Mathematics Middle School

Calculate the Mean: 24, 27, 31, 21, 27​

Answers

Answer 1
24+27+31+21+27 divided by 5 = 26. Your final answer is 26 :)
Answer 2

Answer: 26

Step-by-step explanation:

mean is the same thing as finding the average

you add up all the numbers then divide by the amount of numbers there are

24+27+31+21+27=130

130\5=26

Related Questions

Draw two rectangles that have the same area but are not congruent.

Answers

Answer:

Step-by-step explanation:

Both have an area of 30 but arent congruent

(PLEASE HELP!!) Write the standard form of the line that has a slope of - 3/4 and y-intercept of -2. Include your work in your final answer.

Answers

Answer:

3/4x+4=-2

Step-by-step explanation:

y=-3/4x-2

add -3/4x to each side

3/4x+4y=-2

multiply by 4

3x+4y=-8

the answer is 3x+4y=-8

Please help me please and thank you!

Answers

Answer:

Option A is correct

Step-by-step explanation:

As both the coordinates are negative they will lie in 3rd quadrant.

Verified be my teacher as well.

Option A is right

Option a
Explanation I just did this

There are 6 red marbles, 9 blue marbles, and 10 green marbles in a bag.


What is the theoretical probability of randomly drawing a red marble and then a green marble?
PLEZZ ANSWERE QUICKLY!!

10%

9.6%

64%

16%

Answers

Answer:

I think 64%

Step-by-step explanation:

6+9+10 = 25

25x4 = 100

6x4 = 24

10x4 = 40

24+40 = 64

64/100 = 64%

Sry if this is wrong but I think this should be correct

Answer:

c

Step-by-step explanation:

looks right, sorry if I’m wrong!

Driving , Patrick made the trip to his grandmother’s house in 4 hours and 30 minutes. A week later, driving
at a constant rate of speed, he returned home in 4 hours and 15 minutes. If Patrick took the same route home, what
was his average rate of speed for his return trip?
A. 50 mph
B. 52 mph
C. 53 mph
D. 54 mph

Answers

Answer:

53 mph

Step-by-step explanation:

hopes this helps :)

Select all ratios equivalent to 3:2.

Answers

So the Correct answer would be all three of them.
This includes 27:18, 12:8, and 21:14.
The math behind this includes proportions.
For instance, if you multiple 3 by 9, you get 37. You have to multiple 2 by 9 now, and you should get 18. This is how all three of the answers are correct!

Answer:

All the above

Step-by-step explanation:

3:2 x 9 = 27:18      3:2 x 4 = 12:18    3:2 x 7 = 21:14

please help
(-4x^2-5x-1)(4x^2-6x-2)
and don't use online please because the answer is wrong

Answers

Answer:

-16x^4+24x^3+4x^2+30x^2+16x+2

Step-by-step explanation:

math

The answer is 3993_uo+

Which is a TRUE statement about the transformation shown?



A
a vertical translation followed by a horizontal translation

B
a horizontal translation
C
a horizontal translation followed by a vertical translation

D
a vertical translation

Answers

Answer:

D. I'm guessing

Step-by-step explanation:

because its going up and down so thats vertical..

B because it’s moving on the x axis

how is 1 half to the power of 4 =to how is 1 half to the power7

Answers

since 1/2 is 1 whole that means it’s (1x1x1x1) and (1x1x1x1x1x1x1) meaning that they both equal to 1 meaning your question is! Yes
there both whole numbers !

(5x+x^4) - (3x^4+4x)
pls help i dont know how to do it with the minus in the middle

Answers

5x + x^4 - (+3x^4) - (+4x)

5x + x^4 - 3x^4 - 4x

x - 2x^4

Jdjdjdjdjdjdjdjekkdid

Answer:

-

Step-by-step explanation:

the minus in the middle of the numbers is when you get the answers in the parenthesis you minus the two answers you got

The student council is making and selling square patchwork quilts to raise money for the homecoming dance. Which of the following number of squares can be used to create a square patchwork quilt? Justify your answer using three complete sentences.

A. 35 B. 84 C. 64 D. 18

Answers

Answer:

64

Step-by-step explanation:

For the area of the quilt to be square, the number of "Squares" must be a square number.  You must be able to take the square root and get an integer

35 is not a perfect square

84 is not a perfect square

64 is a perfect square  sqrt(64) = 8

Answer:

the awnser is simply B. 84

Step-by-step explanation:

PLEASE HELP PLEASE pls plspls pls pls plspls

Answers

Answer:

7725 sq.feet is the answer

I WILL MARK AS BRAINLIEST! Simplify

Answers

A. 40
B. 28
C. 140
D. 26
1. 40 2. 28 3. 140 4. 26

Find the unit rate.
20 pages in 2 days
pages per day

Answers

20 pages/2 days is a fraction 20/2.

If you reduce this to a denominator of 1, you’d have 20/2 = 10/1

10 pages/1 day or 10 pages/day.

Answer:

10 pages per day.......

Find the number that makes the ratio equivalent to 1:4.

Answers

8:2 hope this helps

Answer:

8:32

Step-by-step explanation:

1 x 8 = 8

so

4 x 8 = 32

I WILL MARK AS BRAINLIEST! Simplify

Answers

Answer:

a) -98

b) -12

c) -105

d) -46

a.) -98
b.) -12
c.) -105
d.) -46
I promise I did not copy.

Function Machines
*please show steps if you can*​

Answers

Answer:

y=84 , y= -5

Step-by-step explanation:

put -9 in the x value

remove the power and that will be 81

then 81 +3=84

take out the square root of -9 in the other machine

-3-2= -5

The answer is 2 beacuse there is a symbol for -

I WILL MARK AS BRAINLIEST! Solve for X and Y

Answers

Answer:

1.

a) 40  b) 8  c) 27  2/3  d) 4

2.

a) 93  b) -95  c) -87  d) -81

Answer:

Move all terms that don't contain x  to the right side and solve.

Question 5

Don't forget to replace all y's with a -8!

a) x = 32

b) x = 12

c) x = 33

d) Exact Form:  x  =  36/5

Decimal Form:  x  =  7.2

Mixed Number Form:  x  =  7  1/5

Question 6

Don't forget to replace all x's with a 0!

a) y = 93

b) y = -95

c) y = -87

d) y = -81

I hope this answer was helpful!

Help me Guess just help please

Answers

Answer:

c

Step-by-step explanation:

f

5 Answers: Choice A, B, C, D, E

Basically, it's everything except choice F.

=========================================================

Explanation:

The number 26 is a whole number since the set of whole numbers is {0,1,2,3,4,...} and it's also an integer as well because the set of integers includes the negative counterparts. That takes care of answer choices A and C.

The number 26 is rational because 26 = 26/1 which is a ratio or fraction of integers. Because it's rational, that means it cannot be irrational. The term "irrational" means "not rational". This means answer choice B is true while choice F is not true.

The number 26 is a natural number. The set of natural numbers is {1,2,3,4,...} which is effectively almost identical to the set of whole numbers, except 0 isn't involved. This is why choice D is another answer.

Lastly, choice E is an answer because 26 is a real number. Assuming you haven't learned about complex numbers yet, every number you encounter is a real number.

---------

So to summarize, the number 26 is...

a whole numbera rational numberan integera natural numbera real number

The only thing that it's not is irrational (which would contradict it being rational).

Solve x2 = 121. please

Answers

Answer:

x = 60.5

Step-by-step explanation:

121 / 2

Answer:

11 or -11

Step-by-step explanation:

x² = 121

=> x = +√121 or x = -√121

=> x = 11 or x = -11

it was -11 degrees. She checked again later and it was -2 degrees . Express the change in tempature as a integer Help me !

Answers

Answer:-9

Step-by-step explanation:

Help Please!!!!

Is every Rational number a Integers? explain

Answers

Answer:

No Not all Rational numbers Integers because integers are all numbers expect for fractions and decimals, Rational numbers are any numbers that are repeating itself in an unknown such as 1/2 or 3/4 while integers are numbers that doesn't have fractions or decimals.

Step-by-step explanation:

Não todos números não são não

Volunteers at Sam's school use some of the student council's savings for a special project. They buy 8 backpacks for $8 each and fill each backpack with paper and pens that cost $3. By how much did the student council's savings change because of this project?

The savings was changed by
dollars

Answers

$8 x 8 = $64
$3 x 8 = $24 (presuming this means $3 per backpack)
64+24 = $88
So -$88 (because the savings are decreasing)
88 es la respuesta d esa pregunta

Plz help! Im giving alot of points!

Answers

Answer:

I don't know sorry about that

A.
Carlos.920
Rita.980


B. They will have the same amount of money at $680

Math help help Alex jonessss lol

Answers

Answer:

5.7x10^-4

Step-by-step explanation:

I WILL MARK AS BRAINLIEST! Find the circumference and the area of each circle

Answers

Answer:

first circle is: 6.28 cm or 6 cm (rounded) circumference. 28.27 not sure the area sorry

second circle is: 43.98ft or 44ft (rounded) circumference. 154.062 sq meters or 154 (rounded) sq meters for the area.

Step-by-step explanation:

can you still mark me brainliest :( good luck buddy

Ok ok ok ok you very smart people

Your class earned $55.00 Saturday afternoon by washing cars to raise money for a class trip. This is 1/3 of the money needed for the trip. What is the total amount needed?

Answers

the answer is $165
u have to multiply 55 x 3

The total amount needed is $165 if your class earned $55.00 Saturday afternoon by washing cars to raise money for a class trip.

What is a fraction?

Fraction number consists of two parts, one is the top of the fraction number which is called the numerator and the second is the bottom of the fraction number which is called the denominator.

It is given that:

Your class earned $55.00 Saturday afternoon by washing cars to raise money for a class trip. This is 1/3 of the money needed for the trip.

Let x be the total amount needed:

A linear equation in one variable can be framed as follows:

1/3 of x = 55

x/3 = 55

x = 55x3

x = $165

Thus, the total amount needed is $165 if your class earned $55.00 Saturday afternoon by washing cars to raise money for a class trip.

Learn more about the fraction here:

brainly.com/question/1301963

#SPJ2

Please help me! I need part A and part B. Please help me! PLEASE!!

Answers

Answer:

JUST TO START I COMMENT ON THIS SORRY

Step-by-step explanation:

4366+766

5251551=8654

find the exact coordinates of X on segment JK that is 1/3 the distance from j to k. J (-1,4) K(5,-3)​

Answers

Answer:

To find the point that's one-third of the distance from (–4,1) to the other endpoint, (8,7): Replace x1 with –4, x2 with 8, y1 with 1, y2 with 7, and k with 1/3. Subtract the values in the inner parentheses. Do the multiplication and then add the results to get the coordinates

Answer:

To find the point that's one-third of the distance from (–4,1) to the other endpoint, (8,7): Replace x1 with –4, x2 with 8, y1 with 1, y2 with 7, and k with 1/3. Subtract the values in the inner parentheses. Do the multiplication and then add the results to get the coordinatesStep-by-step explanation:

Find the unit rate.
30 newspapers in 2 piles
=
newspapers per pile

Answers

30 newspapers/2 piles = 15 newspapers/1 pile

It’s just reducing 30/2 into a fraction with a denominator of 1.

Answer:

15 newspapers

Step-by-step explanation:

30 newspapers spread over 2 piles is 30/2 = 15 newspapers

The question doesn't say spread but in language if it doesn't separate we can say the group word spread as it is most likely to be a group total of 30 spread over 2 piles.

Other Questions
1.List three (3) importance of photosynthesis to our ecosystem. a) b) c) prepare a slogan to create awareness against human traffickinghelp me Which letter in the Spanish Alphabet sounds like an "h"? Ramita sold a face wash cream for RS 550and made a profit of 10percent. If Rita had sold it for Rs495,what would be her loss percent Graph 18 on the number line. Read the paragraph. Then answer the question that follows.Perhaps you wanted pizza for dinner, but you were out voted by the rest of the family who wanted chili. This is similar to what happens in a community. One person has to give up a right for the good of the group. Sometimes citizens' duties and rights conflict with each other. A good example is a public protest. People have the right to meet in groups and share ideas. However, a protest can disrupt traffic or other normal activities. A city must provide extra police protection to keep people safe. Therefore, the city has the right to require permission in advance for a protest. Government must make laws to balance the rights of individuals and different groups of people.Which statement best describes the purpose of the first sentence in this paragraph? The writer just wants to capture the reader's attention by mentioning foods that are popular with teens. The writer is introducing an idea by comparing it to a situation most people would understand or experience. The writer explains that just because you are in a family or community doesn't mean you can control the group. The writer is trying to help you understand that voting is a long, complex process that affects many other people. Solve for the value of r.(7r-5)(6r+4) multiply 18/-57 and 7/6 Find the approximate area of the quadrilateral with the given coordinates A(0, 4), B(5, 2), C(3, -3) and D(-2, -1) What is greater 8 + the square root of 50 or 5 + the square root of 65 3.7 as a mixed fractionlet x =10x =9x =x =So 3.7 repeating is equal to... on what factors the Modern Periodic Table is different from that of the Mendeleev's periodic table?Write any two reasons. rachel states that -5.5 is an integer because it is negative. is she correct? why or why not? How did economic motives provide the impetus behind European exploration and expansion X to the 3rd power= 64/343 what qualities are most conducive to helping this secondary relationship grow Select the correct answer.Which algebraic expression is equivalent to the expression below? What were the two different sides that were brought together with theGreat Compromise? *A-Great Britain and the United StatesB-Big States and Small StatesC-Northern States and Southern StatesD-Spain and the United States Simplify (3x-1)(x+3) what is the meaning of matter?