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Leona [35]
4 years ago
13

Im in a helicopter and I fall 80ft down, and go 80ft back up in the air, were would I be???

Mathematics
1 answer:
wariber [46]4 years ago
6 0

Answer:

Step-by-step explanation:

My guess is 0.

If you started at ground level (0) , and fall 80 ft down, it would be -80. But if you go back up 80 ft up, it would be back to 0.

Good luck! :)

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PLEASE HELP ON 5,6,8,9<br> DUE TOMORROW
Elis [28]

5. You have correctly shown the decimal equivalents of the numbers in selection C. Those are in order. The decimal equivalents for selection D would be

... -1.33, -2.00, -1.00, -0.08, -0.07

The first of these is greater than the second of these, so this list is not in order. The correct choice is D.

6. √169 = 13, the only rational number in the lot. The correct choice is C.

8. All the numbers except the ones with radicals are rational numbers, so the appropriate choice is the one that lists the radicals only: G.

9. You have correctly plotted the points. When you connect them to make a geometric figure, you get a triangle that is 6 units high and 6 units wide. Its area will be half that of a square that is 6×6, so is 18 square units.

_____

The formula for the area of a triangle is

... A = (1/2)bh

where b is the base length of the triangle (6 units), and h is the height (6 units). Filling in the numbers you have, this is

... A = (1/2)·6·6 = 18 . . . . square units.

When you have a plot like this on a graph, it is usually pretty easy to see that the triangle area is half the area of a rectangle (or square) with the same height and width.

6 0
3 years ago
You need a 75% alcohol solution. On hand, you have a 1125 mL of a 90% alcohol mixture. How much pure water will you need to add
Alex777 [14]
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so.. whatever "x" is, we know 1125 + x = y
and whatever the alcohol concentration yield may be, we know

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(1125)(0.9) = 0.75y   <--- solve for "y", that's how much the final amount of milliliters will be

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5 0
3 years ago
Jenny is 9 years younger than Sammie. Five years ago Sammie was 4 times older than Jennie. How old is each now? (NO OFF-TOPIC AN
Llana [10]

Answer:

Step-by-step explanation:

Your answer

Assume that

Sammie is x,,,, Jennie is 9 years younger than him. So, Jennie ( y) = x-9

According to second condition eq is

(X-5) = 4(y-5)

Place the value of y in eq 2

You will find x= 17

Put x in eq 1

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6 0
3 years ago
Read 2 more answers
What is the solution of this equation?<br> -1y = -4
tigry1 [53]

Answer:

y = 4

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8 0
4 years ago
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Minchanka [31]
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So answer is C.

6 0
4 years ago
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