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Elan Coil [88]
3 years ago
6

Find (fog)(x) and (gof)(x) f(x) = 8x-5, g(x) = 10 - 2xhelp please ​

Mathematics
1 answer:
igomit [66]3 years ago
8 0

Answer:

(fog)(x) = f( \: g(x) \: ) \\  = 8(10 - 2x) - 5 \\  = 80 - 16x - 5 \\  =  - 16x + 75

(gof)(x) = g( \: f(x) \: ) \\  = 10 - 2(8x - 5) \\  = 10 - 16x + 10 \\  =  - 16x + 20

I hope I helped you^_^

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Need some help!<br> please be specific on how to do it
Katyanochek1 [597]

Answer:

Your first step in solving the system would be to substitute the value of a variable into one of the equations

Step-by-step explanation:

We know that x = 2y + 2 and y = -1/3x + 4, so we could insert one of these values as the variable in one of the equations

If we were to insert -1/3x + 4 for y, our new equation would be:

x = 2(-1/3x + 4) + 2 (as you can see, the value of y was inserted into the equation)

4 0
2 years ago
A bag contains 50 lottery balls, numbered 1-50. A ball is chosen at random, then a month of the year is selected. What is the pr
Morgarella [4.7K]

Answer:

4/75

Step-by-step explanation:

We have two sample spaces

1.Lottery balls

2. Month of the year

For lottery balls the sample space is S= 50

Multiples of 3 between 1 and 50 are

(3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48)= 16 in numbers

Hence the probability of choosing a multiple of 3

Pr(multiple of 3) = 16/50= 8/25

Also the sample space for months of the year is S= 12

Two months starts with letter m, March and may

Pr(of months with m) = 2/12= 1/6

the probability of choosing a multiple of 3 and a month starting with the letter M= 8/25*1/6= 8/150= 4/75

6 0
3 years ago
What is the volume of a cube that has a face diagonal of 5 centimeters
Marat540 [252]
<span>Formula for volume of cube: V = a³
</span>V = (5)³ = 5<span> × </span>5<span> × </span><span>5 = 125 cm</span>³
8 0
2 years ago
Round 4358 to the nearest thousand
iren2701 [21]
The answer is 4,000.
5 0
3 years ago
Read 2 more answers
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hoa [83]

Answer:

(9,20)

Step-by-step explanation:

9 and 20 together... (9,20)

8 0
2 years ago
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