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3 years ago

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the length of a picture frame is (8 u - 12) inches its width is 3/4 of its length. Express the width of the picture frame in ter

ms of u. Please show steps.

1 answer:

levacccp [35]3 years ago

5 0

Which set of ordered pairs contains only points that are on the graph of the function y=12-3×?

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Solve the following exponential equations. Round your answers to 3 decimal place.

In-s [12.5K]

Answer:

x=0.268

Step-by-step explanation:

$125=5e^{12x}\\125/5 = e^{12x}\\25=e^{12x}\\ln(25)=ln(e^{12x})\\ln(25)=12x(ln(e))\\ln(25)=12x\\x=ln(25)/12=0.268$

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3 years ago

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If f(x)=-4x^2-6x-1 and g(x)=-x^2-5x+3, fine (f-g)(x)

NeX [460]

Answer:

$\large\boxed{(f-g)(x)=-3x^2-x-4}$

Step-by-step explanation:

$(f-g)(x)=f(x)-g(x)$

$f(x)=-4x^2-6x-1,\ g(x)=-x^2-5x+3\\\\(f-g)(x)=(-4x^2-6x-1)-(-x^2-5x+3)\\\\(f-g)(x)=-4x^2-6x-1-(-x^2)-(-5x)-3\\\\(f-g)(x)=-4x^2-6x-1+x^2+5x-3\qquad\text{combine like terms}\\\\(f-g)(x)=(-4x^2+x^2)+(-6x+5x)+(-1-3)\\\\(f-g)(x)=-3x^2-x-4$

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3 years ago

What is the image of the point (2, 8) after a rotation of 270 counterclockwise about the origin ?

jok3333 [9.3K]

Answer:

(8,-2)

Step-by-step explanation:

x and y switch places and x's sign is changed

6 0

3 years ago

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What is the measure of angle x, In degrees?<br><br> Helps please!!

Mars2501 [29]

Because segments XY and XZ are of equal length, angle Y and angle Z must be congruent.

All inner angles must add to 180 degrees since it's a triangle.
70+70+x=180
140+x=180
x=40

Final answer: D

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3 years ago

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THE WHEELS ON THE TRUCK GOOOOO.......?

kifflom [539]

Up and down up and down up and down

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2 years ago

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