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RUDIKE [14]
3 years ago
7

PLEASE HELP I GIVE BRAINLIEST also pls explain

Mathematics
1 answer:
NikAS [45]3 years ago
3 0

Answer:

c. 44

Step-by-step explanation:

I think you just add

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9. Water is added to two containers for 16 minutes. The equations below model the ounces of
Vladimir [108]

The two containers hold 328 ounces at the they hold same amount of water.

<u>Step-by-step explanation:</u>

The equations below model the ounces of  water, y, in each container after x minutes.

y = 16x + 104

y = -2x^{2} +40x+160

At the time after the start when the containers hold  the same amount of water, the two equations must be equal.

⇒ 16 x + 104 = -2x^{2}  + 40 x + 160

The first step is to divide everything by 2 to make it simplified.

⇒ 8 x + 52 = - x^2 +20 x + 80

Now put everything on the left .

x^2 + 8 x - 20 x + 52 - 80 = 0

Add the like terms together to further reduce the equation

x^2 - 12 x - 28 = 0

Factorizing the equation to find the roots of the equation.

Here, b = -12 and c = -28

where,

  • b is the sum of the roots ⇒ -14 + 2 = -12
  • c is the product of the roots ⇒ -14 × 2 = -28
  • Therefore, (x-14) (x+2) = 0
  • The solution is x = -2 or x = 14

Take x = 14  and substitute in any of the given two equations,

⇒ y = 16(14) + 104

⇒ y =224+104

⇒ 328 ounces

∴ The two containers hold 328 ounces at the they hold same amount of water.

5 0
3 years ago
What is 5 plus 6 plus 7 plus 8?
Bad White [126]

Answer:

26

Step-by-step explanation:

5 + 6 + 7 + 8 = 11 + 15 = 26

Hope it helps you in your learning process.

5 0
3 years ago
Read 2 more answers
Solve for v.
vfiekz [6]

Answer:

v = 2/5    Or    v = 0.4

Step-by-step explanation:

12/5 = 6v

to isolate V divide both sides by 6

(12/5) : (6)= 6v : (6)

For the left side because there is a fraction when you devide you change it into multiplication, flipping the addent and quotient so you’ll have

12/5 * 1/6  (you semplify the cross numbers) you’ll have 2/5

on the right side the 6 cancel each other. Because 6/6 = 1. so you will have 1v which is v.

2/5 = v

or decimal form

0.4 = V

8 0
2 years ago
Billy's age is twice Joe's age and the sum of their ages is 45. How old is Billy?
Fed [463]

Answer:

30 years old

Step-by-step explanation:

Joe's age can be set to x. Since Billy is twice as old as Joe, his age can be set to 2x. They add up to 45. You can set up an equation, 2x+x=45.

Simplify the equation.

3x=45, x=15

Joe is 15. Billy is 2(15)=30.

4 0
3 years ago
What is the image of (8,-5) after a reflection over the y-axis?
Rasek [7]

Answer:

(-8,-5)

Step-by-step explanation:

4 0
3 years ago
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