3 years ago

Could anyone PLEASE explain how to do 56?

Mathematics

1 answer:

egoroff_w [7]3 years ago

8 0

Can i get brainliest if my answer is true hehehehe :p

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James, Gilbert, Matthew, and Simon ran in a relay race.

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Answer

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Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms.

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-2z^2+5z-5; Quadratic trinomial, 3 terms

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3 years ago

Solve<br> 2x -y =4<br> 5x -2.5y =10

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2x-y=4

Therefore: y=2x-4

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5x-10/4(2x-4)=10

5x-5/2(2x-4)=10

5x-5x+10=10

10=10

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*Problem can't be solved.

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3 years ago

The mean number of hours of part-time work per week for a sample of 526526 college students is 2828. If the margin of error for

sveta [45]

Answer:

The 99% confidence interval for the mean number of hours of part-time work per week for all college students is between 25.8 and 30.2.

Step-by-step explanation:

A confidence interval has the following format.

$\mu_{x} \pm M$

In which $\mu_{x}$ is the mean of the sample and M is the margin of error.

In this problem, we have that:

$\mu_{x} = 28, M = 2.2$

$\mu_{x} - M = 28 - 2.2 = 25.8$

$\mu_{x} + M = 28 + 2.2 = 30.2$

The 99% confidence interval for the mean number of hours of part-time work per week for all college students is between 25.8 and 30.2.

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3 years ago

I need an answer for this

RUDIKE [14]

Answer:

Step-by-step explanation:

18+12+9

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