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antiseptic1488 [7]
3 years ago
9

The sum of three times a number (x) and -23 is 28

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
3 0

Answer:13

Step-by-step explanation:

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Dave was playing checkers with a friend. The ratio of games Dave won was 10:7. If Dave won 80 games, how many games did his frie
Mila [183]
The answer is 56! How you do this, is you take 80, and you multiply it by 7. Then you divide that answer by 10. Then you have your answer! I’m really bad at math but I do know how to do that!
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3 years ago
Help please if u can
GrogVix [38]

Answer:

x=6

Step-by-step explanation:

this is a property

(8x-4)+(3x+17)=17x-23

11x+13=17x-23

23+13=6x

36=6x

x=6

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3 years ago
Isaac is on the 4th floor of a building. If he rides an elevator up 7 floors, what floor will he be on? What integer represents
frutty [35]

Answer:

11th floor

Step-by-step explanation:

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4 years ago
Which equation is equivalent to the following?
goldenfox [79]

Answer:

4)  2(x - 3)^2 + 2(y + 5)^2 = 96.

Step-by-step explanation:

2x^2 – 12x + 2y^2 + 20y – 28 = 0

2(x^2 – 6) + 2(y^2 + 10y) = 28

2 ( (x - 3)^2 - 9)) + 2((y + 5)^2 - 25) = 28

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2(x - 3)^2 + 2(y + 5)^2 = 28 + 18 + 50

2(x - 3)^2 + 2(y + 5)^2 = 96

3 0
4 years ago
Read 2 more answers
Solve these equations. Show solutions on a number line.<br><br> |x-7|=x-7
Snezhnost [94]

Answer:

X is equal to or greater than 7

Step-by-step explanation:

Since lx-7l is equal to x-7, this means that it can only work on places where the lines are on top of each other. In terms of x, this means that x must be at least 7. As you can see in the number line also attached.

7 0
3 years ago
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