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SCORPION-xisa [38]
3 years ago
11

Raffle tickets are being sold for a fundraiser. The function a(n) relates the amount of money raised to the number of tickets so

ld, n. 
It takes as input the number of tickets sold and returns as output the amount of money raised. 

a(n) = 3n – 15 

Which equation represents the inverse function n(a), which takes the money raised as input and returns the number of tickets sold as output?
Mathematics
2 answers:
Ronch [10]3 years ago
8 0

Answer:

n (a)=a+15/3 apex

Step-by-step explanation:

Vladimir [108]3 years ago
7 0
If the function is
A(n) = 4n -25

and we wish to get the inverse function N(a)

We let
A(n) = a
n = N(a)

Plugging in the values
a = 4 N(a) - 25

Arranging the equation:
4 N(a) = a + 25
N(a) = (a + 25) /4

The answer is
N(a) = (a + 25) /4
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4/7 - x = 6/35 what is x? how do I determine the answer?
vivado [14]
4/7 - x = 6/35

You're trying to get x by itself, so you have to subtract 4/7 from both sides.

-x = 6/35 - 4/7

You need both of the fractions to the right of the equal sign to have the same denominator so that we could simplify them, so multiply 5/5 to -4/7.

-4 /7 × 5/5 = -20/35

So, our new equation is :

-x = 6/35 - 20/35

Simplify.

-x = -14/35

Divide both sides by -1.

x = 14/35

Divide by 7.

x = 2/5

~Hope I helped!~
7 0
4 years ago
Daryl opens his shop at 8:30 AM and closes it at 7:50 PM. How long is the shop open?
slava [35]

Answer:

11 hours 20 minutes

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
0.8(5x+15)=2.6-(x+3)
elena55 [62]
0.8(5x + 15) = 2.6 - x + 3   Use the Distributive Property
       4x + 12 = 2.6 - x + 3   Combine like terms (2.6 and 3)
       4x + 12 = 5.6 - x         Add x to both sides
       5x + 12 = 5.6              Subtract 12 from both sides
              5x = -6.4             Divide both sides by 5
                x = -1.28
4 0
4 years ago
Help please decimals in expanded form
Ahat [919]

Answer:

1/ (2×1)+(7×1/10)

2/ (6×1)+(3×1/10)+(5×1/100)

3/ (4×10)+(2×1)+(6×1/100)

4/ (4×100)+(3×1)+(7×1/10)+(2×1/100)

7 0
3 years ago
The weight distribution of a vehicle specifies that the front wheels carry 55% of the weight. If a certain vehicle weighs 3890 l
mario62 [17]

Answer:

2,139.5 lbs

Step-by-step explanation:

A certain vehicle weighs 3,890 lbs.

The front wheels carry 55% of the weight.

Then,

3,890 lbs - 100%

x lbs - 55%

Write a proportion:

\dfrac{3,890}{x}=\dfrac{100}{55}

Cross multiply:

100x=55\cdot 3,890

100x=213,950\\ \\x=2,139.5

8 0
3 years ago
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