3 years ago

There are 48 people in gym class. what fraction represents the number of people running?

Mathematics

1 answer:

DaniilM [7]3 years ago

5 0

Step-by-step explanation:

c bc I know I took this last year

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What would be the answer if this question? Solve: 8x/3x=16

Ulleksa [173]

Answer:

8(60)/3(10) = 16 This is correct hope it helps

Step-by-step explanation:

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3 years ago

Which table represents the same relation as the set StartSet (negative 6, 4), (negative 4, 0), (negative 3, 2), (negative 1, 2)

g100num [7]

Negative 4,0 because I know it

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3 years ago

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Will give brainliest

posledela

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2 years ago

A marketing firm is asked to estimate the percent of existing customers who would purchase a "digital upgrade" to their basic ca

Ugo [173]

Answer: A. 664

Step-by-step explanation:

Given : A marketing firm is asked to estimate the percent of existing customers who would purchase a "digital upgrade" to their basic cable TV service.

But there is no information regarding the population proportion is mentioned.

Formula to find the samples size , if the prior estimate to the population proportion is unknown :

$n=0.25(\dfrac{z*}{E})^2$

, where E = Margin of error.

z* = Two -tailed critical z-value

We know that critical value for 99% confidence interval = $z*=2.576$ [By z-table]

Margin of error = 0.05

Then, the minimum sample size would become :

$n=0.25(\dfrac{2.576}{0.05})^2$

Simplify,

$n=0.25\times2654.3104=663.5776\approx664$

Thus, the required sample size= 664

Hence, the correct answer is A. 664.

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4 years ago

Describe how you regroup When you find the sum of 64+43

lions [1.4K]

64 + 43 = 107
107 - 43 = 64
107 - 64 = 43

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4 years ago

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