Answer:
15
Step-by-step explanation:
3*6 - 6/2
18 - 3
15
Answer:
Student 3
Step-by-step explanation:
Part of the 3-4-5 Pythagorean triples.
Answer:
During the winter clearance sale, The Cyclery has marked down all bicycles
20 percent and all accessories 25 percent. You purchase a 26-inch 10-speed bike
that regularly sells for $399.95, a chain and lock that regularly sell for
Step-by-step explanation:
hope it helps
Answer:
72
Step-by-step explanation:
First differences are ...
18 -17 = 1
22 -18 = 4
31 -22 = 9
47 -31 = 16
We observe that these are square numbers. The next square number is 25, so we expect the next number in sequence to be ...
47 +25 = 72
Answer:
14
Step-by-step explanation:
(a+b)^2
(a+b)(a+b)
FOIL
a^2 + ab+ab + b^2
Combine like terms
a^2 +2ab + b^2
Rearranging
a^2+b^2 +2ab
We know a^2+b^2 = 4 and ab= 5
4 + 2(5)
4+10
14
