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Soloha48 [4]
3 years ago
15

X = 3y + 10 X= -2y + 15

Mathematics
1 answer:
saw5 [17]3 years ago
4 0

Answer:

Step-by-step explanation:

3y + 10 = -2y + 15

5y + 10 = 15

5y = 5

y = 1

x = 3(1) + 10

x = 3 + 10

x = 13

(13, 1)

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What is the solution to (x-5)(x+2)+2x=8+(x-4)^2+1?
Dmitry [639]

Answer: x=5

Step-by-step explanation:sorry I just solve it on the paper and I don't have time to write it the step by step

3 0
3 years ago
When solved for c, the equation is c = k – 273.15 c = 273.15 – k c = k 273.15 c = 273.15k
charle [14.2K]

The the equation K = C + 273.15 when solved for c is C = K - 273.15

<h3>Change of subject of formula</h3>

K = C + 273.15

  • subtract 273.15 from both sides

K - 273.15 = C

Therefore,

C = K - 273.15

Complete question:

The temperature measured in Kelvin (K) is the temperature measured in Celsius (C) increased by 273.15. This can be modeled by the equation K = C + 273.15.

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8 0
2 years ago
2x2-y if x=3 and y=8
9966 [12]
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8 0
3 years ago
The author received a total of $195,000 for the book sales. How many hardcover books were sold? Type in numbers only.
g100num [7]

Answer:

Total 390 hardcover books were sold

Step-by-step explanation:

Complete question

The author received a total of $195,000 for the book sales. How many hardcover books were sold if the cost of one hardcover book is  $500. Type in numbers only.

Solution

Given-

Total value of sale of hard cover = $195,000

Cost of one hardcover book = $500

Number of books sold = Total value of sale of hard cover/Cost of one hardcover book

Number of books sold =   $195,000/$500

Number of books sold = 390

Total 390 hardcover books were sold.

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Graph of g(x) = x2 − 5
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