Answer:
Figure out what x is for both equations, then you can tell if the equations are the same
Step-by-step explanation:
1. 4x+1=9
x = 2
4 x 2= 8
2x+1=5
x = 2
2 x 2 = 4
4 does not = 9 so no.
The scientific notation for 568 is
568 *10^9
Answer:
80 questions
Step-by-step explanation:
100%/20%=5%
5×16=80
Therefore, there are 80 questions in the test.
Answer:
86 - 3x
Step-by-step explanation:
1- Calculate
