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julsineya [31]
2 years ago
14

8. Multiply 7c? (a? + 5b + 7c). ? = To the second power

Mathematics
1 answer:
Travka [436]2 years ago
3 0
I’m not sure if this is correct but i got, 7c^2c^2 + 49c^4 + 35bc^2
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3 years ago
-2/3y-3/4=5 <br> What is the answer i need to show my work please
vodka [1.7K]

Answer:

y=  -69/8  (negative 69 over 8)

Step-by-step explanation:

First, you have to simplify both sides of the equation:

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<em><u></u></em>

<em><u>y= -69/8</u></em>

7 0
3 years ago
Corey is out on the roads doing a long run, and also doing some mental calculations at the same time. corey's pace is 3 strides
amm1812
A. 352 seconds or 5 minutes 52 seconds.
B. 320 seconds or 5 minutes and 20 seconds  
C. 27687 steps
There are 5280 feet per mile. In A, 3 strides per second at 5 feet gives us 15 ft per second. 5280/15 = 352 seconds. In B, 3 strides per second at 5.5 feet gives us 16.5 feet per second. 5280/16.5 = 320 seconds. In C, we calculate the total feet to divide by 5 per step. multiply 26 miles by 5280 to get feet per mile and multiply 385 by 3 to get the feet per yard. Add them together. then divide by 5. 26(5280) + 385(3) =138435. 138435/5 = 27687 steps
 
8 0
3 years ago
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