Choose 2 axioms that allows 22 + (m + 8) to be written as m + 30

1. associative - addition
2. distributive
3. associative - multiplication
4. identity - addition
5. commutative - multiplication
6. symmetric
7. commutative - addition

Answers

Answer 1
I also think it’s 6 but I’m not too sure :(

Related Questions

( -5 , 12) and ( 2 , 26)

Answers

Answer:The slope is 2Hope this helps!!

Answer:

2

Step-by-step explanation:

PLZZZ HELP: Calcu-rama had a net income of 5 million dollars in 2010, while a small competing company, Computafest, had a net income of 2 million dollars. The management of Calcu-rama develops a business plan for future growth that projects an increase in net income of 0.5 million per year, while the management of Computafest develops a plan aimed at increasing its net income by 15% each year. Complete the table & graph below for Calcu-rama.

Answers

Answer:

It is in a file

Step-by-step explanation:

Brainly123

Broody spent $260 on 4 chairs. To find out how much he spent on each chair, he did the following work in long division. did he do the problem correctly why or why not

Answers

Answer:

i think it is C

Step-by-step explanation:

if not than sorry

Answer:

C. Yes, he worked the problem correctly

Step-by-step explanation:

260 / 4 = 65 and he did the work as he was supossed to

4 goes into 26 6 times and 4 goes into 20 5 times which = 65

So he got it right!

A distance of 50 miles on a map is represented by a 2-inch line. If the map is enlarged to 4 times its size, what will be the scale of the enlarged map? Show your work.

Answers

Answer:

Step-by-step explanation:

50X2=100X4=400

2in = 50mi
X4
8in will represent 50mi

If f(x) = 8x^3 - 6x^2 - 4x + 5, find the value of f( -2).

Answers

Answer: -75

Step-by-step explanation:

Plug in -2 into the equation.

8(-2)^3 - 6(-2)^2 -4 (-2) + 5

i’m pretty sure it’s -75 !

To be able to do the problem 5(10 + 4) mentally, Zack does 50 + 20 instead of 5(14).
Zack is using which of the following properties?
1.) distributive
2.) inverse
3.) associative
4.) commutative

Answers

Answer:

1. Distributive

Step-by-step explanation:

This is because you multiply the number outside the parentheses into the numbers inside the parentheses.

Hope it helped.

Answer:

the answer is 1)

Step-by-step explanation:

4x9.4 in an area model

Answers

37.6 but i dunno how to but it into a model im sorry!!!

Answer:

37. but i really dont know

Step-by-step explanation:

‍♀️‍♂️help me plzssssssss

Answers

Answer:

Answer = 22.26

Step-by-step explanation:

53

42

———-

106

2120

————-

2226

Answer = 22.26

I only know + I don’t know - pls helpp!!

Answers

Answer:

x=31

Step-by-step explanation:

Since these angles are on a straight line, they are supplementary (combine to make 180 degrees. Therefore we can set up an equation to find x.

(5x-16)+(x+10)=180

Drop the parentheses.

5x-16+x+10=180

Combine like terms.

6x-6=180

Add 6 to both sides.

6x=186

Divide both sides by 6.

x=31

HTH :)

Answer is 31

How you solve this is:
The whole line equals to 180 degrees so add 5x-16+x+10=180 that’s will be your equation. And then subtract 10 to 180 so then it will be 5x-16+x=170 then add 16 to 170 and you will be left with 5x+x=186 add the x’s together and get 6x divide 6 to 186 and then x=31

Dan and Alan take turns mowing the grass of a yard that is 2400 square yards in area. Dan takes an hour to mow the whole lawn using his old mower. Alan only takes 40 minutes to mow the whole lawn using his new mower.

As you answer the following questions, don't forget to show your units!

A. How much lawn does Dan mow in a minute?

B. How much lawn does Alan mow in a minute?

B. How many more square yards does Alan mow in a minute than Dan?

Answers

Answer:

Step-by-step explanation:

Which of the following describes a situation for the inequality: 3w + 9 ≤ 21

A. A girl get $3 for every box of cookies sold plus 9 dollars for trying. She makes either $21 total or just below that amount.

B. A girl get $3 for every box of cookies sold plus nine dollars for trying. She makes either $21 total or more than that amount.

C. Girl scout cookies are good, just pay the girl! (this is not the correct answer.)

D. A girl get $9 for every box of cookies sold plus 3 dollars for trying. She makes either $21 total or just below that amount.

Answers

Answer:

B

Step-by-step explanation:

She wouldn't have sold just one box. Seven or more makes much sense.

Answer: The answer would be A. A girl gets $3 for every box of cookies sold plus 9 dollars for trying. She makes either $21 total or just below that amount.

Step-by-step explanation:

w is the box and when a number is beside a letter it is multiplication and then 9 dollars for trying. the < with the underline means that it is the same amount or less.

The image shows a right triangle in the coordinate plane. What is the measure of segment DF?

Answers

Answer:

10.8 units

Step-by-step explanation:

Answer:

10.8

Step-by-step explanation:

Its True

Betty had $70. She bought a necklace for $9 and a ring for $7. Which expression correctly shows the total money Betty has left? A $70 − (−$9) + (−$7) B $70 + (−$9) + (−$7) C $70 − (−$9) − (−$7) D $70 + (−$9) − (−$7) A B C D

Answers

B is the correct answer.
This is because the numbers in the parentheses have a negative sign in front of them. If you have an equation that "subtracts" a negative number, the sign would change to the opposite and you would have to add. To avoid that, you have to put an addition sign to subtract correctly.
✅70+(-9)+(-7)=70-9-7
❌70-(-9)-(-7)=70+9+7

Doors for the small cabinet are 12.5 inches long. Doors for the large cabinets are 2.9 times as long as the doors for the small cabinets. How many large doors can be cut from a board that is 11 feet long?

Answers

Answer:

36.25

Step-by-step explanation:

First-person to get this right with an Explanation to get Brainliest

Triangles ABC and DEF are similar.

Answers

Answer: Segment DF is equal to 2.68. Segment EF is equal to 2.01

Step-by-step explanation: If you divide the smaller triangle by the bigger triangle, you will get .67, which can then be multiplied by the segments AC (DF) and BC (EF). Segment AC: 4*0.67=2.68 (Equal to segment DF). Segment BC: 3*0.67=2.01 (Equal to Segment EF).

Answer:

I think DFE

Step-by-step explanation:

DO WHAT YOU THINK

Okay these are the choices, sorry. I will still give brainliest to best answer

Answers

Answer:

The turkey

Step-by-step explanation:

Can someone help me out? :P

Answers

Answer:

b. 25 sq yd.

Step-by-step explanation:

Answer:

D.)5.375 yds^2

Step-by-step explanation:

25-19.63=5.37

area of a circle is πr^2

area of a square is length times width

then you subtract the area of the circle from the area of the square and you have your answer

What is the ratio of apples 3 to bananas 4?

Answers

Answer:

3:4 is the ratio

Step-by-step explanation:

hope its help

3:4 , 3 to 4, 3/4 :):):):)

need helpp fastt plss will give brainliest too who is correct plss helpp

Answers

Answer:

-13, because the temperature is -13 degrees Celcius. An integer is a number that can be expressed as a non-fractional number, so -13 would be the answer.

Please help me with this. Thank you!

a____

B____

c___

2____

3___

Answers

Answer:

i have done these equations before but i cannot make out what the equation is

Step-by-step explanation:

how can you use a number line to model and compare positive and negative rational numbers?
WILL MARK BRAINLIEST TO BEST ANSWER AND WILL FOLLOW YOU!!!!! 20 POINTS!!!! WAIT NO...... 40 POINTS!!!!!

Answers

Answer:

You can use it to help you compare and order rational numbers.

Step-by-step explanation:

Lmk if this helps, have a great day! :))

The surf instructor has an initial fee of $12 and charges $8 per hour for lessons, which is represented by the equation y = 8x + 12, where x is the number of hours and y is the total cost. The instructor gives 32 hours of lessons a month to Sandra and 24 hours of lessons a month to Bela. What is the total amount the instructor makes in a month? Sandra: y = 8 (32) + 12. y = 256 + 12. y = 268. The instructor receives 268 dollars a month from Sandra. The instructor makes $ a month.

Answers

268 + 8(24)+12
268 + 204

instructor makes $472 a month

Answer:

$472

Step-by-step explanation:

I got it right on edge.

how may solutions does 10 + 5/15 = 4 ( if none say no solution)

Answers

Exactly one solution

For Emily’s birthday, her father treated her and five friends to a dinner at a restaurant at the mall. Emily and her friends ordered three pizza dinners at $6.25 each and three chicken baskets at $7.50 each. All six people ordered soft drinks costing $1.25 each. The sales tax on the meal was 4.5%, and the tip was 15%. What was the total cost of the meal, including the sales tax and the tip?

Answers

6.25 times 3 is 18.75
7.50 times 3 is 22.5
1.25 times 6 is 7.5
Add those and you get 48.75.
48.75 times .045 is 2.19
48.75 times .15 is 7.31.
Add the tax and tip to the value, you get $58.25.

Answer:

$58.58

Step-by-step explanation:

the meal was $48.75

the tax was 4.5%

Multiply 48.75 by 4.5 as a decimal to do this divide 4.5 by 100 = 0.045

48.75 x 0.045 = 2.19375 round to the nearest hundreth = 2.19

48.75 + 2.19 = 50.94

tip on tax = 58.58

Suppose that a bike rents for $4 plus $1.50 per hour. Your rented a bike to ride around Central Park in New York City, you picked up the bike at 11:00 am and returned the bike at 3:00 pm. How much did you bike rental cost?

Answers

Answer:

9.5 hours .

Step-by-step explanation:

I think this is the correct answer if not let me know.

Answer:

$22

Step-by-step explanation:

It is four hours from 11 to 3 so you multiply $4 times the 4 hours to get 16 then you multiply 1.50 by four to get 6 add that 6 to the 16 to get 22

A 3-pack of light bulbs costs $3.45. A 4-pack of the same light bulbs costs $4.20.
Which pack has better value?

Answers

Answer:

The 4-pack light bulbs

Step-by-step explanation:

Price of a light bulb in 3-pack

= 3.45÷3

= $1.15

Price of a light bulb in 4-pack

= 4.20÷4

= $1.05

A theater has 384 seats. Each row has 16 seats. The area model represents this situation. What is the value of x in the area model?

Answers

Answer:

x=4

Step-by-step explanation:

64/16=4

u dont have to worry about the other side because x isnt on it

BRAINLIEST

The value of x in the area model is x=4

What is the area of the rectangle?

The area of the rectangle is the product of the length and width of a given rectangle.

The area of the rectangle = length × Width

We know that the Total number of seats = Total of rows ×  Number of seats in each row

Let the total number of rows be y. The theater has 384 seats and each row has 16 seats then we get;

384= y ×  16

y= 384/16= 24

There are 24 rows each having 16 seats making the total of 384.

Area= length ×  width

Area 1= 320= 16 × 20

Area 2 = 64

Then;

64 = 16 x

x= 64/16= 4

Learn more about the area;

https://brainly.com/question/1658516

#SPJ2

Helena, Violet, and Kaneesha are on a baseball team. They each bought a baseball and x pairs of sweat socks. Write an expression to show the teams purchase. !(x*y)+(x*y)!
Baseball - $5
Sweat Socks - $7
Soccer Ball - $21

Answers

Answer:

Step-by-step explanation:

Helena    Violet       Kaneesha

1b                 1b               1b

x pairs          x pairs        x pairs

Helena  1b +   x pairs of socks

Helena  =  1 b(baseball)  + $7X ( X is the number of pairs of socks)

Helena  -----   $5 + 7X

Since all 3 bought the same thing, multiply the above by 3

answer   =    3(5 +7x)

or Distribute

Answer  =    (3*5) + (3*7x)

sorry I need to answer a question to ask a question

Find the solution to the system of equations below. 7x+3y=12 and 7x-3y=30

A.(7, 3)
B.(-3, 3)
C.3, -3)
D.(2, -2)

Answers

Answer:

C. (3, -3)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS Equality Properties

Algebra I

Solving systems of equations using substitution/elimination

Step-by-step explanation:

Step 1: Define systems

7x + 3y = 12

7x - 3y = 30

Step 2: Solve for x

Eliminate y:                    14x = 42Isolate x:                         x = 3

Step 3: Solve for y

Substitute in x:                    7(3) + 3y = 12Multiply:                               21 + 3y = 12Isolate y term:                     3y = -9Isolate y:                              y = -3

And we have our final answer!

A local aquarium had 3,813 visitors on Friday and 4,117 visitors on Saturday. How many total visitors did the aquarium have on Friday and Saturday combined?

Answers

Answer:

7,930

Step-by-step explanation:

you add both from the numbers right to left like this

 3,813

+---------

  4,117

Answer:

7903

Step-by-step explanation:

you have to add 3,813+4,117

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