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VARVARA [1.3K]
3 years ago
13

If f(x) = 8 – 10x and g(x) = 5x + 4, what is the value of (fg)(-2)?

Mathematics
1 answer:
Shkiper50 [21]3 years ago
6 0

Answer:

68

Step-by-step explanation:

I'm going to assume you meant "what is the value of f(g(-2))?"

g(-2) = 5(-2) + 4 = -6

f(-6) = 8 - 10(-6) = 68

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PLEASE LOOK AT PHOTO! WHOEVER ANSWERS CORRECTLY I WILL MARK BRAINIEST!!
inn [45]

Answer:

m < 1 = 18°

Step-by-step explanation:

If <ABD = 72°, and m < 2 is three times the measure of m < 1, then:

Let < ABC = m < 1 =  x

     < CBD = m < 2 = 3x

We can set up the following formula, since the sum of the measures of angles < 1 and < 2 is equal to <ABD (72°):

m < 1 + m < 2 = < ABD

x + 3x = 72°

Add like terms:

4x = 72°

Divide both sides by 4 to solve for x:

\frac{4x}{4} = \frac{72}{4}

x = 18

Since x = 18, and m < 1 = x , then m < 1 = 18°.

And since m < 2 = 3x, then m < 2 = 3(18°) = 54°.

Let's check to see whether we derived the correct answers by plugging in the values of m < 1 and m < 2 into the established formula:

m < 1 + m < 2 = < ABD

18° + 54° = 72°

72° = 72° (True statement).

Please mark my answers as the Brainliest if my explanations were helpful :)

7 0
2 years ago
Please help asap 50 pts
grigory [225]
|-1/5| < |-1/3| < |-7|

Your answer:

B. y = -1/5 x^2; y = -1/3 x^2; y = -7x^2

Look at the picture.

5 0
2 years ago
Whenever Nicole rents a movie from iTunes, the probability that it will be a comedy is 52%. Of the next seven movies she rents,
charle [14.2K]

Answer:

(0.48)^7+(0.52)(0.48)^6+(0.52)^2(0.48)^5

Step-by-step explanation:

Given: the probability that the movie rented by Nicole will be comedy is 52%.

To find:  the probability that she rents NO MORE THAN two comedies

Solution:

Probability refers to chances of occurrence of some event.

Probability that the movie rented by Nicole will be comedy = 52% = 0.52

Probability that the movie rented by Nicole will not be comedy = 100% - 52% = 48% = 0.48

Probability that she rents NO MORE THAN two comedies = Probability that she rents no comedy movie + Probability that she rents one comedy movie + Probability that she rents two comedy movies

= =(0.48)^7+(0.52)(0.48)^6+(0.52)^2(0.48)^5

8 0
3 years ago
5 out of every 8 students live in a college dorm. How many of the 30 students are likely to live in a college dorm?
GaryK [48]

Approximately 19 students are likely to live in a college dorm out of every 30 students.

3 0
3 years ago
Rita’s class begins social studies at ten minutes before one in the afternoon. At what time does Rita’s class begin social studi
Komok [63]
Subtract 10 minutes from 1:00.

1:00 - 0:10 = 12:50

Since it's in the afternoon, the correct answer is 12:50 p.m
5 0
2 years ago
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