3 years ago

Solve the system of equations -2x-2y=12 and -8x-y=-15

Mathematics

1 answer:

DaniilM [7]3 years ago

6 0

Answer:

(3, −9)

Equation Form:

x = 3, y = −9

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

You might be interested in

Mira has breakfast at a restaurant. She leaves a 20% tip of $1.80.

Anvisha [2.4K]

Answer: $9.00

.......................................

4 0

3 years ago

Ill mark brainilist or whatever, just answer please fast. Need this done asap

Archy [21]

Answer:

true

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

What is (-11) + (-5)

yawa3891 [41]

-16 is the answer :)

6 0

4 years ago

Read 2 more answers

Octagon ABCDEFGH and its dilation, octagon A'B'C'D'E'F'G'H', are shown on the coordinate plane below:

choli [55]

We can take out one of the points such as H (2,6) and then take it's dilation H' (1,3)and see that 2 and 6 were both multiplied by 1/2 to get 1 and 3, so the scale factor is 1/2

3 0

3 years ago

Read 2 more answers

Given the line below. Write the point-slope form of the given line that passes through the points (0, 3) and (4, 0). Identify (x

jeka57 [31]

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&&(~{{ 0}} &,&{{ 3}}~) 
% (c,d)
&&(~{{4}} &,&{{ 0}}~)
\end{array}
\\\\\\
% slope = m
slope = {{ m}}\implies 
\cfrac{\stackrel{rise}{{{ y_2}}-{{ y_1}}}}{\stackrel{run}{{{ x_2}}-{{ x_1}}}}\implies \cfrac{0-3}{4-0}\implies -\cfrac{3}{4}
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-3=-\cfrac{3}{4}(x-0)$

4 0

4 years ago