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Jet001 [13]
4 years ago
11

Complete the following for a rectangular prism

Mathematics
2 answers:
Ber [7]4 years ago
8 0

Answer:

Width : 8cm

Surface Area : 272cm^2

Step-by-step explanation:

Let's consider the formula for the volume of a rectangular prism.

V=whl

Plug the values we know into the equation.

192=w*2*12 \\ \\ 192=24w \\ \\ w=8

So the width is 8cm.

Now let's consider the formula for the surface area of a rectangular prism.

A=2(wl+hl+hw)

Plug in the values we know into the equation.

A=2(16+24+96) \\ \\ A=2*136 \\ \\ A=272

So the surface area is 272cm^2.

denis-greek [22]4 years ago
6 0

Width= 8 cm

Because 192 / 2 = 96 / 12 = 8

SA= (perimeter * height) + 2 (length * width)

SA= (20*12)+2(2*8)

SA= 240+32

SA= 272 cm2

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A box has a total surface area of $100.$ The length of the box is equal to twice its width, as well as equal to $3$ less than it
CaHeK987 [17]

Answer:

Formula:  width x depth x height

Step-by-step explanation:

times 100 and 3. As we know that the formula for a box is  width x depth x height.

We need to measure the box from all side so 4 sides. so times the 2 number by 2 cause there is 4 sides each.

Hope this helps

7 0
3 years ago
Given that W is directly proportional to the square of V, and W = 320 when V = 8, find W when V = 9.
lorasvet [3.4K]

The value of W when V = 9 is 405

<h3>How to solve for W?</h3>

The variation is a direct variation from W to V^2.

This means that:

W = kV^2

Where k is the constant of variation.

W = 320 when V = 8 means that:

320 = k * 8^2

Evaluate

320 = 64k

Divide both sides by 64

k = 5

Substitute k = 5 in W = kV^2

W = 5V^2

When V = 9, we have:

W = 5 * 9^2

Evaluate

W = 405

Hence, the value of W when V = 9 is 405

Read more about direct variation at:

brainly.com/question/6499629

#SPJ1

3 0
2 years ago
Please solve this problem using like terms!<br> 10+4(−8q−4)
jarptica [38.1K]

Answer:

−32q−6

Step-by-step explanation:

10+4(−8q)+4⋅−410+4(-8q)+4⋅-4

Multiply −8-8 by 44.

10−32q+4⋅−410-32q+4⋅-4

Multiply 44 by −4-4.

10−32q−1610-32q-16

Subtract 1616 from 1010.

4 0
3 years ago
1.10 The number 36 is 12% of:?​
Alekssandra [29.7K]

Answer:

300

Step-by-step explanation:

12% of x = 36

12/100 x = 36

12x/100 = 36

12x=36x100

12x=3600

x=3600/12

x=300

5 0
3 years ago
Read 2 more answers
(<br> 3.9<br> ×<br> 10<br> −<br> 5<br> )<br> (<br> 7<br> ×<br> 10<br> −<br> 3<br> )
tangare [24]

Answer:

2278

Step-by-step explanation:

(3.9×10−5)(7×10−3)

= (39 - 5)(7 x 10 -3)

= (39 - 5)(70-3)

= 34(70-3)

= 34 x 67

= 2278

4 0
3 years ago
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