3 years ago

PLEASE HELP! NEED THIS DONE NOW!!! 2x + 2y = 14 3x - y = 5 Show your work please!!

Mathematics

1 answer:

lorasvet [3.4K]3 years ago

7 0

X is 3 and y is 4 is the answer

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What is the solution to the equation -5 =8m +12 /4

Dima020 [189]

m = -1

-5 = 8m + 12/4
-5 - 12/4 = 8m
4(-5) - (12/4) = 4(8m)

*to remove the denominator, multiply each figure by 4.

-20 -12 = 32m
-32 = 32m
-32/32 = 32m/32
-1 = m

m = -1

To check:

-5 = 8m + 12/4
-5 = 8(-1) + 3
-5 = -8 + 3
-5 = -5

3 0

3 years ago

Read 2 more answers

The graphs of the equations $y=3x-20$ and $y=-2x+10$ intersect at the point $(6,-2)$. Without solving, find the solution of the

Maru [420]

Answer:

The solution is

$\boxed{x=6,y=-2}$

Step-by-step explanation:

The given equations are

$y=3x-20$

and

$y=-2x+10$

The graph of the two equations intersects at $(6,-2)$ as show in the graph in the attachment.

The point of intersection of the two graphs is the solution to system of equations.

Hence the solution is

$x=6,y=-2$

4 0

3 years ago

646 is 85% of what number?

Lilit [14]

Let the number be y

The statement can be interpreted as

85% of y = 646

$\begin{gathered} \text{ }\frac{85}{100}\text{ x y = 646} \\ 85y\text{ = 64600} \\ y=\frac{64600}{85} \\ y=760 \\ \text{ The number is 760} \end{gathered}$

8 0

1 year ago

What is the solution to n over 4 equals -12.4

zepelin [54]

The solution to this equation is n= -49.6.

n/4=-12.4

n/4*4=-12.4 * 4

n= -49.6

5 0

3 years ago

The area for the trapezoid is in2.

Nady [450]

Answer:

1204

Step-by-step explanation:

8 0

3 years ago