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tresset_1 [31]
4 years ago
11

Simplify the equation 10f(f+7)

Mathematics
1 answer:
finlep [7]4 years ago
8 0
10f^2+70f hope this helps..

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Which ordered pair is the solution to the system of equations? {x+3y=-12, y= 1/3x-6?
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For this, I'll be using the substitution method. Since y = 1/3x - 6, replace the y variable in the first equation with 1/3x - 6 and solve for x:

x+3(\frac{1}{3}x-6)=-12\\ x+x-18=-12\\ 2x-18=-12\\ 2x=6\\ x=3

Now that we have the value of x, plug it into either equation to solve for y:

3+3y=-12\\ 3y=-15\\ y=-5\\ \\ y=\frac{1}{3}*3-6\\ y=1-6\\ y=-5

<h3><u>In short, the solution to this equation is (3,-5).</u></h3>
5 0
3 years ago
Obtain an estimate for the following computation by rounding the numbers so that the resulting arithmetic can easily be performe
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Answer: C. Reasonable. The estimate sooms a little higher compared to the actual answer

Step-by-step explanation:

The actual answer to 359+558 is 917. On the other hand, 359 to the nearest ten is 360 while 558 to the nearest ten is 560. The addition of the numbers will be: = 360 + 560 = 920

The estimated answer is 920 while the actual number is 917. Therefore, the estimate is reasonable as the estimate sooms a little higher compared to the actual answer.

8 0
3 years ago
Math help please (question 9)<br> *theres also a hint*
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It’s 38 :) I hope it helps
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6.8 feet

Answer From Gauth Math

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