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4 years ago

Transform the equation to isolate x: ax = bx + 1. How is

Mathematics

2 answers:

shepuryov [24]4 years ago

6 0

Answer:

$x=\frac{1}{a-b}$

The value of x is inversely proportional to the difference of a and b.

Step-by-step explanation:

The given expression is $ax-bx+1$

We factor the left hand side to get:

$(a-b)x=1$

We divide both sides by: a-b

$x=\frac{1}{a-b}$

Observe that the difference of a and b is in the denominator.

The whole is of the form: $x\propto \frac{1}{a-b}$

The value of x is inversely proportional to the difference of a and b.

andrey2020 [161]4 years ago

5 0

Answer:

Sample Response: The equation ax = bx + 1 is the same as x = 1/(a - b) when solved for x. This means that x is equal to the reciprocal of the difference of a and b.

this is correct on edge

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Determine mu Subscript x overbar and sigma Subscript x overbar from the given parameters of the population and the sample size.

pentagon [3]

Answer:

$\bar X= \mu = 25$

$\sigma_{\bar X}= \frac{7}{\sqrt{15}}= 1.807$

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Solution to the problem

Let X the random variable that represent the variable of interest of a population, and for this case we know the following conditions

Where $\mu=25$ and $\sigma=7$

And for this case we select a sample size of n= 15. and we want to know the distribution for the sample mean $\bar X$ . We can assume that the distribution for $\bar X$ is approximately normal and given by:

$\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})$

Asuming that the distribution for X is also approximately normal. So then the parameters are:

$\bar X= \mu = 25$

$\sigma_{\bar X}= \frac{7}{\sqrt{15}}= 1.807$

8 0

3 years ago

8 + 5x -3 -x Please can someone tell me the answer for this?

NNADVOKAT [17]

Answer:

the answer is 5+4× and ur welcome

5 0

3 years ago

Read 2 more answers

John ran the 100 m dash with a time of 9.88 sec . If this pace could be maintained for an entire 26 mi marathon , what would his

Zarrin [17]

Answer:

approximately 72.35 minutes

Step-by-step explanation:

there are 1609.344 meters in a mile

john ran 100 meter - which would be 16.09 per mile

9.88 seconds x 16.9 = 166.97 seconds per mile

166.97 seconds x 26 miles = 4341.22 seconds

4341.22 seconds / 60 = 72.35 minutes

8 0

3 years ago

A box contains 16 red marbles, 25 green marbles, 4 yellow marbles and 10 blue marbles. A marble is chosen at random. What is the

kari74 [83]

Answer:

Step-by-step explanation:

4 0

3 years ago

Complex numbers are used in electronics to describe the current in an electric circuit. Ohm's law relates the current in a circu

Marina CMI [18]

Answer:

E = 3072i - 5904ohms

Step-by-step explanation:

From ohms law recalled that E = IR given already

E = voltage (volts)

I = Current (amps)

R = resistance (ohms)

Therefore, by substitution

I = 16i and R = (2+4)ohms(32+66i)

= 6(32+66i) ohms

= (192+396i)ohms

E = (16i)×(192+396i)

E = 3072i + 5904i²

Recall that i² = -1 from complex number

E = 3072i +5904(-1)

E = 3072i - 5904ohms

5 0

3 years ago