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sweet-ann [11.9K]
3 years ago
8

If f(x) = 3 - 2x and g(x)= 75, what is the value of value of a (f/g)(8)

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
7 0

Answer:

(f/g)(8) = -13/75

Step-by-step explanation:

f(x) = 3 - 2x, so f(8) = 3 - 2(8) = -13.

g(x) = 75 for all x.

Therefore, (f/g)(8) = -13/75

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In the barn, there are horses and chickens. There are 11 heads and 32 legs altogether. How many chickens are there?
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Answer:

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Step-by-step explanation:

Let  H represent the number of horses and  C represent the number of chickens. Since there are 32 legs altogether this means that on equation to use would be given by:

2C  +  4 H  =  32     (Eq. 1)

Another equation can be made from the fact that there are 11 heads or 11 animals altogether which can be written as:

C  +  H  =  11    (Eq. 2)

From Eq. 2, solve for the number of chickens:

C  +  H  =  11

C   =  11  - H    (Eq. 3)

Substituting Eq. 3 in Eq. 1, the number of horses can be determined:

2 C  +  4 H  =  32

2 ( 11  −  H )  +  4 H  =  32

22   −  2 H  +  4 H  =  32

2H  =  32  − 22

2 H  = 10

H = 5               Eq.4

Putting Eq.4 in Eq.1

2C + 4*5 =  32

2C = 32 - 20

2C = 12

C = 12/2

C = 6

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