Answer:
80%
Step-by-step explanation:
Total no. of questions=15
No. of questions answered correctly=12
Percentage of correct answers=(No. of questions answered correctly/Total no. of questions)*100
=(12/15)*100=80%
Answer:
Step-by-step explanation:
Given
Required
Express 
as trigonometry expression
Factorize
Split
We have:
Make x the subject
So:
Evaluate all squares
Factorize
Split
In trigonometry
So, we have:
Evaluate the square root
Answer:
4x
Step-by-step explanation:
Like terms are terms that share the same variable (or base) and the same exponents.
5x and x are like terms in that they share the variable x but the coefficients are different.
To combine like terms you would look at the sign (in this case, a subtraction sign) and subtract the two coefficients.
There is an imaginary 1 in attached to x, so you are basically subtracting 1 from 5.
5x - x = 4x
4x is equivalent to 5x - x.
Answer:
-2/5 and 3/2
Step-by-step explanation:
f(x)=10x²-11x-6
0=10x²-11x-6
(5x+2)(2x-3)=0
5x+2=0, 2x-3=0
5x=-2, 2x=3
x=-2/5, x=3/2
Answer:Median
Arrange your numbers in numerical order.
Count how many numbers you have.
If you have an odd number, divide by 2 and round up to get the position of the median number.
If you have an even number, divide by 2. Go to the number in that position and average it with the number in the next higher position to get the median.
Step-by-step explanation:
