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HACTEHA [7]
3 years ago
13

What single decimal multiplier would you use to increase by 7% followed by a 4% decrease?

Mathematics
1 answer:
Nostrana [21]3 years ago
4 0

Answer: To increase an amount by 7%, you would want to use 1.07 as the multiplier. To decrease it, you would use 0.93

Step-by-step explanation:

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Solve the system by graphing. Y=2x-9 y=-2x-1
sattari [20]

Answer:

(2,-5)

Step-by-step explanation:

See attachment

One can also solve this by calculation:

y=2x-9

y=-2x-1

-

Rearrange either equation to find x.  I'll use the first:

y=2x-9

2x = y+9

x = (y+9)/2

Now use this value of x in the second equation:

y =  -2x-1

y =-2((y+9)/2)-1

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y = -y -9 - 1

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Now use -5 for y in the rearranged equation:

y =  -2x-1

-5 =  -2x-1

-2x = -4

x = 2

Solution is (2,-5)

But the question wants a graph solution, which is also fun when you use DESMOS.

4 0
2 years ago
Solve for x:<br> 4x + 10 = 34
VladimirAG [237]

Answer:

x=6

Step-by-step explanation:

4x+10=34

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x=6

7 0
3 years ago
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If d = 2, what is the value of ?
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