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Reil [10]
3 years ago
13

It took Everly 55 minutes to run a 10-kilometer race last weekend. If you know that 1 kilometer equals 0.621 mile, how many minu

tes did it take Everly to run 1 mile during the race? Round your answer to the nearest hundredth.
Mathematics
1 answer:
slega [8]3 years ago
5 0
\bf \cfrac{10km}{55mins}\cdot \cfrac{0.621miles}{1km}\implies \cfrac{62.1miles}{55mins}\approx 1.12909909\approx \boxed{1.13\frac{miles}{mins}}
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Mike age is 3 less then twice the age of his brother nuke.
M = Mike's age now
N = Nuke's age now
M = 2N - 3

Ten years ago, four times nuke's age was one more mike's age.
M-10 = Mike's age 10 years ago
N-10 = Muke's age 10 years ago
4(N - 10) = 1 + M -10

what are their present ages

find M and N

substitute M = 2N - 3 into 4(N - 10) = 1 + M -10:

4(N - 10) = 1 + [2N - 3] - 10
4N - 40 = 2N - 12
2N = 28
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M = 2(14) - 3 = 28 - 3 = 25

Mike is 25 and Nuke is 14.

check:
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2 years ago
12x=3/2 what does x=
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<h2>>> Answer </h2>

_________

\:

12x =  \frac{3}{2}

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x =  \frac{3}{24}

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2 years ago
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Answer:

y = -1/2x + 1

General Formulas and Concepts:

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

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The volume of the beaker after is 6 hours is 19.5
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