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Nikitich [7]
3 years ago
6

Heather spent a total of 70 minutes working out at the gym.

Mathematics
1 answer:
Jobisdone [24]3 years ago
6 0

Answer:

choice 4

Step-by-step explanation:

t = treadmill time

w = wt lift time

70 is total time

so t+w = 70

next t is 20 more than w

t = w+20

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What is the quotient of 1.728 x 109 and 4.8 x 106 expressed in scientific notation?​
fenix001 [56]

Step-by-step explanation:

\to 1,728 \times {10}^{9}

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1,728 \times {10}^{9} = 1.728.000.000

\:

\to 4,8 \times {10}^{6}

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4 0
3 years ago
Solve the given problem. Zara is six years older than half Gary’s age. If Gary is four years old, how old is Zara?
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7 0
3 years ago
9 multiplication 724
7nadin3 [17]
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3 years ago
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Alex17521 [72]
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3 0
2 years ago
Read 2 more answers
In a horse​ race, how many different finishes among the first 3 places are possible if 7 horses are​ running? (Exclude​ ties)
kodGreya [7K]

Answer:

7 x 6 x 5 = 210

Step-by-step explanation:

its a combination's problem.

7 horses are eligible for first place.

6 of those are eligible for 2nd given that one of the 7 finished first.

similarly 5 of the remaining are eligible for 3rd place given 2 horses have taken the first 2 spots.

therefore 7 x 6 x 5 possible combinations = 210 combinations.

3 0
2 years ago
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