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ASHA 777 [7]
2 years ago
8

I need help !! I’ll give brainliest for the correct answer.

Mathematics
1 answer:
Otrada [13]2 years ago
5 0
Answer: -4 2/3
Hope this helps you!
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Solve the system of equations by using substitution.<br> x+8y=-2<br> x-3y=20
zysi [14]

Answer:

(14, -2)

Step-by-step explanation:

To solve by using substitution, begin by solving for a variable in the first equation. Let's solve for x:

x+8y=-2\\x=-2-8y

Now we know what <em>x</em> equals. Let's substitute this into the second equation:

x-3y=20\\(-2-8y)-3y=20

We can then simplify:

-2-8y-3y=20 Given equation

-2-11y=20 Combine y terms

-11y=22 Add 2

y=-2 Divide by -11

So, we now know the value of y = -2.

To find the value of X, we can substitute the value of Y into one of the equations. Let's use the first one:

x+8y=-2

x+8(-2)=-2 Substitute for y

x-16=-2 Distribute 8

x=14 Add 16

So, we now know the value of x = 14.

Therefore, we know a solution to the system of equations is (14, -2).

4 0
3 years ago
( 1+7 )•3/6 and (7•3)•2/6
dedylja [7]
The answer to ( 1+7 )•3/6 is 4 and (7•3)•2/6 is 7
4 0
3 years ago
Read 2 more answers
You work from 3:30 P.M. to 9:00 P.M. each day, Monday through Friday. You take an unpaid break from 6:00 to 6:30. How many hours
Sav [38]

Answer:362 hours

Step-by-step explanation:

4 0
2 years ago
Parallel and perpendicular worksheet
vlada-n [284]

Answer:

i used to know how to do this but i forgot sorry hope someone helps

Step-by-step explanation:

Good Luck!!

5 0
3 years ago
Help! giving 13 points!
Shtirlitz [24]
To determine the perimeter of the triangle given the vertices, calculate the distances between pair of points. For the first pair (-5,1) and (1,1), the distance is 6. For the next pair, (1,1) and (1, -7), the distance is 8. Lastly, for the pair of points (-5,1) and (1, -7), the distance is 10. Adding all the distance will give the perimeter of the triangle. Thus, the perimeter is 24. 
6 0
3 years ago
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