3 years ago

What is (2i)^2.. explain

Mathematics

2 answers:

anyanavicka [17]3 years ago

7 0

sihshufhksfhsfhf,

HAHAHAA mine more Inspirational then benjamin tamaki's hahahaah

Advocard [28]3 years ago

6 0

Answer:

-4

Step-by-step explanation:

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8. The expression below is evaluated when x = 9, y = 3,

Reptile [31]

Answer:

Step-by-step explanation:

First of all substitute the values to where ever you see their corresponding variables to make them multiply.

x = 9

y = 3

z = 2

so we get

8x as 8(9),

7z as 7(2)

2y as 2(3)

then the it's will be

8(9) - 7(2) + 2(3)

which is

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finally we get

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2 years ago

767 runners entered a race. 305 more entered before the race started. How many runners are in the race?

miv72 [106K]

Answer:

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Step-by-step explanation:

Add 767 and 305

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3 years ago

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Step-by-step explanation:

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3 years ago

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What is the product? (-2d^2+s)(5d^2-6s)

Ulleksa [173]

(-2d^2+s)(5d^2-6s)
= (-2d^2*5d^2 + s*5d^2 -2d^2*-6s + s*-6s
= -10d^4 + 5sd^2 + 12sd^2 - 6s^2
=-10d^2 + 17sd^2 - 6s^2
This is the final result

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3 years ago

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A cylindrical candle has a radius 1.5 in and a height of 4 in what is the volume of the candle in cubic inches in cubic centimet

Semenov [28]

The formula for the volume of a cylinder is:

$V = \pi r^{2} h$

r is the length of the radius and h is the height. Plug in the given values:

$V = \pi *(1.5)^{2}* 4 \\ V = \pi *2.25*4 \\ V = \pi *9 \\ V \approx 28.2743338823$

To the nearest hundredth, the volume is 28.27 in³.

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3 years ago