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aleksandrvk [35]
3 years ago
11

Find the least common multiple of two two-digit numbers. SHOW WORK

Mathematics
1 answer:
kenny6666 [7]3 years ago
5 0

Answer:

The LCM of 20 and 30 is 60.

Step-by-step explanation:

LCM means the least common multiple.

The LCM of two numbers means the least multiple both numbers share.

Use the listing method:

Multiples of 20:

20, 40, 60, 80, 100, ......

Multiples of 30:

30, 60, 90, 120, 150, ...

The LCM is 60 because that is the least common multiple 20 and 30 have.

Hope this helps

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A random sample of n 5 4 individuals is selected from a population with m 5 35, and a treatment is administered to each individu
Firdavs [7]

Answer:

5.1

Step-by-step explanation:

Given that:

sample size n = 4

the mean of the original population  μ is = 35

and the mean for the sample after treatment M is = 40.1

standard deviation of the sample SS = 48

The difference between the mean for the treated sample and the mean for the original population is therefore calculated as: M -  μ

= 40.1 - 35

= 5.1

The standard error of M is = \dfrac{standard \ deviation \ of \ the \ sample}{\sqrt{sample \ size} }

The standard error of M is = \dfrac{SS}{\sqrt{n} }

The standard error of M is = \dfrac{48}{\sqrt{4} }

The standard error of M is = \dfrac{48}{2 }

The standard error of M is = 24

4 0
3 years ago
Kimberly went to a new animated monster movie yesterday afternoon. When she went into
Greeley [361]
<h3>Answer:  -14 degrees Fahrenheit</h3>

Explanation:

Draw a vertical number line. At the center is 0. Anything above this marker represents positive temperatures. Anything below 0 is negative. So we'll have -8 below 0. Move 6 spaces down to go from -8 to -14. You can think of it as moving 6 floors down a building to go from basement level 8 to basement level 14.

3 0
3 years ago
What’s the range of the function on the graph?
sertanlavr [38]
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3 years ago
the average annual income, /, in dollars, of a lawyer with an age of x years is modeled with with the following function: I=-425
krek1111 [17]

Answer:

26 years of age.

Step-by-step explanation:

The average annual income, I, in dollars, of a lawyer with an age of x years is modeled with with the following function:

I = - 425x² + 45500x - 650000 .......... (1)

If the average annual income of the lawyer at the age of x years is $250000, then from the equation (1) we can write

- 425x² + 45500x - 650000 = 250000

⇒ - 425x² + 45500x - 900000 = 0

⇒ - 17x² + 1820x - 36000 = 0

Now, using the quadratic formula,

x = \frac{- 1820 \pm \sqrt{(1820)^{2} - 4(-17)(- 36000) } }{2(- 17)} = \frac{-1820 + 929.73}{- 34} = 26 years (Approximate)

{We have neglected the other root as we need the youngest age}(Answer)

4 0
4 years ago
Please help with these six questions! If you can, please answer them all in one comment. Thank you! :) 1. What is the value of t
katrin [286]
#1 is (-12/5).
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3 years ago
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