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:
c
d
Step-by-step explanation:
Answer:
C. 
A. First Picture
Step-by-step explanation:
We are given the inequality,
.
On simplifying the inequality, we get,

i.e. 
i.e. 
i.e. 
So, we get the correct representations of the inequality are,
C. 
A. the First Picture
Answer:
What segments are we SUBTRACTING from ??