3 years ago

WHAT IS 2x+5x equal to in a graph form

Mathematics

1 answer:

Nikitich [7]3 years ago

3 0

Your answer is 7x...

It's just like, 2 + 5 with a(n)'x' added to it

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How to solve for the variable which is r

devlian [24]

I think, not 100% sure, but I think it is square root (A/4pi)=r

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2 years ago

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A computer programmer earned $1043 a week last year. What was her yearly salary?

Arturiano [62]

1043
x 52
--------
2086
52150
----------
54236

He/She will earn $54,236 a year

5 0

3 years ago

The area of a circular oil slick on the surface of the sea is increasing at a rate of [150m^2/s] how fast is the radius changing

Akimi4 [234]

Answer with Step-by-step explanation:

We are given that

$\frac{dA}{dt}=150m^2/s$

a.Radius =25 m

We have to find rate of change of radius.

We know that

Area of circle, $A=\pi r^2$

Differentiate w.r.t time

$\frac{dA}{dt}=2\pi r\frac{dr}{dt}$

Substitute the values then we get

$150=2\pi (25)\frac{dr}{dt}$

$\frac{dr}{dt}=\frac{150}{50\pi}=\frac{3}{\pi} m/s$

$\frac{dr}{dt}=\frac{3}{\pi} m/s$

b.A= $1000m^2$

Substitute the values then we get

$1000=\pi r^2$

$\pi=3.14$

$r^2=\frac{1000}{3.14}$

$r=\sqrt{\frac{1000}{3.14}}=17.8m$

$\frac{dA}{dr}=2\pi r\frac{dr}{dt}$

Substitute the values then we get

$150=2\pi(17.8)\frac{dr}{dt}$

$\frac{dr}{dt}=\frac{150}{2\pi(17.8)}=\frac{150}{35.6\pi}$ m/s

$\frac{dr}{dt}=\frac{75}{17.8\pi}$ m/s

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2 years ago

$1,300 at 5% for 6 years

ExtremeBDS [4]

Answer: 1,300.00 I think

6 0

2 years ago

How do you you do this? can you show your work in the answer to pls? thx

timofeeve [1]

Hope this helped. Comment or message me if you have any questions:) please mark as brainliest

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3 years ago