3 years ago

Please help me answer this with the correct answer :)

Mathematics

1 answer:

Juli2301 [7.4K]3 years ago

7 0

It’s uhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

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A toy ball in the shape of a sphere expands and contracts. When it is completely closed, it has a diameter of 12.5 inches.Find

lana [24]

The volume of the sphere is $1022.65 \ in^3$

Explanation:

Given that the diameter of the toy ball is 12.5 inches

We need to determine the volume of the toy ball.

The radius of the toy ball is given by

$r=\frac{d}{2}$

$r=\frac{12.5}{2}$

$r=6.25 \ in$

Thus, the radius of the toy ball is 6.25 in

The volume of the sphere can be determined using the formula,

$V=\frac{4}{3} \pi r^{3}$

Substituting the values, we get,

$V=\frac{4}{3} \pi(6.25)^{3}$

Multiplying, we get,

$V=\frac{976.5625 \pi}{3}$

Substituting $\pi=3.14$ , we have,

$V=\frac{976.5625 (3.14)}{3}$

Simplifying, we get,

$V=1022.65 \ in^3$

Thus, the volume of the sphere is $1022.65 \ in^3$

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3 years ago

The figure shows a line graph and two shaded triangles that are similar:

bija089 [108]

Answer:

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This is my answer: 4x^2-28xy- 7y^2

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Answer:

Step-by-step explanation:

Step 1: Calculate the error (subtract one value from the other) ignore any minus sign.

Step 2: Divide the error by the exact value (we get a decimal number)

Step 3: Convert that to a percentage (by multiplying by 100 and adding a "%" sign)

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Find the perimeter of the figure. help due today

Crank

If they want you to find the perimeter I guess you add all sides so 9+9+9+9+30 = 66

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