Can I please get help with this?

Can I Please Get Help With This?
Can I Please Get Help With This?
Can I Please Get Help With This?

Answers

Answer 1

Answer:

first problem) he messed up at 4(1 + 5n), only multiplying the 1 by 4, instead of both the 1 and 5n,

work-

-8n + 4(1 + 5n) = -6n - 14

-8n + 4 + 20n = -6n -14

12n + 4 = -6n - 14

18n +4 = -14

18n = -18

n= -1

second problem)  he messed up towards the end, where he put 3x = 3x, then x=0. in this case, x would equal x, so the answer is "infinitely many solutions"

all the other work is correct in that problem

third problem) on the right side of the equation, ( 4x+10+3x-6), when they were adding the like numbers, instead of subtracting 6 from 10, they added 6, giving them 16 instead of 4

correct work-

2x - 8 + 3x +2 = 4x +10 + 3x -6

5x - 6 = 7x + 4

-5x         -5x

-6 = 2x +4

-4           -4

-10 = 2x

-5 = x

hope i helped  :)


Related Questions

29.8 is 10 times as much as what ​

Answers

Answer:

298

Step-by-step explanation:

29.8 is 10 times as much as 298

The required proportion value is 2.98 which is equal to one-tenth of 29.8.

Given that,
To determine 29.8 is 10 times as much as a number.


What is arithmetic?

In mathematics, it deals with numbers of operations according to the statements. There are four major arithmetic operators, addition, subtraction, multiplication and division,

What is simplification?

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
Let the number be x,

According to the question.
29.8 = x10
x = 29.8 / 10x
x = 2.98

Thus, the required proportion value is 2.98 which is equal to one-tenth of 29.8.

Learn more about arithmetic here:

brainly.com/question/14753192

#SPJ2

What is the answer to F(x)=-5x+7 if f(2)

Answers

Answer:

F(x)= -3

Step-by-step explanation:

Plug the 2 into your X variable

-5 (2) + 7

PEMDAS to solve

Multiply

-5 * 2 = -10

Add

-10 +7 = -3

Step-by-step explanation:

f(x)= -5x+7

f(2)= -5(2)+7

f(2)= -10+7

f(2)= -3

what is the value of n in the equation -1/2 (2n + 4) + 6 = –9 + 4(2n + 1)?

Answers

n=1
Explanation- I used a advanced calculator

Mark simplified 3/5 divided by 5/8; his work is shown below. Identist where he made his error.

Answers

Answer:

Mark forgot to multiply 5 · 5, so he ended up with 5 in the denominator instead of 5 · 5 = 25

Step-by-step explanation:

10
MILEAGE OF PETER'S CAR
160
140
Miles Traveled
8 8 8 8 8 8 8 8
60
1 2 3 4 5 6 7 8 9 10
Gallons of Gas
The graph shows the number of miles Peter's car traveled and the gallons of gas used.
Which equation can be used to find the distance in miles, d, that the car can travel on g
gallons of gas? *
(5 Points)
d = 169
d = 309
d=249
d=129

Answers

Answer:

[tex] d = 24g [/tex]

Step-by-step explanation:

The graph shows a proportional relationship between distance travelled in miles and the gallons of gas used. Thus, a simple equation can be written to represent this relationship by simply applying the the equation that describes a proportional relationship.

Equation representing a typical proportional relationship is y = kx, where k is the constant of proportionality.

In this case,

y = distance in miles travelled represented by d

x = gallons of gas used represented by g

k = constant of proportionality which is distance travelled per gallon = [tex] \frac{d}{g} = \frac{120}{5} = 24 [/tex]. (note: to get k, you can use any coordinate pair of a point in the line graph).

Therefore, an equation that can be used to find the distance travelled is:

[tex] d = 24g [/tex]

I NEEEEDD HELP PLSSS

Answers

Answer: 32/9

:P

Step-by-step explanation:

Answer:

9x - 24 = 8 (D)

Step-by-step explanation:

3/4x - 2 = 2/3

Find ways to get each number (for example the 9x in 9x - 2 = 8) using the 3/4x

If we’re using 9x - 2 as the example, you find how many 3/4s fit into 9, which is 12

So the scale factor is 12.

You do 3/4*12 for 9 and see if it also fits with the -2

-2*12 = -24

You know that that one is wrong.

But if you look, there is an equation that has 9x and -24, so the third one is the answer

(Had I not been lucky enough to find those numbers before, you would’ve just done the same steps with the other problems)

Hope this helps! Good day ^_^

WHAT IS 0.9+0.7=? type your answer

Answers

Answer:

1.6

Step-by-step explanation:

0.9

0.7

----

1.6

basically add it how you would usually

The island has 600 bikes and 900 people. What is the bike to person ratio?

Answers

2:3 = bike to person ratio

Solve - (7a - 6) = -7a - 2

Answers

Answer:

Hi there

Your answer is

NO SOLUTION!

Step-by-step explanation:

-(7a-6)=-7a-2

-7a+6 = -7a -2

+7a

6=-2

-(7a-6)=-7a-2
-7a+6=-7a-2
statement is then 6=-2
so it’s false meaning there is no solution

Write a system of equations that represents the given equation then find the two numbers

The sum or two numbers is 68. The difference is 12

Answers

Answer:

40 and 28

Step-by-step explanation:

We have two unknown numbers, so let's call them x and y for now.

We know the sum of the two numbers is 68, and the difference is 12, so let's substitute those two numbers for x and y:

x+y=68

and

x-y=12

Because both of these systems are true, we can take both these equations and combine them, by adding each side of one equation with the corresponding side of the other.

So we have:

(x+y)+(x-y)=(68)+(12)

2x=80

x=40

Now we know one of the numbers, x, is equal to 40, so now we can plug that number back into one of the two original equations, x+y=68 or x-y=12. I'll choose x-y=12.

After plugging in x, we get:

40-y=12

-y=-28

y=28

So now we have figured out x and y, which are 40 and 28.

Solve for all values of x in simplest form.
5 – 4|1 + 2x) = -3
Answer:
Submit Ar

Answers

yeahh yeah i’m and i are doing too ok bye

I need help with #8. I need to use the quadratic formula. I have a calculator that is programmed for the quadratic formula so all I need are the a, b, and c values. for this problem, I am required to show any equations used to solve for the variable. hope you can help me, thanks!!​

Answers

Answer:

  x = 14

Step-by-step explanation:

Extend line AB so that it intersects ray CE at point G. Then angles BGC and BAD are "alternate interior angles", hence congruent.

The angle at B is exterior to triangle BCG, and is equal to the sum of the interior angles at C and G:

  138 = (376 -23x) +(x^2 -8x)

Subtracting 138 and collecting terms we have ...

  x^2 -31x +238 = 0

For your calculator, a=1, b=-31, c=238.

__

Additional comment

You will find that the solutions to this are x = {14, 17}. You will also find that angle BCE will have corresponding values of 54° and -15°. That is, the solution x=17 is "extraneous." It is a solution to the equation, but not to the problem.

For x=14, the marked angles are A = 84°, C = 54°.

The diagram shows the distances of kitchen appliances in feet. What is the range of distances, d, from the range to the refrigerator? ​

Answers

The correct answer is :

[tex]2 < d < 10[/tex]

Just it....

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

What is algebraic notation?

Answers

Algebraic notation is a method for recording and describing the moves in a game of chess. It is based on a system of coordinates to uniquely identify each square on the chessboard.

f(x)=4x^5-8x^4-5x^3+10x^2+x-2
Use the rational zero test to find all possible rational zeros of f, separate with commas if needed. I already tried (2x+1)(2x-1)(x+1)(x-1)(x-2) and WebAssign says it’s incorrect.

Answers

Answer:

-1; -1/2; 1/2; 1; 2          or    factors of -2 are -1, 2, 1, -2

factors of 4 are 1, 4, 2, -1, -4, -2

possible zeros are -1, 1, 1/2, -1/2

try 1

Step-by-step explanation:

Decide of the three numbers can be the measures of the sides of a triangle.

A. 3, 6, 1
B. 4, 9, 7
C. 7, 21, 14

Answers

I believe the correct answer is B

why do you multiply by 4/3 when you have 1/2x+2=3/4y when solving for y?

Answers

Step-by-step explanation:

You multiply by 4/3 because you are essentially "dividing" both sides by 4/3. You have to take the reciprocal of 3/4 which is 4/3 in order to cancel out the 3/4 because 4/3 x 3/4 will be 1. So the problem will look like this:

(1/2)x + 2 = (3/4)y

4/3[(1/2)x + 2] = 4/3 x 3/4y

4/3[(1/2)x + 2] = y

4/6 x + 8/3 = y

y = 2/3(x) + 8/3

And then from here, if they gave a value for x and y, you can solve for the 2 variables.

Find value if x in the figure below

Answers

Easy buddy...

[tex]5x - 15 = 3x + 7[/tex]

Subtract the sides of the equation plus 15

[tex]5x = 3x + 7 + 15[/tex]

[tex]5x = 3x + 22[/tex]

Subtract the sides of the equation minus 3x

[tex]5x - 3x = 22[/tex]

[tex]2x = 22[/tex]

Divided the sides of the equation by 2

[tex]x = \frac{22}{2} \\ [/tex]

[tex]x = 11[/tex]

________________________________

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

3:20 what time will it be in 35 minutes

Answers

Answer: 3:55

Add 20 and 35, to get the number of minutes out of 60.

20 + 35 = 55

The time will be 3:55 35 minutes after 3:20.

Hope this helps you!

Answer:

It will be 3:55 because 20 plus 35 equals 55 making it 3:55 in the next 35 minutes.

Step-by-step explanation:

20+35=55

12-8÷2=8 but, (12-8)÷2=2

Answers

Answer:

hope it helps you to understand

The Answer Would Be 4/2

Yo i need help with this one and quick

Answers

Answer:

good luck

Step-by-step explanation:

Will give brainliest, like, and comment to best answer
What is 645 divided by 50?

Answers

Answer:

645 ÷ 50 = 12.9

I hope this helps and that you have a wonderful day ^‿^

Answer:

the answer is 129

Step-by-step explanation:

There are
50 apples in box. Ten are
green and the remainder are red. Express
as a ratio
the following​

Answers

Answer:

10:40

Step-by-step explanation:

1. Simplify the following by combining like terms (5 points).
4x-10+14+7x-10x+2

Answers

Answer:

X+6

Step-by-step explanation:

Combined like terms.

Step-by-step explanation:

this is my answer. hope it helps you

Sung borrowed money from his parents over the last three days. This is represented by the negative values in the table.

What is the total of the values?
What is the average of the values?
Day 1 is negative 4 dollars, day 2 is negative 2 dollars, day 3 is negative 3 dollars.

Answers

Answer:

-$9

-$3

Step-by-step explanation:

So sorry i'm late!

Answer:

I'm terrible at explaining so here's a screenshot

Step-by-step explanation:

The area of a square poster is in.. Find the length of one side of the poster to the nearest tenth of an inch.

Answers

Answer:

i dont quite understand the question :(

Step-by-step explanation:

whatever the area is, divide that by 4 and that should be the length, hope this helps !!


Use the number line and the additive inverse to find the
difference.

Answers

3/4, the negatives cancel each other out so you add them

Answer:

Use the number line and the additive inverse to find the difference.

Step-by-step explanation:

3/4


a) Is {a, e,i,o,u} a subset of {a,b,c,d,e,f,g,h,i)
Why?

Answers

Answer:

No

Step-by-step explanation:

u and o arent elements of {a, b, c, d, e, f, g, h, i}

javier rounded to the nearest half to estimate the product of 3 2/5 and -3 7/8. how to the estimate and the actual product compare

Answers

Answer “B”

Step-by-step explanation: The actual product is greater than the estimate. The numbers differ by less than one.

Jim bought 2 packs of batteries from a store. The price of each pack was the same. After he bought the batteries, his account balance showed a change of −$23.94. What would have been the change to Jim's account balance had he only bought 1 pack of batteries from the store?

−$21.94
−$11.97
$11.97
$21.94

Answers

Answer: B

Step-by-step explanation: The answer is 11.97 hope this helps

It’s should be B:):)
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