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Archy [21]
3 years ago
15

What is 78.000.000.000 in scientific notation?

Mathematics
1 answer:
borishaifa [10]3 years ago
4 0
I think it is 78x10^9
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Sam drove for 2 hours at 45 mph. He has the same distance remaining. How fast should he drive to make his average speed 60 mph?
Goshia [24]
Speed (S) = Distance (D) / time (t)

First stretch

45 = D / 2

D = 45*2

D = 90 mp

How is the same distance:

Second stretch

S = 90 / t

Average speed (AS):

AS = (S1+S2) / 2

60 = [45+(90/t)] / 2

120 = 45+90/t

120-45 = 90/t

75 = 90/t

t = 90/75

t = 1,2 h

________________________

And now:

S = 90 / t

S = 90 / 1,2

S = 75 mph
8 0
3 years ago
Pls hel fast a have to finish this quiz
SOVA2 [1]

Answer:

So put the pi in the 3.14 box then 22/7 to where it says 3.142857143 or something (I can't really see the pic, but yeah that number) then you know the next answer :)

Step-by-step explanation:

8 0
3 years ago
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A 3 cm x 3 cm rectangle sits inside a circle with radius of 4 cm.
Ivanshal [37]

Step-by-step explanation:

you did not show us the picture or described what the shaded area is.

I assume it is the area of the circle without the inner square (as the "rectangke" is actually a square, because its sides are equally long).

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the area of the square is 3×3 = 9 cm².

the area of the circle is

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with r being the radius.

so,

pi×4² = pi×16 = 16pi

the shaded area is then

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nothing of the answer options seems to be in that area, so maybe my assumption about the shaded area is wrong. or the specified answer options are mistyped. or both.

anyway, without additional information that is the best I can do.

8 0
2 years ago
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goldenfox [79]

Answer:     373.33 Hours

Step-by-step explanation:

7 0
3 years ago
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A sports tournament has 6 teams. Each team has the same number of players. There are 60 players total. How many players does eac
Nookie1986 [14]

Answer:

10

Step-by-step explanation:

because

60:6=10

every team has the same number of players

(it was an easy proble to solve thats why im typing , so i the app can confirm it as an answer)

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