Value of the digit 3 for 263 is
2 answers:
You might be interested in
Answer:
x=-3
Step-by-step explanation:
x+3=0
-3 -3
x= -3
opposite of addition would be subtraction. since your trying to solve for x You want to get x alone and you subtract by 3 on both sides which would cancel the 3 on the left, leaving:
if you follow the same process on all of them you come to the conclusion that only -3 is a zero in the options listed.
NOTE: When you become more experienced whenever you see expressions like that you'll come to realize that the zero is the opposite sign of the number if it's just x- or x+ a number.
example:
it'll be the opposite sign so since it's a negative the zero of that would be positive 40.
hope this helps!
Given:
.
To find:
The value of x.
Solution:
In triangles ABC and ADE,
(Right angles)
(Common angles)
(AA property of similarity)
We know that the corresponding sides of similar triangles are proportional. So,
On cross multiplication, we get
Therefore, the value of x is units.