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VLD [36.1K]
3 years ago
12

What is the solution to this system of equations?

Mathematics
1 answer:
xeze [42]3 years ago
4 0
(-8,-5) is the answer in coordinate pairs
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The length of a rectangle is 2 more than twice the width. The area of the
vlada-n [284]

Answer: w=5 , L= 2+2(5)=12

Step-by-step explanation:

L=2+2W

A= 60

LxW=60, now we will replace the L

(2+2W)(W)=60   we multiply

2w^2+2w=60

2w^2+2w-60=0  we divide by 2 the equation so we can work easier

w^2+w-30=0

find out w using the quadratic equation

we will get 2 solution,

w=5 and another solution is -6, which is not valid, as the side can not be negative

8 0
2 years ago
Ball drop with kinetic and potential energy
bagirrra123 [75]

Answer:

When the ball is dropped on the ground, the potential energy convert into kinetic energy. It had potential energy when it was held in the air waiting to be dropped, and It had kinetic energy when it was dropped because kinetic energy is when it's moving. when you drop it, your moving it.

Step-by-step explanation:

your welcome *bows*

7 0
2 years ago
The sum of three numbers is 102. The first number is 6 more than the second. The third number is 4 times the second. What are th
const2013 [10]

Answer:

1st number: 22

2nd number: 16

3rd number: 64

Step-by-step explanation:

x + y + z = 102

x = 6 + y

z = 4y

plug that in!

(6 + y) + y + (4y) = 102

get rid of the parenthesis (I added them so you could see what I was replacing) and add like terms.

6 + 6y = 102

move 6 to the other side.

6y = 96

y = 16

now that you know one number, you can solve the equations for the rest!

x = 6 + (16)

z = 4(16)

__________________________________________________________

x = 22

y = 16

z = 64

6 0
2 years ago
What is the c out of these numbers
victus00 [196]
C always means the hypotenuse. In that case C=7.2If you are trying to find the missing side length though, it would be about 4.87Hope that helps! :)

6 0
3 years ago
What is the y-intercept for the equation 8x+3y=-24
maw [93]
Make it: y = mx + b form
b = y intercept
3y = -8x - 24
Divide by 3
y = -8/3x - 8
Answer: y intercept is -8
7 0
3 years ago
Read 2 more answers
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