3 years ago

Who am I if you multiply me by -3 and add 12 the result is -48

Mathematics

2 answers:

crimeas [40]3 years ago

3 0

Answer:

you would be 20

Step-by-step explanation:

easy peasy

IceJOKER [234]3 years ago

3 0

Answer:9

Step-by-step explanation: You would have to simpilify to 9

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2 years ago

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−

irakobra [83]

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2 years ago

The width of a rectangle is 3 less than twice its length. if the area of the rectangle is 193 cm 2 cm2, what is the length of th

sineoko [7]

W=2L-3
W*L=193
replace W with 2L-3: (2L-3)L=193
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Cannot factor
are you sure the numbers are correct?
If it cannot be factored, use the quadratic formula to find out L, then you can find out W
use the Pythagorean theorem to find the diagonal. I don't see an easier way.

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3 years ago

The circumference of a standard bowling ball is about 27 in. To the nearest unit, how many square inches is the surface area of

Sidana [21]

The surface area of a sphere is $S=4 \pi r^{2}$ where r is the radius;
The circumference is $2 \pi r=27 in$ so that $r= \frac{27}{2 \pi }=4.5 in$ using this value we can evaluate the surface area of 1 ball as:
$S=4 \pi r^{2} =4 \pi (4.5)^{2} =254.3 in^{2}$
For 100 ball you get: $100*254.3=25430 in^{2}$

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2 years ago