PLEASE HELP ME, I WILL GIVE BRAINLIEST (I WILL GIVE 50 POINTS)

Answer:

Step-by-step explanation:

[tex]B.\\\left(8\dfrac{4}{5}+3\dfrac{2}{10}\right)+\left(-1\dfrac{1}{5}\right)=8\dfrac{4}{5}+\left(3\dfrac{2}{10}+\left(-1\dfrac{1}{5}\right)\right)=8\dfrac{4}{5}+\left(3\dfrac{2}{10}-1\dfrac{1}{5}\right)[/tex]

[tex]D.\\8\dfrac{4}{5}+3\dfrac{2}{10}-1\dfrac{1}{5}=8\dfrac{4}{5}+\left(3\dfrac{2}{10}-1\dfrac{1}{5}\right)[/tex]

[tex]E.\\-\left(-8\dfrac{4}{5}\right)-\left(-3\dfrac{2}{10}\right)+\left(-1\dfrac{1}{5}\right)=8\dfrac{4}{5}+3\dfrac{2}{10}-1\dfrac{1}{5}=8\dfrac{4}{5}+\left(3\dfrac{2}{10}-1\dfrac{1}{5}\right)[/tex]

Used:

Associative property

[tex](a+b)+c=a+(b+c)=a+b+c[/tex]

and

[tex](-)(-)\to(+)\\(-)(+)\to(-)\\(+)(-)\to(-)[/tex]

Answer: D

What is the y-value of the solution to the system of equations?
3x + 5y =1
7x + 4y =-13
het
atb
ver -3
O -1
O 2
O5
ree

please help me with this , probably easy for others but i don't got energy to do it : ')

Bob sets the price of the plants according to their height in inches. A plant that is 9.5 inches high costs $2.28 in his store. What is the price per inch of a plant? Show your calculation.

Can someone help on this other question ^W^

At the school store, pencils sell for $.12 each. The pencils come in boxes of 30. The school store buys each box for $2.00.
23. Which expression could be used to find the amount of profit the school makes if it sells 30 pencils?
a) $2.00 + $.12 + 30 = ?
b) 30 x $.12= ?
c) 30 x ? = $2.00 - $.12
d) (30 x $.12) - $2.00 = ?
24. The school principal wants to order 2 pencils for each of the 425 students in the school. How many boxes should she order?
a) 28 boxes
b) 29 boxes
c) 14 boxes
d) 15 boxes
25. How much profit does the store make when 60 pencils are sold?
a) $1.60
b) $3.20
c) $6.00
d) $2.40

(the only question i need help is #25, others didn't seem to get it in my previous question since they didn't see the related one. please help me!)

help me pls and get right answer okay

I need help! What does this dot mean? I forgot.

a collection of coins consist of nickels, dimes, and quarters. there are 3 fewer quarters than nickels and six more dimes than quarters. how many of each kind of coin is in the collection if the total value of the collection is $4.35?

I hate math ill give brainliest

please answer w/ explanation !

write an equation in slope-intercept form when given the information:
slope = 0, goes through the point (-3 , 3)

what is the slope and y-intercept for y= 2x - 3

A package of 4 pairs of insulated socks costs ​$33.16. What is the unit price of the pairs of socks? PLEase help!!!!!!!!!!!!!!!!!!!!!1

ANSWER PLS AND THANK YOU

78 fl oz = _c = _oz
pls help me and its in us coustemery units

Ok im almost done with this assignment pls help with this question

Rearrange each of the following in slope/y-intercept form, y = mx + b.

a) 3x−6y+8=0
b)−2x−5y+30=0

PLEASE HELP!!! 100 POINTS!!! EASY!!

Which ordered pair is the solution to the system of equations?

{y=3x−12
4x+6y=−6


(6, −5)

(0, −12)

(3, −3)

(4, −7)

2) Orion buys 3 books for a total of $25.50. He pays $8 plus sales tax for each book. He wants
to know how much the sales tax is for one book.
) Which quantity is unknown?
.) the sales tax for each book
Let t equal the sales tax Orion pays for each book. Write an equation that
represents the situation.
3
8
25.50
t

Simplify 7(9x - 3) - 4(2x - 1)

34x
55x - 17
55x - 25

100 points and brainliest.

An irregular polygon is shown below:

The area of the irregular polygon is ____ square units.

Ronelle asked 100 students to choose their favorite subject from among mathematics, history, and art. She found that 22 students chose mathematics, 26 history, and the rest art. What percent of students chose art?
22%
26%
48%
52%

If five pounds of oranges cost $5.50, what is the unit rate? pls help

ima ask this again pls help
Tony’s investments lost $12,545.50 in value over the past 2.5 months. On average, how much did his investments change each month?
–$31,363.75

–$5,018.20

$5,018.20

$31,363.75

Kennedy is building a new L shaped desk for her room she wants to make sure it’s large enough for her supplies the dimensions of the desk in feet are shown in the diagram what is the area of the desk?

Simplify: 3x + 2(x - 1)

Use the divisibility rules to determine which of the following numbers 528 is divisible by. (Check all that apply.)


6
3
5
7
10
2
11
9
4

The table defines a function.

What is the domain of the function?

Question 2 options:

Year


Change in height (inches)


Joshua


Table

I Will Mark Brainliest!!

The table below shows the combination of dry pre-packaged mix and water to make concrete. The mix says for every 1 gallon of water is equal to 8lbs. Using the information provided in the table, complete the remaining parts of the table.

Fill in the table with the lowest terms fractions.

To enter a mixed number, write it in the format 5 1/2. Note that there is a space between the whole number and fraction.

please provide answer and explanation !!

Three lines are given on each graph that intersect at one point. Find the slope-intercept equation of each line. Graph and write an equation for one additional line that intersects at the same point. Vertical and horizontal lines are not permitted.

Solve: 3(x- 2)= 18.

X=