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iren2701 [21]
3 years ago
11

Plz Help...What is the square root of 1,249?

Mathematics
1 answer:
hichkok12 [17]3 years ago
8 0

Answer:

35.34

Step-by-step explanation:

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Two drivers, Alison and Kevin, are participating in a drag race. Beginning from a standing start, they each proceed with a const
Vilka [71]

Answer:

Alison wins against Kevin by 0.93 s

Step-by-step explanation:

Alison covers the last 1/4 of the distance in 3 seconds, at a constant acceleration a_a, we have the following equation of motion

s/4 = a_at_a^2/2

where s (m) is the total distance, ta = 3 s is the time

s = 4a_a3^2/2 = 18a_a

a_a = s/18

Similarly, Kevin overs the last 1/3 of the distance in 4 seconds, at a constant acceleration a_k, we have the following equation of motion:

s/3 = a_kt_k^2/2

tk = 4 s is the time

s = 3a_k4^2/2 = 24a_k

a_k = s/24

Since a_a = s/18 we can conclude that a_a > a_k, so Alison would win.

The time it takes for Alison to cover the entire track

s = a_aT_a^2/2

T_a^2 = 2s/a_a = 2s/(s/18) = 36

T_a = \sqrt{36} = 6 s

The time it takes for Kevin to cover the entire track

s = a_kT_k^2/2

T_k^2 = 2s/a_k = 2s/(s/24) = 48

T_a = \sqrt{48} = 6.93 s

So Alison wins against Kevin by 6.93 - 6 = 0.93 s

4 0
3 years ago
32.17 divided by 7= i need to estimate and quotient
joja [24]
32.17/7 =

about 4.59571428571429

are there any instructions on rounding it to the nearest tenth, hundredths, etc.?
8 0
3 years ago
What is 29/5as a mixed number
dimulka [17.4K]
5 4/5 is a mixed number of 29/5.
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3 years ago
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Westkost [7]

Answer:

The dots move up going to the right which makes it positive.

The answer is positive association.

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3 years ago
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What number is 76% of 97
alexandr1967 [171]
76%*97
=73.72

I hope this helps.

Comment if you need further explanation.
6 0
3 years ago
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