We assume the two numbers are x and (x+1)
so x^2+(x+1)^2=421
x^2+(x^2+2x+1)=421
2x^2+2x-420=0
According to the formula of quadratic
x=14 or-15
cuz we know the two numbers are integers
so x=14
therefore the other number is 15
To make sure that's correct
14^2+15^2=421
Hope that helps you!!
Answer:the answer is b or c
Step-by-step explanation:
Is it number 21 you need help with?
Answer:
1.45 m
Step-by-step explanation:
Convert 1.5 metre into cm
1.5 metre =150 center meters
150 cm -5=145
145 into metres is 1.45 m
Answer:
<u>Final </u><u>answer </u><u>-</u>

hope helpful :D