Answer:
Step-by-step explanation:
cos θ=sinθ
divide by cos θ
1=tan θ
tan θ=1=tan 45,tan (180+45)
θ=45°,225°
Part A you would just distribute your 3 to your X and your 5. After doing that you would get 3x+15+x=4x. Next you would combine like terms, meaning combine your x's together that is on the same side of your equal sign. So you would add 3x and x. When finished with that you would get, 4x+15=4x. You would then subtract your 4x on both sides of your equal sign. You then would get 15=0 which is no solution.
Part B you would distribute your 4 to your 1 and -x. After doing this your equation should then look like 4-4x=5x+8. Next you would try to get your like terms together. You would add 4x on both sides of your equal sign. Your equation should then look like 4=9x+8. Next you would subtract your 8 on both sides of the equal sign because your getting your terms together. Your equation should then look like, -4=9x. This answer would be one solution.
Part C you would combine your like terms, meaning add your 2x and x together to get your equation looking like, 3x+5=5+3x. You can tell just by looking at this equation it's going to be a infinite number of solutions.
Hope this helps! (:
Using the one point format, for a slope m, and point (x₁, y₁)
y - y₁ = m(x - x₁)
Slope, m = (4/5) point (x₁, y₁) = (0, 1), x₁ = 0, y₁ = 1
y - 1 = (4/5)*(x - 0)
y - 1 = (4/5)x
y - 1 = 4x / 5
5*(y - 1) = 4x
5*y - 5*1 = 4x
5y - 5 = 4x
5y = 4x + 5 is the equation of the line.
Answer:
x=14
y=10
Step-by-step explanation:
The median divide the data‘s set into two parts with the same frequency = 50%
then we must have 2+5+x+12+17 = 50 ⇔ 36+x=50 then x =50-36=14
also 20+y+9+7+4=50 ⇔ y=10
Like 8÷48 or 6÷48? like that
