Question 6
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Match the name of the sampling method descriptions given.
Situations
pulling 50 names from a hat
MI divide the population by age and select 5 people from each age
Vask all the students in your math class
Mi call every 15th phone number on every 5th page of the phone book
Sampling Method
a. Stratified
b. Systematic
c. Simple Random
d. Convenience

Answers

Answer 1

Answer:

C.

Step-by-step explanation

shes pulling RANDOM names. key word random, hope this helped


Related Questions

2. Find the missing side length
of the right triangle below

Answers

Answer:

pretty sure that would be 15

Step-by-step explanation:

A triangle has an area of 54m2 and a height of 9 m. How long is the base of the triangle? Enter you answer in the box.

Answers

Answer:

6 m

Step-by-step explanation:

Base = Area/height = 54/9 = 6m

Simplify.

−6x+86−32x−12+52x

Enter your answer in the box.

Do not use decimals in your answer.

Answers

Answer: 14x+74

Step-by-step explanation:

-6x+86-32x-12+52x=14x+74

-6x+86-32x-12+52x

=-6x-32x+52x+86-12

=14x+86-12

=14x+74

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

The final expression after simplifying is 14x + 74.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example:

2 + 3x + 4y = 7 is an expression.

3x + 4 = 3 is an expression.

3 + 4x - 5 is an expression.

We have,

-6x + 86 - 32x - 12 + 52x

Add like terms.

-6x - 32x + 52x = 14x

Now,

14x + 86 - 12

14x + 74

Thus,

The final expression after simplifying is 14x + 74.

Learn more about expressions here:

https://brainly.com/question/3118662

#SPJ2

0/0=? *please answer*

Answers

Answer:

0000000000000000000

Step-by-step explanation:

the equation equals any number so you could use a variable

so the answer unsimplified is infinity

PLEASEEE HURRY I WILL GIVE BRAINLEST ITS JUST ONE QUESTION

This is literally my last try and if I get this wrong I fail PLEASE answer it correctly that’s all I ask.

(I just need the last question. The multiple choice answers are ‘4,5,6,7,8,9’ I am allowed to choose more than one if needed)

Below is the graph of a polynomial function F with real coefficients. Use the graph to answer the following questions about F. All local extrema of F are shown in the graph.

Answers

Answer:

A. The first one is a check the second one is a check the third one is a check  and the 6th one is a check.

B. I think it is -5. 3, 8

C. should be negative  

D. I think im sure but i dont want to give you the wrong answer

Step-by-step explanation:

Good luck on your test!

Help me please guys .
What is the answer?


4.3

4.2

4.1

4.4

Answers

Cosine = adjacent/ hypotenuse
cos(53) = x/7
7 * cos(53) = x
x = 4.2

Sine = opposite / hypotenuse
sin(53) = y/7
7 * sin(53) = y
y = 3.2

A family eats at a restaurant. The bill is $42. The family leaves a tip and spends $49.77.



How much was the tip in dollars?



Round your answer to the nearest hundredth (second) decimal place.

Answers

The tip was $7.77

I hope this helped! please mark brainliest and vote 5 stars >:)

Answer:about 8 dollars

Step-by-step explanation:

1. 72% of the students in Math 6 at AZVA are currently mastering their lessons. If 306 students are currently mastering their math lessons, how many students are in Math 6?

Answers

Answer:

i need help to yall help usssssssssssssssssssss pls

Step-by-step explanation:

Answer:

306/x = 72/100

72x= 306 x 100

72x = 30600

X = 425

Step-by-step explanation:

Ariel spent a total of $3.42 buying dried apricots from the bulk bins, which were on sale for $2.85 per pound. To the nearest tenth of a pound, how many pounds of dried apricots did Ariel buy?

Answers

Answer:

1.2

Step-by-step explanation:

Just do 3.42/2.85 and u get 1.2 pounds.

Answer:

1.2 lbs

Step-by-step explanation:

3.42 (amount spent)/2.85(amount per pound)

Pls help I’ll brainlest for the right answer

Answers

Answer: 101 2/3

Step-by-step explanation:

Need help with this please having a hard time with it

Answers

Answer:

6.28 m^2  

Step-by-step explanation:

4^2 x Pi=area of full circle

45 degree segment =1/8 of a full circle

16x3.14159=50.27 m^2                  area of full circle

50.27/8=6.28 m^2             area of 1/8 circle

Answer:

90 square meters

Step-by-step explanation:

Formula for sector area--- SECTOR AREA=r^2 a/2

*Multiply the central angle by the radius squared- 45×4=180squred meter

*then, Divide by 2- 180÷2=90

Whoever can answer this with work gets branliest

Answers

Those look hard

But maybe someone can help

1,2,3,5
_ _ _ _
6,7,4,8
Which of the following is NOT the numerator
of a fraction listed above?
(A) 2
(B) 3
(C) 4
(D) 5

Answers

4 is not a numerator up there I believeee
I think it’s 4. Don’t mind me I’m just trying to get 30 words

help me fast pls!!!

A model of the ocean floor takes up 2/5 of the space in an aquarium. If 3/8 of the model is coral, what fraction of the space in an aquarium is taken up by coral?

Answers

Answer:

The fraction of space taken by coral is 3/20 in the aquarium.

Step-by-step explanation:

The fraction of space taken by coral is C=3/8of2/5 in the aquarium.

•C=3/8.2/5=6/40=3/20

The fraction of space taken by coral is 3/20 in the aquarium.

I hope it's helpful!

At the beginning of spring, Arun planted a small sunflower in his backyard. When it
was first planted, the sunflower was 15 inches tall. The sunflower then began to grow
at a rate of 1.5 inches per week. How tall would the sunflower be after 3 weeks? How
tall would the sunflower be after w weeks?
Height after 3 weeks:
Height after w weeks:
Submit Answer

Answers

Answer:

height After 3 weeks: 19.5

Step-by-step explanation:

I dont know answer to second

A= 5 1/3
L=3 5/9
what is the width of the rectangle

Answers

Answer:

1 1/2

Step-by-step explanation:

5 1/3÷3 5/9=

16/3÷32/9=

16/3×9/32=

144/96=

1 1/2

The deminsions of a rectangler prism are 5cm, 6cm, and Xcm. Its surface area is 148 cm2. Find the other deminsion.​

Answers

Answer:

The other dimension is x=4 cm

Step-by-step explanation:

Surface Area of a Rectangular Prism

Given a rectangular prism of dimension x, y, and z. Its surface area is calculated with the formula:

A = 2(xy + yz + xz)

We are given the dimensions y=5 cm and z=6 cm. We also have A=148 cm2. Substituting:

148 = 2(x*5 + 5*6 + x*6)

Dividing by 2:

74 = x*5 + 5*6 + x*6

Operating:

74 = 5x + 30 + 6x

Simplifying:

74 = 11x + 30

Subtracting 30:

44 = 11x

Dividing by 11:

x = 4 cm

The other dimension is x=4 cm

The temperature in New York was -14°F in the morning.If the temperature dropped 7°F what is the temperature now?

Answers

-21 degrees fahrenheit

what is 4 times as much as 20.075? show work

Answers

Answer:

80.3

Step-by-step explanation:

20.075 x 4 = 80.3

Hope that helps!

The lengths of the sides of a right triangle are 10 in., 24 in., and 26 in. What is the area of the triangle?

Answers

Answer:

[tex]Solution,\\Let~a=10in.,~b=24in.~and~c=26in.\\Semiperimeter(s) = \frac{a+b+c}{2}= \frac{10+24+26}{2} = 30in.\\Now,\\Area~of~triangle = \sqrt{s(s-a)(s-b)(s-c)} \\~~~~~~~~~~~~~~~~~~~~~~~~=\sqrt{30(30-10)(30-24)(30-26)} \\~~~~~~~~~~~~~~~~~~~~~~~~=\sqrt{30(20)(6)(4)} = \sqrt{14400}=120sq.inches[/tex]

PLEASE HELP I WILL MARK BRAINLY IF THE ANSWER IS CORRECT

Answers

Answer:

I think it is B.

Step-by-step explanation:

Hope this helps.

I’m pretty sure it’s b

What is the value of b?
25-15
3b +25

Answers

Answer:

B=34

Step-by-step explanation:

2b-15+3b+25=180

5b+10=180

5b=170

b=34

Bulky Store also sells ground beef.



10 patties for $4.99



What is the cost of 30 hamburgers rounded to the nearest cent?

Answers

$15 dollars for 30 hamburgers. Hope this helps!

Answer:

60$

Step-by-step explanation: 10/5=2

2*30= 60

*rounded*

Consider 4 flips of an unfair coin where probability of heads is 0.40. Consider all tosses independent of each other. (a) Compare the probability of 4 heads in 4 tosses and 4 tails in 4 tosses. (b) Determine the probability of H T H T in 4 tosses. (c) Determine the number of outcomes that give us 2 heads in 4 tosses in any order. What is the probability of 2 heads in 4 tosses (use (b) and the number of outcomes)

Answers

Answer:

a) 0.0256 = 2.56% probability of 4 heads.

0.1296 = 12.96% probability of 4 tails.

b) The probability is 0.0576 = 5.76%.

c) 6 outcomes given 2 heads in 4 tosses. 0.3456 = 34.56% probability of 2 heads in 4 tosses

Step-by-step explanation:

For each throw, we have these following probabilities:

0.4 = 40% probability of heads.

0.6 = 60% probability of tails.

(a) Compare the probability of 4 heads in 4 tosses and 4 tails in 4 tosses.

4 heads:

4 throws, each with 0.4 probability of heads. So

[tex](0.4)^4 = 0.0256[/tex]

0.0256 = 2.56% probability of 4 heads.

4 tails:

4 throws, each with 0.6 probability of tails. So

[tex](0.6)^4 = 0.1296[/tex]

0.1296 = 12.96% probability of 4 tails.

(b) Determine the probability of H T H T in 4 tosses.

H = 0.4, T = 0.6. So

[tex]p = 0.4*0.6*0.4*0.6 = 0.0576[/tex]

The probability is 0.0576 = 5.76%.

(c) Determine the number of outcomes that give us 2 heads in 4 tosses in any order. What is the probability of 2 heads in 4 tosses (use (b) and the number of outcomes)

Number of outcomes:

The possible outcomes are:

H - H - T - T

H - T - H - T

H - T - T - H

T - H - H - T

T - H - T - H

T - T - H - H

6 outcomes given 2 heads in 4 tosses.

Each with probability 0.0576, as found in b)

6*0.0576 = 0.3456

0.3456 = 34.56% probability of 2 heads in 4 tosses

On the next play, the team gained 5 yards and then
lost 6 yards. What is the total change in yards?

Answers

Answer:

-1 yards

Step-by-step explanation:

5 - 6 = 1

5 yards gained - 6 yards lost = -1 change in yards

-1 yard I hope that helps lol

please help me find slope

Answers

Answer:

the slope is 3 because y2-y1/x2-x1 is equal to your slope.

5-2 is 3 and 2-1 is 1, 3/1 is equal to 3.

Step-by-step explanation:

Answer:

The answer is 3

Step-by-step explanation:

Have a great Thursday!

:)

Which equation in point-slope form describes the line that passes through the point (4,-5) and is perpendicular to
the line represented by - 7x + 2y = 14?

Answers

Answer:

y = -2/7x - 27/7

Step-by-step explanation:

first find the slope of the line -7x + 2y = 14 by solving for 'y'

2y = 7x + 14

y = 7/2x + 7

since the slope is 7/2 then the line that is perpendicular will need the opposite and reciprocal of 7/2 which is -2/7

knowing the slope ('m') and having the point (4, -5) we can find the y-intercept of the new line ('b')

y = mx + b

-5 = (-2/7)(4) + b

-5 = -8/7 + b

[change -5 into -35/7]

-35/7 + 8/7 = b

b = -27/7

put 'm' and 'b' into y = mx + b

y = -2/7x - 27/7

find the volume of a cylinder with radius 3cm and height 7cm​

Answers

Answer:

Step-by-step explanation:

[tex]V=h\pi r^2\\ \\ h=7\ and\ r=3\\ \\ V=8(3^2)\pi\\ \\ V=72\pi cm^3\\ \\ V\approx 226.2cm^3[/tex]

Look at the street map. What street is parallel to Red Road? A. Union Street B. Green Street C. Blue Street D. Polk Street
i have 3 mins PLZ HELLPPPP

Answers

I'm pretty sure it would be

B) Green Street

Since Red Road appears to be vertical.

Evaluate the expression below for n = 3.7.

12.8 + 6(n - 0.5)

Answers

Answer:

30n+49/5

Step-by-step explanation:

Answer:

12.8+6(n-0.5)

Putting the value of n into the equation

12.8+6(3.7-0.5)

12.8+6(3.2)

12.8+19.2

32.0

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