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77julia77 [94]
3 years ago
9

Simplify the expression 2.1(4.5x)

Mathematics
1 answer:
alexandr402 [8]3 years ago
5 0
The answer is 94.5x because you have to multiply 2.1 times 4.5
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What is the slope of the line that passes through the points M (-3,5) and N (1,8)
zysi [14]

Answer:

m=3/4

Step-by-step explanation:

See the attached above.

Hope it helps :)

4 0
3 years ago
Answer the question please and thank you!
ratelena [41]
-62% ,-3\5 , 0.4 ,44%
7 0
3 years ago
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What is the average rate of change of f over the interval [-1, 4] Give an exact number.
Sonbull [250]

Answer:

  1.4

Step-by-step explanation:

The average rate of change is the "rise" divided by the "run".

  rise/run = (f(4) -f(-1))/(4 -(-1)) = (0 -(-7))/(4+1)

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The average rate of change on the interval [-1. 4] is 1.4.

3 0
3 years ago
HELP ASAP THIS IS STRESSING ME OUT!
Alex73 [517]
The surface area of a right cylinder is the sum of the areas of the lateral face and the circular bases. The lateral face is really just a rectangle with the same height as the cylinder and a length equal to the circumference of the circular base.

If the radius of the base is r and the height is h, then the surface area of the cylinder is

A=2\pi r^2+2\pi rh

You're given that the area is 96\pi and the radius is 4, so you have

96\pi=2\pi\times4^2+2\pi\times4h\implies 12=4+h\implies h=8
6 0
3 years ago
Shania drove on the interstate for 310 miles without stopping. If she traveled at a constant rate and the trip took her 5 hours,
sp2606 [1]

Answer:

62 miles per hour/62 mph

Step-by-step explanation:

Shania drives at a CONSTANT rate, which means in the 5 hours it took her to drive, each hour she drove the same amount.

So we need to do 310 miles in 5 hours, which is:

310/5

Solving this, we get:

62

The answer is 62 miles per hour.

Happy learning!

4 0
3 years ago
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