Mathematics Middle School

please help for brainliest imbegging you this is confsiusing to me


The work of a student to solve the equation 4(2x − 4) = 8 + 2x + 8 is shown below:


Step 1: 4(2x − 4) = 8 + 2x + 8

Step 2: 6x − 8 = 16 + 2x

Step 3: 6x − 2x = 16 + 8

Step 4: 4x = 24

Step 5: x = 6



In which step did the student first make an error and what is the correct step?


Step 2; 8x − 4 = 2(6 + x + 6)

Step 2; 8x − 16 = 16 + 2x

Step 3; 6x − 2x = 16 − 8

Step 3; 6x + 2x = 16 + 8

Answers

Answer 1
Step 2; 8x-16 = 16+2x
Answer 2
It would be step 2 :)))

Related Questions

Solve For X: 8.47 = 5.5 + X

Answers

Answer:

x=2.97

Step-by-step explanation:

Answer:

x=2.97

Step-by-step explanation:

8.47=5.5+x

Step 1: Simplify both sides of the equation.

8.47=x+5.5

Step 2: Flip the equation.

x+5.5=8.47

Step 3: Subtract 5.5 from both sides.

x+5.5−5.5=8.47−5.5

x=2.97

Hope it Helps!

use substitution to solve the system of equations
y=x+1.75
4x-2y=4

A.(4,4)
B.(3.75,0)
C.(3.75,5.5)
D.(5.5,4)

Answers

Its C trust meeeeeeee

Help please ill give brainliest

Answers

B and c it was rotated but also Dilated

PLEASE HELP MEEEEEEEEE

Find the equation of a line passing through the point (12,0) perpendicular to the line -4y-3x= 6 . *

1) y= -3/4 x +9

2) y= 3/4 x-9

3) y= 4/3 x- 16

4) y= 4/3 x-8

Answers

Answer:

1

Step-by-step explanation:

You have to get y by itself. so you add 3x and then divide by negative 4. The only answer is the correct x is -3/4x.

Answer:

1 or A

Step-by-step explanation:

Hope this helps!

(WILL GIVE BRAINLIEST) Find the mean for the data shown below.

Answers

Answer:

Step-by-step explanation:

17+3=20/2

mean=10

Answer:

The mean is 2.0909090909091

Step-by-step explanation:

Mean: The average of all numbers.

First I added all of the numbers, and then divided by the amount of numbers there were.

1 + 1 + 1 + 1 + 1 + 2 + 2 + 3 + 3 + 3 + 5 = 23

23 ÷ 9 = 2.0909090909091

Rounded it's 2, or 2.09

A Town is holding a competition for various athlete games. each community has 14 players. there are 112 communities competting in the games. how many players are competting. chose a b c d

a. 1,676
b. 1,568
c. 126
d. 98

Answers

1568 is the answer as 14 x 112 is 1568
1568 14 x 112 = 1568

There are 3 cats in a room and no other creatures.
Each cat has 2 ears, 4 paws, and 1 tail.

Which of the following is a ratio of tails to ears? (1 point)
A. 1 to 2
B. 2 to 1
C. 2 to 8
D. 8 to 2

Answers

Answer:

A

Step-by-step explanation:

since there are 1 tails per cat and 2 ears the ratio would be 1:2

Answer:

Step-by-step explanation:

A:1 to 2

2:4:1

1:2:1

1 to 2

halp plz
brainest for first awnser

Answers

Answer:

Point (2,7) means you take 2 hours to complete 7 jobs

equation y=7/2x

Step-by-step explanation:

Calculate the slope using two points to determine the equation of the line

The answer (25.87)
And it’s really easy

Which is the simplified form of m-6 p0? 1/m8p 1/m8 p/m8 m8​

Answers

Answer:

m8

Step-by-step explanation:

if you calculate it using the steps, it should give you this.

(I used a math calculator, so i dunno if this is right lol)

Factor the expression using the GCF
42+14

Answers

14 is the answer sorry if I get it wrong :/

(I do brainliest.) slope intercept form... [show ya work plz]

A line passes through (3, 7) and (6, 9). Which equation best represents the line?

y = 3 over 2x + 5
y = 2 over 3x + 5
y = 3x + 2
y = 2 over 3x + 2

Answers

Answer:

y = 3x+2

Step-by-step explanation:

(3,7) (6,9) Y2=9 Y1=7  X2=6 X1=3

M = 9-7/6/3

2/3

Need helpp fastt plss will give brainliest to who is correct plss helpp

Answers

2^6, 4^3 (4 cubed) and 8^2 (8 squared)

Anwser the question for brainlist

Answers

Answer:

52

Step-by-step explanation:

NOT SURE PLEASE TELL ME IF IM WRONG

Answer: 52

Step-by-step explanation:pemdas

help please I give brainliest

Answers

Answer: 4.5

Step-by-step explanation:

90 = 20r

90/20 = 20/20r

r = 4.5

PLEASE ITS PAST DUE BUt I NEED IT DONE!!!!

Answers

75 haha because is you add them and the multi so then you take a dish
Constant of proportionality is K=y/x so the answer is 5.

Because the value of 5 is y it’s divided by x which is 1 therefore, 5/1 is your answer.

If I’m late I apologize.... :(

JUST EXPLAIN HOW TO DO THIS IN THE BEST WAY POSSIBLE!

Answers

it’s just a straight line
Its straight
If it were a right angle it would be at a 90 degree angle
acute angle is less than 90 degree
Obtuse is more than a 90 degree angle
Straight is an angle that is flat and stays at a 180 degree
A C E is a straight angle bc it is at an 180 degree and is flat
If it were something like BCE or ACD it would be a acute angle
If it were ACB or DCE it would be obtuse.
This is probably the easiest way to explain it, hope it helps

A school held a jump roping contest, Diego jumped rope for 20 minutes . Jada jumped rope for 15 minutes. What percentage of Diego's time is that?

Answers

It should be 75 percent

Robert is three times as old as Jillian. Jillian is five years younger than Sarah. Write an algebraic equation that represents Robert's age in terms of Sarah's age.

Answers

3(s-5)=r
S is Sarah’s age and r is roberts age

Select all the ordered pairs that satisfy the function y = 3x -4.

Answers

Answer:

B and D

Step-by-step explanation:

plug in the x and y for the x and y in the equation

if the two sides come out equal to eachother they satify the function

if they dont well they dont satisfy the function

hope this helps <3

answer this question due by 11:59

Answers

X=14 should be the answer compound like terms subtract then divide

Answer:

13.5

Step-by-step explanation:

the explanation is in the document

help please. this is so complicated. ----> ( lotsssss of pointssss )

show your work !!

whats 9 + 10

Answers

9+10= 19

Just count them together lol :)

3 more after this please answer

Answers

Answer:

I'm pretty sure its 2.38

Step-by-step explanation:

If you do the math 0.7 times 3.4 you get 2.38

2.38

0.7
3.4
——
2.38

Since they’re 2 decimal places in the problem. Move the answer’s decimal place twice.

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers.
Click and place the simplified expression after its original expression.

1. 5x +3x
2. 7x^2 - 5x^2
3. 2xy +4xy
4. 8y - 3y

2x^2
5y
6xy
8x

Answers

5x+3x=8x
7x^2-5x^2=2x^2
2xy+4xy=6xy
8y-3y=5y

The solutions to the given expressions are given below:-

1. 5x +3x            ⇒   8x

2. 7x²- 5x²         ⇒   2x^2

3. 2xy +4xy       ⇒   6xy

4. 8y - 3y           ⇒   5y

What is an expression?

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

The expressions will be solved as:-

1. 5x +3x

The sum of 5x and 3x is equal to 8x.

5x +3x = 8x

2.. 7x²- 5x²

The substraction of 7x² and 5x² is equal to 2x².  

7x²- 5x²  = 2x²

3. 2xy +4xy

The sum of 2xy and 4xy is equal to 6xy.

2xy +4xy = 6xy

4. 8y - 3y

The subtraction of 8y and 3y is equal to 5y.

8y - 3y = 5y

To know more about expression follow

https://brainly.com/question/723406

#SPJ2

Who has 4 projects due Friday and hasn't started but you should be

Answers

Answer:

Oof not me but thanks for the free points lol

7th grade math ◑〰️◐
help me ples its my sis agen she sint me this ples help her/me
by her /me i mean me helping her

Answers

Answer:

you forgot to attach it

Step-by-step explanation:

The owner of Animal Lovers Pet Shop has a total of 153 parakeets in 3 cages. Could each cage hold the same number of parakeets? Explain how you found your answer.

Answers

Answer:

153/3 = 51

each cage can hold the same number = 51

Step-by-step explanation:

51

is your answer

have a great day

I will always be there to help you in your assingments

#Captainpower #

Please answer! :D
A number cube, with number 1 through 6, is rolled and a coin is tossed. What is the probability of rolling an odd number on the cube and tossing a tails on the coin? Write your answer as a fraction in simplest form in the box provided.

Answers

Answer:

Step-by-step explanation:

Simple joint probabilites of two independent event. Probability of a head is 1/2. An odd roll of a die is also 1/2. 1/2 x 1/2 = 1/4 or 0.25.

So an odd roll on the cube is 1/2 and it’s 1/2 of getting tails so the probably is 0.25

The table below shows the amount of flour and eggs you need for making different-sized batches of cookies using the same recipe.

Cups of flour Number of eggs

Batch A 3 2

Batch B 9 6

Batch C 12 8


Write an equation to describe the relationship between f, the cups of flour, and e, the number of eggs.


So to do this we have to divide cups of flour and Number of eggs.

So that means we can divide 3 / 2 = 1.5

9 / 6 = 1.5

12 / 8 = 1.5

So that means f is the cups of flour and e is the number of eggs.

So we can said we can put f / e =1.5

Cups of flour / Number of eggs = 1.5

So the answer is f / e = 1.5

f/e=1.5

Answers

Answer:

flour/eggs=1.5

Step-by-step explanation:

The flour and eggs are 1.5

The highest recorded temperature in Yuma, Arizona, was about 51∘C, and the lowest recorded temperature was about −11∘C. What equation can be used to find the difference between the highest and lowest temperatures?

Answers

51.C - 11.C = 40.C

Even though 11 was a negative number we are only looking for the difference between the two so negatives don’t play much part.
51C-11C=40C (couldn’t find degrees)

If you weighed 92 pounds on Earth, you would weigh 97.8 pounds on Saturn. write the weight on Saturn as a mixed number in simplest form

Answers

Answer:

97 8/10

Explanation:

If you weighed 97.8 pounds on saturn as a decimal, you would take the whole number 97. Now you're left with the ".8" = ".80" this decimal would be 8/10. Now you put them together to create 97 and 8/10.

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