Mathematics High School

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1. If Bob scored a 75 on a test with a mean of 75, what would his z-score be?

Answer This Question With The Image Provided1. If Bob Scored A 75 On A Test With A Mean Of 75, What Would

Answers

Answer 1

Answer:

the z score is 25

Step-by-step explanation:

since 75 needs 25 more for and 100%

Answer 2

The z-score of Bob if he scored 75 on a test that has a mean of 75 is: z-score = 0.

What is the Z-score?

The z-score = (raw score - mean score)/standard deviation.

A z-score of 0 means the raw score is exactly average.

For a raw score of 75, where the average(mean) is 75, the z-score would definitely be 0.

Thus, Bob's z-score is 0.

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Related Questions

Which is the equation of a line with a slope of - 1/3 and a y-intercept at (0,1)?

Answers

Answer:

y = - [tex]\frac{1}{3}[/tex] x + 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - [tex]\frac{1}{3}[/tex] and given (0, 1 ) then c = 1

y = - [tex]\frac{1}{3}[/tex] x + 1

Translate the verbal expression into an algebraic expression.
The product of 7 and the square of r, increased by the difference of 5 and x^2

Answers

Answer:

[tex]7r^{2} +5-x^{2}[/tex]

Step-by-step explanation:

The "product" is the answer to a multiplication problem, which is why we know to multiply in the beginning of the equation. "The square of r" means r squared, which translates to r^2. Therefore, the product of 7 and the square of r would be translated into [tex]7r^{2}[/tex].

"Increased by" means addition because you are increasing the previous value, so we know to add after [tex]7r^{2}[/tex].

The "difference" is the answer to a subtraction problem, which is why we know to subtract in this part of the equation. The difference of 5 and x^2 would be translated into [tex]5-x^{2}[/tex].

When we put all of these components together, we arrive at [tex]7r^{2} +5-x^{2}[/tex].

I hope this helps! If it does, a brainliest would be much appreciated :)

Solve for .
3(A) +1 = 10

Answers

The answer would be A= 3 because, 3x3= 9 then you add 9+1 and get 10

Hope this helps

Point B is on line segment AC.
Given AB=13 and BC=2, determine the length AC


Answers

Answer:

15

Step-by-step explanation:

AB+BC= AC

13+2= 15

Which of the following questions represents this equation?
m + 13 = 21

What number when increased by 21 is equal to 13?

What number when subtracted from 13 is equal to 21?

The sum of what number and 13 is equal to 21?

What number when multiplied by 13 is equal to 21?

Answers

The answer is the third one

Answer:

The sum of what number and 13 is equal to 21?

Step-by-step explanation:

You and your dog go for a walk to the park. On the way, your dog takes many side trips to chase squirrels, mark its territory on a tree, and smell other dogs. When you arrive at the park, do you and your dog travel the same distance?

Answers

Answer:

yes because its not how much you walk if it is the same distance to the park, then yes. You walked the same distance to the park, however the dog ran more around, you were possibly following the dog so... yea.

If f(x) = x^2+x-3, then f(3a) =
(a) 3a^2+3a-3
(b) a^2+3a-3
(c) 3a^2+3a+3
(d) 9a^2+3a-3
(e) 9a^2-3a+3

Answers

Answer:

A

Step-by-step explanation:

With functions all you need to do is substitute in the passed value for x.

Describe the difference between an addition problem and a sum.

Answers

Answer:

The addition problem is the equation of which you have to solve. The sum is the answer to that problem...

Answer:

an addition problem is an entire equation, the blueprint of something. it shows how you got your answer and what you had to do to find it. a sum is like the final product, you use the blueprints (the problem) to get the house (the sum) the sum is the result of everything you did to work out the problem

3.46 x 10-2
Scientific method

Answers

Answer:

Assuming that you want to expand it, the answer would be 0.0346 because it is 10^-2, meaning that you move the decimal two spaces to the left because it has a negative in front of the two.

Step-by-step explanation:

Three-fourths of a number decreased by 10 is greater than or equal 5.

Answers

Hey there! I'm happy to help!

Let's call this number n. We have 3/4 of n, so we can write this as 3/4n.

We decrease this by 10. This means we subtract 10.

And this is greater than or equal to 5, giving us this inequality.

3/4n-10≥5.

Have a wonderful day! :D

can someone help? I dont get it, where is 1/4??? i just want to know where 1/4 is.

Answers

Answer: 2/8

Step-by-step explanation: 1/4 is equal to 2/8 so the answer is 2/8.

Also the 2 numbers in between 1/4 and 5/8 is 3/8 and 4/8

Hope this helped!

Answer:

You have to find one fourth yourself All you have to do is find the number equivalent to 1/4 which is 2/8  ANSWER = 2/8

Step-by-step explanation:

Solve for the variable. Show all work. |-3 + k| = 10

Answers

Answer:

[tex]k = 13[/tex] or [tex]k = -7[/tex]

Step-by-step explanation:

The following equation:

[tex]| -3 + k | = 10[/tex]

-Switch sides:

[tex]| k - 3 | = 10[/tex]

-There are two equations from the following equation:

Equation 1:

[tex]k - 3 = 10[/tex]

Equation 2:

[tex]k - 3 = -10[/tex]

-Solve equation 1:

[tex]k - 3 = 10[/tex]

[tex]k - 3 + 3 = 10 + 3[/tex]

[tex]k = 13[/tex]

-Solve equation 2:

[tex]k - 3 = -10[/tex]

[tex]k - 3 + 3 = -10 + 3[/tex]

[tex]k = -7[/tex]

Answers:

[tex]k = 13[/tex] or [tex]k = -7[/tex]

which number line represents the solution to |-2x|=4​

Answers

Answer:

i believe its the second number line

Answer:

C I think hope this helps

I played 4 video games and had an average score of 10,000 points per game.
The
average
score of the first 3 games was 8,000 points per game. How many points did I score in the 4th
game? *

Answers

Answer:

Wilt Chamberlain set the single-game scoring record in the National Basketball Association (NBA) by scoring 100 points for the Philadelphia Warriors in a 169–147 win over the New York Knicks on March 2, 1962, at Hershey Sports Arena in Hershey, Pennsylvania. It is widely considered one of the greatest records in basketball. Chamberlain set five other league records that game including most free throws made, a notable achievement, as he was regarded as a poor free throw shooter. The teams broke the record for most combined points in a game (316). That season, Chamberlain averaged a record 50.4 points per game, and he had broken the NBA single-game scoring record (71) earlier in the season in December with 78 points. The third-year center had already set season scoring records in his first two seasons. In the fourth quarter, the Knicks began fouling other players to keep the ball away from Chamberlain, and they also became deliberate on offense to reduce the number of possessions for Philadelphia. The Warriors countered by committing fouls of their own to get the ball back.

The game was not televised, and no video footage of the game has been recovered; there are only audio recordings of the game's fourth quarter. The NBA was not yet recognized as being a major sports league and struggled to compete against college basketball. The attendance at this game was around half of capacity, and no members of the New York press were at the game.

Contents

1 Prologue

2 Game report

2.1 First three quarters

2.2 Breaking records

2.3 Finale

3 Aftermath

4 Legacy

5 Box score

6 See also

7 Notes

8 References

9 External links

Step-by-step explanation:

help u

i need number 6 i will be giving brainlyist

Answers

Answer:

The last answer

Step-by-step explanation:

It starts at 7 and grows 1.5 per year. the per year tells you where your x/y will go

Answer:

the last answer

Step-by-step explanation:

Enter two million, eighty-seven thousand, three hundred four.

Answers

Answer:

2,087,304..........

Daveon rode his bike to the end of the street is 37.6 seconds. Davaris took 42.5 seconds to reach the end. How much faster did Daveon ride than Davaris?

Answers

Answer:

4.9 Seconds.

Step-by-step explanation:

Simply subtract 42.5 and 37.6 and you will get your answer.

Answer: 4.9 Seconds.

   And please put down as brainlist hope this helped.

4. What is the first step to solve 5x + 3 = 18 *
(2 Points)
Divide each side by 5
Add 3 to each side
Subtract 5x from both sides
Subtract 3 from both sides
?

Answers

Subtract 3 from both sides

Answer:

5x+3=18

Solution :

Or,5x=18-3

Or,5x=15

Or, x=15%5

Therefore, x=3

Hope that helps :)

Complete this in your book on page 39, then take a picture and upload it here. Here is Trapezoid A in the coordinate plane: Draw Polygon B, the image of A, using the y-axis as the line of reflection. Draw Polygon C, the image of B, using the x-axis as the line of reflection. Draw Polygon D, the image of C, using the x-axis as the line of reflection.

Answers

ok.................................................thank you

Answer:

b

Step-by-step explanation:

hhufytcyttfyrcyfcyttcycyrcyrcgrchggvgfchgfcggfcgfcgfcfgcgfc

what is 80 divided by 60

Answers

Answer:

1.3333333333333

Step-by-step explanation:

80 divided by 60 is equal to 4/3.

What is a quotient?

In Mathematics and Geometry, a quotient is a mathematical expression that is simply used to represent the division of a number (numerator) by another number (denominator).

Based on the information provided above, we can logically deduce that the following mathematical expression would represent the "the quotient of a number 80 and 60;"

Expression: 80/60

By dividing by 20, we have:

Expression: 4/3

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Simplify
3 x 42 x 2y

Answers

45x+2y because you say 42 plus 3. You can do anything with the 2y because you can’t add anything to it.

25. Crown Molding You are decorating the perimeter of the ceiling of your living room
with crown molding. The expression 2x + 2y represents the total amount of molding
you need where x is the width of the room (in feet) and y is the length of the room
(in feet). Find the total amount of wood you need if the room is 11 feet wide and
10.5 feet long

Answers

Answer:

43 feet

Step-by-step explanation:

2x + 2y

2(11) + 2(10.5)

= 22 + 21 = 43

-2=9- -t what is t?.....

Answers

Answer:

-11

Step-by-step explanation:

-2=9-(-t)

-2=9+t

-2-9=t

t=-11

-1/4 + -3 5/8

4.5 - 7.7

7.7 - 6.7

5.9 - 3.8

-0.5 + -7.3

(Please answer in order)

Answers

-3.875

-3.2

1

2.1

-7.8

hope this helps!

Write this equation in slope-intercept form by isolating the y-variable. 12x = 4y y= x

Answers

Answer:

3x

Step-by-step explanation:

I took the the answer so I know it

Answer: 3

Step-by-step explanation: On Edge!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Give the zeros, write the polynomial.
x= -sq rt (3), sq rt (3)

Answers

Answer:

hmm

Step-by-step explanation:

Which division problems below have the same quotient as –27 ÷ 9? Check all that apply.
3 ÷ 1
18 ÷ (–6)
–6 ÷ –2
27 ÷ (–9)
–15 ÷ –5
–9 ÷ 3

Answers

Answer:

B D F

Step-by-step explanation:

I am just here to clarify.

Answer:

Probaly isnt usefull anymore but to whoever still needs to know its B, D, F or 18 ÷ (–6), 27 ÷ (–9), and –9 ÷ 3

Step-by-step explanation:

Marsha have the cashier $20 to pay for 3 pairs of socks. The cashier gave her $5.03 in change. Each pair of socks cost the same amount. What is the cost in dollars and cents for each of socks?

Answers

Answer:

Each sock cost $4.99.

Step-by-step explanation:

Step 1- Subtract

20-5.03= 14.97

Step 2- Divide by 3.

14.97÷3= 4.99

So, every pair of socks cost $4.99.

Each sock cost 5$ or 4.99$

What are the domain and range of the function represented by the table?

Answers

Answer:

C

Step-by-step explanation:

Apex

The domain of the function is (-8, -6, -4, -2,0) and the range is 2. The correct option is C.

What are a range and domain?

The range of values that we are permitted to enter into our function is known as the domain of a function. The x values for a function like f make up this set (x).

A function's range is the collection of values it can take as input. After we enter an x value, the function outputs this sequence of values.

The given data is as below:-

x  ( -8, -6, -4, -2, 0 )
y  (  2 , 2 , 2 , 2 , 2 )

For all the values of x, the output is 2. The domain of the function is (-8, -6, -4, -2,0) and the range is 2.

Therefore, the domain of the function is (-8, -6, -4, -2,0) and the range is 2. The correct option is C.

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Hi i need help plz help me

Answers

Answer:

work is shown and pictured

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