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Mazyrski [523]
3 years ago
8

If ƒ(x) = 4x – 11, what is the value of ƒ(5)? A. 20x – 55 B.34 C.9 D.4

Mathematics
1 answer:
Kaylis [27]3 years ago
6 0

Answer:

D.9 hope this helps

Step-by-step explanation:


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You are planning to take a group of friends to the movies for your birthday. The local movie theater charges $12.99 per person.
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The answer is 6 People. You make the two equations first 12.99x and 8.99x+20. And then make them equal each other 12.99x = 8.99x+20. Then you use algebra to solve for the x and you get an answer of 5. That is the number of people that would cause the two prices to break even (be the same price). So in order for the group rate to be the better deal you need 6 people to attend.
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Based on the markings which lines or segments must be parallel? Justify your answer
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3 years ago
I need help please Solve the problems! CHECK PICTURE FOR QUESTION
aksik [14]

Check the picture below.

we know that AL is an angle bisector, so the angle at A gets cuts into two equal halves, we also know the angle at B is 30°, so the triangle ABC is really a 30-60-90 triangle, meaning the angle at A is really a 60° angle, cut in two halves gives us 30° and 30° as you see in the picture.

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2 years ago
Persons taking a​ 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a
mihalych1998 [28]

Answer:

y = 4.125x + 496.25

Step-by-step explanation:

Set the data up as points. Then deal with the points.

Givens

(30,620)

(70,785)

y2 = 785

y1 = 620

x2 = 70

x1 = 30

Formula

Slope = (y2 - y1) / (x2 - x1)

Solution

Slope = (785 - 620)/(70 - 30)

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===================

Now you need the y intercept. Either one of the two given points will give you that.

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620 - 123.75 + b

b = 496.25

5 0
3 years ago
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