MATHEMATICS HIGH SCHOOL

A group of people bought movies tickets at the AMC Century City. They bought a total of 7 tickets, someadult and some kid tickets. They spent a total of $72. If adult tickets cost $12 and kid tickets cost $9, how
much of each were purchased?

Answers

Answer 1
Answer:

You would just plug in numbers until you find two the work in the equation:

12x+9y=72

x=3 y=4

The correct answer is 3 adult tickets and 4 child tickets.
Answer 2
Answer: Hello!, 

First you would divide 72 by 12 which would be....6 okay 6 adults.

Second you would divide 72 by 9 witch is...... 8 kids

6 adults 8 kids

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Urgentthe area of a square field is 60025m square.a man cycles along its boundary at 18 km per hour
in how much time will he return at starting point

Answers

Area of square field = 60025 m

Thus, side = √60025 = 245 m.

Perimeter = 245 * 4 = 980 meters

Speed = 18 kmph = 5m/s

Time = Distance / speed

= 980 / 5

= 196.

Thus, it will take 196 seconds for the man to return at the starting point.
Area=60025\ m^2\ \ \ and\ \ \ Area=a^2\n\n\ \ \ \Rightarrow\ \ \ a^2=60025\ m^2 \ \ \Rightarrow\ \ \ a=245\ m\n\n\ \Rightarrow\ \ \ the\ perimeter\ of\ a\ square:\n\n.\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ P=4a=4\cdot245\ m=980\ m=0.98\ km\n\n Speed=18 (km)/(h) \ \ \ and\ \ \ Speed= \frac{\big{P}}{\big{time}} \n\n18= \frac{\big{0.98}}{\big{time}}\n\n\ \ \ \Rightarrow \ \ \ time= \frac{\big{0.98}}{\big{18}}\ hr=\frac{\big{0.98}}{\big{18}}\ \cdot3660\ s=196\ s=3\ min\ 16\ s\n

Ans.\ he\ will\ return \ after\ 3\ minutes\ 16\ seconds.

Write 8.542 in expanded form.

Answers

Answer:

if you like my solution

please give me Brainliest.

Find the value of y when x equals 1, 9x+7y=-12

Answers

9(1)+7y=-12
9+7y=-12
7y=-12-9
7y=-21
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How many liters of water should be added to 18 liters of a 14% bleach solution so that the remaining solution contains only 10% bleach?

Answers

How many liters of water should be added to 18 liters of a 14% bleach solution so that the remaining solution contains only 10% bleach?
:
Let w = amt of water required to make a 10% solution
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.14(18) = .10(w+18)

2.52 = .1w + 1.8
2.52 - 1.8 = .1w
.72 = .1w
multiply both sides by 10
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:
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Answers

Solution of the system is where both lines meet
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Brandon buys a radio for 43.99 in a state where the sales tax is 7%

Answers

So then this is a simple multiplication problem. First, we need to make the percentage a decimal. To do that, we find out how many parts out of 100 it is. In this case it 7 parts, so we're making it the decimal .07. So the problem becomes 43.99x0.07. We multiply that, and come up with 3.0793. We'll round that to the hundredths place, and come up with 3.08. So on a radio that costs $43.99, you will pay $3.08 tax, bringing the total to $47.07.
43.99
Convert to a decimal. x .07
¯¯¯¯¯¯¯¯
3.0793
Add + 43.99
¯¯¯¯¯¯¯¯¯
47.0693
Round out. $47.07 is your answer
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