Answer:
Step-by-step explanation:
170=40x+50
170=40x+50 subtract 50
120=40x divide by 40
3=x
Answer:
42
Step-by-step explanation:
All you have to do is multiply all the choices together so 7x3 is 21x2 is 42. Or you can make a tree diagram.
Answer:The distance formula itself is actually derived from the Pythagorean Theorem which is a 2 + b 2 = c 2 {a^2} + {b^2} = {c^2} a2+b2=c2
Step-by-step explanation:
Answer:
c = 36
Step-by-step explanation:
x^2 + 12x
Take the coefficient of x
12
divide by 2
12/2 =6
square it
6^2 = 36
Add this
c=36