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2 years ago

150=3/5x what does x equal?

Mathematics

2 answers:

svetlana [45]2 years ago

7 0

Answer:

250

Step-by-step explanation:

150/3=50

50*2=100

150+100=250

RSB [31]2 years ago

7 0

Answer: x=250

Step-by-step explanation:

In 150=3/5x, we want to find x, so we have to figure out a way to get x on one side of the equation by itself.

So to get x by itself, we need to divide both sides by 3/5, which is the same as multiplying by 5/3

150*5/3=3/5*5/3x

Which now gives you,

250=x

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For a population with = 100 and = 20, what is the x value corresponding to z = 1.50?

mafiozo [28]

For a population with mean (μ) = 100 and standard deviation (σ) = 20, the X value corresponding to z = 1.50 is 130.

<h3>What is a z-score?</h3>

A z-score is also referred to as a standard score and it's a measure of the distance between a raw score and the mean, when standard deviation units are used.

<h3>How to determine the value of x?</h3>

In Statistics, the standardized z-score is giving by this formula:

$Z=\frac{\bar{x}\;-\;\mu}{ \sigma }$

Making x the subject of formula, we have:

x = Zσ + μ

Substituting the given parameters into the formula, we have;

x = 1.50(20) + 100

x = 30 + 100

x = 130.

Read more on z-scores here: brainly.com/question/4302527

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Complete Question:

For a population with μ= 100 and σ = 20, what is the X value corresponding to z = 1.50?

101.5

115

130

6 0

1 year ago

Kenyon ran for 8 miles each week while training. Here is his record of the number of miles he ran.

diamong [38]

Step-by-step explanation:

Let x be the miles Kenyon ran on tuesday

Let y be the miles Kenyon ran on thursday

Given,

Mon + Tues + Wed + Thu = 8mi

$1.2 + x + 1.6 + y = 8 \\ 2.8 + x + y = 8 \\ x + y = 8 - 2.8 \\ x + y = 5.2$

also given,

$y = x + 0.4 \\ - x + y = 0.4$

Now we have x + y = 5.2 as equation 1 and -x + y = 0.4 as equation 2

Using equation 1,

$x + y = 5.2 \\ x = 5.2 - y$

Substitute this equation into equation 2.

$- (5.2 - y) + y = 0.4 \\ - 5.2 + y + y = 0.4 \\ - 5.2 + 2y = 0.4 \\ 2y = 0.4 + 5.2 \\ 2y = 5.6 \\ y = 5.6 \div 2 \\ = 2.8mi$

Substitute y = 2.8 into equation 1.

$x + 2.8 = 5.2 \\ x = 5.2 - 2.8 \\ = 2.4mi$

Therefore Kenyon ran 2.4 miles on tuesday, and ran 2.8 miles on thursday.

8 0

1 year ago

Write an expression for the verbal phrase: Seven less than m

Nataliya [291]

Answer:

m-7

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

Solve the systems of equation by graphing (Picture provided)

11Alexandr11 [23.1K]

Answer:

Option b

Step-by-step explanation:

The following system of linear equations is shown

$x + y = 8\\2x + y = 3$

These are two different slope lines.

We find the cut points of both lines with the axes.

$x + y = 8$

Cut with the x axis. (y = 0)

$x = 8$

Cut with the y axis. (x = 0)

$y = 8$

...................................................................

$2x + y = 3$

Cut with the x axis. (y = 0)

$2x = 3\\x = 1.5$

Cut with the y axis. (x = 0)

$y = 3$

The solution to this system will be a point for which it is fulfilled that:

$x + y - 8 = 2x + y-3$

In the image, different graphs with intersections are shown.

Locate among the options, one that shows the two lines of the system of equations according to their intersections with the x and y axes.

Option b is the only one that shows the graph of the lines

$x + y = 8\\2x + y = 3$

Then, The point of intersection of both lines in the graph is:

(-5, 13)

Therefore the solution of the system of equations is: (-5, 13)

You can verify this by replacing the point in the relationship

$x + y - 8 = 2x + y-3\\\\(-5) +13 -8 = 2 (-5) +13 -3\\\\0 = 0$

Equality is satisfied

Finally the answer is the option b

8 0

2 years ago

The distance between Cincinnati and Charlotte is 336 miles. The distance between Cincinnati and Chicago is 247 miles. If Perry d

MAXImum [283]

Answer: 583 miles

Step-by-step explanation

To go from Charlotte to Chicago through the way of Cincinnati would just be the sum of both distances.

7 0

2 years ago