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3 years ago

I solve for y 1/2X - 3y = 12

Mathematics

2 answers:

Lena [83]3 years ago

5 0

Answer:

y=3.8333333333

or you could say y=3.83 repeated.

bixtya [17]3 years ago

3 0

Answer:

y = $\frac{x-24}{6}$

Step-by-step explanation:

Given

$\frac{1}{2}$ x - 3y = 12

Multiply through by 2 to clear the fraction

x - 6y = 24 ( subtract x from both sides )

- 6y = - x + 24 ( multiply through by - 1 )

6y = x - 24 ( divide both sides by 6 )

y = $\frac{x-24}{6}$

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Can someone help! I know the answer I just need step by step!

baherus [9]

Answer:

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Step-by-step explanation:

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2 years ago

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3 years ago

6. If you draw 35 lines on a piece of paper so that no two lines are parallel to each

umka2103 [35]

The point of intersection is the point where lines intersect.

There will be 595 intersections for 35 lines, where no 3 lines are concurrent.

Given

$n = 35$ --- the number of lines

$d = 3$ --- no three lines are concurrent

When no three line are concurrent, it means that no three lines meet at the same point.

So, the sequence of intersection is:

0 intersection for 1 line
1 intersection for 2 lines
3 intersections for 3 lines
6 intersections for 4 lines

Following the above sequence, the number of intersections for n lines is:

$n_k = \frac{n \times (n - 1)}{2}$

In this case, $n = 35.$

So, we have:

$n_k = \frac{35 \times (35 - 1)}{2}$

$n_k = \frac{35 \times 34}{2}$

$n_k = 35 \times 17$

$n_k = 595$

Hence, there will be 595 intersections for 35 lines, where no 3 lines are concurrent.

Read more about lines of intersections at:

brainly.com/question/22368617

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2 years ago

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S_A_V [24]

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3 years ago

Your boss tells you that she knows the length of the widgets your company makes is normally distributed with a mean of 25 inches

sp2606 [1]

Answer:

Mean of sampling distribution = 25 inches

Standard deviation of sampling distribution = 4 inches

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 25 inches

Standard Deviation, σ = 12 inches

Sample size, n = 9

We are given that the distribution of length of the widgets is a bell shaped distribution that is a normal distribution.

a) Mean of the sampling distribution

The best approximator for the mean of the sampling distribution is the population mean itself.

Thus, we can write:

$\bar{x} = \mu = 25\text{ inches}$

b) Standard deviation of the sampling distribution

$s = \dfrac{\sigma}{\sqrt{n}} = \dfrac{12}{\sqrt{9}} = 4\text{ inches}$

8 0

3 years ago

I solve for y 1/2X - 3y = 12​

I solve for y 1/2X - 3y = 12