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2 years ago

8

ESTIMATE the quotient by rounding the expression to relate to a one-digit fact. Explain your thinking. 1275 ÷ 588  ________ (Ro

und please)

2 answers:

musickatia [10]2 years ago

8 0

Answer:

2.2

Step-by-step explanation: it would be 2.2 because once you divide it you gaet 2.16 and if you round it you get 2.2

dybincka [34]2 years ago

3 0

2.2 it would be 2.16 but it’s rounded so hope that helps if You can use a calculator

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Two lines, A and B, are represented by the equations given below!

lara [203]

Answer:

The solutions to the system of equations are:

$y=-8,\:x=-4$

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Step-by-step explanation:

Given the system of the equations

$\begin{bmatrix}y=x-4\\ y=3x+4\end{bmatrix}$

Arrange equation variables for elimination

$\begin{bmatrix}y-x=-4\\ y-3x=4\end{bmatrix}$

$y-3x=4$

$-$

$\underline{y-x=-4}$

$-2x=8$

$\begin{bmatrix}y-x=-4\\ -2x=8\end{bmatrix}$

solve for x

$-2x=8$

Divide both sides by -2

$\frac{-2x}{-2}=\frac{8}{-2}$

$x=-4$

$\mathrm{For\:}y-x=-4\mathrm{\:plug\:in\:}x=-4$

$y-\left(-4\right)=-4$

$y+4=-4$

$y=-8$

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$y=-8,\:x=-4$

Thus, option C is true because the point satisfies BOTH equations.

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3 years ago