3 years ago

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Mathematics

1 answer:

kakasveta [241]3 years ago

8 0

Answer:

O D. -6x(x2 + 2x+3)

Step-by-step explanation:

$-6x3 - 12x2 - 18x \\ - 6x( {x}^{2} + 2x + 3)$

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Vadim26 [7]

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Quadrilateral LMNO is similar to quadrilateral PQRS. Find the measure of side QR.

dalvyx [7]

Answer:

The measure of the side $QR$ is 8.8.

Step-by-step explanation:

Since $LMNO \sim PQRS$ , then $SP \propto OL$ , $RS \propto ON$ , $RQ \propto MN$ and $QP \propto LM$ . From figure we have the following relationship:

$k = \frac{OL}{SP} = \frac{ON}{RS} = \frac{MN}{QR} = \frac{ML}{QP}$ (1)

Where $k$ is the proportionality ratio.

If we know that $SP = 13, OL = 55, MN = 37$ , then the measure of side $QR$ is:

$k = \frac{OL}{SP}$ (1b)

$k = \frac{55}{13}$

$k = \frac{MN}{QR}$

$QR = \frac{MN}{k}$ (1c)

$QR = \frac{37}{\frac{55}{13} }$

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3 years ago

What is the answer to -3+y=-5

Stolb23 [73]

Answer:

y=-2

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you are solving for the variable y

add 3 to the opposite side, so it cancels out

y=-5+3

y=-2

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