Answer:
Step-by-step explanation:
(a + b)² = a² + 2ab +b²
a = y & b = 10
(y + 10)² = y² + 2 *y*10 + (10)²
= y² + 20y + 100
According to my calculation it should be C: x= 1 and y = - 4
NOTE: I had it right on my online class.
Answer:
12x-15
Step-by-step explanation:
A triangle has 3 sides
An equilateral triangle has 3 sides that are all the same length
The perimeter of a triangle is
P = s1+s2+s3
P = 4x-4 + 4x-5+4x-5
Combine like terms
P = 12x -15
Hi!to calculate a square root without a calculator is to see if you can get to that whole number by squaring smaller numbers,or multiplying a smaller number by it self.
Answer:
Step-by-step explanation:
n, n+2, n+4
2(n+2)-n=11
2n+4-n=11
n+4=11
n=7
So the three consecutive odd terms are 7, 9, 11.
