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7nadin3 [17]
3 years ago
7

Y=4x + 45 x = 4y Solve the system of equation algebraically.

Mathematics
1 answer:
Brrunno [24]3 years ago
8 0

Answer:

x= -12,y= -3

Step-by-step explanation:

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The lines of the equations are parallel, perpendicular, or neither. y = 2x + 3 y = 2x 1)parallel
faltersainse [42]
They are both of the form y = mx + b  where m = slope

m = 2 for both  so they are parallel
7 0
4 years ago
Please help –8 = c /9 c=
kramer

Hey there! I'm happy to help!

We want to get c all by itself on one side of the equation. Usually variables go on the left side, so let's flip the equation around.

c/9=-8

If we multiply c/9 by 9, the 9 will cancel out because if you divide by 9 and then multiply by 9 it just equals 1. We can do this to isolate the c, but whatever you do to one side of the equation, you have to do to the other. So, we multiply both sides by 9.

c/9×9=-8×9

c=-72

Have a wonderful day! :D

4 0
3 years ago
Read 2 more answers
Helpp what is <br><br> 3(1-9a)+22a=2(2a-9)-15
Klio2033 [76]

Answer:

a = 4

Step-by-step explanation:

1. Expand

2. Simplfy

3. Add 5a to both sides.

4. Simplify again

5. Add 33 to both sides.

6. Divide both sides by nine

7. Switch the sides up.

6 0
3 years ago
Read 2 more answers
This is confusinggggg
MakcuM [25]
In order to find the area of a circle. You need to find the radius of the circle, which is the diameter of the circle, halved. In your question all you do is half 62 which is 31, then do Area=pie x radius squared which is 3019.07 but then to give in 1DP the answer is
3019.1 hope this helps!! Mark me the brainiest!!



ANSWER- 3019.07

8 0
3 years ago
Bethany can mow her family’s lawn in 4 hours. Her brother Colin can mow the lawn in 3 hours. Which equation can be used to find
maria [59]
In 4 hours Bethany did the whole fraction 1 of the house.

In 1 hour he would do 1/4 of it.

In 3 hours Colin did the whole fraction 1 of the house.

<span>In 1 hour he would do 1/3 of it.
</span>
In 1 hour they would both do (1/4 + 1/3)

If it takes both of them x hours to finish 1 whole fraction of the house.

In 1 hour they will both do   1/x

That means that:

1/x = 1/4 + 1/3

That is the equation.   x can be solved for.
5 0
4 years ago
Read 2 more answers
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