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kap26 [50]
3 years ago
7

Which of the following situations represents a proportional

Mathematics
1 answer:
Mamont248 [21]3 years ago
4 0
The answer is that be C.
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Tickets for a school play sold for $7.50 for each adult and $3.00 for each child. The total receipts for 118 tickets totaled $69
NeX [460]
X= number of adult tickets
y=number of child tickets.
we can suggest this system of equations: 
x+y=118                 ⇒x=118-y
7.5x+3y=696

we can solve this system of equations by substitution method:
7.5(118-y)+3y=696
885-7.5y+3y=696
-4.5y=-189
y=-189/-4.5
y=42

x=118-y
x=118-42
x=76

Answer: the number of adult tickets sold was 76. 
7 0
3 years ago
Write the following as a decimal, use repeating decimals when necessary 6/11
STatiana [176]

Answer:

.545454545

Step-by-step explanation:

I used my calculator for it I am terribly sorry if it's wrong

3 0
3 years ago
Alex plays hockey. He needs to buy a new hockey stick and skates. The hockey stick costs $80 and new skates cost $300. Alex has
Umnica [9.8K]
The answer would be 303.62 if I’m not mistaken
6 0
4 years ago
Evaluate the expression if m = 3.<br><br> 3m^2<br><br><br> (SHOW YOUR WORK)
iragen [17]

The value of given expression when m = 3 is 27

<h3><u>Solution:</u></h3>

Given expression is 3m^2

We have to evaluate the given expression for m = 3

To find for m is equal to 3, substitute m = 3 in given expression

From given expression,

\rightarrow 3m^2

Plug in m = 3 in above expression

\rightarrow 3(3)^2 ------ eqn 1

We know that,

a^2 can be expanded as,

a^2=a \times a

Applying this in eqn 1, we get

\rightarrow 3(3)^2=3 \times (3 \times 3)

Simplify the above expression

\rightarrow 3(3)^2=3 \times (3 \times 3) = 3 \times 9 = 27

Therefore, for m = 3 we get,

\rightarrow 3(3)^2=27

Thus value of given expression when m = 3 is found

5 0
3 years ago
What is the slope? I will give brainliest
IgorC [24]

Answer:

The rise over run is -1/2

Step-by-step explanation:

6 0
3 years ago
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