3 years ago

The quotient of two times a number k and -2.6 is 12

1 answer:

7 0

-15.6 Is the answer. You do inverse

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lorasvet [3.4K]

Answer:

The speed of the boat is 20 km/hr

Step-by-step explanation:

Let s be the speed of boat in still water

Let d be the distance

Upstream speed = s-4

Jane took 30 min to drive her boat upstream to water-ski at her favorite spot.

So, Distance traveled in upstream = $Speed \times time =(s-4) \times \frac{30}{60}$

Downstream speed = s+4

So, Distance traveled in downstream = $Speed \times time =(s+4) \times \frac{20}{60}$

So, $(s-4) \times \frac{30}{60}=(s+4) \times \frac{20}{60}$

30s-120=20s+80

10s=200

s=20

Hence The speed of the boat is 20 km/hr

6 0

2 years ago

Vladimir79 [104]

The answer for the expression is C.

8 0

2 years ago

melomori [17]

5x -2y = 2 is the answer

8 0

2 years ago

taurus [48]

1 ft = 12 inches

so 2 ft = (2 * 12) = 24 inches
and 1/4 ft = 1/4 * 12 = 12/4 = 3 inches

for a total of 27 inches

5 0

2 years ago

jenyasd209 [6]

Answer:

Step-by-step explanation:

7 0

2 years ago