Question about EnGenius DuraFon 4X Cordless Phone

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Posted on Jan 02, 2017

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Feb 22, 2015 | Kenmore Dryers

You need to draw the **curve y= x^2-4x+ 3.** It is a parabola. **The equality (=) is verified by all points on the curve.** The curve divides the whole plane in two regions. In one region **y will be less **than x^2-4x+3. In the other regions** y will be larger** than x^2-4x+3

The regions are the interior of the parabola and its exterior. To find out the region where your inequality is verified you proceed as follow.

**y < x^2-4x+3, is FALSE** and that second region (the one that does not contain the origin (0,0) is the one you need to find. **It represents your solution set.** Note that the origin (0,0) does not lie in the solution set region

The regions are the interior of the parabola and its exterior. To find out the region where your inequality is verified you proceed as follow.

- Look at the graph and choose the coordinates of one point. Select integer values (BTW the point (0,0) is usually a good candidate) and write
**y ? x^2-4x+3**where the ? stands for the inequality sign you will have to insert to make the relation correct. - Take x=0, and y=0 and substitute in
**y ? x^2-4x+3** **0 ? (0^2)-4*(0)+3**.- Clearly the
**? stands for < because 0 <3.** - So at all the points in the region where (0,0) is located
**the condition y< x^2-4x+3 is TRUE.**

Mar 03, 2014 | Casio FX82ES Scientific Calculator

=>2x+3=0 ; taken x as common and 4-2=2 i.e. x(4-2) = 2x

=>2x=-3 ; +3's moved on the right-hand side, so it becomes -3

=>x=-3/2 ; 2 has been moved to the right-hand side and divided with -3 i.e 1/2 multiplied by -3 = -3/2

Good luck.

Thanks for using

Aug 13, 2010 | SoftMath Algebrator - Algebra Homework...

Hi,

This calculator does not have a Solve function or a solver. However this example of yours is very simple that you can do it by hand. If you do not mind I will show you how to solve it. Not everything needs a calculator.

You want to solve for x. OK

This calculator does not have a Solve function or a solver. However this example of yours is very simple that you can do it by hand. If you do not mind I will show you how to solve it. Not everything needs a calculator.

You want to solve for x. OK

- Start by gathering similar terms 4x-x =3x; -13+5 =-8
- Rewrite your equation as 3x+1=2x-8
- Make the +1 change side while changing its sign
- 4x+1 -1 = 2x-8 -1 or 4x=2x-9
- Make +2x on the Right hand side go to the left hand side, changing its sign in the process 4x-2x=-9 or 2x=-9
- Divide both members by 2. This gives
- x=-9/2 or -4.5 if a decimal result is required.

Dec 06, 2009 | Texas Instruments TI-30XA Calculator

Hello,

I am not lecturing you but I would rather you understand how to do the manipulations involved in isolating a variable.

You want to isolate y, Ok

Start stripping it of all that is not y.

3y + 4x =6. (Addition is commutative, I can change the order of addition)

The term with y is** added **to 4x. If I want the term in y alone on one side I perform the** inverse operation of addition**, a **substraction**. I subtract 4x from both sides.

3y+4x-4x=6-4x. But 4x-4x=0, and we are left with

**3y= - 4x+6**

This operation is sometimes summarized as make one term change side while changing its sign

It would do no harm to put the right side of the foregoing equation in parentheses. I do that to avoid errors)

3y= (-4x+6).

Now y is**multiplied** by the number 3. To isolate y I have to perform the **inverse operation** of the multiplication, namely the division by 3

3y/3 =(-4x+6)/3. The left hand side is just y

**y= (-4x+6)/3.**

While result is correct, I can also open the parentheses

y= -4x/3 +6/3

**y= -(4/3)*x +2.**

Hope it helps.

I am not lecturing you but I would rather you understand how to do the manipulations involved in isolating a variable.

You want to isolate y, Ok

Start stripping it of all that is not y.

3y + 4x =6. (Addition is commutative, I can change the order of addition)

The term with y is

3y+4x-4x=6-4x. But 4x-4x=0, and we are left with

This operation is sometimes summarized as make one term change side while changing its sign

It would do no harm to put the right side of the foregoing equation in parentheses. I do that to avoid errors)

3y= (-4x+6).

Now y is

3y/3 =(-4x+6)/3. The left hand side is just y

While result is correct, I can also open the parentheses

y= -4x/3 +6/3

Hope it helps.

Oct 22, 2009 | Texas Instruments TI-89 Calculator

6x+6=4x+12

Since 4x contains the variable to solve for, move it to the left-hand side of the equation by subtracting 4x from both sides.

6x+6-4x=12

Since 6x and -4x are like terms, add -4x to 6x to get 2x.

2x+6=12

Since 6 does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 6 from both sides.

2x=-6+12

Add 12 to -6 to get 6.

2x=6

Divide each term in the equation by 2.

(2x)/(2)=(6)/(2)

Simplify the left-hand side of the equation by canceling the common factors.

x=(6)/(2)

Simplify the right-hand side of the equation by simplifying each term.

x=3

Good Luck

Since 4x contains the variable to solve for, move it to the left-hand side of the equation by subtracting 4x from both sides.

6x+6-4x=12

Since 6x and -4x are like terms, add -4x to 6x to get 2x.

2x+6=12

Since 6 does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 6 from both sides.

2x=-6+12

Add 12 to -6 to get 6.

2x=6

Divide each term in the equation by 2.

(2x)/(2)=(6)/(2)

Simplify the left-hand side of the equation by canceling the common factors.

x=(6)/(2)

Simplify the right-hand side of the equation by simplifying each term.

x=3

Good Luck

Sep 10, 2009 | Audio Players & Recorders

DVD burners will only write to the maximum stated.

Also if you are using 4x DVDs then that is all they will burn at without often giving errors when used.

Trying to burn a 4x DVD at lets say 16x can cause burn failure or data corruption.

Cd's on the other hand can burn at lower speeds than they are stated.

To burn DVDs at higher speeds your burner needs to be capable of that speed

Also if you are using 4x DVDs then that is all they will burn at without often giving errors when used.

Trying to burn a 4x DVD at lets say 16x can cause burn failure or data corruption.

Cd's on the other hand can burn at lower speeds than they are stated.

To burn DVDs at higher speeds your burner needs to be capable of that speed

Sep 06, 2009 | NEC ND-2500A DVD±RW Burner

I had this same problem with mine. Was plugged into cord and shorted out, took back to Home Depot and got it replaced. There is an internal fuse that u can not get too no matter how hard u try to take apart. Only mfg can repace.

Jul 11, 2009 | Hand Tools

look at engine from front---- left hand side bottom below altenator ,4x 10mm bolts .remove altenator to gain access is only way.3/8 drive socket set with universal .Renew housing as they warp like crazy and make a gasket with a cornflakes box or similar ,i know it has·"O" rings but trust me they leak.use a ball bearing to make the bolt holes in the gasket.

Feb 16, 2009 | 2000 Ford Focus

Technically, E25 is a copy-protection error, but I have some additional background on this issue. On the one hand, it could be a legitimate copy-protection error - you are trying to record from a copy-once or copy-protected source - this is especially true if you are trying to record from a Cable/Satellite Box that has a DVR box - since copying to the DVR is considered the first "copy," the Magnavox will not allow you to make a "second" copy.

On the other hand, Magnavox/Funai players see all programs recorded in V mode (as opposed to VR mode) as "copy-prohibited". It records all +R discs in VR mode automatically, so the solution in this case would be to record on a compatible -R disc (or vice versa).

There are two simple fixes for this issue in either case:

1) If you are using a +R disc, switch to a -R disc. If you are using a -R disc, switch to a +R disc. Simply switching the disc type will "fix" Magnavox recorders (long story).

2) If your TV has a "Video Out" or "Monitor Out" (most TV's don't), you can connect a yellow video cable from the OUT of the TV to the Video IN on the back of the Magnavox. This will permanently resolve your problem by fooling the recorder.

Here is additional info about the type of disc to get:

I**Discs that have been tested and are proven to be compatible with this recorder:**

VERBATIM DVD+R 8x, VERBATIM DVD+RW 4x

VERBATIM DVD-R 8x, VERBATIM DVD-RW 2x, MAXELL DVD-R 16x, JVC DVD-RW 4x

I**We strongly recommend for good recording quality:**

TDK DVD+R 4x/8x/16x, SONY DVD+R 4x/8x/16x, MAXELL DVD+R 4x/8x/16x, SONY DVD+RW 4x,

MAXELL DVD-R 8x/16x, MAXELL DVD-RW 4x

Good Luck!

-Tha Mp3 Doctor

On the other hand, Magnavox/Funai players see all programs recorded in V mode (as opposed to VR mode) as "copy-prohibited". It records all +R discs in VR mode automatically, so the solution in this case would be to record on a compatible -R disc (or vice versa).

There are two simple fixes for this issue in either case:

1) If you are using a +R disc, switch to a -R disc. If you are using a -R disc, switch to a +R disc. Simply switching the disc type will "fix" Magnavox recorders (long story).

2) If your TV has a "Video Out" or "Monitor Out" (most TV's don't), you can connect a yellow video cable from the OUT of the TV to the Video IN on the back of the Magnavox. This will permanently resolve your problem by fooling the recorder.

Here is additional info about the type of disc to get:

I

VERBATIM DVD+R 8x, VERBATIM DVD+RW 4x

VERBATIM DVD-R 8x, VERBATIM DVD-RW 2x, MAXELL DVD-R 16x, JVC DVD-RW 4x

TDK DVD+R 4x/8x/16x, SONY DVD+R 4x/8x/16x, MAXELL DVD+R 4x/8x/16x, SONY DVD+RW 4x,

MAXELL DVD-R 8x/16x, MAXELL DVD-RW 4x

Good Luck!

-Tha Mp3 Doctor

Feb 01, 2009 | Philips Magnavox MWR10D6 DVD Recorder

Feb 07, 2018 | EnGenius DuraFon 4X Cordless Phone

Aug 18, 2017 | EnGenius DuraFon 4X Cordless Phone

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