Answer:
Step-by-step explanation:
x + 3y = 9 this can be rewritten to x = 9 - 3y
and substitute the equation to 2x - y = 4
it becomes
2 (9 - 3y) - y = 4
hope it helps
Answer:
a. 28.26 square in.
Step-by-step explanation:
diameter= 6 inches
radius= 3 inches
Area of circle:
=πr²
=3.14×3²
=3.14×9
=28.26 inches
Answer:
step 3 addition: 20 + 9 = 29
step 4 subtraction: 29 - 2 = 27
solution 27
Step-by-step explanation:
since there's no more multiplication or division, you add and subtract from left to right
Well I would look up all the steps online but you have to divide like 10 then multiply
Zero because -12 does not equal 12
