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3 years ago

Algebra 1 pleaseeeeeeee help me

Mathematics

1 answer:

bulgar [2K]3 years ago

5 0

I would guess c because it’s passed both the x and y axis

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Solve -Q=1/2p+15,for p

alukav5142 [94]

P=-2Q-30 is the answer

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3 years ago

Read 2 more answers

xxTIMURxx [149]

Answer:

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Step-by-step explanation:

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3 years ago

A publisher reports that 45% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is

nexus9112 [7]

Answer:

$z=\frac{0.40 -0.45}{\sqrt{\frac{0.45(1-0.45)}{370}}}=-1.933$

$p_v =2*P(z$

Step-by-step explanation:

Information given

n=370 represent the sample selected

$\hat p=0.4$ estimated proportion of readers owned a laptop

$p_o=0.45$ is the value that we want to test

z would represent the statistic

$p_v$ represent the p value

Creating the hypothesis

We need to conduct a hypothesis in order to test if the true proportion of readers owned a laptop is different from 0.45, the system of hypothesis are:

Null hypothesis: $p=0.45$

Alternative hypothesis: $p \neq 0.45$

The statistic is:

$z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}}$ (1)

Replacing we got:

$z=\frac{0.40 -0.45}{\sqrt{\frac{0.45(1-0.45)}{370}}}=-1.933$

Calculating the p value

We have a bilateral test so then the p value would be:

$p_v =2*P(z$

8 0

3 years ago

Pleeeeeeeeeaaase help

Zinaida [17]

The correct answer is 110 degrees

The value of X is 115
If we substitute X, then the “equation” would be (115)-5=110 degrees :))))

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3 years ago

Nine more than the quotient of b and 4

erma4kov [3.2K]

Answer:

b/4+9

Step-by-step explanation:

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3 years ago