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yaroslaw [1]
2 years ago
7

Tickets to a dance performance cost $9 for adults and $5 for kids. A group purchased 15 tickets and spent a total of $91. How ma

ny adult tickets were purchased? How many child tickets were purchased?
Mathematics
1 answer:
dem82 [27]2 years ago
5 0

Answer:9 adult tickets and 2 kid tickets

Step-by-step explanation:

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What are the domain and range of the function f(x)=(√x-7)+9?
Yanka [14]

Answer:

the domain of the function f(x) is x\ge 7

the range of the function f(x) is f(x)\ge 9

Step-by-step explanation:

Consider the parent function y=\sqrt{x}.

The domain og this function is x\ge 0, the range of this function is y\ge 0.

The function f(x)=\sqrt{x-7}+9 is translated function y=\sqrt{x} 7 units to the right and 9 units up, so

the domain of the function f(x) is x\ge 7

the range of the function f(x) is f(x)\ge 9

3 0
3 years ago
If a = 1, find the values of b, c and d that make the given expression equivalent to the expression below.
vlada-n [284]

Answer:

To do this, you need to multiply out the expressions. This is a bit tedious, but remember like FOIL for binomials, for these trinomials you must multiply each term. If you need a step-by-step, I'd be happy to provide it. Let me know.

Once you have simplified the expression, you get

-x-9/2x-4

But, the problem stipulates that a must equal 1. We can equivalently factor out the negative sign and put it on the denominator with no change to write

x+9/-(2x-4) = x+9/-2x+4

So, seeing where each coefficient corresponds between the two expressions, you get a = 1, b = 9, c = –2, and d = 4.

8 0
3 years ago
Isaiah mows a lawn in 3 hours. What unit fraction would be used to convert this to the number of minutes it takes him to mow a l
ipn [44]

60 minutes/ hour = 60/1

60/1 x 3 = 180 minutes

4 0
3 years ago
Is the number -9/20 a rational number
Maslowich
I believe it is a rational number
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Some1 hurry up plzzz need help
Step2247 [10]

Answer:

IM pretty sure b) and c)

Step-by-step explanation:

3 0
2 years ago
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