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Rzqust [24]
3 years ago
7

Let f(x) = 9x − 2 and g(x) = −x + 3. Find f(g(x)).

Mathematics
1 answer:
Tanya [424]3 years ago
5 0
Since g(x) is -x-3, replace g(x) with -x-3, f(g(x))=f(-x+3)
Since the x in f(x) is replaced with -x-3, f(-x-3)=9(-x+3)-2 which is -9x+27-2 which =-9x+25, so... your answer in C
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there are between 24 to 40 students in a class. the ratio of boys to girls is 4:7. how many students are in the class.
ZanzabumX [31]

Answer:

8 students

Step-by-step explanation:

5 0
2 years ago
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One student begins in Cleveland, Ohio, and walks towards Buffalo, New York, a distance of 200 miles. She walks at the rate of 2.
omeli [17]
Ok so student in cleveland walks 2.5 miles away from cleveland every hour from 8
so the distance, x is x=2.5t

the riding one rides 4 hours later, so t-4
11 mph
y=11(t-4)

A. x=2.5t
y=11(t-4)

when do they meet is when the distance when they are equal or when x=y
2.5t=x=y=11(t-4)
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2.5t=11(t-4)
2.5t=11t-44
-8.5t=-44
divide both sides by -8.5
t=5.17647

answer is 5.18 hours


A.
x=2.5t
y=11(t-4)

B. 5.18 hours

6 0
3 years ago
What is -3(2x-3)=-15
Oksanka [162]

Answer:

18

Step-by-step explanation:

-3(2x-3)

-3x(-6)

-3x-6=18 because the negatives cancel each other out.

7 0
3 years ago
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I WILL GIVE U BRAINLIEST, NO LINKS. ITS JUST 1 QUESTION
4vir4ik [10]
It’s the first one :)
6 0
3 years ago
A pizza shop sells pizzas that are 10 inches (in diameter) or larger. A 10-inch cheese pizza costs $8. Each additional inch cost
zaharov [31]

Answer:

8 + 1.50x + 0.75y = 19.25

Step-by-step explanation:

Let the number of additional inch = x

Let the number of toppings = y

From the question,

A 10-inch cheese pizza costs $8.

Each additional inch costs $1.50

Each additional topping costs $0.75.

The equation that represents Josh's pizza is when his total cost amounts to $19.25 is:

$8 + $1.50 × x + $0.75y = $19.25

8 + 1.50x + 0.75y = 19.25

7 0
2 years ago
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