There are 440 boys and 460 girls
I think the answer would be 8+9
Answer:
20 will be the answer
you've to remove decimal from the sum.
have a great day ahead
plz mark me as brainliest plzz
Answer:
X=9 or x=-9
Step-by-step explanation:
X^2=81
Can be written as
x^2-81=0
Factorize by the property:
a^2-b^2=(a-b)(a+b)
So the expression becomes:
(x-9)(x+9)=0
Therefore, either x-9=0or x+9=0
Then the solutions are x=9 or x=-9
Answer:
2^2 your welcome
Step-by-step explanation:
