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brilliants [131]
3 years ago
11

You have $50. You have some $5 bills and some $10

Mathematics
1 answer:
GuDViN [60]3 years ago
6 0

Answer:

10x + 5y = 50

Step-by-step explanation:

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Given the functions f(x)=7-2x and g(x)=5x-3 find g(f(-4)) find f(g(x))
lara31 [8.8K]

Answer:

g(f(-4)) = -8

f(g(x)) = 13-10x

Step-by-step explanation:

g(f(-4)):

Plug in the equation f(x) into the variable x of g(x), we have:

(gof)= 5(7-2x)-3

Plug in x = -4 and the answer is -8

f(g(x)):
Plug in the equation g(x) into the variable x of f(x), we have:

7-2(5x-3) = 7-10x+6 = 13-10x

3 0
2 years ago
Write a cosine function for the graph?
Katyanochek1 [597]
Try this solution+explanation:
1. the common formula for this graph is y=A*cos(Bx), where A - the amplitude, B - the frequency of the given function.
2. The max. and min. vertical values are 4 and (-4), it means that the amplitude is 4 (A=-4*),
for the function y=cosx the period is 2π, it means for the given function the period is π/2, it is for its frequency 2π/(π/2)=B=4.
* if to see to the suggested graph, the max. of cos4x are in points π/4+πn, and the min. are in π*n/2, it means that it need to add '-' in the equation of the function.
3. answer: y=-4cos4x.
8 0
4 years ago
Spinner has 7 pieces, 1 black, 2 gray, 4 white, what is the probability that I would land on a gray piece?
Firlakuza [10]

Answer:

2/7

Step-by-step explanation:

there are 2 gray prices out of 7

6 0
2 years ago
Help help help please
myrzilka [38]
100035 because the numbers are all even and i am in first grade so yeah
7 0
3 years ago
Yessenia is making cookies. the recipe calls for her to use 2/3 cup of white sugar and 1/2 cup of brown sugar. how many cups of
ANTONII [103]

Answer:

7/6

Hope this helps

8 0
3 years ago
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