The names of 0 employees are written on 0 cards. the cards are placed in a bag, and three names are picked from the bag - here simple random sampling technique was used.
What is simple random sampling?Basic irregular testing can provide you with an extremely precise image of how your motto performs with the typical individual, yet it won't give you nitty gritty data about unambiguous gatherings. Utilizing straightforward irregular testing permits scientists to make speculations about a particular populace and leave out any inclination. This can assist with deciding how to settle on future choices. It has been expressed that "the rationale behind straightforward arbitrary examining is that it eliminates predisposition from the choice method and ought to bring about delegate tests".
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A rectangular hotel room has a perimeter of 72 feet. Its area is 320 square feet. What are the dimensions of the room?
Answer
Step-by-step explanation:
Diana usually drives at an average rate of 30 mph. If Diana drives at an average rate of x mph, how long will it take her to get to Tony's house?
Diana drives for two hours at a speed of 30 mph, covering a total distance of 60 miles to get to Tony's house.
What exactly is average speed?Average speed is described as the ratio of a body's total distance traveled to the total time required to reach its destination.The total distance covered by the element in a given time interval is the average speed. A scalar quantity is average speed. It is depicted by magnitude and lacks direction.Diana drives for two hours at a speed of 30 miles per hour.
To calculate the distance she will travel
Average speed = total distance / total time
Total time = two hours and the average speed = 30 mph
30 mph = total distance / two hours
Total distance = 30 × 2
Total distance = 60 miles
Therefore, Diana drives for 2 hours at a speed of 30 mph, so the total distance traveled is 60 miles to get to Tony's house.
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a medical researcher obtains a sample of adults suffering from diabetes. she randomly assigns people to a treatment group and to a placebo group. the treatment group receives a medication over a period of three months and the placebo group receives a placebo over the same time frame. at the end of three months the patients' symptoms are evaluated.
This is an example of an experimental study since the researcher chose who would get medicine and who would receive a placebo.
What is Experimental Study?a quantitative research technique that controls other pertinent variables while observing the effects of changes in the study's key variables The Impact of Product Modularity on Supplier Integration: A Multi-Objective Approach2 provides further information. In experimental research, participants are randomly divided into distinct groups (such as experimental and control groups) in order to ascertain the causal relationship between a given condition (an independent variable) and a certain outcome (dependent variable).An illustration of an experimental research on the subject would be to assign people at random to either spend 10 minutes on their page as the experimental treatment, or spend the same amount of time on other websites (control group).
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A rectangle PQRS is dilated about the origin to form a new rectangle P ’Q ’R ’S ’, as shown. What is the scale factor of the dilation?
Answer:
3
Step-by-step explanation:
Point p was on -1, 2
Point p' was on -3, 6
IF you divde p' by p you get 3, so the dialation is 3.
On a shopping trip, Jeffery buys 3 sweaters and 5 pairs of jeans for $160. Eric also purchases 6 sweaters and two pairs of jeans for the same price. What is the difference in price of a sweater and one pair of jeans?
Answer:
Step-by-step explanation:
It would most likely be 0, but I am not sure.
annie measured a city park and made a scale drawing. the scale of the drawing was 1 millimeter : 4 meters. the soccer field is 28 millimeters long in the drawing. how long is the actual field?
Answer:
Step-by-step explanation:
34 millimeter
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
Write an inequality for the graph.
The inequality for the graph is given by y > | x - 5 | + 1 .
An inequality in mathematics is a relation that compares two numbers or other mathematical expressions in an unequal way.
A graphical representation of an inequality in 2 dimension refers to as the region above or below the graph.
Given the graph of an inequality we write the required inequality using translation properties of a graph.
The parent function of the graph can be written as y > | x |.
the graph of y > | x | is attached below.
The following steps are used to write the inequality:
Now for the vertical shift of 1 unit of the graph we replace the y value with y-1. Therefore the new inequality becomes y-1> |x| or , y = | x | +1Now for the horizontal shift of 5 units of the graph we replace the x with x-5 , Therefore the graph becomes y > | x - 5 | + 1Hence the required inequality for the graph is given by y > | x - 5 | + 1
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Please help me it doesn't have to be quickly just help
Answer:
3 to the power of 3
Step-by-step explanation:
Answer:
1. 8x
2.4x^2
3.3^x
Step-by-step explanation:
I took the test
Which of the following describes a situation in which the total distance a baseball player travels is zero meters from his starting point? (5 points)
Situation (B) best describes how a baseball player travels a total distance of zero meters from his starting point, that is, the player runs 3 meters forward and then 3 meters in the opposite direction.
What is the distance?Distance is a numerical or quantifiable measurement of the distance between two objects or points. The distance can refer to a physical length or an estimate based on other criteria in physics or everyday usage (e.g. "two counties over"). Because spatial thinking is a rich source of conceptual metaphors in human thought, the term is also frequently used figuratively to mean a measurement of the amount of difference between two common pieces (such as statistical distance between probability distributions or edit distance between text strings) or a degree of detachment (as exemplified by the distance between people in a social network). The concept of a metric space is used in mathematics to formalize most such notions of distance, both physical and metaphorical.According to the options:
Options (A), (C), and (D) is wrong as there the basketball travels some sought distance from the starting point. It is only in option (B) in which the total distance of the baseball player comes to 0 as he runs 3 meters forward and then runs 3 meters in the opposite direction.Therefore, situation (B) best describes that the total distance a baseball player travels is zero meters from his starting point that is, the player runs 3 meters forward and then runs 3 meters in the opposite direction.
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The complete question is given below:
Which of the following describes a situation in which the total distance a baseball player travels is 0 meters from his starting point? (5 points)
a) The player runs 4 meters forward and then runs 3 meters in the opposite direction.
b) The player runs 3 meters forward and then runs 3 meters in the opposite direction.
c) The player runs 3 meters forward and then runs 4 meters in the opposite direction.
d) The player runs 3 meters forward and then runs 0 meters in the opposite direction.
consider a traingle of base 1 cm and height 1 cm.on the same base and on the same side, second traingle is drawn with half the previous height.if this process continues as many times as possible what will be the total area of all the traingles thus formed????
As n approaches infinity, the area of the triangle decreases until it equals 1, resulting in a triangle of area 1.
What is a geometric summation equation?Every term in a geometric sequence has a fixed relationship to the term before it. A popular representation of a geometric sequence containing the initial term a, the common ratio r, and a finite number of terms is a, a*r, a*r₂, ..., a*r(ₙ₋₁).
According to given value;
The area of first triangle =(1)*(1)*(1/2)=1/2
The area of second triangle =(1/2)*(1/2)
=(1/2)²
The area of third triangle =(1/2)²*(1/2)=(1/2)³
The area of [tex]n^{th}[/tex] triangle = (1/2)ⁿso the total area of all triangle is formed;=(1/2)+(1/2)²+(1/3)³+.......+(1/2)ⁿ
=(1)-(1/2ⁿ)
The formula of geometric summation equation;= a₁-(1-qⁿ)/(1-q)
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Jill's plant is 15 inches tall and grows 0.25 inches each week, Mox's plant is 18 inches fall and grows 0.25 inches each week. At this rate, will Jill's plan! ever be faller than Max's Explain
A town's population is 42,975 . About 125 people move out of the town each month. Each month, 175 people on average move into town. A nearby town has a population of 45,225. It has no one moving in and an average of 175 people moving away every month. In about how many months will the populations of the towns be equal? Write an equation to model the situation. Then solve the equation and answer the question.
The number of months when they will be equal is 45 months.
How to calculate the equation?The equation for the first town will be:
= 42975 + 125x
The equation for the second town will be:
= 45225 + 175x
The number of months when the populations of the towns will be equal will be:
42975 - 125x = 45225 - 175x
- 125x + 175x = 45225 - 42975
50x = 2250
x = 2250 / 50
x = 45
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Xochitl earned $94.80 at her job when she worked for 4 hours. What was her hourly
wage, in dollars per hour?
Answer: $23.70/hr
Step-by-step explanation:
x= hourly wage
4= the number of hours worked
$94.80=total earned
4x=$94.80
x=$94.80/4
x= $23.70/hr
She earned $23.70 per hour
Kara's Custom Tees experienced fixed costs of $800 and a variable cost of $3 per shirt. Write an equation that can be used to determine the total costs encountered by Kara's Custom Tees when x shirts are produced. Then, determine the total cost of producing 75 shirts.
The total cost of producing 75 shirts will be $1050.
It is given that Kara's Custom Tees experienced fixed costs of $800 and variable cost of $3 per shirt.
We have to find an equation and also the total cost of producing 75 shirts.
What is algebra ?
Algebra is the branch that deals with various symbols and the arithmetic operations such as addition , multiplication , etc.
As per the question ;
Fixed cost = $ 800
and
Variable cost per shirt = $3.
If x shirts are produced then ; then equation will be ;
= 800 + 3x
And total cost of 75 shirts will be ;
= 800 + 3 × 75
= 800 + 225
= $ 1050
Thus , the total cost of producing 75 shirts will be $1050.
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Do you think it would be better to use breaking apart in the distributive property or compensation to find the product of five times 328? explain why and show how to find the product.
Yes it would be better to use breaking apart in the distributive property or compensation to find the product of 5 x 328 .
what is distributive property?
This property states that multiplying the total of two or more addends by a number will produce the same outcome as multiplying each addend by the number separately and then adding or substracting the results together .like in subtraction A(B-C)= AB-AC
In other words, an equation of the type A (B+C) can be solved as A (B+C) AB+AC in accordance with the distributive property.
This characteristic also holds for subtraction.
5 x 328
= 5(300+28)
= 5 x 300 + 5 x 28
= 1500 + 140
= 1640
Hence, it would be better to use breaking apart in the distributive property or compensation to find the product of 5 x 328 .
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the ratio to the number of adults to the number of chirldren at a restaraunt is 3 to 7 whats a equavielent fraction
The equivalent fraction is: 3/7 or 6/14 or 15/35
What is an equivalent fraction?Equivalent fractions are those that, despite their visual differences, reflect the same value. You will have consumed half of a cake, for instance, if you have one, divide it into two equal pieces, and then eat one of the pieces.
Given:
Ratio of number of adults to that of children = 3:7
3 : 7 = 3/7
There can be 'n' number of equivalent fractions for this fraction, such as: 3/7, 6/14, 15/35
Hence, The equivalent fraction is: 3/7, 6/14, 15/35
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√-100=____ + _____i
Answer:
[tex]10 + 1i[/tex]
Step-by-step explanation:
[tex]i = \sqrt{-1}[/tex]
[tex]\sqrt{-100} = \sqrt{100} * \sqrt{-1}[/tex]
[tex]\sqrt{-100} = 10 + 1i[/tex]
What are the values of (-2)^4 and -2^4?
8 and -8
16 and 16
-8 and -8
16 and -16
whats the pattern of 1,1,11,6,6,16,11,11,21,16
The pattern is 1, 1, 11, 6, 6, 16, 11, 11, 21, 16, 16, 26.
Given,
The pattern: 1, 1, 11, 6, 6, 16, 11, 11, 21, 16.
Here,
First and second term:
1,1 = same number repeat for two times.
Third term:
11 = preceding term + 10
That is, 1 + 10 = 11: That is the third term.
As follows:
Fourth and fifth term:
6, 6 = same number repeat for two times.
Sixth term:
6 + 10 = 16
Seventh and eighth term:
11, 11 = same number repeat.
Ninth term:
11 + 10 = 21
Tenth term is given: 16
Now we have to find eleventh and twelth terms:
Tenth and eleventh should be same number repeat for two times:
16, 16
Twelth term:
16 + 10 = 26.
Now we can complete the pattern:
1, 1, 11, 6, 6, 16, 11, 11, 21, 16, 16, 26.
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The diameter of a cylindrical container is 22cm. If the volume of the container is 1331cm³, calculate its height.
Answer:
3.5cm
Step-by-step explanation:
Vol=πr²h
Transposing for h,=vol÷πr²
where r=22/2=11cm and taking π=3.142
h=1331/(3.142×(11)²)=3.5cm
Can please anyone help me with this
Answer:
Step-by-step explanation:
im not sure but yea
A portion of the periodic table is shown below. Which column of elements would be most likely to chemically combine with sodium in a 1:1 ratio?
Step-by-step explanation:
chlorine cl when combines with sodium na
Nacl will form so chlorine
Convert 5.764764764 ... to a rational expression in the form of a over b , where b ≠ 0
If x = 5.764764764…, then 1000x = 5764.764764764…, so that
1000x - x = 5764.764764764… - 5.764764764…
999x = 5759
x = 5759/999
y is less than -2 in inequality notation
Given statement 'y is less than -2 ' in inequality notation would be, y < -2
In this question we have been given a statement 'y is less than -2'
We need to write given statement in inequality notation.
We know that, an inequality is a mathematical expression where two non-equal mathematical expressions or numbers are compared.
We know that we use '<' notation for less than.
Consider given statement:
y is less than -2.
⇒ y < -2
Therefore, given statement 'y is less than -2 ' in inequality notation would be, y < -2
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HELPP PLEASE 70 POINTS
33/25 as a decimal rounded to the nearest tenth
Answer:1.3
Step-by-step explanation:
33/22=1.32
Round to nearest 10th
1.32=1.3
what’s the answer to this???
you have to find where it increases, decreases, and where it’s constant….
help..
28.007 x 10² = _____
28.007 x 10² = _2800.7_
[tex] \red{ {10}^{2} } = 100 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ = \red{100} \times 28.007 \: \: multiply \: the \: numbers \\ = \green {2800.7}\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:[/tex]
that's all :)
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[tex] \: \Large \mathbb{SOLUTION:}[/tex]
[tex] \: \: \text{28.007 × 10² }[/tex]
[tex] \: \: \text{Calculate the power}[/tex]
[tex] \: \: \text{28.007 × 100 }[/tex]
[tex] \: \: \text{Calculate the product or quotient}[/tex]
[tex] \: \: \text{\underline{\underline{2800.7}}}[/tex]
Convert the decimal below to a fraction in simplest form.
0.166
(166÷2)
______
(1000÷2) = 83/500
the teacher separated her class of fifty-eight students into two groups. one group has 6 more than thrice as many students as the other group. how many students are in each group?
Students in one group is 45
Students in another group is 13
teacher separated her class of fifty-eight students into two groups
Number of groups =2
one group has 6 more than thrice as many students as the other group
Let one group has x students
another group has y students
x+ y = 58 . . . . . 1
x= 6+3y
Substitute x= 6+3y in . . . 1
6+3y +y = 58
4y=52
y=13
x=6+3y=6+3(13)
= 6+39
= 45
Students in one group is 45
Students in another group is 13
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