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How do you make 15 by using 4 only?
Well, honey, to make 15 using only the number 4, you can do 4 + 4 + 4 + 4 + 4 - 4 = 15. It's not rocket science, just basic math. So go ahead and impress your friends with your newfound arithmetic skills.
How do you make 15 using only 3 4's?
if your using whole numbers, u can only use 3
What equals 17 using the numbers 8 1 5 4 4 in order?
The only way I can see to reach the answer of 17 is: 8 + 15 + 4 + 4 = 8 + 1 + 4 + 4 = 17. I hope that using the "5" as a power is acceptable.
Why isn't 15 a prime number?
A number is prime if it has only 1 and itself as factors. For example, 7 is a prime number because it has only 1 and 7 as factors. 15 isn't a prime number because it has 1, 3, 5, and 15 as factors.
What is the measure of an angle of 15 side shape?
A 15 sided shape's total number of degrees can be found using the formula (x-2)*180, where x is the number of sides. Using this we find that a 15 sided shape's total degrees is 2340. Divide that number by 15 to get the degrees of each interior angle. It comes out to be 156 degrees.
