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Delvig [45]
2 years ago
13

What’s the total surface area?

Mathematics
2 answers:
Olegator [25]2 years ago
5 0
Answer
32
because
8•4
Lyrx [107]2 years ago
5 0

Answer:

<u>208 in²</u>

Explanation:

64 in² for the base (8•8)

Area of triangle = 1/2bh

<u>For one triangle side: </u>

1/2 (9•8)

1/2 (72)

36 in²

Multiply 36 in² • 4 sides = 144 in²

144 in² + 64 in² = <u>208 in²</u>

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If the volume of a cube is 729cm^3, what is the surfface area.<br><br> Thanks!!
bezimeni [28]

Answer:

486cm^2

Step-by-step explanation:

cube volume: 729cm^3

cube faces count: 6

How you calculate square area:

s(cm) * s(cm) or just s^2(cm^2)

s = side length

If you want to find out the side length of a cube by its volume. Then simply just remove the ^3 by taking the cubic root (also written ^(1/3))

729^(1/3) = 9

then just calculate the area like i showed earlier:

(9cm)^2 = 81cm^2

But that is only one side of a cube's 6 sides, so multiply by 6:

81cm^2 * 6 = 486cm^2

Hope i could help :D

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4 0
3 years ago
If 2x +y=8, x+2y=4, find the value of x-y.<br> Please, help me
kifflom [539]

y = 8 -2x

x + 2 (8 - 2x) = 1

x + 16 - 4x = 1

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If x = 5, then we can substitute in...

5 + 2y = 1

2y = -4

y = -2

Now let us check that by substituting those values in to the equation

2x + y = 8

2 (5) + (-2) = 8

That is correct so we have the right values for x and y/

8 0
3 years ago
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Ivanshal [37]

Answer:

44.3 is the one

Step-by-step explanation:

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2 years ago
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600000×2+100000-60=____
dsp73

Answer:

1299940 i think

Step-by-step explanation:

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3 years ago
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Find the value of T……
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The correct answer to that question is T = 12
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3 years ago
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