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Marysya12 [62]
3 years ago
6

Ted can clear a football field of debris in 3 hours. Jacob can clear the same field in 2 hours. When they work together, the sit

uation can be modeled by the equation, where t is the number of hours it would take to clear the field together.
How long will it take Ted and Jacob to clear the field together?
Mathematics
2 answers:
Mandarinka [93]3 years ago
7 0

Answer:

\frac{6}{5} of an hour = 1 1/5 hour = 72 minutes

Step-by-step explanation:

\frac{1}{3} h + \frac{1}{2}h = 1\\\\\frac{2}{6} h + \frac{3}{6}h = 1\\\\\\\frac{5 }{6} h  =1\\\\h=\frac{6}{5}

Nataly_w [17]3 years ago
3 0

Answer:

the answer is C. 1 hour 12 minutes

Step-by-step explanation:

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11111nata11111 [884]

Answer:

50.65

Step-by-step explanation:

34.60+12.30=46.90    

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add tax to the total-    

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valina [46]

Answer:

31.9secs

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Step-by-step explanation:

Given the equation that models the height expressed as;

h(t ) = -4.9t²+313t+269

At the the max g=height, the velocity is zero

dh/dt = 0

dh/dt = -9,8t+313

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Get the max height

Recall that h(t ) = -4.9t²+313t+269

h(31.9) = -4.9(31.9)²+313(31.9)+269

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Step-by-step explanation:

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