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3 years ago

7

Why are you able to find a greatest common factor but not a greatest common multiple

1 answer:

Ugo [173]3 years ago

7 0

Because you can always multiply a number infinitely, but there is a finite number of whole number factors.

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What is a pre-image??? SaberXTooth bro answer me!!!

Andrews [41]

The answer is how the image was to begin with

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3 years ago

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The diameter, D, of a sphere is 15 cm. Calculate the sphere's volume, V.

tangare [24]

Answer: 1766.3

Step-by-step explanation:

7 0

2 years ago

7(1 - y) = -3(y-2)<br> What is the answer

Fynjy0 [20]

Answer:

$\huge y = \frac{1}{4}$

Step-by-step explanation:

$7(1 - y) = -3(y-2)$

<u>Expand the terms in the bracket</u>

That's

$7 - 7y = - 3y + 6$

<u>Add 3y to both sides of the equation</u>

$7 - 7y + 3y = 3y - 3y + 6 \\ 7 - 4y = 6$

Subtract 7 from both sides by the equation

$7 - 7 - 4y = 6 - 7 \\ - 4y = - 1$

<u>Divide both sides by - 4</u>

$\frac{ - 4y}{ - 4} = \frac{ - 1}{ - 4} \\$

We have the final answer as

$y = \frac{1}{4} \\$

Hope this helps you

4 0

3 years ago

Find the derivative of the function at P 0 in the direction of A. f(x,y,z) = 3 e^x cos(yz), P0 (0, 0, 0), A = - i + 2 j + 3k

Alik [6]

The derivative of $f(x,y,z)$ at a point $p_0=(x_0,y_0,z_0)$ in the direction of a vector $\vec a=a_x\,\vec\imath+a_y\,\vec\jmath+a_z\,\vec k$ is

$\nabla f(x_0,y_0,z_0)\cdot\dfrac{\vec a}{\|\vec a\|}$

We have

$f(x,y,z)=3e^x\cos(yz)\implies\nabla f(x,y,z)=3e^x\cos(yz)\,\vec\imath-3ze^x\sin(yz)\,\vec\jmath-3ye^x\sin(yz)\,\vec k$

and

$\vec a=-\vec\imath+2\,\vec\jmath+3\,\vec k\implies\|\vec a\|=\sqrt{(-1)^2+2^2+3^2}=\sqrt{14}$

Then the derivative at $p_0$ in the direction of $\vec a$ is

$3\,\vec\imath\cdot\dfrac{-\vec\imath+2\,\vec\jmath+3\,\vec k}{\sqrt{14}}=-\dfrac3{\sqrt{14}}$

3 0

4 years ago

What is the slope of a line on a standard xy-plane that passes through the point (1,3) and (4,-3)

nexus9112 [7]

Answer:

Slope(m) = -2

Step-by-step explanation:

The line passes through (1,3) and (4,-3)

Slope(m) = change in y ÷ change in x

m = $\frac{-3 - 3}{4 - 1}$ = $\frac{-6}{3}$ = -2

8 0

4 years ago