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4 years ago

Please help me :( i would really appreciate it

Mathematics

2 answers:

gtnhenbr [62]4 years ago

8 0

F(x)=x², g(x)=x²/25.

When x=0, f=g=0.

But when x=5, then f=25 while g=1.

We also note that f=1 for x=1, but g=1 when x=5. This means that graph of g is the graph of f horizontally stretched by a factor of 5. So it's B.

Sonbull [250]4 years ago

5 0

Answer:

Step-by-step explanation:

g(x) = f(x/5)

Horizontal stretch with factor '5'

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2 years ago

(x-1)(x+2)=5(x-1) divided by x-1

anyanavicka [17]

Assuming that your question is (x-1)(x+2) = [5(x-1)]/x-1

On the right side, the x-1's will cancel out, leaving you with (x-1)(x+2) = 5

expand the left side, giving you x^2 + x -2 = 5
which goes to x^2 +x -7 = 0
the possible values for x are 2.93 and -3.93. I don't think this was your question, so I'll do the other possible question that you might have been asking.

(x-1)(x+2) = 5(x-1)

divide by x-1 on both sides, leaving you with x+2=5
x+2=5
x=5-3
x=3

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3 years ago

What three numbers must be multiplied by 6

Advocard [28]

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3 years ago

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Only number one please help

Alex73 [517]

Answer:

C) 75 + 50x = 25 + 70x

Step-by-step explanation:

ABC Tech:

$50 an hour. So,for x hours= 50 * x = 50x

Service charge = 75 + 50x

Tech Squad:

$70 an hour. So,for x hours= 70 * x = 70x

Service charge = 25 + 70x

C) 75 + 50x = 25 + 70x

50x - 70x = 25 - 75

-20x = -50

x = -50/-20

x =5/2 = 2 $\frac{1}{2}$ hours

6 0

3 years ago

Please help me :( i would really appreciate it ​

Please help me :( i would really appreciate it