MATHEMATICS HIGH SCHOOL

A coach wants to know if baseball players who warm up before a game will score more points than those who don't warm up. He will break the team up into two groups and make sure each player gets equal time on the field. He will then count how many points each player makes during the game. What statistic should he study?The mean number of points earned by each player
The standard deviation of the number of points earned by each player
The standard deviation of the number of points earned by each group
The mean number of points earned by each group

Answers

Answer 1
Answer: the man number of points each player
Answer 2
Answer:

Answer:

The mean number of points earned by each player.

Step-by-step explanation:

I  am just rewriting the answer before me in a more understandable fashion. It is the same answer, yet still lacking an explanation. Hope this will make it easier for anyone else confused by the grammar of the above answer.

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What is the solution of the system defined by y = -x + 5 and 5x + 2y = 14?
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Suppose that x and y are real numbers, and x^2 + y^2 = 4. Find all ordered pairs (x, y) that satisfy this equation. A) (2, 0) B) (0, 2) C) (-2, 0) D) (0, -2)

Answers

Answer:

All of them satisfy the equation.

Step-by-step explanation:

x^2 + y^2 = 4

2^2 + 0^2 = 4 True

0^2 + -2^2 = 4 True

-2^2 + 0^2 = 4 True

0^2 + -2^2 = 4 True

a test has 25 questions and is worth a total of 100 points. it consists of multiple choice that are worth 8 points each and short answer that are worth 3 points each. how many multiple choice are there on the test?

Answers

Answer:

5

Step-by-step explanation:

8*5=40  and then 20 short answer that are 3 each. that makes up the rest of the 60 points

Answer:

There would be 5 multiple choice questions

Step-by-step explanation:

5x8=40

20x3=60

25 questions for total of 100 points

Variable y varies directly with variable x, and y = 16 when x = 12. Enter the constant of variation in lowest terms.

y = blank/ blank x

Answers

y=kx
find k
y=16
x=12
16=k12
divide 12
16/12=k
4/3=k

y=4/3x

blanks is 4/3

Please help me!!!!!!!

Answers

Answer:

a? ya- no (jk its c) :)

Step-by-step explanation:

uh there the same degree to find the others find out from 180

Abe is hiding 12 meters south of Nathan and Jessica is hiding due east of Abe if Nathan is 20 meters from Jessica , how far apart are Abe and Jessica .

Answers

It would be 16 meters
This is because you have to visualize it as a right triangle. The hypotenuse is 20, and one side is 12. Take the square of each number and take the absolute value of the difference. Once you’ve done that, take the square root of that number.
This involves using the Pythagorean theorem, and you can subtract one part to find the other side

Mr. Prince takes his wife and two children tothe circus. If the price of a child’s ticket is 1/2
the price of an adult ticket and Mr. Prince pays
a total of $12.60, find the price of a child’s
ticket.

Answers

Facts:
MR Price takes his wife + two children
The price of adult's ticket is 2 times higher that child's
They paid $12.6 in total

Answer:
X is the price of child's ticket so equation will look:

2x (fathers' ticket) + 2x (mother's ticket) + x (first child) + x (second child) = $12.6 (total price)

6x = 12.6
X = 2.1

Child's ticket costs $2.1

Answer:

12

Step-by-step explanation:
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Hello help 4 brainliest answer!