18,31, 44..<br> Find the 84th term of the arithmetic sequence

What is the solution to 2(x - 3) = 2x + 5

laila [671]

Answer:

X cannot be decided

Step-by-step explanation:

According to the question,we will start solving the problem by dealing with the bracket first

So let's get to work

2(x-3)=2x+5

Bracket first

2x-6=2x+5

So let's collect like terms

2x-2x=5+6

0=11

Which means the that we can't get the value for x because x has already been eliminated

So to my own understanding there is no definite solution to get the real value of x

I hope you understand

8 0

3 years ago

The distribution of certain test scores is a nonstandard normal distribution with a mean of 50 and a standard deviation of 6. Wh

love history [14]

Answer:

Mean value is 0 and standard deviation is 1 after all test scores have been standardized by converting them to z-scores using z

Step-by-step explanation:

In a standard normal distribution (also called as <em>Gaussian distribution</em>) all values of the sample can be projected to a normal distribution with mean 0 and standard deviation 1 using their z-scores.

z-score of a value X can be calculated as follows:

z= $\frac{X-50}{6}$ where

50 is the <em>mean of the test scores</em>
6 is the <em>standard deviation of test scores</em>

6 0

4 years ago

Solve the system of inequalities x>17, x>12

Snezhnost [94]

Answer:

x is greater than 17

Step-by-step explanation:

x > 12

x > 17

x can be greater than 17

7 0

3 years ago

Solve for b.<br> -1lb + 7 = 40

MariettaO [177]

Answer:

b = -33/l

Step-by-step explanation:

-1lb + 7 = 40

-1lb = 33 (subtraction property of equality)

-1lb/l = 33/l (division property of equality)

-1b/-1 = -33/l (division property of equality)

b = -33/l (solved)

7 0

3 years ago

One more repair is needed to get the ferris wheel up and running! This one will require a cable to connect chair L to the ground

Elodia [21]

Answer:

Step-by-step explanation:

We know that the central angle of a circle is 360°.

In this case, we have the circle divided into 12 equal parts, so each angle would be also the 12th part of 360°.

$\theta = \frac{360\° }{12}= 30\°$

Each circular sector has an angle of 30°, and each arc is equal to 30°.

Now, notice that tha angle formed by the two blue cables is an external angle formed by two secants, that means we can use the following relation

$\alpha = \frac{1}{2}(60\° - 30\°)$

Where $\alpha$ is the angle formed by the two blue cables.

$\alpha = \frac{1}{2}(30\°)=15\°$

Therefore, the angle measures 15°.

4 0

3 years ago

18,31, 44.. Find the 84th term of the arithmetic sequence