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Katen [24]
2 years ago
15

What is x? (7x+1)=(9x-7)

Mathematics
1 answer:
kakasveta [241]2 years ago
8 0

Step-by-step explanation:

Given

7x + 1 = 9x - 7

9x - 7x = 1 + 7

2x = 8

x = 8 / 2

x = 4

Hope it will help :)❤

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Toys R Us is having a 38 percent discount on all of their backpacks if a back pack is normally 22.00 how much will it be on sale
My name is Ann [436]

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toys r us is shut down but to answer the price would be $13.64 saving you $8.36 have a wonderful day

Step-by-step explanation:

6 0
3 years ago
Draw and identify the coordinates of the image of the figure after a 90° counterclockwise rotation about the origin. ​
Galina-37 [17]

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5! HOPE I HELPED

Step-by-step explanation:

6 0
2 years ago
Natalie walked 3/5 mile in 1/2 hour . how fast did she walk in miles per hour
Nutka1998 [239]

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(6/5) mph

Step-by-step explanation:

5 0
2 years ago
(PLEASE HELP) The table below - does it represent an exponential function?
Aliun [14]
Short answer: I don't know, but that doesn't mean I can't give you something that you can decide for yourself.
y = 4*2^(2n - 2) is the pattern.
Go for broke. Try n = 4. You should get 256. Let's try it.
y = 4 * 2^(2*4 - 2)
y = 4 * 2^(8 - 2)
y = 4 * 2^6
y = 4 * 64
y = 256 yup it works.

The other end is just as important. Suppose n = 1
Then y = 4 * 2^(2*1 - 2) = 4 * 2^0 = 4*1 = 4 Both work.

If this formula is correct, we can abbreviate it to make your task easier.
y = 4 * 2^(2n - 2)
y = 2^2 * 2^(2n - 2)
y = 2^(2n - 2 + 2)
y = 2^(2n) Now try the two end points again.

n = 4
y = 2^(2*4)
y  =  2^8
y = 256

n = 1
y = 2^(2*1)
y = 2^2
y = 4 which again checks.

so y = 2^(2n) I think is an exponential function.
Sorry my explanation is so long.

6 0
3 years ago
Marta has 1 cubic yard of sand to build a wall in the shape of a rectangular prism that is 20 inches tall and 5 inches wide. To
DanielleElmas [232]

Answer:

466,56 inches

Step-by-step explanation:

1 yard = 36 inches

1 cubic yard = 36*36*36 = 46656 cubic inches

46656 = 20*5*l => l = 46656/100 = 466, 56 inches

7 0
3 years ago
Read 2 more answers
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