C. 10r-3
Because 2r+5=7, the minus 6 and 7 which gives you 1 then minus 4 and 1 witch is 3 then you do 10r-3 and it will get you to 2r+5=7 again. I hope this helped!
Answer:
Marta
Step-by-step explanation:
We are given that
We have to find who is correct and explain.
We know that
Equation: It is mathematical sentence that combines numbers and variables which shows the equality of two expressions.
Example:
Expression: It is mathematical phrase that combines numbers and variables
using mathematical operators.It can be evaluated but not solved.
Example:
By definitions
It is in equation form.
Therefore, Marta is correct.
Answer:
y= -7x+7
Step-by-step explanation:
y= mx+b
y= slope x+ y intercept
Answer:
Volume :
=1/3 a^2h
=1/3•1.5^2•50
= 104.16666666667 centimeters^3
Hope this helps you out and is what you were looking for! ☺