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levacccp [35]
3 years ago
9

HELP URGENT!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Ainat [17]3 years ago
5 0
First find the area of the whole square. Even the part that isn't part of the area. Then find the area of the spots that aren't part of the shape. Then subtract that area from the area of the whole thing.

15×18=270
(9x12)+(4×5)=128
270-128=142

Area= 142ft^2
maria [59]3 years ago
3 0
Think of the shape as being three rectangles stacked on top of each other.  Lets call the top shape r1, the middle shape r2, and the bottom shape r3.

We know that all of them together have a height of 15 ft, the height of r1 is 4 ft and the height of r2 is 5 ft. So the height of r3 must be 15-4-5=6ft.

We know that all of them together have a width of 18 ft, width of r1 is 1 ft, and the width of r3 is 18 ft. The width of r2 must equal 5 ft plus the width of r1, 5+1=6.

Finally we use the equation for the area of a rectangle, Area=base(width)*height. Find the area of each individual rectangle and add the three areas together to get the area of the whole shape.
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2. once again, create an equation. let's call team 1 x and team 2 y. team one has 1/4th as many as team 2, so that would be x=1/4y. An easier way to write that is 4x=y. after 6 people quit team two, that would be y-6. after the transfer, that would be y-6-12, and x+12 for the teams. they are equal after these, so y-6-12=x+12. solve this equation to get y-18= x+12. if you recall earlier, y was 4 times x, so substitute that into y to get 4x-18=x+12. Solve the equation to get 10 people on team one originally. your final answer is 10 people. 
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3 years ago
Use the graph or table to identify the value that makes this relationship proportional.
julsineya [31]

Answer:

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Step-by-step explanation:

Pls vote my answer as brainliest

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Estimates show that there are 1.4*10^8 pet fish and 9.4*10^6 pet reptiles in the United States.
Readme [11.4K]
\bf \stackrel{fish}{1.4\times 10^8}~~+~~\stackrel{reptiles}{9.4\times 10^6}
\\\\\\
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\begin{array}{rrrrllll}
140000000\\
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\text{\textemdash\textemdash\textemdash\textemdash\textemdash}\\
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3 years ago
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ankoles [38]

Answer:

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Step-by-step explanation:

You just take the number of the first thing its asking for & the second thing.

You can also write the ratio as a fraction or use 'to" to separate the numbers.

Hope this helps!

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