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Arte-miy333 [17]
3 years ago
8

Which of the right rectangular boxes shown has the greater volume? A. The purple box. B. The green box. C. They have equal volum

es. D. There is not enough information to tell.
Mathematics
2 answers:
trasher [3.6K]3 years ago
6 0

Answer:

C is wrong and a is wrong

I think it was D last time i checked

Step-by-step explanation:

Elden [556K]3 years ago
4 0
B the green box , because umm i don’t see a picture i’m going off of my mind because i did that before i’m pretty sure .
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wutz da optionz????????

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3 years ago
Acellus
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57 cm²

Step-by-step explanation:

Surface area of the yellow prism = front + back + right + left + top

✔️Area of the front = L * W

L = 4 cm

W = 3 cm

Area of the front = 4*3 = 12 cm²

✔️Area of the back = L * W

L = 4 cm

W = 3 cm

Area of the back = 4*3 = 12 cm²

✔️Area of the right face = L * W

L = 4 cm

W = 3 cm

Area of the right face = 4*3 = 12 cm²

✔️Area of the left face = L * W

L = 4 cm

W = 3 cm

Area of the left face = 4*3 = 12 cm²

✔️Area of the top = L * W

L = 3 cm

W = 3 cm

Area of the top = 3*3 = 9 cm²

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3 years ago
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A toy manufacturer wants to know how many new toys children buy each year. A sample of 305 children was taken to study their pur
Harrizon [31]

Answer:

The 80% confidence interval for the mean number of toys purchased each year is between 7.5 and 7.7 toys.

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 - 0.8}{2} = 0.1

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

That is z with a pvalue of 1 - 0.1 = 0.9, so Z = 1.28.

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.

M = 1.28\frac{1.5}{\sqrt{305}} = 0.1

The lower end of the interval is the sample mean subtracted by M. So it is 7.6 - 0.1 = 7.5

The upper end of the interval is the sample mean added to M. So it is 7.6 + 0.1 = 7.7

The 80% confidence interval for the mean number of toys purchased each year is between 7.5 and 7.7 toys.

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3 years ago
HELLLLPPPP!!!! PLEASSSSEEEE! 50 POINTS!
Vera_Pavlovna [14]

Step-by-step explanation:

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>here's</em><em> your</em><em> solution</em>

<em> </em><em>=</em><em>></em><em> </em><em>in </em><em>first </em><em>figure</em><em> </em><em>,</em><em> </em><em>base </em><em>=</em><em> </em><em>5</em><em>.</em><em>5</em><em>,</em><em> </em><em>perpendicular</em><em> </em><em>=</em><em>7</em><em>.</em><em>8</em>

<em>=</em><em>></em><em> </em><em>h^</em><em>2</em><em> </em><em>=</em><em> </em><em>5</em><em>.</em><em>5</em><em>^</em><em>2</em><em> </em><em>+</em><em> </em><em>7</em><em>.</em><em>8</em><em>^</em><em>2</em>

<em>=</em><em>></em><em> </em><em>h^</em><em>2</em><em> </em><em>=</em><em> </em><em>3</em><em>0</em><em>.</em><em>2</em><em>5</em><em> </em><em>+</em><em> </em><em>6</em><em>0</em><em>.</em><em>8</em><em>4</em><em> </em>

<em>=</em><em>></em><em>h^</em><em>2</em><em> </em><em>=</em><em> </em><em>9</em><em>1</em><em>.</em><em>0</em><em>9</em>

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<em>=</em><em>></em><em> </em><em>h </em><em>=</em><em> </em><em>9</em><em>.</em><em>5</em>

<em> </em><em> </em><em>Both </em><em>figure</em><em> </em><em>are </em><em>congruent</em>

<em>enc </em><em>we </em><em>will </em><em>get </em><em>a </em><em>rectangle</em><em> </em><em>by </em><em>add </em><em>both </em>

<em>hope</em><em> it</em><em> helps</em>

3 0
3 years ago
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