Answer:
2/8
Step-by-step explanation:
they can both be divides by two making 1/4 or multiply 1/4 by 2 and youll get 2/8
6x^2 + 12 x -7 =0
a=6
b=12
c=-7
x = {-12 +/- √[12^2 - 4(6)(-7)]} / [2(6)]
x= 0.472
x = -2.472
Answer:
x = -7
Step-by-step explanation:
So we are asked to find what x is equal to in the equation:
In other words, we are asked to solve for x.
Add 4 to both sides of the equation.
Multiply both sides by 7.
x = -7
So we have solve the equation for x and have found that x = -7.
I hope you find my answer and explanation to be helpful. Happy studying.
No, if you were to have three right angles, the fourth angle would also have to be a right angle. As a result, it would make the shape either a square or a rectangle.
9514 1404 393
Answer:
(c) 14.5 cm
Step-by-step explanation:
The relevant trig relation is ...
Sin = Opposite/Hypotenuse
sin(65°) = BC/BA
BC = BA·sin(65°) ≈ (16 cm)·0.9063 ≈ 14.501 cm
BC ≈ 14.5 cm
_____
<em>Additional comment</em>
As is often the case, a simple estimate is all that is needed to identify the correct answer choice.
You only need to know how the long side of a right triangle compares to the others. In an isosceles right triangle, both legs are √2/2 ≈ 0.71 times the hypotenuse. The long side of a right triangle will never be shorter than that. This means the long side must be greater than about 11.2, and cannot be greater than 16. There is only one answer choice in that range.
