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Kaylis [27]
4 years ago
14

Find the inverse of Function F. F(x)=9x+7

Mathematics
1 answer:
matrenka [14]4 years ago
7 0

Answer:

x - 7/9 = f(x)^-1

Step-by-step explanation:

f(x) = 9x + 7

y - 7 = 9x

y - 7/9 = 9x/9

Interchange!

x - 7/9 = y

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Fractions and Mixed numbers:
LiRa [457]
28/8 = 3 remainder 4 so 3 4/8(fraction) or 3 1/2
You would want to divide the minutes to the songs so you can find out how long one song is, but sense there was a remainder you could turn it into a fraction or you could keep diving. In this case you would want to stop. To find the fraction here is a formula the divisor is the denominator, the numerator is the remainder and the whole number is the number you get that is behind the remainder
3 0
3 years ago
An airplane is flying at a velocity of 500 miles per hour due north when it encounters a wind blowing out of the west at 50 mile
Y_Kistochka [10]
V 1 = 500 mph,
v 2 = 50 mph
The resultant velocity:
v r² =  v 1 ² + v 2 ²
v r ² = 500² + 50² = 250,000 + 2,500 = 252,500
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5 0
3 years ago
(x-3)^2+x(x+9) simplify the expression
Sunny_sXe [5.5K]

Step-by-step explanation:

Simplify.

<u>Include the exponent:</u>

(x-3)(x-3)+ x(x + 9)={x}^{2} - 6x + 9 + x(x+9)

<u>Use the Distributive Property:</u>

{x}^{2} - 6x + 9 + {x}^{2}  + 9x

<u>Add and format the trinomial:</u>

2{x}^{2}  + 3x + 9

4 0
2 years ago
Read 2 more answers
Help me with this problem please
gavmur [86]

Answer:

7 yards

Step-by-step explanation:

the absolute value of -2 and 2/3- 51/3 is 7

6 0
3 years ago
If 3 boys can build 12 model airplanes in a certain length of time, how many planes can 15 boys make in the same length of time
zubka84 [21]
It would be five times as many planes so 12*5=60 planes
4 0
3 years ago
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