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4 years ago

Given the formula K = LMN, what is the formula for M?

1 answer:

5 0

To start off devide both sides by M i.e
K/M=LMN/M
-> K/M=LN
Then devide by K to remove it on the left , this will end you up with M=LN/K
So the answer is (c).
Hope this helps :).

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The dot plot represents the length of practice time in minutes for the math competition. Explain how the outlier of the data aff

lidiya [134]

Using statistical concepts, it is found that:

The mean practice time decreases because of the outlier.

The median practice time does not change because of the outlier.

The range increases because of the oulier.

<h3>What are the mean, the median and the range of a data-set?</h3>

The mean is the sum of all observations divided by the number of observations.

The median is the middle value, the value that separates the upper 50% from the bottom 50%.

The range is the difference between the largest value and the smallest.

From their concepts above, we have that the mean and the range are influenced by outliers.

In this problem, the outlier is at the low end, of 15, hence:

The mean practice time decreases because of the outlier.

The median practice time does not change because of the outlier.

The range increases because of the oulier.

More can be learned about statistical concepts at brainly.com/question/24732674

#SPJ1

3 0

2 years ago

How to solve the equation 8x-5=19

tiny-mole [99]

8x-5=19

+5 on each side

8x=24

Divide by 8 on each side.

X=3

8 0

3 years ago

Read 2 more answers

in a given year, the rate of flu infection for the general public was 8.3%. And sample of 200 people who receive the flu vaccine

makkiz [27]

Answer:

$\fbox{\begin{minipage}{10em}Option A is correct\end{minipage}}$

Step-by-step explanation:

Step 1: Define significance level

In this hypothesis testing problem, significance levels α is selected: $0.05$ , the associated z-value from Laplace table:

Φ( $z$ ) = α - $0.5 = 0.05 - 0.5 = -0.45$

=> $z$ = $-1.645$

Step 2: Define null hypothesis ( $H_{0}$ ) and alternative hypothesis ( $H_{1}$ )

$H_{0}$ : rate of flu infection $p$ = 8.3% or 8.3/100 = 0.083

$H_{1}$ : rate of flu infection $p$ < 8.3% or 8.3/100 = 0.083

Step 3: Apply the formula to check test statistic:

$K = \frac{f - p}{\sqrt{p(1 - p)} } * \sqrt{n}$

with $f$ is actual sampling percent, $p$ is rate of flu infection of $H_{0}$ , $n$ is number of samples.

The null hypothesis will be rejected if $K < z$

Step 4: Calculate the value of K and compare with $z$

$K = \frac{(\frac{3.5}{100}) - 0.083}{\sqrt{0.083(1 - 0.083)} } * \sqrt{200} = -2.46$

We have $-2.46 < -1.645$

=>This is good evidence to reject null hypothesis.

=> The actual rate is lower. (As $H_{1}$ states)

Hope this helps!

5 0

3 years ago

PLS HELP!! ASAP!! What is the resulting ordered pair if the value of the independent variable is-2?

NARA [144]

Independent variable is - 2
so if x = -2 then
f(-2) = 2(-2)^3 + 3(-2)^2
f(-2) = -16 + 12
f(-2) = -4

Solution (-2,-4)

Answer
B. (-2,-4)

3 0

3 years ago

An animal shelter houses ferrets, rabbits, and dogs. There are 160 animals at the shelter. Of the animals,1/5 are ferry’s . 7/8

Alina [70]

Answer:

There are 32 ferrets, 112 rabbits and 16 dogs at the shelter.

Step-by-step explanation:

There are 160 animals at the shelter. You know that of this amount of animals, $\frac{1}{5}$ are ferrets. So, the number of ferrets can be calculated by:

$\frac{1}{5}*160$

To multiply a fraction by a whole number, any integer n can be written as the fraction $\frac{n}{1}$ . Then you multiply the numerators and denominators. In this case: