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3 years ago

Factor

2 answers:

5 0

4y - 20.......u need to find a common factor that can go into 4y and 20.....the only common factor is 4. So u can factor that out.....4 goes into 4 one time (but do not forget the y) and 4 goes into 20 five times....4(y - 5)

4(y - 5)...u can also check ur answer by distributing the 4 through the parenthesis and getting 4 * y - 4 * 5 = 4y - 20

Flauer [41]3 years ago

4 0

Well you just find the greatest common factor of 4 and 20 which is 4 and then you divide each number by the gcf and you get 4(y-5)

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3 years ago

What is the value of -2(x + 5)

Vanyuwa [196]

Answer:

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2 years ago

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Answer:

Exact Form:

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Decimal:

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3 years ago

Read 2 more answers

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Katena32 [7]

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2 years ago

What is the rate of change of the water level , in feet per hour

miskamm [114]

A; rate of change is the same as slope, so, using the slope formula, $m= \frac{y_{2} - y\1_{1} }{ x_{2} - x_{1} }$ , where $m$ is the slope and $x_{1}$ , $x_{2}$ , $y_{1}$ , and $y_{2}$ are the $x$ and $y$ values.

Plug in $2$ points for $x$ and $y$ , water level being the $y$ and time being the $x$ since we're looking for the answer in ft/hr-- you can choose any two, but from the same row.

$m= \frac{ 30-50}{4-0}$
$m= \frac{-20}{4}$
$m= \frac{-5}{1}$
$m= -5$ ft/hr

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3 years ago