Answer:
a=5, b=-2
Step-by-step explanation:
If you simplify the equation, you get:
3ax +6 -4x -4b - 11x - 14 = 0 =>
3ax - 15x -4b -8 = 0
group together x's and constants:
(3a-15)x -8 -4b = 0
To make this 0 for all x, we have to find an a such that 3a-15 = 0 and b such that -8-4b = 0. this leads to a=5, b=-2
Answer:
=64 ft
Step-by-step explanation:
The wire, the pole and the flat surface form a right triangle with a base angle of 40°. The pole is the height of the triangle and is opposite the angle 40°.
Therefore we can use the trigonometric ratio -sine of the angle 40° -to find the height.
Sin∅ =opposite/hypotenuse
opposite=hypotenuse × sin∅
=100ft × Sin 40°
=64.28ft
≅64 ft
Answer:
900 centimetres
Step-by-step explanation:
there are 100 centimetres in a meter so i multiplied 9 x 100
i hoped i could help
I don’t know which one you need help with so I’ll answer #1. A triangle cannot have two right angles because the angles in a triangle have to add up to 180°. Since a right angle is 90°, two of those will make 180°. Since a triangle has three angles, that doesn’t leave anything for the third angle, and you can’t have a 0° angle. Also, you could have figured this out by trying to draw it, it’s impossible! This is because it would require a fourth line to complete the shape, which makes it a square!