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4 years ago

Can someone please do this ill mark brainliest

Mathematics

1 answer:

Svet_ta [14]4 years ago

8 0

Answer:

-60 im pretty sure this is it

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What is a ratio? thanks

Step2247 [10]

It’s an expression that compares two or more numbers. Ex; 3:10.

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3 years ago

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a senator wishes to estimate the proportion of united states voters who favor new road construction. what size sample should be

Nitella [24]

The size of the sample should be obtained at 2401 in order to be 95% confident

Given that:

Margi of error, $ME=0.02$

Population proportion, $p=0.50$

To Find: The size of the sample that should be obtained in order to be 95% confident

Let the size of the sample be n

Using formula,

$n=(p*(1-p))*(z(0.05/2)/ME)^{2} \\n=(0.5*(1-0.5))*(1.96/0.02)^{2} \\n=0.25*9604\\n=2401$

Therefore, the size of the sample should be obtained at 2401 in order to be 95% confident

Learn more about Population proportion here brainly.com/question/15703406

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8 0

2 years ago

Please help!! Thank you if you do!!

expeople1 [14]

I think it is BD but I’m not 100% sure

6 0

3 years ago

Which system of equations represents the matrix shown below?

svetlana [45]

Answer:

Step-by-step explanation:

just compare the augmented matrix to the possible answers and you will see it the option D

4 0

3 years ago

Jonathan is making his favorite pasta dish. He serves his mom 1/12 of the pot of pasta and his brother 1/6 of the pot. How much

Sauron [17]

Answer:

3/4 of the pot left.

Step-by-step explanation:

If the mom eats a 1/12 of the pot and then the brother also eats a 1/6 of the pot, then it is 9/12 left of pasta still. The reason for that is since 1/6 is equivalent to 2/12 so 1/12 plus 2/12 is 3/12, and if u subtract 3/12 from 12/12 it will give you 9/12 which can be simplified to 3/4 left of the pot.

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3 years ago

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