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FromTheMoon [43]
3 years ago
5

Simplify the expression. Explain each step 7(4y)

Mathematics
1 answer:
777dan777 [17]3 years ago
6 0

Answer: 28 y

Step-by-step explanation: All you really have to do is multiply 7 by 4y. 7(4y) 28y

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Solve the following system of equations via elimination.<br> 12x – 9y = 30<br> 6x+15y=54
sesenic [268]

Answer:

x=4,y=2

Step-by-step explanation:

solve one of the equations for x/y and then plug it into the other

3 0
3 years ago
Jackie is diving 25.65 feet below sea level and then dives down another 16.5 feet. Then he rose 12.45 feet. What is Jackie’s new
liq [111]

Answer:

-29.7

Step-by-step explanation:

Assuming sea level is at 0, you would first subtract 25.65 from 0 to indicate diving 25.65 feet BELOW 0. Then, you subtract 16.5 from that. Then, add 12.45 to that number to get the answer after the diver rose 12.45 feet.

0-25.65= -25.65

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3 years ago
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cluponka [151]

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6 0
2 years ago
Writing algebraic expressions for: A number decreased by 5 is 12
snow_lady [41]

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hope this helps

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For their CD collections, Alan, Tom, and Barbara have a total of 52 CD’s. If Barbara had 6 more, then she would have as many a
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