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mash [69]
2 years ago
9

Can i get some help. did it 3 times and still not sure.

Mathematics
2 answers:
irina [24]2 years ago
6 0

Answer:

that the pictute is not clear clich another one pls then i will do it

Andrei [34K]2 years ago
5 0

Answer:

18

Step-by-step explanation:

The height of the cone is 8, and the diameter is 3. This means that the radius is 3/2, or 1.5. We can plug everything into the formula (using 3 for pi):

\frac{3(1.5)^2(8)}{3}

We can cancel out the 3 from the numerator and the denominator, so we are left with 1.5^2 times 8. 1.5 squared is equal to 2.25, and 2.25 times 8 is equal to 18.

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3 years ago
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

Therefore each side would be:

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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:

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Therefore, the value of x is 8 inches.

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