Answer:
4
cm
Step-by-step explanation:
The diagonal divides the square into 2 right angles with legs s and the diagonal as the hypotenuse.
Using Pythagoras' identity in the right triangle , then
s² + s² = 8²
2s² = 64 ( divide both sides by 2 )
s² = 32 ( take the square root of both sides )
s =
= 4
Answer:
isn't it x=9..?
Step-by-step explanation:
3x+1=2x+10
3x-2x=10-1
x=10-1
x=9
Sqrt(-80) = 8.94427191i
Hope it helped :d
Answer:
A
Step-by-step explanation:
11 people were given 15% off in the afternoon
11 is the lowest number in the entire chart
Use PEMDAS to solve
(Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction)
Solve parenthesis first
<span>(1/3+9) x ( 8-3)
</span>28/3 x 5
Use Multiplication
28/3 x 5 ≈ 4.7
After rounding 4.7 should be your answer