Determine whether the pair of ratios are equivalent ratios. explain.

3/7, 18/42

Yes, they are.

Explanation:

1. - If they're equivalent, we can multiply 3 and 7 by the same number to obtain 18 and 42 respectively, and we can also divide 18 and 42 by that same number to obtain 3 and 7 respectively.

2. - Also, the result obtained by dividing 7 by 3 and 42 by 18 will be the same.

Demonstration:

1. -

2. -

Hope it helped,

BioTeacher101

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.

the answer is  

a.

4,624π mm2

step-by-step explanation: