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stiks02 [169]
3 years ago
8

ANSWER FAST PLEASE!!

Mathematics
2 answers:
matrenka [14]3 years ago
5 0

Answer:

D

Step-by-step explanation:

D is a function because it passes the vertical line test, meaning that you can draw a vertical line anywhere through the graph and it will only it the lines one time.

dezoksy [38]3 years ago
3 0

Answer:

D u welcome

Step-by-step explanation:

I'm cant say step by step

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A movie theater has a seating capacity of 329. The theater charges $5.00 for children, $7.00 for students, and $12.00 of adults.
kipiarov [429]

Answer:

170 children

74 students

85 adults

Step-by-step explanation:

Given

Let:

C = Children; S = Students; A = Adults

For the capacity, we have:

C + S + A = 329

For the tickets sold, we have:

5C + 7S + 12A = 2388

Half as many as adults are children implies that:

A = \frac{C}{2}

Required

Solve for A, C and S

The equations to solve are:

C + S + A = 329 -- (1)

5C + 7S + 12A = 2388 -- (2)

A = \frac{C}{2} -- (3)

Make C the subject in (3)

C = 2A

Substitute C = 2A in (1) and (2)

C + S + A = 329 -- (1)

2A + S + A = 329

3A + S = 329

Make S the subject

S = 329 - 3A

5C + 7S + 12A = 2388 -- (2)

5*2A + 7S + 12A = 2388

10A + 7S + 12A = 2388

7S + 22A = 2388

Substitute S = 329 - 3A

7(329 - 3A) + 22A = 2388

2303 - 21A + 22A = 2388

2303 +A = 2388

Solve for A

A = 2388 - 2303

A = 85

Recall that: C = 2A

C = 2 * 85

C = 170

Recall that: S = 329 - 3A

S = 329 - 3 * 85

S = 329 - 255

S = 74

Hence, the result is:

C = 170

S = 74

A = 85

8 0
3 years ago
Mark gets picked up by the bus at 7:40 he arrives at school at 8:10 how long does it take to get to school
Elodia [21]
You could do this in two ways, you could either subtract immediately or convert the time given in hours into minutes
STEP 1:
8:10
- 7:40
which will give 0:30
STEP 2:
8 hours 10 minutes into minutes is
(8 * 60) +10 = 490 minutes
7 hours 40 minutes into minutes is
(7*40) + 40 = 460 minutes
490 - 460
= 30minutes
3 0
3 years ago
Read 2 more answers
You have two cards with a sum of (-12) in your hands. what two cards could you have?
Readme [11.4K]
Your two cards could be a negative six and a positive two.
4 0
3 years ago
Mrs.rosso has to travel 390 miles on a highway. she drives 130 miles in 2 hours
Zielflug [23.3K]
Hi, 

first you should divide 130 (speed)  by 2 (time), then divide 390 by 65 (result of 130 / 2) 
8 0
3 years ago
Which variable expression represents the word phrase? the sum of 12 and the quotient of 9 and a number
iris [78.8K]
"Sum" tells us it's an addition problem:

One term is 12 and the other is 9/x

SO

The expression is:
12+9/x
6 0
3 years ago
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