3x+x+20 = 180
4x = 180-20
4x = 160
x = 40
×+20+3x+2x+38+C=360
40+20+3×40+2×40+38+C=360
40+20+120+80+38+C=360
298+C=360
C=360-298
C =62°
If you don't undersstand how i did it just ask me :)
The perpendicular slope to y = 4x + 1 is y= -1/4x +5
50 is a composite number. 50 = 1 x 50; 2 x 25; or 5 x 10. Factors of 50: 1, 2, 5, 10, 25, 50.
Prime factorization: 50 = 2 x 5 x 5.
She made 20 oatmeal cookies
4/5 = 0.8
0.8 x 25 = 20