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masha68 [24]
3 years ago
12

A glacier in Alaska moves about 29.99 a day about how much further will a move in a thousand days and it will move in a hundred

days
Mathematics
1 answer:
Lelu [443]3 years ago
5 0
Try this:  (29.99 units/day)(1000 days) = 29990 units.

Could you possibly include the given units of measurement in this post?

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A boy stands 1 meter away from a lamppost. He is 1.8 meters tall and casts a shadow 2 meters long in the light from the lamp. Ho
Charra [1.4K]

A boy stands 1 meter away from a lamppost. He is 1.8 meters tall and casts a shadow 2 meters long in the light from the lamp

The diagram is attached below using the given information

We have two similar triangle

Triangle ACD is similar to triangle ABE. So the sides are in proportional

\frac{DC}{EB} =\frac{AC}{AB}

AC = AB + BC = 3m

\frac{x}{1.8}=\frac{3}{2}

2x = 1.8 * 3 (cross multiply)

2x = 5.4

Divide by 2 on both sides

x = 2.7

Height of Lamppost is 2.7 meter



3 0
3 years ago
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A circle with a radius of inches has a central angle of 0.25 radians that intercepts an arc of inches.
Murrr4er [49]
Arc length  = c* r    where  c = angle in radians and r = radius

                = 0.25 * 4

                = 1 inch
4 0
3 years ago
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8. There are 4,800 plastic spoons in a case.
g100num [7]

Answer:

Each box has 800 spoons.

Step-by-step explanation:

4800/6=800

7 0
3 years ago
(100+ POINTS)
horsena [70]

Answer:

1) 102.7 meters

2) 11

Step-by-step explanation:

1) -4.9x² + 75x = -4.9x² + 50x + 38

25x = 38

x = 1.52 s

Height = -4.9(1.52)² + 75(1.52) = 102.67904 m = 102.7 m

2) f(x) = x² + 3x - 2

f(2) = 2² + 3(2) - 2 = 8

f(6) = 6² + 3(6) - 2 = 52

Average rate of change:

(52-8)/(6-2) = 11

5 0
3 years ago
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A bag has 4 green marbles and 8 red marbles. Half of the red marbles are made of plastic. A marble is selected at random from th
cupoosta [38]
I believe it is 4/12 since you have a total of 12 marbles and only 4 are red plastic ones
4 0
3 years ago
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