Mathematics High School

solve the inequality
please .. if you can show your work i dont understand it

Solve The Inequality Please .. If You Can Show Your Work I Dont Understand It

Answers

Answer 1

Answer:

X ≥ 3

Step-by-step explanation:

First you simplify, as if the ≤ is an = (just don't multiply with a negative number)

27 = 7X + 6

27 - 6 = 7X

21 = 7X

3 = X

Then you put the ≤ back in

3 ≤ X

and put the X up front. The ≤ then swaps into a ≥

Finally, you can do a test with X = 2 (should be false) and X=4 (should be true), to check wether you made any mistakes.

Related Questions

4-3y+(-7y)+6.9=

Fast PLZ!

Answers

Simplifying
7y + -4 = 3y + 6

Reorder the terms:
-4 + 7y = 3y + 6

Reorder the terms:
-4 + 7y = 6 + 3y

Solving
-4 + 7y = 6 + 3y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-3y' to each side of the equation.
-4 + 7y + -3y = 6 + 3y + -3y

Combine like terms: 7y + -3y = 4y
-4 + 4y = 6 + 3y + -3y

Combine like terms: 3y + -3y = 0
-4 + 4y = 6 + 0
-4 + 4y = 6

Add '4' to each side of the equation.
-4 + 4 + 4y = 6 + 4

Combine like terms: -4 + 4 = 0
0 + 4y = 6 + 4
4y = 6 + 4

Combine like terms: 6 + 4 = 10
4y = 10

Divide each side by '4'.
y = 2.5

Simplifying
y = 2.5

Solve each equation after clearing fractions or decimals and check the solution:
1. 2/3x-5/6=2
2. 4/5x+1/3=2

Answers

Answer:

scCXczxczxs davefrevs rgv sdfasdfadcfa afaFAFaDF

John is putting a fence around his garden that is shaped like a half circle and a rectangle. How much fencing will John need? Use 22/7 as Pi.

32 ft

39 ft

46 ft

57 ft

Answers

Answer:

46

Step-by-step explanation:

It will help :)

Answer:

46

Step-by-step explanation:

RIGHT ON EDGE~


Mikayla downloaded 64
pictures from the cloud to her laptop.
These pictures took up 192 megabytes
of space on her laptop. Each picture
took up the same amount of space.
How many megabytes do 25
of these pictures take up?

Answers

Answer:

25 pictures will take up 75 Megabytes of space.

Step-by-step explanation:

Given that:

Number of pictures downloaded = 64

Space taken by pictures = 192 MBs

Unit rate = [tex]\frac{192}{64}[/tex]

Unit rate = 3 Megabytes per picture

Now,

The space 25 pictures would take,

25 pictures = 3*25

25 pictures = 75 Megabytes

Hence,

25 pictures will take up 75 Megabytes of space.

A(3, 3), 60, 6) and co, 4),
Write down the coordinates of the points marked on the graph below.
2
1​

Answers

Answer:

yo bro

Explanation:

im no there to answer but im doing a challenge so pls dont report me

what is 2/3 ÷ 3/4 I really need help​

Answers

Answer:

8/9

Step-by-step explanation:

2/3 ÷ 3/4

2*4/(3*3)

8/9

If the point (3,-4) is dilated by a scale factor of 74 , what are the new coordinates?
Now take the new points and rotated them 180°. What are the new coordinates?

Answers

Answer:

(-222, 296)

Step-by-step explanation:

Given point

(3, -4)

Dilation by a scale factor of 74:

(x, y) → (74x, 74y)(3, -4) → (74*3, 74(-4)) = (222, -296)

Rotation by 180°:

(x, y) → (-x, -y)(222, -296) → (-222, 296)

Help & explain answer pls

Answers

The solution is (-2,4) she right both have the same solution because if you solve both of them you will get (-2,4)

What is the equation of the line represented by the data in the table

Answers

Answer: y = -1/2x - 1

The graph of y= x^2 +4x +3 is shown
work out a and b please

Answers

Answer:

A.) i think it's (-2, -1)

B.) ?

Step-by-step explanation:

I am very sorry if they are wrong....i don't know B..sorry

Answer:

b = (-1,0) (-3,0)

Step-by-step explanation:

I NEED HELP REALLY BAD

Answers

The answer is 40 degrees.

PLZZZ, help I having a Test!!!

What is the length of AD? The picture is attach....

Answers

Answer:

kite

Step-by-step explanation:

it be kite

There are 272 people in an audience. The ratio of adults to children is 5 : 3. How many are children?

Answers

Answer:

alot

Step-by-step explanation:

Answer:

Step-by-step explanation:

The ratio of adults being 5:3 means that you should first divide the audience into 8 sections. You get 18. Now, you can multiply 18 by 5 to find out how many adults there are, since 5 means quantity of adults.

There are 90 adults



Create your own "magic trick" that will always result in
5.

Write out the steps for the magic trick in the table. You
can add more rows as needed.


Explain why the result of your trick will always be 5.
Step 1:
Step 2:

Answers

The number 25, divide that by 5 will be 5 now subtract that 25 with 20, the answer will be 5, now a random 20 appeared, add the 2 5’s and that will become 10, not subtract that 10 with the 20, you get 10. Now add all the numbers you see in the screen, the answer is 142, not subtract that with 137, that will be 5... I just wasted your time.

Write the slope in slop intercept form of the line that has a slope of m=2 and goes through thr point. (-3,-5)

answers:

A. y=2x+5
B: y=2x+1
C: =y=2x-1
D: y=3x-2​

Answers

Answer:

B. y = 2x + 1

Step-by-step explanation:

Substitute the information into the point-slope form equation.

y - y₁ = m(x - x₁)

y - (-5) = 2(x - (-3)

y + 5 = 2(x + 3)

y + 5 = 2x + 6

y = 2x + 1

Answer:

c!

Step-by-step explanation:

find the midpoint between the points in the graph.
Can someone please help

Answers

Answer: I would think that the midpoint is (2,3)

Step-by-step explanation: Because I have eyes

3+2x=17 I’m taking a test

Answers

Answer: x=7

Step-by-step explanation:

2x=17-3

2x=14

X=7

3 + 2x = 17
-3 + 2x = 17 -3
2x = 14
2x/2 = 14/2
x = 7

. Johnny says that 6 3/8 converted to a decimal is 6.392. Is Johnny correct?
Justify your answer. and show your work please! get 100 points if you get it right!

Answers

Answer: No

Explanation:
1. Divide the numerator (3) by the denominator (8) to convert it into a decimal. (3÷8=0.375)
2. Add the 6 back to get the answer. (6+0.375=6.375)

Let's check

3/8=3×125/8×125=375/1000=0.375

So

6-3/86+3/86+0.3756.375

Hence he is wrong

Y’all know what this is ?

Answers

Answer:

65

Step-by-step explanation:

8(5) + 25 = 65

We plugged in 5 for c since we know its value.

Answer:

65

Step-by-step explanation:

8x5=40 25+40=65

I hope this helps, and have a nice day!

Please help ASAP!!!??

Answers

Answer:

[tex]\{-2,-1,1,2,4\}[/tex]

Step-by-step explanation:

Given

The attached graph

Required

Determine the range of the graph

First, we list out the coordinate of each point on the graph:

The points are:

[tex]\{(-4,-1),(-3,-2),(-2,2),(1,1),(2,4)\}[/tex]

A function has the form: (x,y)

Where

y = range:

From the coordinate points above,

[tex]y = \{-1,-2,2,1,4\}[/tex]

Order from least to greatest"

[tex]y = \{-2,-1,1,2,4\}[/tex]

Hence, the range are: [tex]\{-2,-1,1,2,4\}[/tex]

I need help, i don’t understand how to do it

Answers

hai , you can use Pythagoras Theorem to find the length which is hypotenuse.

It will be 7^2 + 3^2 = 58

square root 58 and you will get 7.62

Hope this helps and i am sorry if my answer was wrong .

y=x+5
x-5y=-9
Can someone please help ASAP

Answers

X = -4
Y = 1

1 = -4 + 5
-4 - 5(1) = -9

Expand and simplify:
4(2x + 1) + 2(2x - 1)​

Answers

Answer:

12x + 2

Step-by-step explanation:

4 ( 2x + 1 ) ⇔ 8x + 4

2 ( 2x - 1 )​ ⇔ 4x - 2

8x + 4 + 4x - 2 = 12x + 2

If Judy uses 400 chocolate chips to make x cookies, write an expression that represents the number of chocolate chips in each cookie.

Answers

Answer:

y=[tex]\frac{400}{x}[/tex]

Step-by-step explanation:

Answer: 400/x (over x} = Y {amount on each cookie}

Step-by-step explanation:

What is f(-4) for the function f(x) =-3x-8

Answers

Answer:

f(-4) = 4

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Algebra I

Function Notation

Step-by-step explanation:

Step 1: Define

f(x) = -3x - 8

f(-4) is x = -4

Step 2: Evaluate

Substitute in x:                    f(-4) = -3(-4) - 8Multiply:                               f(-4) = 12 - 8Subtract:                              f(-4) = 4

Answer:

the correct answer is:

-3 × -4 -8 = 12 - 8 = 4

2(-2×-8)+4×=2(1+3×) someone pls help​

Answers

Answer:

x=-3

Step-by-step explanation:

2(-2x-8) + 4x = 2(1+3x)

Distribute:

-4x-16+4x=2+6x

Simplify Like-Terms:

-16=2+6x

Subtract 2 from both sides:

-18=6x

Divide both sides by 6:

x=-3

*You don't have to, but I am currently trying to reach the next level, and all I need is some more brainliest answers. If you think my answer was brainly enough, you can make my answer the brainliest, but no pressure. I just help people for fun! :) Thank you, have a great day!*

MULTIPLE QUESTIONS FOR 100 POINTS IF CORRECT YOU WILL GET BRAINLIEST!!! PLEASE HELP

1. Do Charlotte's calculations make sense? Why or why not? Make sure to address each step in your answer and use complete sentences to explain your reasoning.

2. Charlotte is redecorating the master bedroom in her house. She has purchased a new bedroom set and also plans to paint the room and put in new flooring. The room is rectangular, with dimensions of 16 feet (length) by 13 feet (width). The walls in the room are 9 feet tall, and the room contains two doors and two windows.

Charlotte has decided to put new carpet in the bedroom. The carpet she chose costs $1.85 per square foot, not including the cost of labor or other related materials. She was given the following information by the local flooring store where she is purchasing the carpet.

She is required to purchase a piece of carpet that includes a 3-inch overlap on all sides. Labor and material costs will relate to the area of this piece.
The labor costs are $23 per hour, per person.
A two-person carpet crew can lay 50 square feet of carpet each hour.
The crew that will complete the job at Charlotte's house will be a four-person crew.
There is an additional $75 fee to cover the cost of equipment, materials, and supplies.
What are the dimensions of the piece of carpet that Charlotte must purchase? Note: Express your answer as a decimal number and do not round.

Length:
feet; Width:
feet.

3. Charlotte is redecorating the master bedroom in her house. She has purchased a new bedroom set and also plans to paint the room and put in new flooring. The room is rectangular, with dimensions of 16 feet (length) by 13 feet (width). The walls in the room are 9 feet tall, and the room contains two doors and two windows.

Charlotte has decided to put new carpet in the bedroom. The carpet she chose costs $1.85 per square foot, not including the cost of labor or other related materials. She was given the following information by the local flooring store where she is purchasing the carpet.

She is required to purchase a piece of carpet that includes a 3-inch overlap on all sides. Labor and material costs will relate to the area of this piece.
The labor costs are $23 per hour, per person.
A two-person carpet crew can lay 50 square feet of carpet each hour.
The crew that will complete the job at Charlotte's house will be a four-person crew.
There is an additional $75 fee to cover the cost of equipment, materials, and supplies.
Recall that the area of a rectangle is found by multiplying the length and width of the rectangle. What is the area of the piece of carpet that Charlotte must purchase? Note: Express your answer as a decimal number and do not round.

_____ square feet

Answers

Yes, they do make sense because the amount of square feet is equal to the amount of money needed to make the purchase in the mathematical abbreviations.

I hope this helped!

Answer:

Yes, they do make sense because the amount of square feet is equal to the amount of money needed to make the purchase in the mathematical abbreviations.

Step-by-step explanation:

3 rays have common vertex. All the angles, which are made by neighbor rays( I think they mean adjacent rays), can be:
a)acute
b)obtuse
c)right
d)none of it.

btw I checked answer, but I still didn't understand, so I need explanation.​

Answers

Answer:

[tex]b)\ Obtuse[/tex]

Step-by-step explanation:

[tex]We\ are\ given\ that:\\There\ are\ three\ rays.\\Lets\ mark\ them\ Ray\ OP, OQ,\ and\ OR\ with\ their\ common\ Vertex\ O.\\\\Now,\\We\ know\ that\ the\ sum\ of\ all\ angles\ around\ a\ point[or\ here\ Vertex\ O]\\ should\ be\ equal\ to\ 360.\\Here,\\\\Lets\ consider\ each\ case\ sepearately.\\If\ all\ the\ angles\ formed: \angle POR, \angle ROQ, \angle POQ,\ are\ acute\ then:\\\angle POR, \angle ROQ, \angle POQ<90\\If\ we\ add\ them\ together,[/tex]

[tex]\angle POR+ \angle ROQ+ \angle POQ<90+90+90<270[/tex]

[tex]But\ here\ the\ sum\ of\ the\ angles\ are\ less\ than\ 270,\ but\ the\ sum\ should\\ instead\ be\ 360.\\Hence,\ the\ angles\ formed\ by\ the\ rays\ are\ NOT\ acute.[/tex]

[tex]Similarly,\\If\ all\ the\ angles\ formed: \angle POR, \angle ROQ, \angle POQ,\ are\ right\ then:\\\angle POR, \angle ROQ, \angle POQ =90\\When\ we\ add\ them\ again:\\\angle POR+ \angle ROQ+ \angle POQ=90+90+90=270\\But\ again\ the\ sum\ here\ is\ equal\ to\ 270,\ but\ instead\ the\ sum\ had\ to\\ be\ equal\ to\ 360.\\Hence,\\The\ angles\ formed\ are\ NOT\ right.[/tex]

[tex]Lets\ consider\ the\ Last\ Case,\\If\ the\ angles\ formed: \angle POR, \angle ROQ, \angle POQ\ are\ obtuse,\\\angle POR, \angle ROQ, \angle POQ>90\\When\ we\ add\ them:\\\angle POR+ \angle ROQ+ \angle POQ>(90+90+90)>270\\Here,\\The\ angles\ formed\ are\ greater\ than\ 270.\ As\ 360>270,\ the\ angles\ ARE\\ obtuse.[/tex]

the main sailboat has the dimensions shown in figure at the right . what is the height of the main sail? Then round to the nearest tenth as needed .)​

Answers

Answer:

h = 14.5 ft

Step-by-step explanation:

Apply trigonometric ratio formula to find h:

reference angle = 46°

Opposite side = h

Adjacent side = 14 ft

Thus:

Tan 46 = h/14

Multiply both sides by 14

14*tan 46 = h

h = 14.4974243

h = 14.5 (nearest tenth)

I need help with this one it does not make scene

Answers

Step-by-step explanation:

[tex] {x}^{2} - 3x + 4 + 4 {x}^{2} - (x + 12)[/tex]

[tex]5 {x}^{2} - 4x - 8[/tex]

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