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joja [24]
3 years ago
8

Donovan is training for a marathon. He currently can run 1 lap around the track in 0.85 minutes. How long will it take him to ru

n 12.5 laps?
ASAP
Mathematics
2 answers:
Ivan3 years ago
8 0

Answer:

10 minutes and 37.5 seconds

Step-by-step explanation:

0.85 is 51 seconds. I will be using this because it is easier for me.

Multiply 51 • 12 = 612 seconds for 12 laps. Divide 612 ÷ 60 = 10.2. You get 10.2 minutes. This is 10 minutes and 12 seconds for 12 laps.

Divide 51 by 2 to find how long it takes for 1/2 a lap. You will get 25.5 seconds for half a lap.

Add them together: 10 min 12 sec + 25.5 sec = 10 minutes and 37.5 seconds

Leokris [45]3 years ago
3 0

Answer:

10.625

Step-by-step explanation:

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Which property justifies step 3 Given: 4(x - 6) + 12 = 20
kap26 [50]

Answer:

x=8

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

4(x−6)+12=20

(4)(x)+(4)(−6)+12=20(Distribute)

4x+−24+12=20

(4x)+(−24+12)=20(Combine Like Terms)

4x+−12=20

4x−12=20

Step 2: Add 12 to both sides.

4x−12+12=20+12

4x=32

Step 3: Divide both sides by 4.

4x

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7 0
3 years ago
What is the least common denominator of the fraction 2 over x plus the fraction x over x plus 1 plus the fraction x plus 1 over
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3x is the least common denominators because you need to be able to make sure all other denominators can go multiple into it.  Since the rest are just x, the largest number of 3x would be the denominator you want. 
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3 years ago
Find the measure of the ndicaited angle to the nearest degree 35 and 38
12345 [234]

The measure of the indicated angle to the nearest degrees is 23 degrees.

<h3>How to find angle of a right angle triangle?</h3>

The angle of a right angle triangle can be found as follows:

Therefore, the angle can be found using trigonometric ratios as follows;

cos ∅ = adjacent / hypotenuse

Therefore,

adjacent side = 35 units

hypotenuse side = 38 units

Hence,

cos ∅ = 35 / 38

∅ = cos⁻¹ 0.92105263157

∅ = 22.9272842944

∅ ≈ 23 degrees.

learn more on triangle here: brainly.com/question/20759265

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6 0
1 year ago
Another one the last one ASAP
kodGreya [7K]

Answer:

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Step-by-step explanation:

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