is the weight of the contents in the container, to the nearest pound?
Answer=1142 lbs
The weight of the component is of length of 12 feet, a width of 13. 5 feet, and a height of 15 feet, and weighs on average 0. 47 pounds per cubic foot is 1142 lbs.
To find the weight of the contents in the container, we need to first find the volume of the container.
The formula for the volume of a right rectangular prism is length x width x height.
So, the volume of the container is:
12 ft x 13.5 ft x 15 ft = 2430 cubic feet
Next, we need to multiply the volume by the weight per cubic foot:
2430 cubic feet x 0.47 lbs/cubic foot = 1141.1 lbs
Rounding to the nearest pound, the weight of the contents in the container is approximately 1142 lbs.
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What are measurements less than 435 inches???? Hurry it’s due tomorrow!!!
Any measurement below 435 inches qualifies as a value less than 435 inches.
To find measurements less than 435 inches, you simply need to consider any value below 435 inches. Here's a step-by-step explanation:
1. Understand the question: You are looking for measurements less than 435 inches.
2. Identify the range: The range includes all values below 435 inches.
3. Provide examples: Examples of measurements less than 435 inches can be 400 inches, 350 inches, 250 inches, 100 inches, and so on.
Remember, any measurement below 435 inches qualifies as a value less than 435 inches.
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Use implicit differentiation to find the derivative of sin(y²)+x=eʸ
To find the derivative of sin(y²)+x=eʸ using implicit differentiation, we need to differentiate both sides of the equation with respect to x.
Starting with the left side, we use the chain rule and the derivative of sin(u), which is cos(u) times the derivative of u with respect to x:
d/dx(sin(y²)) = cos(y²) * d/dx(y²)
Using the power rule, we get:
d/dx(y²) = 2y * d/dx(y)
Putting it all together:
d/dx(sin(y²)) = 2y * cos(y²) * d/dx(y)
Now let's move on to the right side of the equation. The derivative of implicit function eʸ with respect to x is simply eʸ times the derivative of y with respect to x:
d/dx(eʸ) = eʸ * d/dx(y)
Putting it all together, we have:
2y * cos(y²) * d/dx(y) + 1 = eʸ * d/dx(y)
We can now solve for d/dx(y):
d/dx(y) = (1 - 2y * cos(y²)) / eʸ
Therefore, the derivative of sin(y²)+x=eʸ is:
d/dx(y) = (1 - 2y * cos(y²)) / eʸ.
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Using the complex form, find the Fourier series of the function. (30%)
f(x) = 1, 2k -. 25 <= x <= 2k + ,25, k E Z
Answer:
The Fourier series of a periodic function f(x) with period 2L can be expressed as:
f(x) = a0/2 + Σ[n=1 to ∞] (ancos(nπx/L) + bnsin(nπx/L))
where
a0 = (1/L) ∫[-L,L] f(x) dx
an = (1/L) ∫[-L,L] f(x)*cos(nπx/L) dx
bn = (1/L) ∫[-L,L] f(x)*sin(nπx/L) dx
In this case, we have f(x) = 1 for 2k - 0.25 <= x <= 2k + 0.25, and f(x) = 0 otherwise. The period is 0.5, so L = 0.25.
First, we can find the value of a0:
a0 = (1/0.5) ∫[-0.25,0.25] 1 dx = 1
Next, we can find the values of an and bn:
an = (1/0.5) ∫[-0.25,0.25] 1*cos(nπx/0.25) dx = 0
bn = (1/0.5) ∫[-0.25,0.25] 1*sin(nπx/0.25) dx
Since the integrand is odd, we have:
bn = (2/0.5) ∫[0,0.25] 1*sin(nπx/0.25) dx
Using the substitution u = nπx/0.25, du/dx = nπ/0.25, dx = 0.25du/(nπ), we get:
bn = (4/nπ) ∫[0,nπ/4] sin(u) du = (4/nπ) (1 - cos(nπ/4))
Therefore, the Fourier series of f(x) can be written as:
f(x) = 1/2 + Σ[n=1 to ∞] [(4/nπ) (1 - cos(nπ/4))] * sin(nπx/0.25)
for 2k - 0.25 <= x <= 2k + 0.25, and f(x) = 0 otherwise.
A basketball coach thinks that as his team progresses through the season, his players are not scoring as many points as they were in the previous weeks. He uses a table to record the number of points that his team scores for the first ten weeks of the season. First drop down box answers( positive,negative, or no correlation) second drop down box (correct or incorrect)
The correlation between the number of points scored by the basketball team and the weeks of the season is likely negative.
However, without seeing the actual data, it is difficult to determine the exact correlation. As for the coach's statement, it could be either correct or incorrect depending on the actual data. Based on the given information, the basketball coach's observation suggests a negative correlation between the number of weeks into the season and the points scored by his team. Without the actual data, it is impossible to determine if his observation is correct or incorrect.
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(15 POINTS) Zachary is an American traveling with a tour group in Southeast Asia.
During a stop in Malaysia, he purchases a souvenir that is priced at 58 Malaysian riggits using his credit card. If the exchange rate that day is USD to MYR = 3. 04, which is the best estimate of the charge Zachary will later find on his credit card statement? (3 points)
$20
$55
$61
$180
The best estimate of the charge Zachary will later find on his credit card statement is $20
The formula to be used is -
Amount in USD = Amount of MYR/Value of one MYR
As, 3.04 MYR is 1 USD performing money conversion of 58 MYR
So, 58 MYR will be = 58/3.04
Divide the values in Right Hand Side of the equation to find the value of MYR in USD
Value in USD = $19.07
Hence, the credit card statement will reflect usage of $20 (since it is the closes correct option and we have been asked the best estimate).
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Astronaut Harry Skyes has a mass of approximately 85. 0 kg. What is his weight on Mercury?
Mercury's gravity = 3. 70 m/s^2
The weight of Harry Skyes on Mercury is 32.8 kg, under the condition that Mercury's gravity = 3. 70 m/s².
The weight of astronaut Harry Skyes on Mercury can be evaluated using the formula:
Weight on Mercury = (Weight on Earth / 9.81 m/s²) × 3.7 m/s²
Given that Harry Skyes has a mass of approximately 85.0 kg, his weight on Mercury would be:
Weight on Mercury = (85.0 kg / 9.81 m/s²) × 3.7 m/s²
Weight on Mercury = 32.8 kg
Gravity affects weight severely and causes its change . Objects have mass, which is specified as how much matter an object contains. Weight is known as the pull of gravity on mass. The relation between weight and gravitational pull is such that, when on another celestial body, the difference in gravity would alter a person’s weight.
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Find the area under the standard normal distribution curve between z=0 and z=0. 98
The area under the standard normal distribution curve between z = 0 and z = 0.98 is:
0.8365 - 0.5000 = 0.3365
To find the area under the standard normal distribution curve between z = 0 and z = 0.98, we can use a standard normal distribution table or a calculator that can compute normal probabilities.
Using a standard normal distribution table, we can look up the area corresponding to a z-score of 0 and a z-score of 0.98 separately and then subtract the two areas to find the area between them.
The area under the standard normal distribution curve to the left of z = 0 is 0.5000 (by definition). The area under the curve to the left of z = 0.98 is 0.8365 (from the standard normal distribution table).
So the area under the standard normal distribution curve between z=0 and z=0.98 is approximately 0.3365.
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Last question :) btw if u can’t tell the equation there is 6x+68
Answer:
The answer for x is 2
z is 100°
Step-by-step explanation:
80=6x+68
6x=80-68
6x=12
divide both sides by 6
6x/6=12/6
x=2
z=?(empty space)
?(empty space)=z
80+z+z+6x+68=360
Note:6x+68=80
80+80+2z=360
160+2z=360
2z=360-160
2z=200
divide both sides by 2
2z/2=200/2
z=100°
The original price of a skateboard, not including tax, was $96. Charlie bought the skateboard on sale, and he saved 30% off of the original price. What was the sale price of the skateboard?
A. 66. 00
B. 68. 80
C. 67. 20
D. 28. 80
The answer is (C) 67.20.
Charlie saved 30% off of the original price, which means he paid 70% of the original price.
Let x be the sale price of the skateboard.
We have:
0.7 * 96 = x
x = 67.20
Therefore, the sale price of the skateboard was $67.20.
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Let C(t) be the carbon dioxide level in parts per million in the atmosphere where t is the time in years since 2000. Under two possible models the derivative functions are 1. C'(t) = 0.5 +0.025t II. C'(t) = 0.5e0.025 If the carbon dioxide level was 370 ppm in 2000, find C(t) for each model. Then find the carbon dioxide level in 2050 for each model. Using Model I., C(t) = and the carbon dioxide level in 2050 is C(50) = !!! ppm. Using Model II., C(t) = C(50) = and the carbon dioxide level in 2050 is !!
The carbon dioxide level in the atmosphere is modeled using two possible derivative functions. Using Model I, the level in 2050 is approximately 426.25 ppm, and using Model II, it is approximately 522.73 ppm.
Using Model I
We need to integrate the derivative function C'(t) = 0.5 + 0.025t to get C(t).
∫C'(t) dt = ∫0.5 + 0.025t dt
C(t) = 0.5t + (0.025/2)t^2 + C
Using the initial condition that C(0) = 370, we get
370 = 0 + 0 + C
C = 370
So, C(t) = 0.5t + (0.025/2)t^2 + 370
To find the carbon dioxide level in 2050 using Model I
C(50) = 0.5(50) + (0.025/2)(50)^2 + 370
C(50) = 25 + 31.25 + 370
C(50) = 426.25 ppm
Using Model II
We need to integrate the derivative function C'(t) = 0.5e^(0.025t) to get C(t).
∫C'(t) dt = ∫0.5e^(0.025t) dt
C(t) = (20e^(0.025t))/ln(10) + C
Using the initial condition that C(0) = 370, we get
370 = (20e^(0))/ln(10) + C
C = 370 - (20/ln(10))
So, C(t) = (20e^(0.025t))/ln(10) + (370 - (20/ln(10)))
To find the carbon dioxide level in 2050 using Model II
C(50) = (20e^(0.025(50)))/ln(10) + (370 - (20/ln(10)))
C(50) = 522.73 ppm (rounded to two decimal places)
Therefore, the carbon dioxide level in 2050 is approximately 426.25 ppm using Model I, and approximately 522.73 ppm using Model II.
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Find < F:
(Round your answer to the nearest hundredth)
The length of the hypotenuse is approximately 7.21 ft.
To solve this problem, we can use the Pythagorean theorem, which states that in a right triangle, the sum of the squares of the two shorter sides (legs) is equal to the square of the longest side (hypotenuse). In mathematical terms, it looks like this:
a² + b² = c²
Where "a" and "b" are the lengths of the legs, and "c" is the length of the hypotenuse.
In your case, we can substitute the given values into the equation:
6² + 4² = c²
Simplifying:
36 + 16 = c²
52 = c²
To solve for "c," we need to take the square root of both sides of the equation:
√(52) = c
We can simplify the square root of 52 to be 2 times the square root of 13. Therefore:
c ≈ 7.21 ft
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Complete Question:
Find the value of hypotenuse of the given triangle by using the Pythagoras theorem.
A school wants to rent out a laser tag arena the table shows the cost of renting the arena for different numbers of hours suppose the arena charges a constant hourly rate fill in the missing value in the table
hours _______ 5 9 -___________
cost (in dollars ) 500 1,250 __________ 3,500
The constant hourly rate using the given data points is $100 per hour.
To calculate the constant hourly rate, we can use the given data points. For example, let's use the 5-hour rental for $500:
Hourly rate = Total cost / Number of hours
Hourly rate = $500 / 5 hours
Hourly rate = $100 per hour
Now, we can use this hourly rate to find the cost for the missing hour value in the table:
Cost = Hourly rate × Number of hours
Cost = $100 per hour × 9 hours
Cost = $900
So, the table will look like this:
Hours: _______ 5 | 9 | _______
Cost (in dollars): 500 | 1,250 | 3,500
Now we can calculate the missing hours for the $3,500 cost:
Number of hours = Total cost / Hourly rate
Number of hours = $3,500 / $100 per hour
Number of hours = 35 hours
Now, the completed table is:
Hours: _______ 5 | 9 | 35
Cost (in dollars): 500 | 1,250 | 3,500
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Match each angle description on the left with its possible angle measure, m, on the right.
Acute angle ⇒ 0⁰ < m < 90⁰
Straight angle ⇒ m = 180⁰
Obtuse angle ⇒ 90⁰ < m < 180⁰
Right angle ⇒ m = 90⁰
What is an obtuse angle?An obtuse angle is an angle that measures greater than 90 degrees but less than 180 degrees. In other words, an obtuse angle is an angle that is wider than a right angle (90 degrees), but not as wide as a straight angle (180 degrees).
When two rays or line segments intersect at a point, they form an angle. If the angle formed is less than 90 degrees, it is called an acute angle. If the angle is exactly 90 degrees, it is called a right angle.
If the angle is greater than 90 degrees but less than 180 degrees, it is called an obtuse angle. Finally, if the angle measures exactly 180 degrees, it is called a straight angle.
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Question 5 of 5
nguyen has the following cans of soup in his pantry:
•4 cans of chicken noodle soup
• 2 cans of tomato soup
• 3 cans of vegetable soup
•3 cans of potato soup
he randomly chooses a can of soup for lunch. what is the probability that he will choose chicken noodle soup?
a. 1/2
b. 1/4
c. 1/6
d. 1/4
please explain how you got the answer as well
The probability that Nguyen will choose a can of chicken noodle soup is 1/3. Therefore, the correct option is B.
To find the probability, you need to divide the number of favorable outcomes (chicken noodle soup cans) by the total number of possible outcomes (total cans of soup). Hence,
1. Count the total number of cans of soup: 4 chicken noodle + 2 tomato + 3 vegetable + 3 potato = 12 cans in total.
2. Count the number of chicken noodle soup cans: 4 cans.
3. Divide the number of chicken noodle soup cans (4) by the total number of cans (12): 4/12.
4. Simplify the fraction: 4/12 can be simplified to 1/3.
Therefore, the probability of choosing a chicken noodle soup is option B: 1/3.
Note: The question is incomplete. The complete question probably is: Nguyen has the following cans of soup in his pantry: 4 cans of chicken noodle soup; 2 cans of tomato soup; 3 cans of vegetable soup; 3 cans of potato soup. He randomly chooses a can of soup for lunch. What is the probability that he will choose chicken noodle soup? a. ½ b. 1/3 c. 1/6 d. ¼.
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Find the value of x.
Applying the Equidistant Chords Theorem, the value of x in the circle given above is calculated as: b. 50.
What is the Equidistant Chords Theorem?The Equidistant Chords Theorem states that If two chords in a circle, or in congruent circles, are equally distant from the center, then the chords are congruent.
The image given reveals that the two chords are equidistant from the center of the circle, therefore:
x = 2(25)
x = 50.
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In the diagram below, DE is parallel to AB. If CE = 2,
AC = 3.6, AB = 4.2, and DC = 2.4, find the length of CB.
Figures are not necessarily drawn to scale.
The length of CB is 3 unit.
In the given figure ;
By SAS property of similar of triangles,
ΔCED and ΔCAB are similar.
Therefore,
CE/CB = DE/AB = DC/AC
⇒ CE/CB = DC/AC
⇒ 2/CB = 2.4/3.6
⇒ CB = (3.6/2.4)X2 = 3
Hence CB = 3
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Madie and Clyde buy another circular plot of land, smaller than the first, on which to plant an orchard. They have set up coordinates as before, with the center of the orchard at (0, 0). They will plant trees at all points with integer coordinates that lie within the orchard, except at (0, 0).
In this orchard, the tree at (5, 12) is on the boundary. What are the coordinates of the other trees that must also be on the boundary? Explain your answer
The coordinates of the other trees that must also be on the boundary are (-5, 12), (5, -12), (-5, -12), (12, 5), (12, -5), (-12, 5), and (-12, -5).
The coordinates of the other trees that must be on the boundary of the circular orchard, given that the tree at (5, 12) is on the boundary and the center of the orchard is at (0, 0) can be determined as follows.
1. Calculate the radius of the orchard using the distance formula:
sqrt((x2-x1)^2 + (y2-y1)^2).
In this case, (x1, y1) = (0, 0) and (x2, y2) = (5, 12).
2. Radius = sqrt((5-0)^2 + (12-0)^2) = sqrt(5^2 + 12^2) = sqrt(25 + 144) = sqrt(169) = 13.
Now, we know the radius of the orchard is 13. To find the other boundary points, we can use the property of circles that states that the points on the boundary are equidistant from the center.
Since the coordinates are integers and symmetric, we can list the other points as follows:
3. The coordinates of the other trees on the boundary are:
(-5, 12), (5, -12), (-5, -12), (12, 5), (12, -5), (-12, 5), and (-12, -5).
These points are also 13 units away from the center, making them equidistant from the center and thus on the boundary of the circular orchard.
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Cleo bought a computer for
$
1
,
495
. What is it worth after depreciating for
3
years at a rate of
16
%
per year?
After depreciating for 3 years at a rate of 16% per year, the computer is worth approximately $788.26.
To find the worth of the computer after depreciating for 3 years at a rate of 16% per year, we can use the formula for compound interest with depreciation.
Given:
Initial value (cost of the computer) = $1,495
Depreciation rate = 16% per year
Number of years = 3
1. Convert the depreciation rate to a decimal: 16% = 0.16.
2. Calculate the depreciation factor, which is (1 - depreciation rate):
Depreciation factor = 1 - 0.16 = 0.84.
3. Apply the formula for compound interest with depreciation:
Worth = Initial value * (Depreciation factor)^(Number of years).
Substituting the given values into the formula:
Worth = $1,495 * (0.84)^3.
Calculating the exponent:
Worth = $1,495 * 0.84 * 0.84 * 0.84.
Simplifying the expression:
Worth ≈ $788.26.
Therefore, after depreciating for 3 years at a rate of 16% per year, the computer is worth approximately $788.26.
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please help me with this problem!! Image is attached, 20 points!!
The statement that must be true is the original prices of the refrigerator and the stove were the same. So the answer is option B.
Let x represent the original cost of the refrigerator and y represent the original cost of the stove. The refrigerator's sale price is 0.6x (40% off means paying 60% of the original price), while the stove's sale price is 0.8y (20% off means paying 80% of the original price).
To get the overall discount, multiply the total cost after the discount by the original total cost:
(0.6x + 0.8y) / (x + y)
We want this fraction to equal 0.7 (or 30% off), so we can set up the equation:
(0.6x + 0.8y) / (x + y) = 0.7
Simplifying this equation, we get:
0.6x + 0.8y = 0.7(x + y)
0.6x + 0.8y = 0.7x + 0.7y
0.1x = 0.1y
x = y
Therefore, the statement that must be true to conclude that Alfonso received a 30% overall discount on the refrigerator and stove together is: The original prices of the refrigerator and the stove were the same.
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Probability & Sampling:Question 1
Stephanie recorded the time, in minutes, she took to walk
from home to work.
{15, 16, 18, 20, 21)
She also recorded the time, in minutes, she took to walk
from work to home.
(14, 21, 21, 25, 27)
Based on the data she collected, what is the best
conclusion Stephanie can make?
"Based on the data Stephanie collected, the best conclusion she can make is that her commute time varies between walking from home to work and walking from work to home."
Stephanie recorded the time it took for her to walk from home to work and from work to home. The recorded times for walking from home to work are 15, 16, 18, 20, and 21 minutes. The recorded times for walking from work to home are 14, 21, 21, 25, and 27 minutes.
From the given data, we can see that Stephanie's commute time is not consistent. The time it takes for her to walk from home to work varies between 15 and 21 minutes, and the time it takes for her to walk from work to home varies between 14 and 27 minutes. There is no clear pattern or trend in the data.
Therefore, the best conclusion Stephanie can make is that her commute time fluctuates, and it is not fixed or predictable. The specific duration of her commute can vary from day to day.
In conclusion, Stephanie's commute time varies between walking from home to work and walking from work to home, as indicated by the range of recorded times for each direction.
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