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wel
3 years ago
5

Brenda surveyed 60 out of 500 students to find out how many walked to school She found that 12 students in her sample walked to

school. What was Brenda's prediction for the total number of students who walked to school?
Mathematics
1 answer:
MakcuM [25]3 years ago
5 0

Answer:

100 students

Step-by-step explanation:

1. Create a proportion

\frac{60}{500} =\frac{12}{x}

2. Cross-multiply

500×12 = 60x

3. Simplify

6000 = 60x

4. Divide

100 = x

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ExtremeBDS [4]

Answer:

12.5%

Step-by-step explanation:

320 divided by 40 = 8

100 divided by 8 = 12.5

100% is 320 dollars, which means that 40 dollars is 1/8 of 320. And 1/8 of 100 is 12.5%

8 0
3 years ago
Which two activities are examples of data collecting?
slega [8]

Answer:

C and D.

Step-by-step explanation:

In option C, they are collecting data about the lengths of fish in a pond.

In option D, they are collecting data about people's favorite show.

Hope this helps!

If not, I am sorry.

7 0
2 years ago
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grin007 [14]
The surface area would be subtracted by 1/2
4 0
2 years ago
What is an equation of a line in standard form which has a slope of 1/2 and passes through the point (5,6)?
sertanlavr [38]
Y-6=1/2(x-5) in slope intercept form

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x - 2y = -7 standard form
4 0
3 years ago
Solve: 16x2 - 80 = 0<br> Round the answer to the nearest hundredth.
GenaCL600 [577]

Answer:

-48

Step-by-step explanation:

16 x 2 = 32

32 - 80 = -48

5 0
3 years ago
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