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AlladinOne [14]
3 years ago
14

How do you do this problem 7-r=8-r-r​

Mathematics
2 answers:
Oliga [24]3 years ago
3 0

Answer:

r = 1

Step-by-step explanation:

Solve for  r

by simplifying both sides of the equation, then isolating the variable.

ollegr [7]3 years ago
3 0

Answer:

r = 1

Step-by-step explanation:

7 - r = 8 - 2r

Add 2r to both sides

7 + r = 8

Subtract 7 from both sides

r = 1

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F(x)=-2x^2+3x+7 find f(3)
Inessa [10]

Answer:

f(3) = -2

Step-by-step explanation:

Given the f(x) = -2x² + 3x + 7, to find f(3):

We can substitute 3 as the value of x in the given function:

f(x) = -2x² + 3x + 7

f(3) = -2(3)² + 3(3) + 7

f(3) = -2(9) + 9 + 7

f(3) = -18 + 9 + 7

f(3) = -9 + 7

f(3) = -2

Therefore, f(3) = - 2.

Please mark my answers as the Brainliest if you find this explanation helpful :)

3 0
3 years ago
Milo wants to roll epoxy on his garage floor. In order to do this he needs to know the area of his rectangular-shaped garage. Th
Rom4ik [11]

Answer:

its the first one

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Pleaseeee helppp meee!!
Bess [88]
Yeah for this one you can simply subtract 8 from both sides, and then divide by 2 to find x!! for the advice portion, i would say make sure you’re not over-complicating things!!
4 0
3 years ago
Determine the slope <br><br> 2y-4x=1
Maurinko [17]

Answer:

2

Step-by-step explanation:

The equation is mx+b=y

The equation is not simplified yet.

2y-4x=1

Add 4x to both sides

2y=1+4x

Divide by 2

1/2+2x

For this just identify. M=slope. The number next to the x is 2. So the answer is 2

3 0
3 years ago
Read 2 more answers
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Step-by-step explanation:

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