1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Gala2k [10]
3 years ago
9

Pweasee help!!!!!!!!!!!!!​

Mathematics
1 answer:
Oduvanchick [21]3 years ago
7 0

Answer:

B. \dfrac{1}{3}x-\dfrac{1}{4}y-\dfrac{4}{5}+\dfrac{1}{3}x-\dfrac{1}{4}y

Step-by-step explanation:

Consider all options:

A. In the expression

\dfrac{1}{3}x-\dfrac{1}{4}y-\dfrac{4}{5}+\dfrac{1}{3}x+\dfrac{1}{4}y

combine the like terms:

\left(\dfrac{1}{3}x+\dfrac{1}{3}x\right)+\left(-\dfrac{1}{4}y+\dfrac{1}{4}y\right)-\dfrac{4}{5}

Use distributive property:

x\left(\dfrac{1}{3}+\dfrac{1}{3}\right)+y\left(-\dfrac{1}{4}+\dfrac{1}{4}\right)-\dfrac{4}{5}=\dfrac{2}{3}x-\dfrac{4}{5}

This option is false.

2. In the expression

\dfrac{1}{3}x-\dfrac{1}{4}y-\dfrac{4}{5}+\dfrac{1}{3}x-\dfrac{1}{4}y

combine the like terms:

\left(\dfrac{1}{3}x+\dfrac{1}{3}x\right)+\left(-\dfrac{1}{4}y-\dfrac{1}{4}y\right)-\dfrac{4}{5}

Use distributive property:

x\left(\dfrac{1}{3}+\dfrac{1}{3}\right)+y\left(-\dfrac{1}{4}-\dfrac{1}{4}\right)-\dfrac{4}{5}=\dfrac{2}{3}x-\dfrac{1}{2}y-\dfrac{4}{5}

This option is true.

3. In the expression

\dfrac{1}{3}x-\dfrac{1}{4}y-\dfrac{1}{5}-\dfrac{1}{3}x-\dfrac{3}{5}-\dfrac{1}{4}y

combine the like terms:

\left(\dfrac{1}{3}x-\dfrac{1}{3}x\right)+\left(-\dfrac{1}{4}y-\dfrac{1}{4}y\right)+\left(-\dfrac{1}{5}-\dfrac{3}{5}\right)

Use distributive property:

x\left(\dfrac{1}{3}-\dfrac{1}{3}\right)+y\left(-\dfrac{1}{4}-\dfrac{1}{4}\right)-\dfrac{4}{5}=-\dfrac{1}{2}y-\dfrac{4}{5}

This option is false.

4. In the expression

\dfrac{1}{3}x-\dfrac{1}{4}y+\dfrac{2}{5}+\dfrac{1}{3}x-\dfrac{2}{5}-\dfrac{1}{4}y

combine the like terms:

\left(\dfrac{1}{3}x+\dfrac{1}{3}x\right)+\left(-\dfrac{1}{4}y-\dfrac{1}{4}y\right)+\left(\dfrac{2}{5}-\dfrac{2}{5}\right)

Use distributive property:

x\left(\dfrac{1}{3}+\dfrac{1}{3}\right)+y\left(-\dfrac{1}{4}-\dfrac{1}{4}\right)=\dfrac{2}{3}x-\dfrac{1}{2}y

This option is false.

You might be interested in
PLZ HALP I WILL MARK BRAILYEST NO LINKS OR DOWNLOADS PLZZZZZZZZZZZZZ
stellarik [79]

Answer:

D.

Step-by-step explanation:

Least value = 22 and greatest = 30

Arrange in order:

22 22 23 23 24 25 26 27 28 30

So the median is the mean of the middle 2:

= (24+25)/2 = 24.5.

Also Q1 = 23 and Q3 = 27

So the correct  plot is D.

3 0
3 years ago
The difference of two times a number and five is eight more than the number
Finger [1]
Add it then x it by 3
4 0
3 years ago
Worth 15 POINTS!<br><br> Create a story for the equation <br> y= -2x + 14
Ierofanga [76]

-2x+14 is the same as 14 - 2x

Let's say you started off with $14. If you want to buy a soda worth $2, then you have 14-2 = 12 dollars left. If you buy two sodas, then you spend 2*2 = 4 dollars with 14-4 = 10 dollars left.

In general, buying x sodas will cost you 2*x dollars and you have 14 - 2x dollars left over. The x is simply a placeholder for a whole number. For example, if x = 3, then...

14 - 2x = 14 - 2*3 = 14 - 6 = 8

meaning buying 3 sodas cost you $6 and you have $8 left over.

If y is the amount left over, then we can say y = 14 - 2x which is equivalent to y = -2x+14

note: graphing this equation will go through the two points (0,14) and (7,0) as shown in the image below. A graph is handy to help see various points on the line. Each point represents the amount of sodas you can buy (x) and the amount left over in your pocket (y). Keep in mind that neither x nor y can be negative, so it only makes sense to restrict the graph.

3 0
3 years ago
WHATS THE ANSWER ILL GIVE BRAINLIEST.
Gemiola [76]
A I’m pretty sure!!!
8 0
2 years ago
I am operations that undo each other like multiplication and divison
umka2103 [35]
What's factoring 8 but not a multiple of 4. 8 and 4
8 0
2 years ago
Other questions:
  • after selling some old books and toys Gwen and her brother max had 5 dollar bill and 6 quarters and 8 dimes what is the total am
    12·2 answers
  • The average pumpkin weighs 6 pounds. The prize winning pumpkin weighs 324 pounds. The prize winning pumpkin weighs as much as ho
    14·2 answers
  • You are baking cookies for your class. There are 23 total students in your class and you have baked 12 cookies. Write and solve
    13·1 answer
  • PLEASE PLEASE HURRY!!!!!!!
    9·1 answer
  • If two angles have the same measure, then they are right angles true or false
    14·2 answers
  • Can somebody help with questions 4 plzzzzzx
    5·1 answer
  • Is this numerical statement true or false 2z + 10 = 2(z + 5)
    7·2 answers
  • GEOMETRY TRIANGLES I WILL GIVE BRAINLIEST H
    5·1 answer
  • SOMEONE PLS HELP :(( thank u if u do :)))
    6·1 answer
  • You have a stack of bills with $1 bills and $5 bills in it. you have 43 total bills equaling $99 how many of each type of Bill d
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!