2 years ago

How do you find the volume of composite solid formed by two or more prisms?

Mathematics

1 answer:

prisoha [69]2 years ago

4 0

You multiply the width, length, height together

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earnstyle [38]

Answer:

$9\div 10$

Step-by-step explanation:

$5\div 8$

to get cinnamon qty in the spice we do $5\div 6\div 3\div 4$

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How much greater will Jennifer’s January finance charge be if the finance charge is calculated using the previous balance method

victus00 [196]

The answer to this is C

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Will give brainliest Question on the picture

raketka [301]

Answer:

Step-by-step explanation:

since i helped can i have brainlist please :D

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2 years ago

A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time student

Butoxors [25]

Answer: $(21.541,\ 23.059)$

Step-by-step explanation:

The confidence interval for population mean is given by :-

$\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$

Given : Sample size : $n=240$ , which is a large sample , so we apply z-test .

Sample mean : $\overline{x}=22.3$

Standard deviation : $\sigma= 6$

Significance level : $\alpha=1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.960$

Now, a confidence interval at the 95% level of confidence will be :-

$22.3\pm(1.960)\dfrac{6}{\sqrt{240}}\\\\\approx22.3\pm0.759\\\\=(22.3-0.759,\ 22.3+0.759)\\\\=(21.541,\ 23.059)$

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3 years ago

The area is no more than 40 square feet. Write and solve an inequality that represents the value of x

Anna35 [415]

Answer:

well its a triangle so

40 divide by 20 is 2

but you have to mutiply that 2 by 2

Step-by-step explanation:

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