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3 years ago

3/4×3/8×2/3 Do i simplify or no

Mathematics

2 answers:

kaheart [24]3 years ago

5 0

Yes simplify because the bottom is the same

kirill [66]3 years ago

5 0

Answer:

Is the question asking you to simplify? If you are unsure if it is asking you to simply then just simply it anyways :)

Step-by-step explanation:

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A real number associated with any square matrix A, denoted by det A or /A/, what is it called?

Sholpan [36]

It is called a determinant

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3 years ago

16 is 40% of what number

ollegr [7]

If you are using a calculator, simply enter 16×100÷40, which will give you the answer.

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3 years ago

Luis has 3 pounds of ground turkey to make turkey burgers. He uses 3/8 pound per burger to make 6 burgers. How many 1/4 pound bu

nevsk [136]

Answer:

He can make 3 quarter pound burgers

Step-by-step explanation:

3/8 x 6 is 2 1/4

so there is 3/4 left

7 0

2 years ago

Read 2 more answers

A political candidate has asked his/her assistant to conduct a poll to determine the percentage of people in the community that

zavuch27 [327]

Answer:

The desired sample size is 97.

Step-by-step explanation:

Assume that 50% people in the community that supports the political candidate.

It is provided that the candidate wants a 10% margin of error (MOE) at a 95% confidence level.

The confidence interval for the population proportion is:

$CI=\hat p\pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}$

Then the margin of error is:

$MOE= z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}$

Compute the critical value of <em>z</em> as follows:

$z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96$

*Use a <em>z</em>-table.

Compute the sample size as follows:

$MOE= z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}$

$n=[\frac{z_{\alpha/2}\times \sqrt{\hat p(1-\hat p)} }{MOE}]^{2}$

$=[\frac{1.96\times \sqrt{0.50(1-0.50)} }{0.10}^{2}\\\\=[9.8]^{2}\\\\=96.04\\\\\approx 97$

Thus, the desired sample size is 97.

4 0

3 years ago

Can someone help with this

SIZIF [17.4K]

Answer:

Step-by-step explanation:

8 0

3 years ago