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GaryK [48]
3 years ago
12

I need help with this ​

Mathematics
1 answer:
AnnyKZ [126]3 years ago
8 0

Answer:

A'(-6, 6) and B'( 9, 6), D( -1, 1) and C( 1.5 , 1)

Step-by-step explanation:

Part A: dilation factor of 3 means you will multiply the given coordinates by 3 so

is given A(-2, 2) and B( 3, 2) and this will become A'(-2*3, 2*3) and B'( 3*3, 2*3)

A'(-6, 6) and B'( 9, 6)

Part B: dilation factor of  \frac{1}{2} you multiply thhe coordinates by this number so

A(-2, 2) and B( 3, 2) will become D( -2*(1/2), 2*(1/2)) and C( 3*(1/2), 2*(1/2))

D( -1, 1) and C( 3/2, 1)

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Calculus help needed!
mezya [45]

f(x)=\ln x\\\\g(x)=\ln11x=\ln11+\ln x\ \ (\ln11=const.)\\\\h(x)=\ln x^2=2\ln x\\\\p(x)=\ln3x^2=\ln 3+\ln x^2=\ln3+2\ln x\ \ (\ln3=const.)

Used:

\ln a+\ln b=\ln(ab)\\\\\ln a^n=n\log a


Functions have the same derivatives if they differ a constant.

h(x) = f(x); g(x) = f(x) + const.

h'(x) = f'(x)

g'(x) = (f(x) + const.)' = f'(x) + (const.)' = f'(x) + 0 = f'(x)

h'(x) = g'(x)


Therefore yuor answer is A. f'(x)=g'(x)



f'(x)=(\ln x)'=\dfrac{1}{x}\\\\g'(x)=(\ln11x)=\dfrac{1}{11x}\cdot11=\dfrac{1}{x}

Used:

(\ln x)'=\dfrac{1}{x}\\\\f'(g(x))=f'(g(x))\cdot g'(x)

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3 years ago
2 Barbie is thinking of a number.
arlik [135]

Answer:

I think -4

Step-by-step explanation:

20- 1/3of 72

I hope I am right and it helps you!

7 0
4 years ago
Read 2 more answers
The variable z is directly proportional to x. When x is 11, z has the value 44. What is the value of z when x = 21?
dimulka [17.4K]

Directly proportional, both increase/decrease, Multiple k(constant you needed to solve for)..

Inversely --one increases as the other decreases, increase the denominator & fraction gets smaller.... So

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5= k(15)/(9). Undo ÷9, ×9 both sides

45= k(15). Now undo ×15 by ÷15 both sides

45/15 = 3. So k=3, (also called your constant of variation)....and your Equation/Proportion becomes...

Z = 3X/Y

Use the new #s.... X=23, Y=14

Z= 3×23÷14 = 69/14. If they want spirochete answer divide and round to corresponding # if decimals

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What % of 6 dollars = $3
Annette [7]

Answer:

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Step-by-step explanation:

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Please help me find the value of X.
Nana76 [90]
I hope this helps you

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