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3 years ago

D=f+ fx solve for x

Mathematics

1 answer:

Zepler [3.9K]3 years ago

3 0

Answer:

X = d/f - 1

Step-by-step explanation:

You would Isolate the variable by dividing each side by factors that don't contain the variable. Hope this helps

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Christopher has 3/4 of a pie . Alex has 2/3 of a pie. Jaden has 1/2of a pie. Who has the biggest amount? Who has the least? How

vfiekz [6]

Chris has most the. Alex follows jaden has the least amount ( no model shown so cant answer on that)

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4 years ago

What is the center and radius?<br><br> X^2+y^2+6x-6y=-14

Zolol [24]

Answer:

Therefore,

$Center\ is\ C(-3,3)\\and\\Radius= 2\ units$

Step-by-step explanation:

Given:

A Equation of a Circle that is

$x^{2} +y^{2}+ 6x-6y=-14$

Which can be written as

$x^{2} +y^{2}+ 6x-6y+14=0$

To Find:

Center C( -g , -f ) = ?

radius = r =?

Solution:

General Equation of a Circle is given as

$x^{2} +y^{2}+ 2gx+2fy+c=0$

On Comparing the Given equation with the General equation we get the following values,

$2g=6\ and\ 2f=-6\ and\ c=14\\\therefore g=\frac{6}{2}=3\\ \\\therefore f=\frac{-6}{2}=-3\\$

Now, Center and Radius for above circle is given as

$C(-g,-f)=(-3,-(-3))=(-3,3)\\and\\radius = r=\sqrt{(g^{2}+f^{2}-c )} = \sqrt{(3^{2}+(-3)^{2}-14)}\\\\\therefore radius = r=\sqrt{(18-14)} \\\\\therefore radius = r=\sqrt{4}=2\ unit\\$

Therefore,

$Center\ is\ C(-3,3)\\and\\Radius= 2\ units$

6 0

4 years ago

Listed below are the top 10 annual salaries of tv personalities. Find the range , variance and standard deviations for the sampl

irinina [24]

range is 31.5, variance is 161.3 and standard deviation is 12.7 for a sample of top 10 annual TV personalities.

Step-by-step explanation:

Average is mid-point is the mid-point of the data but can skew....
On the Left or Right is there are higher or lower values.
Range is difference between maximum and minimum value of data.
Variance, measure of variability of data but squared or mean deviation.
Standard deviation is the most important variability.
It helps in finding out variability with 3 sigma deviations.
Standard deviation is square root of variance and each sigma explains...
The data lieing between or within the extreme values.

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3 years ago

Zelina scored 10% higher on her second quiz than on her first quiz. On her third quiz, Zelina scored 20% higher than on her seco

pishuonlain [190]

Answer:

30%

Step-by-step explanation:

you just add 10% and 20%

Hope it helps c:

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3 years ago

Ann's car can go 238 miles on 7 gallons of gas. During a drive last weekend, Ann used 4 gallons of gas. How far did she drive? E

Andru [333]

Answer:

its c 320+56

Step-by-step explanation:

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3 years ago