3 years ago

What is the GCF of 42 and 48

Mathematics

1 answer:

otez555 [7]3 years ago

3 0

GCF for 42 & 48 is 6

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Given the following formula, solve for h.<br> <img src="https://tex.z-dn.net/?f=%20V%3D%20%5Cfrac%7B1%7D%7B3%7D%20%5Cpi%20r%5E%7

IgorC [24]

Multiply by the inverse of the coefficient of h.

$h=\dfrac{3V}{\pi r^2}$

3 0

3 years ago

Read 2 more answers

Solve the following equation<br> (7X3+4X2+3X+2) + (2X2+X+5)=

rjkz [21]

The way it's written it's
Simplify the following:
7 X^3 + 4 X^2 + 2 X^2 + 3 X + X + 2 + 5
Grouping like terms, 7 X^3 + 4 X^2 + 2 X^2 + 3 X + X + 2 + 5 = 7 X^3 + (4 X^2 + 2 X^2) + (3 X + X) + (2 + 5):7 X^3 + (4 X^2 + 2 X^2) + (3 X + X) + (2 + 5)
4 X^2 + 2 X^2 = 6 X^2:
7 X^3 + 6 X^2 + (3 X + X) + (2 + 5)
3 X + X = 4 X:
7 X^3 + 6 X^2 + 4 X + (2 + 5)
2 + 5 = 7:Answer: 7 X^3 + 6 X^2 + 4 X + 7

5 0

3 years ago

Complex numbers are often used when dealing with alternating current (AC) circuits. In the equation V = IZ, V is voltage, I is c

gizmo_the_mogwai [7]

$V=IZ\\\\1+i=I\cdot(2-i)\quad|:(2-i)\\\\\\I=\dfrac{1+i}{2-i}=\dfrac{(1+i)(2+i)}{(2-i)(2+i)}=\dfrac{2+i+2i+i^2}{2^2-i^2}=\dfrac{2+3i-1}{4-(-1)}=\dfrac{1+3i}{5}\\\\\\\\\boxed{I=\frac{1+3i}{5}=\frac{1}{5}+\frac{3}{5}i}$

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3 years ago

Evaluate <br> 3a^2-5b+8 when a=-2 and b=3

iVinArrow [24]

3 (-2)^2 -5 (3)+8
3 (4)-5 (3)+8
12-15+8
-3+8=5
Hope this helps :)

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3 years ago

Adam had a 5/7 liter of water he used water to fill a few glasses of water he used the water to fill a few glasses completely th

Nikolay [14]

Adam filled 2.5 glasses.
2/7 x 2.5 = 5.7

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3 years ago