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dexar [7]
3 years ago
15

 

Mathematics
1 answer:
Molodets [167]3 years ago
6 0
The answer that I got is C<span />
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The quiz scores for two different groups of math students are given below. Use the mean and standard deviation to determine whic
Katena32 [7]
The answer is Group B

7 0
3 years ago
Read 2 more answers
At the movie theater the prince on 1 adult ticket and 4 child tickets is $44 the price of 5 adults tickets and 2 child tickets i
nydimaria [60]

The cost of one adult ticket is $12 and cost of one child ticket is $8.

Step-by-step explanation:

Let,

Cost of one adult ticket = x

Cost of one child ticket = y

According to given statement;

x+4y=44    Eqn 1

5x+2y=76   Eqn 2

Multiplying Eqn 1 by 5

5(x+4y=44)\\5x+20y=220\ \ \ Eqn\ 3

Subtracting Eqn 2 from Eqn 3

(5x+20y)-(5x+2y)=220-76\\5x+20y-5x-2y=144\\18y=144

Dividing both sides by 18

\frac{18y}{18}=\frac{144}{18}\\y=8

Putting y=8 in Eqn 1

x+4(8)=44\\x+32=44\\x=44-32\\x=12

The cost of one adult ticket is $12 and cost of one child ticket is $8.

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/1357167
  • brainly.com/question/1386181

#LearnwithBrainly

7 0
3 years ago
The crafting club sold art calendars for a recent fundraiser. The table below lists the number of calendars sold by each member
solniwko [45]

Answer:

there is no table below, you have to add a picture

Step-by-step explanation:

3 0
3 years ago
One of the tallest living men has a height of 236 cm. One of the tallest living women is 224 cm tall. Heights of men have a mean
Roman55 [17]

Answer:

A. The woman is relatively taller because the z score for her height is greater than the z score for the man​'s height.

Step-by-step explanation:

Whoever has the highest z-score, is taller relative to the population of the same gender.

The z-score of a value X in a set with mean \mu and standard deviation /sigma is given by:

Z = \frac{X - \mu}{\sigma}

Solution:

Heights of men have a mean of 170 cm and a standard deviation of 6 cm. One of the tallest living men has a height of 236 cm. So the z-score of his height is:

Z = \frac{X - \mu}{\sigma} = \frac{236-170}{6} = 11

Heights of women have a mean of 161 cm and a standard deviation of 5 cm.

One of the tallest living women is 224 cm tall. The z-score of the women's height is

Z = \frac{X - \mu}{\sigma} = \frac{224-161}{5} = 12.6

The women has a higher z-score, so she is relatively taller.

The correct answer is A

3 0
4 years ago
What is the equation of the axis of symmetry for the parabola y=1/2(x-3)^2+5
Rus_ich [418]

The general vertex form equation of the parabola is

y=a(x-h)^2+k

The Axis of Symmetry is given by

x=h

For the given equation the Equation of the Axis of symmetry for the parabola y=1/2(x-3)^2+5 as x=3.

5 0
3 years ago
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