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3 years ago

7

You decide that coronavirus is really boring and decide to sign up for a subscription to Netflix you must pay intial cost of $20

and then pay $8.99 every month. Form an equation for y, the total cost of your subscription for every x months.

1 answer:

aleksandrvk [35]3 years ago

7 0

Answer:
y= 8.99x + 20

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Help pls if its linear or nonlinear

pshichka [43]

Answer:

linear

Step-by-step explanation:

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3 years ago

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Alex is painting an 8 foot mural on the wall of the community center. If he has finished 1/4 of the mural, how many feet of the

slamgirl [31]

2 square feet
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Vote my brainliest!

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3 years ago

Which shows all the prime factors for 72?

Ray Of Light [21]

C. 2-2-2-3-3 because they are all prime numbers. If you have another problem like this just use the prime number tree. Hope this helps

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2 years ago

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BRAINLIEST <br>a. 7 sqrt of 2<br>b. 14<br>c. 7<br>d. 7 sqrt of 3

Alex73 [517]

Answer:

(a). 7√2

Step-by-step explanation:

7 0

2 years ago

Find the equations of the tangents to the curve y = x²-x-12 at each of the points where the curve crosses the x-axis.

poizon [28]

Step-by-step explanation:

First, find the zeroes of the parabola

${x}^{2} - x - 12$

${x}^{2} - 4x + 3x - 12$

$x(x - 4) + 3(x - 4)$

$(x + 3)(x - 4) = 0$

$x = - 3$

$x - 4 = 0$

$x = 4$

So the zeroes or where the curve crosses the x axis is at 4 and -3.

Now, we take the derivative of the function.

$\frac{d}{dx} ( {x}^{2} - x - 12) = 2x - 1$

Plug in -3, and 4 into the derivative function

$2( - 3) = - 7$

$2(4) - 1 = 7$

So at x=-3, our slope of the tangent line is -7 and must pass through (-3,0). So we use point slope formula.

$y - y _{1} = m(x - x _{1})$

$y - 0 = - 7(x - ( - 3)$

$y = - 7x - 21$

At x=4, our slope of tangent line is 7, and pass through (4,0) so

$y - 0 = 7(x - 4)$

$y = 7x - 28$

So the equations of tangent is

$y = - 7x - 21$

$y = 7x - 28$

6 0

2 years ago