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3 years ago

Solve for x 4x - 3 = 6x + 2 ?

Mathematics

1 answer:

marissa [1.9K]3 years ago

4 0

Answer:

x = -5/2

Step-by-step explanation:

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12. Cr

Zigmanuir [339]

The converted the percentage to a decimal the wrong way.

Move the decimal point 2 places to the left.

6.5% as a decimal is 0.065

525.05 x 0.065 = 34.13

X = 34.13

4 0

3 years ago

PLEASE HELP WITH QUESTION THANK U

Darya [45]

What question I didn't get it

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2 years ago

12345678910

Dafna11 [192]

Answer:

The answer is c) y= 1.8(2.5)^x

Step-by-step explanation:

I just took the test.

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3 years ago

Read 2 more answers

If Ahmed runs 10Km in 30 minutes what is his speed in km per hr?

vlabodo [156]

Answer:

20k

Step-by-step explanation:

if he can run 10k in 30 minutes, and 30 minutes is 1/2 of an hour, then you can say that he can run 10k(2) or 20k in an hour.

6 0

2 years ago

Find the volume of the solid of revolution formed by rotating about the x--axis the region bounded by the given curves.

amm1812

Answer:

$V = \frac{8\pi}{3}$

Step-by-step explanation:

For this case we are interested on the region shaded on the figure attached.

And we can find the volume with the method of rings.

The area on this case is given by:

$A(x) = \pi [f(x)]^2 = \pi r^2 = \pi [3x]^2 = 9\pi x^2$

And the volume is given by the following formula:

$V= \int_{a}^b A(x) dx$

For our case our limits are x=0 and x=2 so we have this:

$V = \pi \int_{0}^{2} x^2 dx$

And if we solve the integral we got this:

$V= \pi [\frac{x^3}{3}]\Big|_0^{2}$

And after evaluate we got this:

$V=\pi [(\frac{8}{3} )-(\frac{0}{3} )]$

$V = \frac{8\pi}{3}$

3 0

2 years ago