Add 3 to both sides so that the equation becomes 2x^2 + 7x - 6 = 0.
To find the solutions to this equation, we can apply the quadratic formula. This quadratic formula solves equations of the form ax^2 + bx + c = 0
x = [ -b ± √(b^2 - 4ac) ] / (2a)
x = [ -7 ± √(7^2 - 4(2)(-6)) ] / ( 2(2) )
x = [ -7 ± √(49 - (-48) ) ] / ( 4 )
x = [ -7 ± √(97) ] / ( 4)
x = [ -7 ± sqrt(97) ] / ( 4 )
x = -7/4 ± sqrt(97)/4
The answers are -7/4 + sqrt(97)/4 and -7/4 - sqrt(97)/4.
I think it is 1920 because
Lenght ×width
12×16=72×10=1920
Hope this helps
Answer:
12/5
Step-by-step explanation:
Remember SOH CAH TOA
Answer:
= 3⁻⁵
= 1/(3⁵)
Step-by-step explanation:
3⁴ * 3⁻⁹ = 3⁴⁺⁹ = 3⁻⁵ = 1/(3⁵)
Answer:
44.99
Step-by-step explanation:
O (-2 , 5) W (4 , 8) C (-4 , -1) L (8 , 5) N (6 , 4)
OW = √((4 - (-2))² + (8 - 5)² = √45 = 3√5 = 6.71
CL = √((8 - (-4))² + (5 - (-1))² = √180 = 6√5 = 13.42
WN = √(6 - 4)² + (4 - 8)² = √20 = 2√5 = 4.47
area COWL = ((6.71 + 13.42) x 4.47) / 2 = 44.99
