Help please explain answer.
1 answer:
Answer:
A. 20
Step-by-step explanation:
Firstly, you have an equation where x is unknown.
It is said to find the result of this equation if x is 5.
That means you have to substitute 5 instead of x in your equation.
That will be:
3*5+4*5-15
When you calculate that, you get number 20.
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Answer:
35.612
Step-by-step explanation:
Answer:Sally would have 2 apples left
Step-by-step explanation:Because 4-2=2 so she gave 2 away so she has 2 left.
It would be positive 4/3 or the inverse would be -3/4
RHS
=4x-27/0
=not defined=0
LHS
=x-2x+3x+4/7=2x+4/7=(14x+4)/7= 14x+4.
14x=-4
x=-4/14
X=-2/7
You use inclined planes by putting an object on something and push it down like a ramp.
