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a_sh-v [17]
3 years ago
13

Someone please help me!!

Mathematics
1 answer:
melamori03 [73]3 years ago
6 0

Answer:

All of these questions, I did on paper. Gimme a sec while I upload them

Step-by-step explanation:

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3 to the 2 power plus (9-5)
QveST [7]

Answer:

{3}^{2}  + (9 - 5) \\  = 9 + 4 \\  = 13

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2 years ago
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Caroline wants to make cookies to bring to a party. she will need to double the recipe to have enough. how much of each ingredia
anygoal [31]

Answer:

1 1/2 cups of peanut butter

1 cup of vegetable shortening

2 1/2 cups grimly packed light brown sugar

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Step-by-step explanation:

You just double everything by 2

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2 years ago
What is the circumstance of the trampoline including its outer edge? Use 3.14 for pie
Lubov Fominskaja [6]

Answer:

c = 43.96

Step-by-step explanation:

First you have to find the diameter of the trampoline which would be 14

Next plug it into the circumference formula c = dπ

c = (14)(3.14)

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7 0
3 years ago
/viewform?hr submission=Chclk4feKBIQ.
Gennadij [26K]

Answer:

c) .22

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.025 = 0.975, so z = 1.96

Now, find the margin of error M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

In this question:

\sigma = 2.5, n = 500

Then

M = z*\frac{\sigma}{\sqrt{n}}

M = 1.96*\frac{2.5}{\sqrt{500}}

M = 0.22

5 0
3 years ago
Simplify -2a(7a^5-5a+5)
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2 years ago
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