3 years ago

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.

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3 years ago

Answer the question please and thank you!

ratelena [41]

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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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3 years ago

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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

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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.

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Solving this, we get:

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3 years ago

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