Mathematics Middle School

Find the mean of the set of data. Use a calculator if necessary. (Remember to put the list in numerical order.)

15, 9, 11, 7, 5, 11, 26, 6

Mean is _____.

11.25
11.4
10
12.86

Answers

Answer 1

Answer:

11.25

Step-by-step explanation:

First, add the values up.

15+9+11+7+5+11+26+6=90

Then divide the sum by the number of numbers.

90/8=11.25

Answer 2

Answer:

11.25

Step-by-step explanation:

W

Related Questions

Instructions: Evaluate each algebraic expression when x=0 and when x=1. Use results to match each expression in the left table with its equivalent expression in the right table.

I only need the highlighted ones (a,c,e,g,i)

Answers

Answer:

Step-by-step expalination:

1,C=-4,C=0

2,E=-13,E=-8

3,G=2,G=3

4,I=2,I=1

How many of the Abelian Group properties hold for the Rubik's cube?

A) 1
B) 2
C) 3
D) 4
E) 5

Answers

B
That’s the answer anyway

What is the solution to the inequality 4(2x + 2) + 12 7 100?
A x 7 10
B x 7 20
C x 7 30
D x 7 40

Answers

Answer:

x>10

Step-by-step explanation:

4(2x + 2) + 12 > 100

Subtract 12 from each side

4(2x + 2) + 12 -12> 100-12

4(2x + 2) > 88

Divide by 4

4/4(2x + 2) > 88/4

2x+2 > 22

Subtract 2

2x+2-2 > 22-2

2x> 20

Divide by 2

2x/2 >20/2

x>10

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PLZ HELP 30 PTS ANSWER FAST AND I GIVE BRAINLIEST AND 5 STARS TO THE PEOPLE WHO DON'T GET BRAINLIEST!!!!!
Mr. Jacobs is going to make a histogram of the test scores from the last math test he gave. He plans to first organize the data into a stem-and-leaf plot and then make the histogram from the stem-and-leaf plot. The test scores are listed below.

79, 82, 65, 61, 94, 97, 84, 77, 89, 91, 90, 83, 99, 71, 68, 77, 87, 85

Which of the following histograms represents this data?

Answers

Answer:

4

Step-by-step explanation:

Answer is 4 hope this helps

PLS HELP :(

At the Manchester Ice Cream Parlor, one group of friends ordered 1 small serving of ice cream and 1 large serving of ice cream for $5. Another group of friends ordered 4 small servings of ice cream and 5 large servings of ice cream for $24. How much does the ice cream cost?

The ice cream costs $__ for a small serving and $__ for a large serving.`

Answers

large is $4
small is $1

Answer:

$24

Step-by-step explanation:

5 large servings = 4 + 4 + 4 + 4 + 4 = $20

4 small servings = 1 + 1 + 1 + 1 = $4

20 + 4 = $24

The ice cream costs $1 for a small serving and $4 for a large serving.

~ LadyBrain

Jezebel took a train to visit her uncle. The train traveled at a constant speed of 40 miles per hour. Complete the table.​ Then, write an equation to find the total distance d traveled after t hours.

Answers

Answer:

[see below]

Step-by-step explanation:

We can tell that for every hour passed the distance traveled by the train would increase by 40 miles.

We can use the equation d = 40t to determine the values of the table. The 'd' is total distance and 't' is the number of given hours.

Two hours:

d = 40(2)

d = 80

Three Hours:

d = 40(3)

d = 120

Four Hours:

d = 40(4)

d = 160

Hope this helps.

Multiply 40 by that number so basically y=Mx+b

CORRECT ANSWER Gets branliest!

Answers

Answer:

114.24 m2

Step-by-step explanation:

1. 8x8 = 64

2. 4^2 = 8

3. 8 x 3.14 = 25.12

4. 25.12 x 2 = 50.24

5. 50.24 + 64 = 114.24 m2

CHECK MY WORK BECAUSE I AM SO CONFUSED.

98.12 m^2

Here's the explanation:
8*8 is 64
4*2 is 8
8*3.14 is 25.12
Lastly, add all your results together, which equals 98.12.

I hope this helps. If available, please give me a branliest. It would be much appreciated, and It would help me answer more questions! Goodluck.

Help your poor girl out please. Thank you <3

Answers

Answer:

:)

Step-by-step explanation:

a)

48 = d + 23

48 - 23 = d + 23 - 23

25 = d + 0

25 = d

b)

W - 13 = 28

W - 13  + 13 = 28 + 13

W + 0 = 41

W =  41

c)

[tex]9x = 72\\\\\frac{9x}{9} = \frac{72}{9}\\\\x = 8[/tex]

d)

[tex]84 = 4n\\\\\frac{88}{4} = \frac{4n}{4}\\\\22 = n[/tex]

I think the answer is a

it is easy but it's confusing so i dont know

Answers

Answer:

84

I think so

Step-by-step explanation:

i dont know

It would be 110.25 for the area

plz help will be marked BRAINLIEST

Answers

Answer:

7 units, 6 units, 12 units,

5 units, 13 units, 11 units

Step-by-step explanation:

In all triangles, the sum of any two sides of the triangle must be larger than the third.

We can test this by adding the shortest two sides of any triangle and see if this is true:

[tex]3+4\ngtr 8\implies \text{No triangle},\\7+6> 12\implies \text{Triangle possible}\checkmark,\\5+11>13\implies \text{Triangle possible}\checkmark,\\6+4\ngtr 12\implies \text{No triangle},\\6+4\ngtr 10\implies \text{No triangle}[/tex]

60
POINTS! WILL GOVE BRAINLIEST


PLEASE ANSWER AS MUCH AS YOU CAN <33

Answers

Answer:

1 is 18 2 is 16 3 is 8 4 is 42 these the answers.

X / 2 = 9

2 x 9 = 18

1) 18


4 = t / 4

4 x 4 = 16

2) 16


3w / 20 = 12

20 x 12 = 240

3w = 240

3w / 3 = 240 / 3

w = 80

3) 80


5s / 7 = 30

5s = 30 x 7

5s = 210

5s / 5 = 210 / 5

s = 42

4) 42


Hope this helps ;)

hey please help i need it urgent rn

Answers

Answer:

13

Step-by-step explanation:

5 students physics

8 students chemistry

altogether 13

we dont take 11 becoz they are studying both chemistry and physics.. hope it helps

For a second answer I agree that it is indeed 13 the calculations are correct!

Help me please teachers trying to give me 8th grade problems

Answers

Answer:

x = 2

Step-by-step explanation:

Used a scientific calculator.

Answer:

x = 2

Step-by-step explanation:

5x - 7 = 3

Add seven to the minus 7 and 3

Which gives you:

5x = 10

Divide both sides by 5

Which gives you:

X = 2

What is the slope, m, and the yo intercept of the line that is graphed below?
A. m = 1; (0,3)
B. m = 1; (-3,0)
C. m = -1; (0,3)
D. m = -1; (-3,0)

Answers

Answer:

[tex]slope = \frac{(3 - 0)}{( - 3 - 0)} \\ = \frac{3}{ - 3} \\ = - 1[/tex]

B. m=1; (-3,0) ……………..

I need all of these answered correctly, if you please ^^
This is about percentages, I’m not good with these.

1. “ If 20% of a number is 35, what is 50% of that number? “

2. “ What is the decimal form of 17%? “

3. “ Tom gets $12 off a box of chocolates that had an original price of $48. What percentage is the discount? “

4. “ If 40% of a number is 32, what is 25% of that number? “

Answers

Answer:

Find out yo self

Step-by-step explanation:

like if yu have a iphone,ipad,macbook,anything apple

1) 175 & 87.5 2)0.17 3)25 4) 80 & 20

Can anyone please help with this for brainliest?

Answers

The answer is c
Explanation I’m smart

Answer:

The first one

Step-by-step explanation:

List the numbers in order from least to greatest:
4, -6, 0, 8, -9, 1, -3

Answers

-9,-6,-3,0,1,4,8⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

-9, -6, -3, 0, 1, 4, 8

Stephanos got a travel pack of 5 aspirin, each 500 milligrams. How many total grams are in the pack?

Answers

Answer:

2.5g

Step-by-step explanation:

I hope I didn't read the question wrong,

1 aspirin 500 miligram, so 5 aspirin=5x500=2500 milligram.

1000mg=1 g

so 2.5 grams aspirin is in the pack.

2500 milligrams or 2.5 grams

500mg x 5 = 2500
2500 = 2.5 grams

A park has 8 trees. One of those trees is a pine tree.

What fraction of the trees are pine trees?

1/2
1/3
1/8
1/6

Answers

1/8 this question is very very easy

Answer:

1/8

Step-by-step explanation:

becaause only one of the 8 are pine

hope this helps!

add me as a friend if you can<3

A bag of M&Ms have eight red 10 brown and six green what color are in the ratio of 5:3


Help please

Answers

Answer:

BROWN & GREEN

Step-by-step explanation

6 : 8 : 10

divide above ratio by 2

3 : 4 : 5

green : red : brown

3 : 5

green : brown

Answer:

brown and green

Step-by-step explanation:

10 (brown) / 6 (green)

if divided by 2 equals 5:3

If n(p)=20, n(Q)=30 and n (PUQ)=40

then

Draw a veen diagram of the above information.

Answers

Hope it helps you..
.
.
.
.
.

DUE JUNE 30TH!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer: a) Surface Area : 488 [tex]cm^{2}[/tex]

Volume : 672 [tex]cm^{3}[/tex]

b) Surface Area

c) Volume

Step-by-step explanation:

The object given is a cuboid. A cuboid has 6 sides.

To calculate the surface area and volume, we need the dimensions of the cuboid which are the length(l), breadth(b), and height(h).

According to the image given, l = 14 cm, b = 8 cm, and h = 6 cm.

a) Surface Area:

The formula for the surface area of a cuboid is  = 2*((l*b)+(l*h)+(b*h))

Therefore, the surface area = 2*((14*8)+(14*6)+(8*6)) = 488 [tex]cm^{2}[/tex]

The area is always denoted as [tex]cm^{2}[/tex]

Volume:

The formula for volume of a cuboid is  = l*b*h

Therefore, the volume = 14*8*6 = 672 [tex]cm^{3}[/tex]

The area is always denoted as [tex]cm^{3}[/tex]

b) Plating is done to usually protect the surface area of an Object. Therefore the answer is Surface Area.

c) If the brick is made of concrete, it means that the whole space occupied by the brick consists of concrete. Therefore volume is the right option.

To learn more about surface area and volume:

https://brainly.com/question/13789496

Answer:

1. Volume: 672cm

   SA: 488cm

2. SA
3. Volume

Please give brainly!

Liz eams a salary of $2,400 per month, plus a commission of 4% of her sales. She wants to earn at least $2,600 this month. Enter an inequality to find amounts of sales that will meet her goal. Identify what your variable represents. Enter the commission rate as a decimal. + The inequality that represents the situation is s=(select) s (select) v​

Answers

2400+0.04s (greater than or equal to) 2600

since we are trying to find how many sales she needs, sales would be our s. She earns 4% of her sales so to find 4% we would multiply the amount of sales by 0.04 (0.04s). She already gets $2,400 a month, so we would add that to what she makes per sale. She is trying to get at least $2,600 this month, so she needs her amount this month to be greater than or equal to $2,600. Hope this helped!!

Answer:

2400+0.04s (greater than or equal to) 2600

Step-by-step explanation:

-4(2+8)=(-4xN)= Show your answers

Answers

Answer:

n=10

Step-by-step explanation:

[tex] - 4(2 + 8) = ( - 4 \times n) \\ \frac{ - 4(10)}{ - 4} = \frac{ - 4n}{ - 4} \\ 10 = n[/tex]

Answer:

−4(2+8)=−4n

Step 1: Simplify both sides of the equation.

−40=−4n

Step 2: Flip the equation.

−4n=−40

Step 3: Divide both sides by -4.

[tex]\frac{-4n}{4} = \frac{-40}{-4}[/tex]

n=10

easy math please help i'll mark brainliest

Answers

Answer:

D, D, A, C

Step-by-step explanation:

Congruent means equal.

T and r are alternate angles

Vertically opposite angles are equal

Y is 47 degrees because since the full angle is 90 degrees, subtract:

90-43 = 47

Hope this helps :)

-jp524

47 I hope this helps you

What is the slope and y-intercept of the graph?

Answers

Answer:

slope= -1

y-intercept = 24

Step-by-step explanation:

2x +2y=24

2x-24=-2y

divide by then u get:

-1x + 12= y

-1 is ur slope

y-intercept

let x=0

y= -1(0)+12

y =0+12

y = 12

The slope is -1 y-intercept 24 hope this helps

To multiply a decimal number by 101, move the decimal point
.

Answers

Answer:

1.01

Step-by-step explanation:

Answer:

2 places to the right

Step-by-step explanation:

Solve the system of equations below by elimination. Write your answer as an ordered pair. e.g. (2,3)

Answers

Answer:

(45,35)

Step-by-step explanation:

1 - Stack the equations on top of each other

3x - 4y = -5

4x + 4y = 40

2 - We can eliminate by subtracting the bottom equation from the top equation

 3x - 4y = -5

- 4x - 4y = 40

3 - The y's cancel out, leaving us with...

 3x = -5

- 4x = 40

4 - Continue simplifying

-1x = -45

5 - We can switch the -1x with -x to make things simple

-x = -45

6 - Positize (make it positive) the statement

x = 45

7 - Halfway there! Substitute the x value into one of the equations

(3 * 45) - 4y = -5

8 - Solve

135 - 4y = -5

Minus 135 on both sides

-4y = -140

Divide by -4 on both sides

y = 35

9 - Here is your answer!!

x = 45

y = 35

(45,35)

(45,35)
hope this helps

1. to replace a variable in a mathematical expression with an actual value
variable
2. a value of the variable that makes an algebraic sentence true
solution
3. a system for simplifying expressions that ensures that there is only one right answer
order of operations
4. a letter used to represent an unknown number or quantity
equation
5. a mathematical statement that shows two expressions are equal using an equal sign
substitute

Answers

Answer:

what is the question so i can help you, i'm confused

The length of the 2 altitudes of a parallelogram are 4cm and 6cm. The perimeter of the parallelogram is 40cm. Find the lengths of the sides of the parallelogram.

Answers

Answer:

10 each

Step-by-step explanation:

because the perimeter is the sides of the angle added up so a parallelogram has 4 sides you divide 40 by 4

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