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jenyasd209 [6]
3 years ago
11

Lucy collects data from a random sample of seventh-graders. Out of 40 respondents, 7 attend afterschool programs. Of the 200 sev

enth-graders attending Lucy’s school, how many would be expected to attend afterschool programs?
PLEASE HELP ASAP
WILL GIVE BRANLIEST :)
Mathematics
1 answer:
harkovskaia [24]3 years ago
7 0

Answer:

7

Step-by-step explanation:

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Right answer gets brainlyest
lyudmila [28]

Answer:

\frac{2}{3} (x+6)

Step-by-step explanation:

\frac{2}{3} x+4= \frac{2}{3} (x+4÷\frac{2}{3})

\frac{2}{3}x+4 = \frac{2}{3} (x+4×\frac{3}{2})

\frac{2}{3}x+4 = \frac{2}{3} (x+\frac{12}{2})

\frac{2}{3}x+4 = \frac{2}{3} (x+6)

3 0
2 years ago
Sara is getting ready for work. She has black pants, blue pants, grey pants, a red shirt, a green shirt, a white shirt, a blue s
Nady [450]

Answer:

3 pants

3 shirts

2 sweaters

just multiply 3x3x2= 18 combinations

7 0
2 years ago
A sphere is inscribed in a cylinder. Use complete sentences and geometric formulas to compare the surface area of the sphere and
Papessa [141]

Answer:

1 : 1

Step-by-step explanation:

When a circle is inscribed in a cylinder, the height of the cylinder is equal to the diameter of the sphere and the radius of the cylinder is same as that of the sphere.

Let the radius of sphere is r.

height of cylinder, h = 2r

radius of cylinder = r

Surface area of sphere, A = 4πr²

lateral surface area of cylinder, A' = 2 πrh

A' = 2πr x 2r = 4πr²

The ratio of surface area of sphere to the lateral surface area of cylinder is 1 : 1.

5 0
3 years ago
You have an ant farm with 27 ants. The population of ants in your farm will double every 3 months. The table shows the populatio
disa [49]

Answer:

It represents a linear function and there will be 216 ants after 1 year

8 0
2 years ago
WILL MARK BRAINLIEST!!!!!!!!
SVETLANKA909090 [29]

Data:

15 16 14 15 19 17

n=6 points

sum is 96

mean is 96/6 = 16

Now we look at the absolute deviations, each of which is the absolute value of a score minus the mean, basically the distance of the score to the mean .

Scores   15 16 14 15 19 17

AbsDev    1  0  2  1    3  1

The sum of the absolute deviations is 8 and there are six of them so the

Mean Absolute Deviation = 8/6 = 4/3

Answer: 2.    8/6

7 0
3 years ago
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