Answer:
The answer is x = 25%
Step-by-step explanation:
84 represents 100% of the questions.
63 represents x% of the correct answers.
x = (63x100)/84
x = 6300/84
x = 75% correct answers.
percentage of the wrong answers:
100% - 75% = 25%
Answer:
The width of rectangle is 
or 
Step-by-step explanation:
we know that
The perimeter of rectangle is equal to
where
L is the length of rectangle
W is the width of rectangle
we have
substitute
solve for x
simplify
Find the width of rectangle
substitute the value of x
Convert to mixed number
Answer:
45%
Step-by-step explanation:
- Add 9 and 11 to see how many students there are in all. The answer to this is 20.
- Divide 9 by 20. You get .45, which is equal to 45%.
Answer:
90°
Step-by-step explanation:
Since they are vertical angles, they equal eachother
4x+15=5x-5
add the 5 to both sides
4x+19=5x
subtract the 4x from both sides
x=19
Then you have to plug in 19 to find the measure of ZA
4(19)+14
76+14
90
14720 is answer. or product
