Solve the equation using inverse operations. Show your work. 5+ x^2= 2x^2 +13

Answers

Answer 1

Answer: In this equation firstly you have got two like terms those are 5 and 13 both have got the positive sign with them that simply means to add them up then you've got other like terms those are x^2 and 2x^2 add them up again that would be 3x^4
so the ans is 18+3x^4

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(80 Points)Explain why any of the four operations (+-x/)placed between the two terms 5 and-3/(radical sign) 8 will result in an irrational number.

Answers

5±x $(-3)/(√8)$ is an irrational number because there's a radical in the denominator. It wouldn't result in a whole number. It would have to be rationalized or smth

Which is an equivalent form of the compound inequality −44 > −2x − 8 ≥ −8?

Answers

Answer:

An equivalent form of the compound inequality is the pair of single inequalities:

-2x - 8 < - 44, and
−2x − 8 ≥ −8

Explanation:

You can split the compound inequality into two equivalent inequalities by taking each side from the variable.

The compound inequality −44 > −2x − 8 ≥ −8 means that two conditions must be satisfied:

1. From the left side: - 44 > - 2x - 8

2. From the right side: −2x − 8 ≥ −8

Then, as a first approach you can tell that an equivalent form of the compound inequality is the pair of single inequalities:

-44 > -2x - 8, and
−2x − 8 ≥ −8

You should put the variable on the left sides, which will yield the best form of an equivalent pair of inequalitis.

- 2x - 8 < -44, and
- 2x - 8 ≥ - 8

That is the best choice of an equivalent form, and from there you can solve the inequalities which will permit to obtain the solution. Of course, you can manipulate the variable and find many other equivalent forms.

Notice, that both inequalities must be satisfied simultaneously.

This is how you solve that system

- 2x - 8 < -44n

Add 8 to both sides: - 2x < -36

Divide both sides by - 2 (you have to change the sign): x > 18

- 2x - 8 ≥ - 8

Add 8 to both sides: - 2x ≥ 0

Divide by - 2 (again, you must change the sign): x ≤ 0

Then, the solution set is:

x > 18 and x ≤ 0 and that is an empty set, since x cannot be at the same time greater than 18 and less or equal to 0.

This is, you conclude that the compound inequality is false, because there is not a value of x which is a solution.

Answer:

22 and 0

Step-by-step explanation:

−44 > −2x − 8 ≥ −8?

/-2 - 44 > -2x / . -2 -8 ≥ -8

= 22 +8 =0

~Please Help~Which table shows a proportional relationship between the number of photo sheets printed and the amount of ink used?

Answers

the answer is C 20*4.8=96 and 30*3.2=96 so in other ways the are the only one that give the same number.

Answer:

Step-by-step explanation:

photo sheets

ink used

3.2

4.8

It is 10 3/5 miles from Alston to Barton and 12 1/2 miles from Barton to Chester. The distance from Alston to Durbin, via Barton and Chester is 35 miles. How far is it from Chester to Durbin?

Answers

see the picture attached to better understand the problem

Let
x----------> The distance from Chester to Durbin

we know that
$10 (3)/(5) = ((10*5+3))/(5) \n \n = (53)/(5) miles$

$12 (1)/(2) = ((12*2+1))/(2) \n \n = (25)/(2) miles$

$10 (3)/(5) +12 (1)/(2) +x=35$
subtitute

$(53)/(5) + (25)/(2) +x=35$

solve for x

$x=35-( (53)/(5)+ (25)/(2) ) \n \n x=35- ((2*53+5*25))/(10) \n \n x=35- (231)/(10) \n \n x=35-23.10 \n \n x=11.9$

$x=11 (9)/(10)$ miles

the answer is
$11 (9)/(10)$ miles

Answer:

Durbin is $11(9)/(10)\:miles$ far from Chester.

Step-by-step explanation:

Distance Between Alston and Barton = $10(3)/(5)\:miles$

Distance Between Barton and Chester = $12(1)/(2)\:miles$

Distance Between Alston and Durbin = $35\:miles$

Distance between Chester and Durbin = $35-10(3)/(5)-12(1)/(2)$

= $35-(53)/(5)-(25)/(2)$

= $(350-106-125)/(10)$

= $(119)/(10)$

= $11(9)/(10)\:miles$

Therefore, Durbin is $11(9)/(10)\:miles$ far from Chester.

What is four divided by five/sixths

Answers

To work this particular problem I would first cover 4 in to a fraction which would be 8/2. Next you will multiple by the reciprocal of 5/6, which would be 6/5.

8/2 * 6/5 = 48/10. This then reduces to 24/5 or 4 4/5.

If this is correct your problem looks like: 5/6 ÷ 4. Well each (pie) would have 1/6 left of course. So add those up.........4/20 or 4/2. I did it and got both. :(
I still hope this helps! :D

Which inequality is false?A.
–8 > –1

B.
5 < 10

C.
–5 < –2

D.
14 > –9

Answers

A) $-8 \ \textgreater \ -1$ is false. There is no solution.

B) $5 \ \textless \ 10$ is true. There are infinite solutions.

C) $-5 \ \textless \ -2$ is true. There are infinite solutions.

D) $14 \ \textgreater \ -9$ is true. There are infinite solutions.

the answer is A. -8 > -1

because -8 is less than -1

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