Mathematics College

what is the mean of this data set 8,2,5,12

Answers

Answer 1

Answer:

6.75

Step-by-step explanation:

Add up all the numbers in the data set :

8 + 2 + 5 + 12 = 27

Divide 27 by the total numbers in the data set :

27 ÷ 4 = 6.75

Therefore, the mean if the data set is 6.75

Related Questions

Solve for the value of r.

Answers

Answer:

r = 20

Step-by-step explanation:

4r - 5 + 105 = 180

4r + 100 = 180

4r = 80

r = 20

I need help. This is due later today.

Answers

Answer:

the first one

Step-by-step explanation:

Pls help ASAP. Pls and thx.

Answers

Answer:

(assuming the. values are the shaded areas)

area = x^2 + 2x +2

perimeter = 4x + 8

Step-by-step explanation:

you have all the side except the side of the 2 squares at the top.

The squares are 1 unit on each side because the area of the 2 slender rectangles on each side is x.

So the area is x^2 + x + x + 1 + 1

The perimeter is 1+x+1+1+1+x+1+1+1+x+1+x

(starting from the lower left side and walking around the perimeter clockwise)

PLEASE HELP I WILL MARK YOU BRAINIEST

Answers

Answer:

The answer is (D) y < 4

Answer:

D. y < 4 im pretty sure sorry if its wrong..

Mark hsa a square photo with an area of 9cm squared.
He enlarged the photo to have an area of 36 cm squared
To do this the length of each side was multiplied by a factor of
two three four five or six?

Answers

Answer:

4

Step-by-step explanation:

36/9=4

HELP FAST PLZ
The same house costing $500,000 with the 15-year mortgage and the APR of
4.5% would have what amount for its first month's principal payment?

Answers

Answer:

Step-by-step explanation:

How much would the mortgage payment be on a $500K house? Assuming you have a 20% down payment ($100,000), your total mortgage on a $500,000 home would be $400,000. For a 30-year fixed mortgage with a 3.5% interest rate, you would be looking at a $1,796 monthly payment.

Escribe 2 ejemplos de enunciados que establezcan una regla de correspondencia que represente una función y
represéntala con un diagrama de flechas.

Answers

Answer:

Correspondencia entre conjuntos:

a) Inyectiva: es cuando a cada imagen en el conjunto de llegada le corresponde un único origen, es decir, a distintos elementos del conjunto inicial, les corresponden distintos elementos del conjunto final.

b) Sobreyectiva: es si todos los elementos del conjunto final tienen al menos una correspondencia del conjunto inicial

c) Biyectiva: es cuando la correspondencia es inyectiva y sobre inyectiva a la vez

Correspondencia unívoca : es una correspondencia donde cada elemento del conjunto origen se corresponde con solo un elemento del conjunto de llegada.

Correspondencia biunívoca  es cuando a cada elemento del conjunto origen se corresponde con solo un elemento del conjunto llegada, y viceversa

Step-by-step explanation:

Which number sentence is true?
A. 82 < |-82|
B. |-82| < |-83|
C. |-83| < |83|
D. |82| > |-83|

Answers

Answer:

Given:

radius = 8

Volume of a sphere = 4/3 * π * r³

V = 4/3 * 3.14 * 8³

V = 1.33 * 3.14 * 512

V = 2,138.21 cubic unit

Step-by-step explanation:  Hope This Helped!!

45,000 mL=


I really need this answer just one more Time lol

Answers

Answer:

45,000 mL (Milliliters) = 45 L (Liters)

Explanation:

The word milliliters is made up of two words, "milli" and "liter"

"Milli" means a thousand, chiefly denoting a factor of one thousandth.

That means one milliliter is one thousandth of a liter

What is the height of the ball after 5 seconds in feet?

Answers

It’s 32 feet. Just aligned the heigh of the ball from 5 seconds.

Answer:32

Step-by-step explanation:

i think the answer will be 32 feet

Which function has the largest maximum? (1 point)

Answers

Answer:

(4, -7) thats the largest maximum

The sum of two numbers is 41. The smaller number is 9less than the larger number. What are the numbers?

Answers

Answer:

Smaller number is 16 and larger number is 25

Step-by-step explanation:

[tex]x+y=41\\x=y-9\\\\(y-9)+y=41\\2y-9=41\\2y=50\\y=25\\\\x=25-9=16[/tex]

The smaller number is 16 and the larger number is 25

Suppose tie structural equations of 3 economies are given as: AD = C +10 C =250 + 0.8Y I0 = 200 Find the equilibrium values of Y and C

Answers

Answer:

Step-by-step explanation:

LMAFOOOOOOOOOOOOOOOOOOOOOO

What value of x makes the following equation true x + 10 = 18​

Answers

x+10=18. |-10 from both sides
x+10-10=18-10
x=8

Step-by-step explanation:

The value should be

X=18-10= 8

X=8 Answer

Tasha is mixing red and white paint to make pink paint. She uses 1/3 pint of red paint to make 1/2 pint of pink paint. How much red paint would she use to make 3 1/2 pints of pink paint?

Answers

Answer:

2 1/3

Step-by-step explanation:

find the least common multiple of 16,30,36 no links or file​

Answers

9514 1404 393

Answer:

  720

Step-by-step explanation:

The LCM of these numbers will have every factor that is part of these numbers.

  16 = 2^4

  30 = 2 × 3 × 5

  36 = 2^2 × 3^2

So, the LCM will have factors of 2^4, 3^2, and 5:

  LCM(16, 30, 36) = 2^4 × 3^2 × 5 = 720

720 = 16×45 = 30×24 = 36×20

The least common multiple is 720.

Help I will give you 10 points please help

Answers

Answer:

Look Below

Step-by-step explanation:

1. A person would have to work 9 Hours to get 63$ for 7$ per hour.

2. Reese is 16 years old because if you do 34 - 18 = 16. Or you could do 16 + 18 = 34 to confirm it.

3. 10 - 4 = 6 Sean is 6 feet tall total because if you do a subtraction problem with the two variables you get 6.

4. I am not able to see the numbers on the right unfortunately so all you have to do for this one is to minus how much her brother has by 8 to get her amount.

Hope This Helps! Have A Good Day! Good Luck With Your Work!

Solve 3/4 = j- 1/2 j=

Answers

Answer:

3/8

Step-by-step explanation:

a reflection across y=2
HELP DUE VERY SOON

Answers

Answer:

n' = (-5,2)  k' = (-1,1)  t' = (-5,0)

Step-by-step explanation:

you get a haircut that costs $23. You want to tip the barber 10%. How much tip will you leave him?

Answers

Answer:

$2.30

Step-by-step explanation:

Multiply 23 by .10 to get 2.3

2.3 is 2 dollars and 30 cents

Answer:

$2.30

Step-by-step explanation:

multiply 23 by the decimal form of 10% (0.10)

23*0.10=2.3

The perimeter of the figure below is 54.9 in. Find the length of the missing side.
5.9 in
5.9 in
?
7-3 in
7.3 in
7.3 in
7.3 in
7.3 in
(Note: diagram is NOT to scale)

Answers

7.3in have a nice dayyyyyy

6. The base of a pyramid is a triangle whose base is 11 yards and height is 19
yards. Determine the volume of the pyramid, if its height is 7 yards. Round
your answer to two decimal places.

Answers

Pretty sure volume would be 487.67

Because volume= lwh/3

Mr Soto bought some dvds each DVD cost 13.55 if Mr Soto did not spend more Thales 75$ which inequality could be used to find d the number of DVDs Mr. Soto bought

Answers

Answer:

c

Step-by-step explanation:

C is the only equality that no matter what, the value would be $75 or less

Help?
The circumference of a circle is 25 cm. Find the length of the radius

Answers

it’s around 3.979 cm

Answer:

3.99

Step-by-step explanation:

Divide circumference by pi. The answer will be the circles diameter and then divide this by 2 for the radius

Im kinda stuck on this can i get help

Answers

Answer:

6+4=10

7-6=1

6*6=36

1/3*6=2

Step-by-step explanation:

Plug in 6 for x and solve it.

Mona solved an equation incorrectly, as shown below:

Step 1: 5x = 30
Step 2: x = 30 − 5
Step 3: x = 25

Which statement best explains why Step 2 is incorrect in Mona's solution?

She did not add 5 to 30.
She did not divide 30 by 5.
She did not multiply 30 by 5.
She did not multiply 30 five times.

Answers

Answer:

She did not add 5 to 30. ... Mona subtracted 5 where she should have divided 5.

Step-by-step explanation:

Answer:

B. She did not divide 30 by 5

Step-by-step explanation:

This is the only way to cancel out the 5 and get the variable alone

Select the correct comparison.
Set A
Set B

Answers

I believe it is set A Correct me if i’m wrong
The answer is A I Believe

Hii! I really need help on this with the spree that answers! For 30 points. I don’t wanna waste my points so make sure your answer is right.

Answers

Step-by-step explanation:

1. K = 13 (13+5=18)

2. X= 36 (36-12=24)

3. Y = 14 (17=3+14)

4. Z= 24(22=24-2)

5. A=7 (divide both sides by 4)

6. H=12 (12/6=2)

7. B= 10 (100=10*10)

8. Y=42 (6=42/7)

I'm pretty sure that this is correct.

1. K+5=18
-5 = -5

k=13

2. x-12=24
+12 = +12

x=36


3.17=3+y
-3 = -3

y=14

4.22=z-2
+2 = +2

z=24

5.4a=28
÷4 = ÷4

a=7

6.h/6=2
×6 = ×6

h=12

7.100=10b
÷10 = ÷10

b=10

8.6=y/7
×7 = ×7

y=42

Does (2, 3) make the inequality 2x + 5y < 20 true?
yes
no

Answers

Answer:

Yes

Step-by-step explanation:

The left side  19  is less than the right side  20 , which means that the given statement is always true.

A single line of four cats one behind the other walks towards and head-on into a single line of five cats walking in the opposite direction. When two of the nine cats meet, they both switch directions and then continue walking. How many meetings take place?

Answers

Answer:LLLLLLLLLLLLLL

Step-by-step explanation:

LLLLLLLLLl

Answer:

4

Step-by-step explanation:

There are just 4

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