Answer:
I dont know if you mean .05, but if you do mean that it would be the hundredths place. (if this isnt the right one I'm sorry.)
The viewer mistakenly determined that one of the equations in the system should be 2 x + y = 28. Instead modifications should have been made before applying the equation.
<h3>What is an Equation ?</h3>
An equation is a mathematical statement formed when two algebraic expressions are equated using an equal sign.
Total Questions = 20
Total Points = 28
Correct Answers = +2 points
Incorrect Answers = -1 point
The viewer represents the correct answers with x and the incorrect ones with y.
x+y = 20
for every correct answers 2 points;
and for every incorrect answers, -1 point
This can be written as
2x-y = 28
The viewer's mistake is that; instead of subtracting total incorrect points from the correct points, the viewer added them together;
now
2x-y = 28
x+y = 20
On adding the equations
]3x = 48
x = 16
y = 4
This means that the contestant answered 16 questions correctly and 4 questions incorrectly
The viewer mistakenly determined that one of the equations in the system should be 2 x + y = 28.
To know more about Equation
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Answer:
i know the ANSWER!
Step-by-step explanation:
To find the unit rate, we just divide.
So the unit rate is 1 hour = $14.
Answer:
A and C are mixed numbers
Step-by-step explanation:
- A mixed number is a whole number with a fraction.
- Correct Example: three and three-fourths is a mixed number.
- Incorrect Example: Three is not a mixed number.
