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salantis [7]
3 years ago
13

Vivi is 40 floors from the top of her building. If she starts at the bottom and runs up 5 floors every 20 seconds, how far is sh

e from the top of the
building after 90 seconds?
O 12 floors
• ,14
floors
17 floors
19.
O
floors
Mathematics
1 answer:
Murrr4er [49]3 years ago
8 0

Answer:

17 floors

Step-by-step explanation:

1 floor every 4 seconds.

90/4 = 22.5

40 - 22.5 = 17.5

17.5 is 17ish floors, and is the only answer that is close to 17 floors.

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umka21 [38]

Answer:

-1/2

Step-by-step explanation:

8 0
2 years ago
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There are 15 people on a basketball team, and the coach needs to choose 5 to put into
snow_lady [41]

Answer:

The coach can do this in 3,003 ways

Step-by-step explanation:

Here, the coach needs to select a team of 5 from a total of 15 players

Mathematically, the number of ways this can be done is simply 15 C5 ways

Generally, if we are to select a number of r items from n items, this can be done in nCr ways = n!/(n-r)!r!

Applying this to the situation on ground, we have;

15C5 = 15!/(15-5)!5! = 15!/10!5! = 3,003 ways

3 0
3 years ago
Evaluate the following expressions given the values below.
abruzzese [7]

Answer:

31

Step-by-step explanation:

ab + bc + ac for a = 2, b = 5, and c = 3

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31

4 0
2 years ago
What is the result of 36 divided by 9? Use the number line to find the answer. A number line going from 0 to 39. The numbers 0,
Vladimir79 [104]

Answer:

4

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7 0
3 years ago
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(5x^2-4X + 7) - (4x + 2)
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5x’2-4x+7-4x-2
We add the two 4
5x’2-8x+7-2
5x’2-8x+5
The answer is
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3 0
3 years ago
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