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Korvikt [17]
3 years ago
6

Is she correct ?????? HELP !!

Mathematics
1 answer:
garik1379 [7]3 years ago
8 0
Here, volume of two shapes doesn't relate with each other, so if one has double dimensions than the other, then it's volume won't be exactly double than the other, 'cause they formula's are very different. 

 Volume of a Cylinder = πr²h
v = π(4)²(6)
v = 96π

Volume of a cone = 1/3 πr²h
v = 1/3 π (8)²(12)
v = 256π

So, Ratio = 256π/96π = 128/48 = 64/24 = 32/12 = 16/6 = 8/3 [ Not 2 ]

In short, She is Incorrect!

Hope this helps!
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Answer:

Each boy recieved $25.25 each

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First, you add up all the money the 3 boys spent.

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Then you add the sum of the equation to the amount all the boys had afterward.

45+30.75=75.75

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Westkost [7]

Answer:

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The measure of angle B is 37 degrees

Step-by-step explanation:

Here in this question, we are interested in calculating the measure of the two angle.

When how angles are complementary, it means the sum of both equals 90 degrees

mathematically ;

(7x + 4) + (4x + 9) = 90

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