3 years ago

Drummer and a guitarist each wrote songs for their band. The guitarist wrote 8 fewer than

Mathematics

1 answer:

vfiekz [6]3 years ago

6 0

Answer:

g = 2d - 8

g + d = 46

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Assume that the radius rr of a sphere is expanding at a rate of 19 in./min.19 in./min. The volume of a sphere is V=43πr3V=43πr3.

djverab [1.8K]

Answer:

$744876\pi in^3/min$ .

Step-by-step explanation:

We are given that

$\frac{dr}{dt}=19 in/min$

Volume of sphere= $\frac{4}{3}\pi r^3$

$r=4 at t=0$

$dr=19 dt$

Integrating on both sides then we get

$r=19 t+C$

Substitute r=4 and t=0

$4=C$

$r=19t+4$

$\frac{dV}{dt}=4\pi r^2\frac{dr}{dt}$

$\frac{dV}{dt}=4\pi (19t+4)^2(19)$

Substitute t=5

$\frac{dV}{dt}=4\pi (19(5)+4)^2(19)$

$\frac{dV}{dt}=4 \pi (99)^2 (19)=744876\pi in^3/min$

Hence, the volume is changing at the rate of $744876\pi in^3/min$ .

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3 years ago

A box contains 60 red, blue, and green pens combined. If 35% are red and 9 are blue, what percent are green?

shusha [124]

I believe 50% are green

im not postitive on this sorry

hope it help tho :]

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3 years ago

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Tameka is seeking a loan with a simple interest rate of 8% per year. If she borrows $5,000, how much interest will she be charge

vaieri [72.5K]

Answer:

$800

Step-by-step explanation:

5000 × 8% = $400(interest in a year)

400 × 2 = $800(24 months=2years)

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A triangle has angles that measure 60°, 46°, and 74°. What kind of triangle is it?

otez555 [7]

Scalene triangle would be the correct answer for this question

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Greeley [361]

The average length for a car would be 189 inches or 15 3/4 inches.

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