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:
15$
Step-by-step explanation:
35-10=25$
25-5=20$
20-5=15$
Answer:
B. 9 < 10,
C. 10 > 9,
D. 9 (is less than or equal to ) 10
Step-by-step explanation:
A.10 < 9, not true 10 is greater than 9
B. 9 < 10, true 9 is less than 10
C. 10 > 9, true 10 is greater than 9
D. 9 (is less than or equal to ) 10 true 9 is less than or equal to 10
Answer:
10
Step-by-step explanation:
3c - 5 =2c +5
3c - 2c =5 +5
c=10
Answer:
10
Step-by-step explanation:
5 - 5 = 0 You would want to subtract five from zero giving you -5.
