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3 years ago

Solve for v . =−16 − 47v

1 answer:

5 0

I'm pretty sure this is what you have to do;
v=-16-47v
add 47v on the other side of the equal sign
47v=-16
then divide 47 on each side of the equal sign
47v÷47v=1v or just v
-16÷47=-0.3
v=-0.3
I think this is right.
Hope this helps

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A boy who is 3 feet tall can cast a shadow on the ground that is 7 feet

suter [353]

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3 years ago

If the measure of angle 5 is (11 x minus 14) degrees and x = 6, which expression could represent the measure of angle 2? 3 lines

ella [17]

Answer:

(A) (8 x + 4) degrees

Step-by-step explanation:

$m \angle 5 =(11x-14)^\circ\\x=6\\m \angle 5 =(11(6)-14)^\circ=(66-14)^\circ=52^\circ\\m \angle 5 =m \angle 2$ (Vertically Opposite Angles)$

Out of the options, the one which gives a result of 52 degrees could represent the measure of angle 2.

$(A)(8 x + 4)^\circ=(8(6) + 4)^\circ=(48+4)^\circ=52^\circ\\(B)(9x+2)^\circ=(9(6) + 2)^\circ=(54+2)^\circ=56^\circ\\(C)(20x + 8)^\circ=(20(6) + 8)^\circ=(120+8)^\circ=128^\circ\\(D)(18 x + 20)^\circ=(18(6) + 20)^\circ=(108+20)^\circ=128^\circ$

We can see that only Option A gives a result of 52 degrees. Therefore, it can represent the measure of angle 2.

3 0

3 years ago

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3 years ago

Simplify − 2 x × 2 x × x

shepuryov [24]

Answer:

-4x^3 (negative four x cubed)

Step-by-step explanation:

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3 years ago

Find the equation of the tangent line of y = 3x2 at x =2.

Fantom [35]

Answer:

Step-by-step explanation:

I will ASSUME you mean y = 3x² at x = 2

The derivative of an equation is the slope the curve at any given point

y' = 6x

so our line slope at x = 2 is 6(2) = 12

at x = 2, y = 3(2²) = 12

so (2, 12) is a point on the line (the point of tangency)

plugging into our slope equation

y = 12x + b

12 = 12(2) + b

b = -12

So the equation of the line tangent to y = 3x² at x = 2 is

y = 12x - 12

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3 years ago