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Kaylis [27]
3 years ago
6

1) Find Area of this polygon 4 cm I 5cm 1 cm 7 cm and the other one​

Mathematics
1 answer:
jasenka [17]3 years ago
7 0
For the top problem, you split it to make two rectangles and so you have 4 times 5 =20 plus 1 times 3 so the answer is 23cm squared
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Deon has bought 18 pounds of dog food. He feeds his dog
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blsea [12.9K]

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========================================================

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6 0
3 years ago
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Can someone help me with this problem please?
Tom [10]

Answer:

senior tickets sold: 12

child tickets sold:8

Step-by-step explanation:

Let

x= amount of senior tickets sold

y= amount of child tickets sold

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For the second equation, it should look like:

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So this is a systems of equations problem. So I will use substitution as it is easier:

1.) Take one of the equations (in this case ill take 92=7x+y) and make one variable have a value, in this case ill isolate the y.

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2.) Take the value of y and plug it into "y" into the other equation to solve "x"

200= 14x + 4(92-7x)\\200=14x+368-28x\\(-368)200=-14x+368(-368)\\(-\frac{1}{14})* -168=-14x*(-\frac{1}{14} )\\\\x=12

<u><em>(editor's note:instead of dividing it by 14, I multiply by 1/14 as it would look complicated in the equation solving steps)</em></u>

3.) Then plug the value of "x" to one of the equations to solve for "y" (which I'll use the 92=7x+y)

92=7(12)+y\\(-84)92=84+y(-84)\\y=8

7 0
3 years ago
Read 2 more answers
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