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Anna11 [10]
3 years ago
8

What is the inverse of the function f(x) = 2x+1

Mathematics
1 answer:
astra-53 [7]3 years ago
5 0

The inverse is f(x)=2x-1. Because the inverse operation of addition is subtraction.

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use the substitution method to solve the system of equations. Choose the correct ordered pair. y=4x 8x+y=18
tino4ka555 [31]

Answer:

(3/2, 6)

Step-by-step explanation:

y = 4x

8x + y = 18

this says y is 4x so you can replace y with 4x

8x + 4x = 18

12x = 18

/12      /12

  x  = 3/2


now sub x into y = 4(3/2)

y = 12/2

y = 6

8 0
3 years ago
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In a randomly generated list of numbers from 0 to 6, what is the chance that
inna [77]

Answer:

1/7

Step-by-step explanation:

there are 7 number possibilities 0,1,2,3,4,5,6.

so if they each have an equal probability the answer is 1/7

8 0
3 years ago
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3 years ago
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admission to a carnival is $5 and each game at the carnival cost $0.85. you have $15 to spend on admission and games. what is th
aleksandrvk [35]
So, you have $15 in total to spend.

1. Subtract your admission fee. 15-5=10
2. Divide 10 by .85 to get the number of games you were able to play. 10 divided by .85 = 11.76
3. Now, since it says the minimum you were able to play, round to the nearest digit. 11.76=11

You were able to play a minimum of 1 game and a maximum of 11 games.
7 0
3 years ago
8. Line AB passes through A(-2,4) and B(-8,-6).
netineya [11]

Answer:

AB : \frac{5}{3}

PT : -\frac{1}{5}

Step-by-step explanation:

The line AB passes through A(-2,4) and B(-8,-6) points.

Therefore, the slope of the line AB will be \frac{4-(-6)}{-2-(-8)} =\frac{5}{3} (Answer)

Again line PT passes through P(3,-1) and T(8,-2) points.

Therefore, the slope of the line PT will be \frac{-1-(-2)}{3-8} =-\frac{1}{5}. (Answer)

Here we have applied the formula of slope of a straight line passing through the points (x_{1},y_{1}) and (x_{2},y_{2}  ) as given by \frac{y_{1}-y_{2}  }{x_{1}-x_{2}  }.

8 0
3 years ago
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