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2 years ago

How to turn Standard Form (-2x + 3y = -12) to Point-slope Form?

Mathematics

1 answer:

IgorC [24]2 years ago

5 0

It would be a slope of -2.

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Your cousin gave you $0.72 with which to buy a gift. This covered 9/10 of the cost. How much did the present cost?

Helga [31]

Answer:

$0.80

Step-by-step explanation:

percent times the original number equals the part

(%)(start or total cost)= (part of the total cost). you need to know the total cost, so you would fill in the part and the percent. 0.9x=0.72. you use x because you don't know what the total cost is. then you divide both sides by 0.9 to get x by itself and you get that x = 0.8, meaning that the present costs $0.80.

5 0

3 years ago

Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] y = ta

Irina-Kira [14]

Answer:

The inner function is $u = \pi x$ .

The outer function is $f(u) = \tan{u}$ .

$\frac{dy}{dx} = y^{\prime} = \sec^{2}(u)*\pi = \pi\sec^{2}{\pi x}$

Step-by-step explanation:

The inner function is the one we apply the outer function to.

$y = \tan{\pi x}$

We apply the outer function tangent to $\pi x$ .

So, the inner function is $u = \pi x$ .

The outer function is $f(u) = \tan{u}$ .

The derivative of a compositve function

$y = f(u)$ in which $u = g(x)$ is given by the following function.

$y^{\prime} = f^{\prime}(u)*g^{\prime}(x)$

$f(u) = \tan{u}$

$f^{\prime}(u) = \sec^{2}{u}$

$u = g(x) = \pi x$

$g^{\prime}(x) = \pi$

$y^{\prime} = f^{\prime}(u)*g^{\prime}(x)$

$\frac{dy}{dx} = y^{\prime} = \sec^{2}(u)*\pi = \pi\sec^{2}{\pi x}$

7 0

2 years ago

X + 4 = 40 X = 44 23 = x - 6 X = 29

valentinak56 [21]

1. X = 36

2. X = 29

7 0

9 months ago

Need help :///////:::::/:/:/:/:::/://:::///:://:;://::::

xz_007 [3.2K]

Answer:

A kite with a 100 foot-long string is caught in a tree. When the full length of the string is stretched in a straight line to the ground, it touches the ground a distance of 30 feet from the bottom of the tree. Find the measure of the angle between the kite string and the ground.

17°

27°

63°

73°

Step-by-step explanation:

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2 years ago

OKAYYYY LAST QUESTION BEFORE MY LAPTOP DIES

Free_Kalibri [48]

Answer: D

Two sides are equal all angles smaller than. Right angle makes them acute

Step-by-step explanation:

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3 years ago

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