Answer
4000
900
0
7
Step-by-step explanation:
Not so sure about the answer though
27 is the answer, I can explain how I got that if you need.
Answer:
Step-by-step explanation:
add each number together
each of them should equal 88
then divide it by how many numbers there are. So it's 8.
this equals 11
Angles are 18° and 72°
Step-by-step explanation:
- Step 1: Find the two complementary angles in the ratio 1:4. Let the angles be 1x and 4x.
x + 4x = 90° (∵ they are complementary)
5x = 90
∴ x = 90/5 = 18
⇒ Angles are 18° and 4x = 72°
(2y-9)(2y-9)
(2y-9)^2
(2y)^2-2*2y*9+9^2
4y^2-36y+81
