25² = ( 20 + 5 )² This is the square of a binomial:
( a + b )² = a² + 2 a b + b²
625 = 20² + 2 · 20 · 5 + 5²
625 = 400 + 200 + 25
625 = 625 ( correct )
Answer:
a) 3:2
b)2:5
Step-by-step explanation:
Hope that helps!
Answer:2.6
Step-by-step explanation:
Use your graphing calculator of you have one and if you don't you can find one online and plug in the equation and find the intersection . If you get 2.5571 round it to the nearest tenth and you should get 2.6
Answer:
x^16
Step-by-step explanation:
We know that a^b * a^c = a^ (b+c)
x ^7 * x^9
x^(7+9)
x^16
Answer:
Deductive Reasoning.
Step-by-step explanation:
Basically it’s logical thinking in simply terms.
