3 years ago

Find the surface area of the square pyramid.square 4inpyramid 6in h

Mathematics

1 answer:

dedylja [7]3 years ago

7 0

Answer:

≈ 66.6

A=a2+2aa2

4+h2=42+2·4·42

4+62≈66.59644

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77julia77 [94]

7(12-4) or (12-4)*7 either is fine

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3 years ago

Solve for x, given the equation Square root of x-5+7=11

denis-greek [22]

$\sqrt{x-5+7} = 11\\x-5+7 = 11^2\\x-5+7 = 121\\x + 2 = 121\\x = 119$

Check the answer:

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This answer is correct,

x = 119

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3 years ago

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3 years ago

What are the two words that allow you to check your division problem backward?

Dahasolnce [82]

Answer:

inverse operation

Step-by-step explanation:

Inverse means opposite. The opposite of division is multiplication. For example, if you divided 15 by 3, the answer is 5. If you multiply 5 by 3, the answer is 15. You know your answer is correct by checking it with the inverse operation.

Hope this helps!! Have a wonderful day :3

3 0

3 years ago

Can you please tell me what the answer is

Gekata [30.6K]

Answer:

52.5

Step-by-step explanation:

WX curve is 105 degrees

so to find WYX, you need to divide the WX curve by 2:

105 / 2 = 52.5 degrees

I think this is right, I have not done this in years so I am rusty at this

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3 years ago