Is every multiple of five a composite number

2 answers:

7 0

Yes. Every multiple of 5 is a composite number

A composite number is a number that can be divided evenly by another number besides 1. For example: 6 is a composite number because it can be divided evenly by 2 or 3.

So, if a multiple of 5 (5,10,15,120,25,...) is divisible by 5, then it is a composite number. Hope this helps!

Sauron [17]3 years ago

4 0

5 and cross out all the other multiples of 5 in this list that would be 10

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3 years ago

A motor club has estimated that a 325 mile car trip will take 6 1/2 hours. What is the club assuming to be the average speed mil

In-s [12.5K]

Answer:

The average speed that the club is assuming is 50 miles per hour

Solution:

We know that Distance = Speed × Time.

Here it is given that distance is 325 miles and the time to cover 325 miles is $6_{2}^{1}$ hours which is equal to $\frac{13}{2}$ hours.

Now to find the average speed mile per hour we use the formula

$\begin{aligned} \text { Speed } &=\frac{\text { Distance }}{\text { time }} \\ &=\frac{325}{\frac{13}{2}} \\ &=\frac{325 \times 2}{13} \end{aligned}$