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levacccp [35]
2 years ago
12

If a sample of 40 cars is selected, estimate the number of cars traveling faster than 70 mph.

Mathematics
2 answers:
dimulka [17.4K]2 years ago
6 0

Answer:

Im pretty sure is is 20 or something like that

Step-by-step explanation:

Umnica [9.8K]2 years ago
5 0

Answer:

20ish

Step-by-step explanation:

I would need more info abt the question to answer it more exactly

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During a recent election, 42 of every 100 registered voters in a certain city voted. If there were 158 , 200 registered voters i
Ivanshal [37]
Seeing as there are 1582 sets of 100 people (158200 ÷ 100) multiplying 42 by 1582 should get you the answer. 1582 × 42 = 66444. 66444 people voted in that city.
3 0
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The equation y = 1.9 x can be used to determine the total weight in pounds, y, of the number of paperback books in the first pri
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Step-by-step explanation:

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3 years ago
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Melanie makes $3.00 less per hour babysitting than her best friend, Carita. If the combined hourly rate of Melanie and Carita is
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Answer:

B 6.00

Step-by-step explanation:

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3 0
3 years ago
A 6 inch personal pizza has 640 calories, with 240 of those from fat. A 12 inch pizza is cutinto 8 slices. Estimate the number o
MissTica

Given:

Number calories in a 6-inch pizza = 640 calories

For the pizza of 6 inch

A=\pi(3)^2=9\pi

For the pizza of 12 inch

A=\pi(6)^2=36\pi

Number calories in a 6-inch pizza = 640 calories, therefore:

\frac{A_{6\text{ inch}}}{A_{12\text{ inch}}}=\frac{640}{x}

Substitute:

\begin{gathered} \frac{9\pi}{36\pi}=\frac{640}{x} \\ Simplify \\ \frac{1}{4}=\frac{640}{x} \end{gathered}

And solve for x:

\begin{gathered} 1\cdot x=4\cdot640 \\ x=2560 \end{gathered}

Now, Estimate the number of calories in one slice of a 12 inch pizza:

\frac{2560}{8}=320

Answer: 320 calories

4 0
1 year ago
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Bess [88]

Answer:

x=3

Step-by-step explanation:

4 0
3 years ago
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