2 years ago

Select all that applies!

Mathematics

1 answer:

Serhud [2]2 years ago

7 0

Answer:

Step-by-step explanation:

Because there is constant term 4 in the question, but there is no any such constant term in the given options.

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Of the four choices given, which two, when written as a system, have a solution of (–4, 5)? the options and A), B), C), and D) a

Oksi-84 [34.3K]

Yes it sure is A! Even though I’m not answering the question I’m sorry but I’m going by what the person before me just said so I believe them! Hope this helps!

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1 year ago

This is right...A is wrong.

Kipish [7]

Answer:

Answer: I don't know ...

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2 years ago

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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2 years ago

A square has an area of 36 cm. how long is one of its sides?

Leokris [45]

The correct answer would be 6.

To figure this out, you take the square root of 36 since area of a square is side x side.

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2 years ago

Find the equation of the line with slope = 2 and y-intercept = -8.

elena-s [515]

Answer: d

Step-by-step explanation:

Using the linear equation y=mx+b, you are given m (the slope) and b (the y-intercept). m=2 and b=-8. Therefore, y=2x-8

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2 years ago