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2 years ago

in 25 minutes Li can run 10 laps around the track. consider the number of laps she can run per minute

Mathematics

2 answers:

Tresset [83]2 years ago

8 0

She can run 2.5 miles a minute

strojnjashka [21]2 years ago

7 0

Here you are going from 25 minutes to 1 minute; essentially, if you look at this algebraiclly you have 25 min=10 laps to 10 minutes= x laps; set up a proportion for this to get: 25 min/10 laps =1minutes/ x laps Solving by cross multiplying; multiply the denominator to the opposite numerator (this makes more sense when writing as a fraction; you will multiply in an "x" shape) then solve as the algebra problem of 25=10x ; divide both sides by 10 to isolate x and this will give you the answer of x=2.5

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1 year ago

Factor completely 2x² − 12 + 10

NeX [460]

Answer:

2(x + 1)(x - 5)

Step-by-step explanation:

First you need to find the GCF (greatest common factor). Each term has 2 in common. Factor the 2 out of each term. 2(x²- 6x + 5)

Next you need to solve inside the parenthesis with an x-puzzle. 2(x+1)(x-5)

Check your answer by multiplying. You should get the expression you began with. 2x² - 12 + 10

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2 years ago

Help at 4 please, I think it’s 1/12 or 12?

Basile [38]

Answer:

Step-by-step explanation:

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2 years ago

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eimsori [14]

Answer:

$x \approx 0.954$

Step-by-step explanation:

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The value of the logarithm can be estimated by means numeric methods, which can be easily used on calculators (i.e. Macaulay Series)

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2 years ago

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frozen [14]

To whatttttttttttt free points?

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2 years ago