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3 years ago

What expression are equivalent 4^-32/4^2?

Mathematics

1 answer:

pickupchik [31]3 years ago

5 0

4^32=22.627417 and 4^2=16

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The answer should be C.

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Claudia claims that there is one operation in the algebraic equation above. Joanna claims that there are two. Who is correct? Ex

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There are only 4 operations. Joanna is incorrect and Claudia is correct.

Hope this helps :)

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Answer:

$14400

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3 years ago

Find factors of 15y^2-50y+35=

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First, factor out the common factor 5.

15y^2-50y+35 =

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4 years ago

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Sara has a stack of 8 plates, each plate is 0.5 inches tall and she is trying to wrap them as a gift.

AlekseyPX

Answer:

The plates will not fit into the box.

Step-by-step explanation:

Each plate is 0.5 inches tall; therefore, the stack of 8 plates will have a height of $0.5in*8 = 4inches$ .

Also, the diameter of the largest plate is 10 inches or has a radius of 5 inches, which matches the radius of the cylindrical box; therefore, we know that the stack of plates can fit into the base area of the cylindrical box.

What we want to figure out now is the height of the cylindrical box to see if it is greater than or equal to 4 inches—the height of the stack of plates.

The volume of a cylinder is $\pi R^2h$ , and since for our cylindrical box the volume is 150 cubic inches; therefore,

$\pi R^2h = 150in^3$

putting in $R = 5in$ and solving for height $h$ we get

$h = \dfrac{150in^3}{\pi (5)^2}$

$h = 1.91\: inches$ ,

which is not greater than 4 inches, which means the plates will not fit into the box since the height of the stack is greater than the height of the box.

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4 years ago