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3 years ago

How does 4/3y = 36??????????

Mathematics

2 answers:

omeli [17]3 years ago

6 0

Answer:

i think 27

Step-by-step explanation:

27 X 4/3y=36y

Charra [1.4K]3 years ago

3 0

Answer:

When you find the y value and multiply it by 4/3, it equals 36.

Step-by-step explanation:

$\frac{ \frac{4}{3}y }{ \frac{4}{3} } = \frac{ 36 }{ \frac{4}{3} } \\ y = 27$

$\frac{4}{3} (27) = 36 \\ 36 = 36$

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A. Student GPAs: Bob’s z-score z = + 1.71 μ = 2.98 σ = 0.36 b. Weekly work hours: Sarah’s z-score z = + 1.18 μ = 21.6 σ = 7.1 c.

hjlf

Answer:

a) $x = \mu +z*\sigma$

And replacing we got:

$x= 2.98 + 1.71*0.36 = 3.5956$

b) $x = \mu +z*\sigma$

And replacing we got:

$x= 21.6 + 1.18*7.1 = 29.978$

c) $x = \mu -z*\sigma$

And replacing we got:

$x= 150 - 1.35*40= 96$

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".

Part a

Let X the random variable of interest for this case. We define the z score with the following formula:

$z=\frac{x-\mu}{\sigma}$

And for this case we know that $z = 1.71, \mu = 2.98,\sigma = 0.36$

If we solve for x from the z score formula we got:

$x = \mu +z*\sigma$

And replacing we got:

$x= 2.98 + 1.71*0.36 = 3.5956$

Part b

Let X the random variable of interest for this case. We define the z score with the following formula:

$z=\frac{x-\mu}{\sigma}$

And for this case we know that $z = 1.18, \mu = 21.6,\sigma = 7.1$

If we solve for x from the z score formula we got:

$x = \mu +z*\sigma$

And replacing we got:

$x= 21.6 + 1.18*7.1 = 29.978$

Part c

Let X the random variable of interest for this case. We define the z score with the following formula:

$z=\frac{x-\mu}{\sigma}$

And for this case we know that $z = -1.35, \mu = 150,\sigma = 40$

If we solve for x from the z score formula we got:

$x = \mu -z*\sigma$

And replacing we got:

$x= 150 - 1.35*40= 96$

5 0

3 years ago

Sam bought a computer and printer for ₹ 1,15,499. The cost of the computer was ₹ 85,789. What was the cost of the printer?

Yuki888 [10]

Answer:

₹29,710

Step-by-step explanation:

We minus ₹ 85,789 from ₹ 1,15,499 to get ₹ 29,710

6 0

4 years ago

which of the following triangle classification is defined by an angle that is created by two perpendicular lines?

GenaCL600 [577]

Answer:

Right Triangle

Step-by-step explanation:

An angle created by two perpendicular lines is a right angle, and a triangle with a right angle is a right triangle.

5 0

3 years ago

6.41* 10^3 in standard form

REY [17]

6410 is the answer because you move the decimal place 3 times

6 0

3 years ago

12(r + t) - 6(r + t) + 4(r +t) - (r + t)

Kaylis [27]

Answer:

10r+10t

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Step-by-step explanation:

3 0

3 years ago

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