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PtichkaEL [24]
2 years ago
13

A kangaroo hops 2 kilometers in 3 minutes. At this rate how long does it take the kangaroo to travel 3 kilometers?

Mathematics
1 answer:
Anna007 [38]2 years ago
4 0

Answer:

4 minutes 3 seconds

Step-by-step explanation:

Step one:

Given data

A kangaroo hops 2 kilometers in 3 minutes

The rate/speed is

rate/speed= 2/3 km per minute

Required

the time taken to cover 3 km

Step two:

We know that

rate= distance/time

2/3= 3/t

cross multiply we have

2t=3*3

2t=9

divide both sides by 2

t= 9/2

t= 4.5 minutes

t= 4 minutes 3 seconds

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vladimir2022 [97]

Answer:

The box of 10 for $10.88 is better.

Step-by-step explanation:

10.88/10=$1.08

17.62/14=$1.26

7 0
2 years ago
Y=-0.72x + 7.7<br> Find y when x = 3.5.
OLEGan [10]

Answer:

y = 5.18

Step-by-step explanation:

replace x in the equation with 3.5

y = -0.72x + 7.7

y = -0.72(3.5) + 7.7

y = -2.52 + 7.7

y = 5.18

7 0
2 years ago
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kolbaska11 [484]

Answer:

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4 0
2 years ago
If a bank account doubles in size every 5 years, then by what percent does it grow after only 3 years? Round to the nearest tent
mr Goodwill [35]

Answer:

Step-by-step explanation:

Alright, let get started.

Suppose the initial deposit in account = x

After five years, this accounts get doubled means  = 2x

Means in 5 years , the growth = 2x-x = x

So, in 1 year, the growth will be = \frac{x}{5}

So, in 3 years, the growth will be = \frac{x}{5}*3=\frac{3x}{5}

So percent grwoth will be = \frac{\frac{3x}{5}}{x}*100 = 60

Hence percentage growth is 60 %.    :  Answer

Hope it will help :)


4 0
3 years ago
6s-4=8 (2+ 0.25s)<br> solve for s
pentagon [3]

Answer:

s=5

Step-by-step explanation:

6s-4=16+2s

6s=20+2s

4s=20

s=5

4 0
2 years ago
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