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2 years ago

H(x) = 3x - 5, g(x) = -2x^2 + 2x find h(g(x-1))

Mathematics

1 answer:

Brums [2.3K]2 years ago

4 0

Step-by-step explanation:

You'll get a quadratic equation so if the question allows, use your calculator to find the answer. Sorry if my writing is messed up

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On a standardized exam, the scores are normally distributed with a mean of 300 and

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3 years ago

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4 years ago

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Need Help ASAP!!.

mihalych1998 [28]

Answer:

Part 1) Greta's right, the triangle is incorrect.

Part 2) $34,203\ ft$

Part 3) The height of the tree is $23.3\ ft$ , Trey’s house is not at risk

Step-by-step explanation:

Part 1) we know that

In the right triangle of the figure

$sin(30\°)=\frac{1}{2}$

$sin(30\°)=\frac{6\sqrt{3}}{12}=\frac{\sqrt{3}}{2}$

Compare

$\frac{1}{2}\neq\frac{\sqrt{3}}{2}$

therefore

The triangle is not correct

Because

The side adjacent to the 30 degree angle should be $6\sqrt{3}$ and the side opposite the 30 degree angle should be $6$

Part 2)

Let

x--------> the distance from the airplane to the SCCA (hypotenuse of the right triangle)

we know that

$sin(17\°)=\frac{10,000}{x}$

$x=\frac{10,000}{sin(17\°)}$

$x=34,203\ ft$

Part 3)

Let

x--------> the height of the tree

we know that

$tan(43\°)=\frac{h}{25}$

$h=tan(43\°)(25)=23.3\ ft$

$23.3\ ft< 25\ ft$

therefore

Trey’s house is not at risk

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4 years ago

A ticket originally cost $20, but it's price decreases by 20%

alex41 [277]

Answer:

$16

Step-by-step explanation:

20% is the same as 0.2 in decimal form, since its decreasing you multiply $20 by 0.8 to get 16. If it was increasing, it would be 20 times 1.2

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3 years ago

Read 2 more answers

What is the area of a rectangle that measures 3√5-4√2 by √125?

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3 years ago