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ss7ja [257]
3 years ago
12

X + y =7 What is the answer show your work

Mathematics
1 answer:
azamat3 years ago
3 0

Answer:

  • x = 3
  • y = 4.
  • There are infinite solutions. I'll just give you this solution.

Step-by-step explanation:

<u>Given equation:</u>

  • x + y = 7

<u>Solve for variables:</u>

  • 7 - x = y
  • 7 - 3 = 4
  • 7 - y = x
  • 7 - 4 = 3.

<u>Answers:</u>

  • x = 3
  • y = 4.
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nadya68 [22]

On Monday he reads 2 pages, on Tuesday he reads 6 pages (triple of 2: 2 + 2 + 2 = 6), on Wednesday he reads 18 pages (triple of 6: 6 + 6+ 6 = 18), on Thursday he reads 54 pages (triple of 18: 18 + 18 + 18 = 54).

8 0
2 years ago
A truck can be rented from Company A for ​$40 a day plus ​$0.40 per mile. Company B charges ​$20 a day plus ​$0.50 per mile to r
torisob [31]

The number of miles in day at which the rental cost for the company A and Company B are the same is 200 miles

The Company A rented the truck for $40 a day plus $0.40 per miles

The expression will be

40+0.40x

Where x  is the number of miles

The company B rented the truck for $20 a day plus $0.50 per miles

20+0.50x

To find the number of miles in a day at which the rental costs for Company A and Company B are the same, the linear equation will be

40+0.40x = 20+0.50x

40-20 = 0.50x-0.40x

0.1x = 20

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Hence, the number of miles in day at which the rental cost for the company A and Company B are the same is 200 miles

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brainly.com/question/13738061

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6 0
1 year ago
What number added to heather equal 3 and multiply together to get -48
andrew-mc [135]
Answer: 3, 4, -4

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8 0
3 years ago
What is 1 plus 2 plus 3.... plus 200?
Aneli [31]

Answer:

20100

Step-by-step explanation:

There are 200 numbers in this addition problem. To add this, we can do 1 + 200, 2 + 199, 3 + 198 and so on. All of these pairs have a sum of 201 and since there are 200 / 2 = 100 pairs the answer is 201 * 100 = 20100.

6 0
3 years ago
Read 2 more answers
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Semmy [17]

Answer:

1,350 cm^2

Step-by-step explanation:

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15 × 15 = 225

225 × 6 = 1,350

4 0
3 years ago
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