Answer:
7
Step-by-step explanation:
Using the exact values for
cos45° =
and tan60° =
, then
2(cos²45° + tan²60°)
= 2( (
)² + (
)² )
= 2(
+ 3 ) ← distribute
= 1 + 6
= 7
Ratio of a length to width=5/2
l:x=5:2
l/x=5/2
l=5/2*x
L=10.5 feet
10.5*2/5=x
4.2 feet is width
Hello :
<span> the quadratic equation is: a(x-x1)(x-x2)
x1 and x2 the </span><span> roots
a: is</span><span> leading coefficient
in this exercice : 3(x-1)(x-2)</span>
Answer:
A pentagon has five sides