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Vladimir79 [104]

2 years ago

11

A bell tolls every 10 minutes. Another bell tolls every 15 minutes. Both bells toll at 6:00 PM. They will toll together again at

:

1 answer:

MatroZZZ [7]2 years ago

6 0

Answer:

The bells ring again together at 6:30

Step-by-step explanation:

10 minute bell

6 6:10 6:20 6:30 6:40 6:50

15 minute bell

6 6:15 6:30

The bells ring again together at 6:30

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If 100 cm id 1 m than how many cm are there are 13m

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The question requires you skills in doing multiplication or division. Ratio and proportion would also do here.
The topic here is about conversion.
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Dr.Lamb is mixing a solution for his next patient. He has a cylindrical test tube which is 4 inches across on the inside. The de

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Answer: There are 34.35 liters left in the test tube.

Step-by-step explanation:

Since we have given that

Depth of the tube = 9 inches

Circumference of base=4 inches

As we know the formula of circumference ,

$Circumference=2\pi r\\\\4=2\times \frac{22}{7}\times r\\\\4\times{7}{22\times 2}=r\\\\\frac{7}{11}=r$

Now, we need to find the volume of tube is given by

$\text{ Volume of test tube }=\pi r^2h\\\\\text{ Volume of test tube }=\frac{22}{7}\times \frac{7}{11}\times \frac{7}{11}\times 9\\\\\text{ Volume of test tube }=\frac{126}{11}=11.45\ inches^3$

Since we have also given that,

Of 1 cubic inch of space holds 3 liters of water,

So,

$1\text{ cubic inch}=3\text{ liters}\\\\11.45\text{ cubic inches}=3\times 11.45=34.35\text{ liters}$

Hence, there are 34.35 liters left in the test tube.

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2 years ago