Answer:
3220
Step-by-step explanation:
5x4=20
3x6=18
20+18=38
1=60
38x60=2280
20x25=500
2280+500=2780
6000-2780=3220
Answer:
Step-by-step explanation:
Use the Law of Cosines to find the measure of angle A from the lengths of the sides.
A = arccos[(b²+c²-a²)/(2bc)] ≅ 29.9°
B = arccos[(a²+c²-b²)/(2ac)] ≅ 54.8°
C = 180 - A - B = 95.3°
Answer:
Ans. = 18
Step-by-step explanation:
= -1 (-1)(-3)(-6)
= 1×18
=18
Answer:
Step-by-step explanation:
There are several approach to solving a quadratic equation; factorization, completing the square, the use of 'the almighty formula etc. Though i didn't see the steps you followed in solving, but from your answer, it is obvious you made good attempt but something is missing, your answer should be (5+√57)/2 or (5-√57)/2