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il63 [147K]
3 years ago
12

Better deal help me worth a lot of points

Mathematics
1 answer:
Finger [1]3 years ago
3 0
Days: 0 4 8 12 16

Cost: 60, 100, 140, 180, 220.
(Add 40 each time, except the first, because you paid $60 to get in)
Do the same with Y.
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Find the surface area of the tool box. Round your answer to the nearest tenth and explain your answer. ​Pls I NEED THE ANSWER NO
Andrej [43]

Answer:

807.8 in^2

Step-by-step explanation:

The total area of the box is the sum of the areas of all faces of the box. The top, bottom, front, and back faces are rectangles 18 in long. The end faces each consist of a rectangle and a triangle. We can compute the sum of these like this:

The areas of top, bottom, front, and back add up to be 18 inches wide by the length that is the perimeter of the end: 2·5in +2·8 in + 9.6 in = 35.8 in. That lateral area is ...

(18 in)(35.6 in) = 640.8 in^2

The area of the triangle on each end is equivalent to the area of a rectangle half as high, so we can compute the area of each end as ...

(9.6 in)(8.7 in) = 83.52 in^2

Then the total area is the lateral area plus the area of the two ends:

640.8 in^2 + 2·83.52 in^2 = 807.84 in^2 ≈ 807.8 in^2

7 0
3 years ago
Evaluating expressions
ad-work [718]

Step-by-step explanation:

6.) 8p = 8x9 = 72

8.) 4(d+7) = 4(-2+7) = 4(5) = 20

can't read all of 10 to give an answer

7 0
3 years ago
14+16+49+10<br><br>Hint: Add what will get a tens number first!
Leviafan [203]
<span>89 is the correct answer.

</span>
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When performing tests involving two or more populations it is important to specify which population is population 1 and which is
iris [78.8K]
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a. True







Explain:

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3 years ago
I really need help please help me
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Answer:

top right

Step-by-step explanation:

If you imagine yourself building with that model you can see its that one

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