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erma4kov [3.2K]
4 years ago
7

What is -3 the sum of 5

Mathematics
1 answer:
Ainat [17]4 years ago
6 0
The solution is 2. -3+5=2
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A hiker walked 12.8 miles from 9:00 am to noon. He walked an additional 17.2 miles from 1:00 pm. What is his average rate for th
Inessa [10]
3 miles per hour. Theres 4 hours between 9 am and 12 and another 6 from 1to 6.so ten hours. then 12.8 plus 17.8 thats 30 then 30 divided by ten is 3 miles per hour. Your welcome :)
3 0
3 years ago
Read 2 more answers
Simplify this expression
kompoz [17]
The first step for solving this problem is to know that in order to divide by a fraction,, we must multiply by the reciprocal of that fraction. This will look like the following:
\frac{x+2}{ x^{2} -6x-16} × 9x
Write -6x as a difference.
\frac{x+2}{ x^{2} +2x-8x-16} × 9x
Factor out x from x² + 2x.
\frac{x+2}{ x X (x+2)-8x-16} × 9x
Factor out -8 from -8(x + 2).
\frac{x+2}{ x X (x+2)-8(x+2)} × 9x
Factor out x + 2 from the denominator (bottom) of the expression.
\frac{x+2}{(x+2)X(x-8)} × 9x
Reduce the fraction with x + 2
\frac{1}{x-8} × 9x
Finally,, calculate the product to find your final answer.
\frac{9x}{x-8}
This means that the correct answer to your question is going to be option B.
Let me know if you have any further questions.
:)
3 0
3 years ago
What is the perimeter of the trapezoid?
Nikolay [14]

Answer:

88

Step-by-step explanation:

8x8=64

1/2(8x6)=24

64+24=88

7 0
3 years ago
I need help with area of a polygon
guajiro [1.7K]

Answer:

sure whats the picture?

Step-by-step explanation:

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On a coordinate plane, an exponential function approaches y = 0 in quadrant 1 and increases into quadrant 2. It goes through poi
iVinArrow [24]

Answer:

y=100*0.6^{x}

Step-by-step explanation:

7 0
3 years ago
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