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3 years ago

What the answer to this question

Mathematics

1 answer:

anzhelika [568]3 years ago

7 0

Answer:

d = 40 / c

Step-by-step explanation:

There are 10 flower boxes and each holds 4 kilograms of soil. This means Ann will need 40 kilograms of soil.

So the number of bags d depends on how much soil c is in each bag. The equation is 40/c = d

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Answer: 54-fluid ounces

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3 years ago

Which expression shows the increase in average temperature, t, from February to March?

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I think the answer is c

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3 years ago

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What is the domain of the function?

Mazyrski [523]

Answer: The answer is <em><u>-2</u></em>

Step-by-step explanation:

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2 years ago

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A sample size of n = 64 is drawn from a population whose standard deviation is o = 5.6.

AlekseyPX

Answer:

The margin of error for a 99% confidence interval for the population mean is 1.8025.

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:

$\alpha = \frac{1-0.99}{2} = 0.005$

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 $1-0.005 = 0.995$ , so $z = 2.575$

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.

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$\sigma = 5.6$

$M = 2.575*\frac{5.6}{\sqrt{64}} = 1.8025$

The margin of error for a 99% confidence interval for the population mean is 1.8025.

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2 years ago

What is the answer to (5x3)-18

Fittoniya [83]

Answer:

-3

Step-by-step explanation:

5*3=15

15-18= -3

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