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Natasha2012 [34]
3 years ago
6

Jan received -22 points on her exam. She got 11 questions wrong out of 50 questions. How much was Jan penalized for each wrong a

nswer?
Mathematics
2 answers:
svp [43]3 years ago
6 0
2 points for each incorrect answer.
Katena32 [7]3 years ago
6 0
One question was worth 2 points
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Rainbow [258]
It is D parabola because in a double right circular cone the vertex is in the middle of two opposite cones and cutting through the vertex is making parabola.
6 0
3 years ago
The manager at a golf course found that the population mean length of the holes at the golf courses is 415.9 yd. In this​ contex
tekilochka [14]

The manager at a golf course found that the population mean length of the holes at the golf courses is 415.9 yd. In this​ context, is the number 415.9 a parameter or a​ statistic?

Answer: The number 415.9 is a parameter because it represents the population characteristic.

<u>Explanation:</u>

Parameter: Parameters are numbers that summarize the entire population. For example the population mean summarizes the entire population, similarly population standard deviation describes the characteristic of entire population.

Statistic: Statistic are numbers that describes the sample. For example, the sample mean summarizes the sample which is drawn from the population, similarly the sample standard deviation describes the characteristic of sample.

Therefore, the population mean length of the holes at the golf courses (415.9 yd) is parameter.

4 0
3 years ago
The equation y = 3.5 x − 210 y=3.5x−210 represents the profit made by a manufacturer that sells products for $3.50 each, where y
soldier1979 [14.2K]

Answer:

the answer is c

Step-by-step explanation:

took the test

8 0
3 years ago
Factor this polynomial.
olga55 [171]

Answer:

Hey there!

The correct answer is A.

If you multiply it out with the FOIL method, you get -2x^2-7x-3

Let me know if this helps :)

7 0
3 years ago
Match the following items.
IgorLugansk [536]

Answer:

#1 is 3x + 4 =-17 #2 is 3x =-21 #3 is x = -7 #4 is 2x + x +4 = -17

Step-by-step explanation:

#1 gives you the problem ready to be worked out. #2 all you need to do to finish it is divide both sides by 3. #3 the answer is already there. #4 You need to combine the like terms then solve the problem.

3 0
3 years ago
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