Answer:
50+50=100
100+100=200
Step-by-step explanation:
The sum of 2 numbers is 100. 50 x 2 = 100
Twice the first number plus twice the second number is 200.
50+50=100 so therfore 100+100 makes 200
8*0=0 and 8+0=8
the answer is 8 and 0
Answer:
c
Step-by-step explanation:
Use the metric relations,
AC*CD=BC^2
=>
5*CD=9^2
solve for CD
CD=9*9/5=16.2
Answer:
5x^2+x-4
Step-by-step explanation:
Multiply 5x into (x+1)
to get 5x^2+5x
Multiply -4 into (x+1)
to get -4x-4
Combine like terms
5x^2+5x-4x-4
Answer:
5x^2+x-4
