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Tcecarenko [31]
3 years ago
8

I mainly need help with part b, brainliest to whoever gets it right

Mathematics
2 answers:
DochEvi [55]3 years ago
8 0

Answer:

y=2x+1

Step-by-step explanation:

expeople1 [14]3 years ago
3 0
Y=2x+1 is the correct answer
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What is the perimeter of a swimming pool that is 97 feet in length and 17 feet wide?
Lubov Fominskaja [6]

Answer:

228 ft

Step-by-step explanation:

P = 2(l+w)

We know the length is 97 and the width 17

P = 2(97+17)

   = 2(114)

   =228

6 0
3 years ago
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A pond holds 1920 gallons of water. There is a leak and the amount of water drops 20 gallons every hour. How much water is in th
Ivahew [28]

Answer:

20 times an hour so 20 times 48 is 960 1920-960 is 960 gallons so there is 960 gallons of water left

7 0
3 years ago
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Use the substitution method to determine the solution of the system of equations. y = -5x and 21x - 7y = 28
8_murik_8 [283]

Answer:

x = 1/2   y = -5/2

Step-by-step explanation:

Since we already know an equation for y, we just need to plug it into the other equation.

21x - 7(-5x) = 28

21x + 35x = 28

56x = 28

x = 1/2

Now that we know x, we substitute it into the other equation, to find y.

y = -5x

y = -5(1/2)

= -5/2

3 0
3 years ago
Find the solution to the system of linear equations y = 5x + 4 and y = −3x + 12 using the intersection method. Check your answer
Umnica [9.8K]

Answer:

The solution to the system of linear equations is (1,9).

Step-by-step explanation:

The given system of linear equations

y=5x+4            ... (1)

y=-3x+12           .... (2)

Subtract equation (2) from equation (1) to eliminate y.

y-y=(5x+4)-(-3x+12)

0=5x+4+3x-12

On combining like terms, we get

0=(5x+3x)+(4-12)

0=8x-8

Add 8 on both sides.

0+8=8x-8+8

8=8x

Divide both sides by 8.

1=x

The value of x is 1.

Substitute x=1 in equation (1).

y=5(1)+4

y=5+4

y=9

The value of y is 9.

Therefore the solution to the system of linear equations is (1,9).

4 0
3 years ago
Y=91 if x is 4 what is y
Elodia [21]

Answer:

y=91

.........???????

4 0
3 years ago
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