3 years ago

What is the slope of the line?

1 answer:

4 0

The answer Would be C) -1. because of the equations y2-y1 and x2-x1
The answer would 7/-7 therefore when you simplify the number it would be -1.
Hope this helped :)

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Gravel is being dumped from a conveyor belt at a rate of 15 ft3/min, and its coarseness is such that it forms a pile in the shap

gayaneshka [121]

Answer:

0.13 ft/min

Step-by-step explanation:

We are given that

$\frac{dV}{dt}=15ft^3/min$

We have to find the increasing rate of change of height of pile when the pile is 12 ft high.

Let d be the diameter of pile

Height of pile=h

d=h

Radius of pile,r= $\frac{d}{2}=\frac{h}{2}$

Volume of pile= $\frac{1}{3}\pi r^2 h=\frac{1}{12}\pi h^3$

$\frac{dV}{dt}=\frac{1}{4}\pi h^2\frac{dh}{dt}$

h=12 ft

Substitute the values

$15=\frac{1}{4}\pi(12)^2\frac{dh}{dt}$

$\frac{dh}{dt}=\frac{15\times 4}{\pi(12)^2}$

$\frac{dh}{dt}=0.13ft/min$

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3 years ago

Royce drove 42 miles in 60 minutes. at this rate, how far will royce travel in 1 minute

luda_lava [24]

0.7 miles

Explanation:
42/60 = 0.7

4 0

2 years ago

4. A lampshade is in the shape of a cone. The radius iš 7 inches and the height 9

dsp73

Answer:

461.8

Step-by-step explanation:

V=(1/3) πr^2h

V=(1/3)π(7^2)9

V=461.8

Sorry inputed wrong in calculator first time

3 0

2 years ago

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If Kara's cat weighs 15 pounds and Molly's cat weighs 8 pounds, how much heavier is Kara's cat than Molly's cat? 7

marta [7]

Answer:

7 pounds

Step-by-step explanation:

4 0

2 years ago

I need help with this.

ollegr [7]

Answer:

Step-by-step explanation

12 inches in 1 foot.

2.54 cm in 1 inch.

5x 12=60 inches

60 +4=64inches.

64 x 2.54=162.56 cm

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2 years ago

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