3 years ago

(X+2) (x+8) expand and simplify

1 answer:

8 0

Answer:

X+2=2x

x+8=8x

(2x).(8x)=16x

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Vesnalui [34]

Answer:

$5\frac{22}{25}\ hours$

Step-by-step explanation:

we know that

$4\frac{1}{5}\ hours=\frac{4*5+1}{5}=\frac{21}{5}\ hours$ $100\%+40\%=140\%=\frac{140}{100}$

Let

x ------> new battery life

The equation that represent this situation is

$x=(\frac{140}{100})(\frac{21}{5})=\frac{2,940}{500}\ hours$

convert to mixed number

$\frac{2,940}{500}=\frac{2,500}{500}+\frac{440}{500}=5\frac{22}{25}\ hours$

4 0

3 years ago

gayaneshka [121]

I just noticed I said it’s wrong .. I don’t know the answer

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3 years ago

andrew11 [14]

The answer is 13 because you add.

4 0

4 years ago

madam [21]

(-30 km/h) -(45 km/h) = -75 km/h . . . . . east is positive here

The velocity changed 75 km/h to the west.

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3 years ago

algol [13]

The distance between -0.15 and 0.7 would be 22
Because you add .15 and .7 because that's how many places you had to move on a number line

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3 years ago