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guapka [62]
4 years ago
12

A survey of one class at Pioneer Middle School found that 20 out of 30 students would spend $12 for a school t-shirt Suppose the

re are 600 students in the school how many students do you predict would spend $12 for a school t-shirt
Mathematics
2 answers:
olchik [2.2K]4 years ago
7 0

Answer:

The answer is 400

Step-by-step explanation:


Virty [35]4 years ago
4 0
\frac{20}{30} = \frac{x}{600}
600/30=20.
20*20=400.
Your answer is 400.
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What is the mean of the following numbers: 5, 7, 4, 4, 5, 4, 6?
jeka57 [31]

Answer:

5

Step-by-step explanation:

5+7+4+4+5+4+6 = 35

35 / 7 = 5

8 0
3 years ago
Read 2 more answers
If y varies directly as x and k = 8, find x when y = 8<br><br> 1. 1<br> 2. 8<br> 3. 64
aksik [14]

y = kx so x = y/k

if y = 8 and k = 8 then

x = 8/8 = 1

answer

1. 1

8 0
3 years ago
Jovie is maintaining a camp fire. She has kept the fire steadily burning for 10 hours with 15 logs. She wants to know how many h
tester [92]

Answer:

6 hours

Step-by-step explanation:

We can use ratios to solve

10 hours           x hours

-------------- = -------------

15 logs            9 logs

Using cross products

90 = 15x

Divide by 15

90/15 = 15x/15

6 = x

6 hours

7 0
3 years ago
Read 2 more answers
Choose the simplified form of  the fifth term of 6C4(2x)2(-y2)4.​
Katarina [22]

You didn't give us the choices.   It doesn't matter.  I think you're trying to write

\displaystyle {6 \choose 4} (2x)^2 (-y^2)^4

= \dfrac{6!}{4! 2!} ( 4x^2 y^8)

= \dfrac{6(5)}{2} ( 4x^2 y^8)

=60x^2 y^8

Answer: 60 x² y⁸

4 0
3 years ago
5x - x + 12 +2x - 7 = 10
Degger [83]
Combine like terms. Like terms are completely the same excluding coefficients.
6x+5=10

Subtract 5 from both sides
6x=5

Divide bith sides by 6
x=5/6

Final answer: B
4 0
3 years ago
Read 2 more answers
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