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suter [353]
2 years ago
5

Find the surface area for a cube that has sides all 2yds.

Mathematics
1 answer:
Reika [66]2 years ago
5 0

Answer:

24

Step-by-step explanation:

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Volume and Surface Area<br><br> Math help 100 points
kondor19780726 [428]
Part 1) we have that
volume smaller solid=512 cm³
volume larger solid=2197 cm³

we know that
volume larger solid=[scale factor]³*volume smaller solid
scale factor=∛[volume larger solid/volume smaller solid]
scale factor=∛[2197/512]-----> scale factor=1.625


Part 2) 
the ratio of the surface areas is equal to [scale factor]²
1.625²-------> 2.64

Part 3)
surface area smaller solid=960 cm²
then
surface area larger solid=scale factor²*surface area smaller solid
surface area larger solid=[1.625]²*960-----> 2535 cm²
 surface area larger solid is  2535 cm²


3 0
3 years ago
Read 2 more answers
Two Identical Buildings stand parallel on opposite sides of a road. Find the angle of depression from A to B
Aleks04 [339]

Answer:

8.7°

Step-by-step explanation:

The above problem can be represented by a right angled triangle with height of 7 m, hypotenuse = AB.

The base of the triangle is gotten by finding the diagonal of the road. That is using Pythagoras theorem:

base² = 43² + 15²

base² = 2074

base = 45.54 m

Using trigonometric function to find angle A:

tan(A) = base / height

tan(A) = 45.54 / 7

tan(A) = 6.506

A = tan⁻¹ (6.506)

A = 81.3°

Angle of depression = 90° - A = 90 - 81.3

Angle of depression = = 8.7°

6 0
3 years ago
John is having a new deck built. He paid $485 for the required materials, and he will pay his brother $25 an hour to build the d
Kobotan [32]

Answer:

The answer is not finished but if John is buying the materials and paying for the labor then the answer will be $510.

Step-by-step explanation:

I’m sorry if I didn’t help but the answer is not written out enough…

8 0
3 years ago
Write the equation for the area (A) in terms of width (w) of a playground if the length (l) is twice as long as the width (w)
Crazy boy [7]
It will be a system of equations.

A=1*w
l=2w

Solve by substitution.
5 0
4 years ago
Which of the following equations expresses the relationship between x and y in the table below ?
Aleksandr-060686 [28]
The answer is y = 3x + 5
explanation : if you substitute the x in the equation for 0 and the y for 5 then solve/simplify. if you’re still not sure you can try the next one and substitute x for 2 and y for 11. you’ll see that y and x will equal each other. hope this helps:)
3 0
3 years ago
Read 2 more answers
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