Mathematics High School

Find the solution set for this inequality, -2x + 4 > -4x + 8

Answers

Answer 1

Answer:

The answer is

x > 2

Step-by-step explanation:

- 2x + 4 > - 4x + 8

Add 4x to both sides of the inequality

That's

- 2x + 4x + 4 > - 4x + 4x + 8

2x + 4 > 8

Subtract 4 from both sides

That's

2x + 4 - 4 > 8 - 4

2x > 4

Divide both sides by 2

That's

[tex] \frac{2x}{2} > \frac{4}{2} [/tex]

We have the final answer as

x > 2

Hope this helps you

Related Questions

3 (x + 1) - 5 = 3x - 2
has how many solutions?

Answers

Answer:

Zero Solutions

Step-by-step explanation:

3x+3-5=3x-2

3x-3x= -2+5

0= 3

0 does not equal 3, so zero solutions.

A mountain biker gets halfway up a hill and realizes he forgot his water, so he returns to his starting point

Answers

Step-by-step explanation:

The mountain bike goes back down the hill to get his water bottle

Answer:

True

Explanation:

1/2 (up the hill) - 1/2 (down the hill) = 0

the answer to 2/3 y-3/4=5

Answers

Answer:

y= 69/8 or 8 5/8 or 8.625

The number 56 is decreased to 54. What is the percentage by which the number was decreased, to the nearest tenth of a percent?

Answers

The percent of change = ((new value - old value) / old value) * 100%

In our problem,

New value = 54

Old value = 56

Let's plug our numbers in

((54 - 56) / 56) * 100% = - 3.6%

The number decreased by 3.6%

find the equation of the line with a slope of 3/4 that goes through the point (8,-1)

Answers

[tex]y = {x}^{2} - 7x - 8[/tex]

What is 40/42 in simplest form

Answers

21/20 because I know lol

Answer:

20/21

Step-by-step explanation:

40 /42  =  20 /21

(Decimal: 0.952381)

I can’t figure this out

Answers

Answer:

5/6

Step-by-step explanation:

Negative numbers are excluded because they are the lowest.

In this case, 5 is greater than 1 since the denominators are the same.

i think it’s 5/6 because if you covert 5/6 into a decimal it round to 0.8 and if you covert 1/6 into a decimal it rounds to 0.1 and it can’t be any of the negatives since the negative will give it a lower value

Convert this number expressed in standard form to scientific notation. 28,500,000 1. Move the decimal to create the coefficient: 2.8500000 2. Write in scientific notation: 2.85 × 10x What is the value of x in the scientific notation?

Answers

Answer:

2.85 x 10⁷

Step-by-step explanation:

Answer:

The value of x is 7.

Step-by-step explanation:



3x + 17 = 2x - 6
What’s the answer for x

Answers

3x+17=2x-6
-2x -2x * subtract 2x from both sides* *3x-2x is 1x*
1x+17=-6 *now subtract 17 from both sides*
-17 -17
1x=-23
1x. 1x
x=23

Help please! Click on the other pictures to see the answer choices for the blanks.

Answers

Answer: The two angles are congruent. This is true due to the Side-Angle-Side (SAS) postulate.

Hope this helps!

Which are like terms?
3x + 2x + 6y + 3

Answers

Answer:

The like terms: 3x and 2x

Step-by-step explanation:

3x+2x+6y+3

5x+6y+3

Hope this helps

Enter an integer to represent the situation.




A $655 profit​

Answers

Answer:

it would be 655 because profit means it is a positive number

Write an English phrase that would translate into the following mathematical expression. Which of the following is equivalent to the expression ​? 9z-7 A. 9 less than the product of 7 and a number z B. the difference of 9 times a number z and 7 C. The quotient of 9 times a number z and 7 D. 9 times the difference of a number z and 7

Answers

Answer:

The correct answer is B.

Explanation:

The difference of 9 times a number z -  9z - something

and 7 - and 7

Put everything together- 9z - 7

Happy studying! :)

Amaya sold half of her comic books and then bought sixteen more. She now has 36. With
how many did she begin?
HURRY PLSSS

Answers

Answer:

she started with 40 comic books

Miko walked a distance of 1.60 km in 30 min. Find her average speed in m/s.

Answers

Miko walked a distance of 1.60 km in 30 min. Find her average speed in m/s.

Distance travelled = 1.6km = 1600m

Time taken = 30min = 30*60 = 1800s.

speed = distance/time = 1600/1800 = 0.89m/s

To visit his grandmother Luis take a train 6.37 kilometers and a car 5.45 kilometers

Answers

Answer:

To visit his grandmother, Luis takes a train 6.37 kilometers and a car 5.45 kilometers. How many kilometers is Luis's journey in total? Answer: Luis traveled 11.82 km to visit her grandmother.

Step-by-step explanation:

Answer:

11.82

Step-by-step explanation:

Evaluate the expression x2 + y2 if x = -3 and y= -2

Answers

Answer:

The Answer is 1

Step-by-step explanation:

It's 1 because x is -3 and its getting squared so its -3 times -3 which is 9. And then Y is -2 cubed so -2x-2x-2 which equals -8.

9-8=1

Hope this helps!

what is the slope formula

Answers

Answer:

Slope formula is

m= rise over run (rise/run)

Which can be translate to (y2-y1) /( x2-x1)

Y=Mx+ B is the slope formula

a picture frame originally priced at AED 14.89 is on sale for 40% off . what is the discount price ??

Answers

Answer:

8.93 AED

Step-by-step explanation:

→ Work out the multiplier

100 - 40 = 60 ⇔ 60 ÷ 100 = 0.6

→ Multiply the multiplier by the price

14.89 × 0.6 = 8.93

What is the first step in solving the inequality m-2/6< –1

Answers

Steps to solve:

m - 2/6 < -1

~Add 2/6 to both sides

m < -4/6

Best of Luck!

Find all numbers such that 16 plus 3 times the number is no more than 46. A. x > 11 B. x 11 D. x < 10

Answers

Answer:

           D.  x ≤ 10  (if you wrote the wrong sign)

or  No answer

Step-by-step explanation:

x - the number

3x   - three times the number

no more than 46 means  ≤46

16 + 3x ≤ 46

  3x ≤ 46 - 16

  3x ≤ 30

   x ≤ 30:3

   x ≤ 10

The numbers are  x < 10

What is inequality?

A statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.

Given:

16 plus 3 times the number is no more than 46.

let the number be x

then, three times the number be 3x

Lastly, not more than 46.

So,

16 + 3x ≤ 46

3x ≤ 46 - 16

3x ≤ 30

x ≤ 30/3

x ≤ 10

Hence, the number should be x < 10.

Learn more about equality here:

https://brainly.com/question/23575974

#SPJ2

Segment addition postulate
What’s the answer?

Answers

[tex]\bf Step-by-step~explanation:[/tex]

Keep in mind: The entire line segment (VX) is equal to 14.

[tex]\bf Step~1:[/tex]

Let's see how the line segment looks like first.

Line segment VX is 14 units long.

             14

______________

V                         X

W is on the line segment somewhere, and VW is equal to 3.

     3              ?

______________

V           W           X

[tex]\bf Step~2:[/tex]

We have to solve for the ?. Let's put ? as x. So now we are solving for x.

We have to set up our equation like this:

x + 3 = 14

Since our unknown value plus 3 is equal to 14, we have to subtract 3 from 14 to get our answer.

14 - 3 = 11

   3               11

______________

V           W           X

[tex]\large\boxed {\bf Our~final~answer: ~WX=11}[/tex]

how would the following problem be represented using colored titles -7+(-3)

Answers

Answer:

-10

Step-by-step explanation:

OK, I cut a cake vertically to make 2 congruent parts. a) Find the perimeter and area of the cross section formed by the cut. Write your answer as a decimal. The perimeter is __ inches and the area is __ square inches. b) Find the surface area of the cake that is not frosted before the cut. Round your answer to the nearest hundredth. The surface area is about __square inches.

Answers

Answer:

The perimeter is 36.5 inches.

The area is 59.5 square inches.

The surface area is about  153.94 square inches.

Step-by-step explanation:

From the figure it is clear that,

Radius of cake = 7 in

Diameter of cake = 14 in

Height = 4.25 in

We need cut the cake vertically along its diameter to make 2 congruent parts.

So, cross section is a rectangle of length 4.25 in and width 14 in.

Perimeter of rectangle is

[tex]Perimeter=2(length+width)[/tex]

[tex]Perimeter=2(4.25+14)[/tex]

[tex]Perimeter=2(18.25)[/tex]

[tex]Perimeter=36.5[/tex]

The perimeter is 36.5 inches.

Area of rectangle is

[tex]Area=lengt\times width[/tex]

[tex]Area=4.25\times 14[/tex]

[tex]Area=59.5[/tex]

The area is 59.5 square inches.

We need to find the surface area of the cake that is not frosted before the cut. It means the area of base.

Area of circle = [tex]\pi r^2[/tex]

where, r is radius.

Area of circular base = [tex]\pi (7)^2[/tex]

[tex]=49\pi [/tex]

[tex]=153.93804[/tex]

[tex]\approx 153.94[/tex]

Therefore, the surface area is about  153.94 square inches.

THIS IS URGENT I NEED HELP ASAP PLEASE

Answers

So you can only simplify like terms this means that number terms like 5 can’t be added or subtracted from 5x and the x is a separate term this is the same for x^2 and so on as these are different terms and can’t be added or subtracted to other terms, next the signs in between the brackets may change whether you add or subtract so be careful with those a negative and a positive make a negative, two positives make a positive, two negatives make a positive, always check the signs when answering so
No20) (2a+9)-(4a-9) would be 2a+9-4a+9 as the minus changes the signs this then equals -2a+18
Now you can do the harder ones
19) (5a^2+7a-1)+(3a^3-4a+6) =
3a^2+5a^2+3a+5
21) (3x^3+3x^2-4x+5)-(x^3-2x^2+x-4) = 2x^3+5x^2-5x+9
22) (2x^3-5x+1)+(4-6x+x^2) = 2x^3+x^2-11x+5

Gum is on sale. You can get 50 packages for $6.99 at the Candy Store, 40 pieces for $5.75 at Sweet Treats or 25 pieces for $4.25 at Chew-chew's. Where will you buy your gum for the best buy?

Answers

Answer:

The Candy Store

Step-by-step explanation:

In order to find the best buy, we have to find the unit price for each store. The first store we will look at is the Candy Store. To find unit prices, we must divide the price by the number of merchandise for sale, as shown here:

6.99 / 50 = 0.1398

This means each piece of gum costs a little less than 14 cents.

Moving on to Sweet Treats:

5.75 / 40 = 0.14375

Each piece of gum at this store costs a little more than 14 cents.

Last but not least, Chew-Chew's:

4.25 / 25 = 0.17

Each piece of gum here costs 17 cents.

Now, to determine which price is better, we have to go with the lowest unit price, which would be at the first shop, the Candy Store, which is your answer.

Hope this helps :)

It will be 0.65 you will buy it at a good store if you can find one

Aidan is running for student body president. In today’s election, he received 462 votes out of a total of 825 votes cast. What percent of votes did Aidan get?

Answers

Answer:

56%

Step-by-step explanation:

votes received/total votes = %

462/825 = 0.596 = 56%

Answer:

56% of the votes

Step-by-step explanation:

Divide 462 by 825 to get a decimal number. Then multiply the answer by 100 to get a percentage. (This moves the decimal over 2 to the right)

Jamal made 7 9 of his free throws and Brian made 5 8 of his free throws. Which player has the better record? Explain.

Answers

Answer: Jamal

Step-by-step explanation:

7/9 = 0.777...

5/8 = 0.625

Therefore, Jamal has a higher probability of making it in.

Answer:

Jamal

Step-by-step explanation:

7/9= 0.77

5/8= 0.62

Jamal has a higher probability of making it

8.1 as a mixed number​

Answers

Answer:

8 1/10 as a mixed number sorry if I'm wronge

solve for n (look at attachment)

Answers

First distribute 6 into the parenthesis so that would be (6n - 18) - 2n = 10. Then erase the parenthesis to make the subtraction easier. So that would be 6n-18-2n=10. Then solve the subtraction by separating the unknown numbers with n and the normal numbers. So 6n-2n=4n 4n-18=10. To find n, add 18 and 10 to make both sides of the equation equal. So that would make 4n=28. Therefore n would be 7 because 28 divided by 4 makes 7.
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