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a_sh-v [17]
3 years ago
15

Click the picture for the question thank u n

Mathematics
2 answers:
alexgriva [62]3 years ago
7 0

Answer:

y = - 27

Step-by-step explanation:

Given

g(x) = - 7f(x) + 8

      = - 7(- x² + 9) + 8

      = 7x² - 63 + 8

      = 7x² - 55

Thus

g(- 2) = 7(- 2)² - 55 = 7(4) - 55 = 28 - 55 = - 27

Thus ordered pair is (- 2, - 27 )

Elza [17]3 years ago
4 0

Answer:3

Step-by-step explanation:

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Write the equation of the line perpendicular to y = -3/4x that passes through the point (3,-8)
arlik [135]

Answer:

y = \frac{4}{3} x - 12

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - \frac{3}{4} x ← is in slope- intercept form

with slope m = - \frac{3}{4} , c = 0

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-\frac{3}{4} } = \frac{4}{3} , then

y = \frac{4}{3} x + c ← is the partial equation

To find c substitute (3, - 8) into the partial equation

- 8 = 4 + c ⇒ c = - 8 - 4 = - 12

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4 0
3 years ago
A 100 ft. building casts a 300 ft. Shadow from the sun. What is the angle of depression?
Usimov [2.4K]

It is 838

Step-by-step explanation:

7 0
3 years ago
Help.... and thanks
Archy [21]

Answer:

π

Step-by-step explanation:

The *period* of a function is the length it takes before it repeats. Usually, the period of the sine function is 2π; it takes a full rotation around the unit circle for it to repeat. When we replace the input x with -2x, this does a few things:

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- Makes the rotation go twice as fast

If we rotate around the unit circle twice as fast, it’ll take us half of 2π, or just π to complete a cycle.

6 0
3 years ago
Help me please don’t understand
Nina [5.8K]

Use order of operations, or PEMDAS which stands for Parenthesis, Exponent, Division, Addition, and Subtraction.

Do those operations in that order. Can you try?

What will be the first thing you do here, according to PEMDAS?

5 0
3 years ago
Graph the line with slope -2/3 passing through the point (2,1)
nalin [4]
Find the y-intercept then graph it.
which is :-
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4 0
3 years ago
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