3 years ago

PLSSS HELP it’s half my grade

Mathematics

1 answer:

Marina86 [1]3 years ago

4 0

The units are always squared.

The area can be found when given the diameter by first finding the radius.

Circumference can be used to find area.

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Sal is tiling his entryway. The floor plans is drawn on a unit grid. Each unit length represents 1 foot. Tile costs $2.25 per sq

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Is there a picture or something because how many tiles does he wanna make

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2 years ago

Find the volume of a cylinder with a diameter of 8 inches and a height that is three times radius

ollegr [7]

Answer:

96π^2 = 947.48

Step-by-step explanation:

π × r² × h

8π times 3*4*π

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3 years ago

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adell [148]

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3 years ago

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Perform the indicated operation.(3/a+2) + (4/a-5)

kipiarov [429]

Answer:

$\frac{7(a-1)}{(a+2)(a-5)}$

Step-by-step explanation:

To solve this operation we need to find the common multiple of both denominators and solve for a.

$\frac{3}{a+2} + \frac{4}{a-5} =\frac{3(a-5)+4(a+2)}{(a+2)(a-5)} =\frac{3a-15+4a+8}{(a+2)(a-5)} =\frac{7a-7}{(a+2)(a-5)} =\frac{7(a-1)}{(a+2)(a-5)}$

Thus, the solution is 7(a -1) / (a+2)(a-5)

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3 years ago

Simplify 8^x/4^y x 2^z

Lera25 [3.4K]

Answer:

The answer is 8x.

Step-by-step explanation:

It is 8x.

EXCEPT,

Is it $2^{z}$ or $2^{2}$

If it is $2^{z}$ then the answer is $\frac{2^{3x+z} }{4}$

PLEASE MARK BRAINLIEST

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2 years ago