To do this without a calculator, it may be easier to break the number into smaller parts.
420 * 6
= (400 * 6) + (20 * 6)
= 2400 + 120
= 2520
Hope this helps! :)
Answer:
(-1.5,0) (0,1)
Step-by-step explanation:
used desmos
complementary angles are angles that, when added together, make 90 degrees.
So you make your equation 4x+20+40=180.
Add like terms and get 4x+60=180.
Subtract 60 from both sides, get 4x=120.
Divide boths sides by 4, get your answer of x=30.
Hope this helps
Answer:
4
Step-by-step explanation:
8x=32
x = 4