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Reika [66]
2 years ago
15

Can anybody help meee

Mathematics
1 answer:
andre [41]2 years ago
6 0

Answer:

a.) f(2) = 3

b.) if f(x) = 2

x=3

Step-by-step explanation:

Here you must notice that on the graph where x is 2, y or f(x) is at 3. This means that the answer where in the function of x, where the input 2, the output or y/f(x) is 3

And if the output is 2, the input is 3 as proven above.

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Enter the slope of the line through the points (-9, -6) and (3, -9)
Inga [223]

Answer:

-1/4 slope

Step-by-step explanation:

y2 -y1 = -9 - (-6) = -3

x2-x1= 3 -9 = 12

-3/12 = - 1/4

7 0
3 years ago
A collectible car has been going up in price by 10% each year. if the car is already worth $29,000, how much will the car be
sammy [17]

The worth of the collectible car in five years if its value is going up by 10% every year would be $46,704.79

<h3>What is the worth of the car?</h3>

If the value of the  collectible car is increasing with time, it is said that the  collectible car is appreciating in value.

The formula for calculating future value with appreciation:

FV = P (1 + r)^n

  • FV = Future value
  • P = Present value
  • R = interest rate
  • N = number of years

$29,000(1.1^5) = $46,704.79

To learn more about future value, please check: brainly.com/question/18760477

3 0
2 years ago
Tammy is at the dentist's office waiting on her appointment. She notices that the 6-inch-long minute hand is rotating around the
swat32
There are 12 five minutes in one hour and 1 hour correspond to 360°, then each 5 minutes represents 360/12 = 30°

From 1:20 to 1: 55 we have 35 minutes or 7 x 5 minutes or

7 x 30° = 210° 

To convert degree into radian, we apply the following formula:

degree/180° = radian/π

210/180 = r/π or (cross multiplication) →Radian = (π x 210/180

→ Radian = 7π/6 (simplify by 30)

6 0
3 years ago
Read 2 more answers
Let X have the probability mass function P(X = −1) = 1 2 , P(X = 0) = 1 3 , P(X = 1) = 1 6 Calculate E(|X|) using the approaches
Studentka2010 [4]

Answer:

Step-by-step explanation:

From the given information:

Note that the possible values of Y are 0 and 1 because;

y = 0 if X = 0 and y = 1 if X = ±1

∴

P(Y =0) = P(X = 0) =\dfrac{1}{3}

P(Y = 1) = P(X = -1  \ or \ 1) \\ \\ = P(X = -1) + P(X = 1)

= \dfrac{1}{2}+ \dfrac{1}{6}

=\dfrac{3+1}{6}

= \dfrac{2}{3}

b)

E(|X|) = \sum |x| P(X=x) = ( 1 \times \dfrac{1}{2}) + ( 0\times \dfrac{1}{3}) + ( 1 \times \dfrac{1}{6})

= \dfrac{2}{3}

7 0
3 years ago
What segment is congruent to DE. FD,AC,AB,BC
Dahasolnce [82]
Your answer is AB. Congruent is when two sides or a shape are equal.
8 0
3 years ago
Read 2 more answers
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