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Otrada [13]
3 years ago
13

K=am+3mx solve for m

Mathematics
1 answer:
klemol [59]3 years ago
7 0
M is equal to the value m
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The area of a circular sun spot is growing at a rate of 1,200 km2/s.
Tpy6a [65]
A)

\bf \textit{area of a circle}\\\\
A=\pi r^2
\\\\\\
\cfrac{dA}{dt}=\pi \cdot 2r\cfrac{dr}{dt}\implies \cfrac{dA}{dt}=2\pi r\cfrac{dr}{dt}\implies \cfrac{\frac{dA}{dt}}{2\pi r}=\cfrac{dr}{dt}\\\\
-----------------------------\\\\
\left. \cfrac{dr}{dt}  \right|_{r=3000}\implies \cfrac{1200}{2\pi \cdot 3000}=\cfrac{dr}{dt}\\\\

B)

\bf A=\pi r^2\qquad A=490000\implies 490000=\pi r^2\implies \sqrt{\cfrac{490000}{\pi }}=r
\\\\\\
\left. \cfrac{dr}{dt}  \right|_{r=\sqrt{\frac{490000}{\pi }}}\implies \cfrac{1200}{2\pi \cdot \sqrt{\frac{490000}{\pi }}}=\cfrac{dr}{dt}

8 0
3 years ago
Solve by quadratic formula:<br> 3x^2 - 10x - 20= 0
Arlecino [84]

this is your answer, i hope this helps you

5 0
3 years ago
URGENT!! Really need help on this test
Katyanochek1 [597]

Answer:

G= L &M

H=L &M

K=P&N

J=P&N

7 0
3 years ago
4. Identify the conclusion of the following conditional: A number is divisible by 3 if the sum of the digits of the number is di
statuscvo [17]
X/3+x/3 that is the form of it i think
4 0
3 years ago
which of the following answer choices describes all the transformation found in the cubic function f(x)=-(x+2)3-5
Alona [7]
The cubic function is f(x) = x^3

You need to perform three transformations to the cubic function to obtain
f(x) = - (x + 2)^3 - 5.

Those transfformations are:

1) Shift f(x) = x^3,  2 units leftward to obtain f(x) = (x + 2)^3

2) reflect f(x) = (x + 2)^3 across the x-axis to obtain f(x) = - (x + 2)^3

3) shift f(x) = - ( x + 2) ^3, 5 units downward to obtain f(x) = - (x + 2)^3 - 5
8 0
3 years ago
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