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yuradex [85]
3 years ago
15

F(x)=4x-12 inverse of given function

Mathematics
1 answer:
Vikentia [17]3 years ago
4 0
f^-^1(x) =  \frac{1}{4} x + 3
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Can someone help me on 5?
galina1969 [7]
I think you do 5280 divided by 7.85
8 0
3 years ago
When Sandy and Allen's mother decorates the house for a holiday by herself, it takes her 5 hours. When both Sandy and Allen help
notsponge [240]

Answer:

Step-by-step explanation:

Mother=5hrs

Sandy and Allen and mother=2.5

Allen with mother=3.5

It would take sandy 5hrs coz she decorates the house herself so if u think logically it took her mother 5 hrs so it would take her.Coz its only her doing it no one else is helping!

6 0
3 years ago
Farmer frank owns a piece of grassland. The grass grows at a constant rate and each cow eats at a constant rate. 12 cows can eat
MrRa [10]

Answer: There are 36 cows that can eaten 72 acres of grass in 126 days.

Step-by-step explanation:

Let x be the amount of grass in an acre initially.

Let y be the amount of grass grown in an acre per day.

Since we have given that

12 cows can eat 10 acres of grass in 28 days

12×28  = 10x + 10×28 y

336 = 10x + 280 y----------------------------(1)

Similarly,

21 cows can eat 30 acres of grass in 63 days.

21×63  = 30x + 30×63 y

1323 = 30x +1890 y ---------------------------(2)

So, by graphing method, we get the value of x and y

x=\dfrac{126}{5},\ y=\dfrac{3}{10}

So, we have,  72 acres of grass in 126 days, we need to find the number of cows.

So, it becomes,

c×126 = 72x + 72×126 y

126c=72\times \dfrac{126}{5}+72\times 126\times \dfrac{3}{10}\\\\126x=4536\\\\x=\dfrac{4536}{126}\\\\x=36

Hence, there are 36 cows that can eaten 72 acres of grass in 126 days.

3 0
3 years ago
Rename 3 1/2 as the sum of 2 fractions
DENIUS [597]

Answer:

I think it is 2 7/2, hopefully this is it!

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Simplify 6a^2 - 2c + 2a^2 + 2c^2
ra1l [238]

Answer: 8a^2 + 2c^2 - 2c

Step-by-step explanation: It is a simple addition between 6a^2+2a^2. The other terms remain the same.

3 0
3 years ago
Read 2 more answers
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