Answer:
Yes because it fits the Pythagorean Theorem
Step-by-step explanation:
see: 5 ^2 = 25
and 3^2 + 4^2 = 9 + 16 = 25
25 = 25
so it is
Answer:x=3
Step-by-step explanation:
-5x=-15
divide by -5
x=3
Step-by-step explanation:
Let (2n +1) be the larger odd number by definition, where n can be any real integer. Then (2n - 1) is the smaller consecutive odd number.
The product of the 2 odd numbers is (2n + 1)(2n - 1) = 4n^2 - 1 = 2(2n^2) - 1. Since n^2 must be an integer, 2(2n^2) - 1 is odd. (Shown)
Answer:
The radius of the town is 3.641 km.
Step-by-step explanation:
The density of people in the city is given by the formula:
density = number of people / area of the city
Since the city is a perfect circle, it's area is given by:
area of the city = pi*r²
We have:
480 = 20000/pi*r²
480*pi*r² = 20000
r² = 20000/480*pi
r = sqrt(20000/480*pi) = 3.641
The radius of the town is 3.641 km.
Multiply 6 and 21 and you get 126. You will need to find two factors of 126 which will add up to 24 (the middle number of the equation). After guess and check, the two numbers are 14 and 9. Instead of 24x, replace it with 14x and 9x.
Factorise each pair separately,
Hope this helped!
