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ale4655 [162]
2 years ago
10

What is this answer to this question

Mathematics
2 answers:
Mashutka [201]2 years ago
6 0

Answer:

it would be 110. you add 80+30

Verizon [17]2 years ago
4 0

Answer: 110

Step-by-step explanation: ABC=80

CBD=30

ABC+CBD= ABD

30+80=ABD

ABD= 110

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To create a giant gemstone, sara first made two identical square pyramids that each had a base area of 100 square inches. Then s
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Answer:

8 inches.

Step-by-step explanation:

From the statement we have that they first made two identical square pyramids, each with a base area of 100 square inches.

Ab = s ^ 2 = 100

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Then they tell us that they glued the bases of the pyramids together to form the precious stone. The surface area of the gemstone is 520 square inches, so for a single pyramid it would be:

Ap = 520/2 = 260

For an area of the square pyramid we have the following equation:

Ap = 2 * x * s + s ^ 2

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Replacing we have:

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20 * x + 100 = 260

20 * x = 160

x = 160/20

x = 8

Therefore, the value of x is 8 inches.

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3 years ago
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