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3 years ago

2 kilograms are equal to 4 pounds? True or false

2 answers:

7 0

In 1 kilogram, there are 2 pounds so therefore in 2 kilograms there are 4 pounds. therefore, the statement is true

let me know if you have any questions!!!!

Evgesh-ka [11]3 years ago

5 0

False
1 pound =..4535 kg

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An amoeba is 0.8 millimeter in length. At the science museum there is a scale model of the amoeba that is 160 millimeters in len

lisabon 2012 [21]

The scale factor is 200

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3 years ago

A sample of computer tablet batteries has a mean battery life of 28 months and standard deviation of 4 months. What is the lifes

Ulleksa [173]

Using the Empirical Rule, it is found that the lifespans, in months, are given by:

1. 24 and 32.

2. 20 and 36.

3. 16 and 40.

<h3>What is the Empirical Rule?</h3>

It states that, for a normally distributed random variable:

Approximately 68% of the measures are within 1 standard deviation of the mean.

Approximately 95% of the measures are within 2 standard deviations of the mean.

Approximately 99.7% of the measures are within 3 standard deviations of the mean.

Hence, considering the mean of 28 months and the standard deviation of 4 months, the life spans are given by:

1. 24 and 32.

2. 20 and 36.

3. 16 and 40.

More can be learned about the Empirical Rule at brainly.com/question/24537145

5 0

2 years ago

Lucas took his bike to a local park to ride on some bike trail.Trail A is 6 3/4 miles long.Trail B is 8 1/2 miles long. How many

Eddi Din [679]

Answer: Trial B is $1\dfrac{3}{4}$ miles longer then Trail A.

Step-by-step explanation:

Length of Trail A = $6\dfrac34$ miles

= $\dfrac{24+3}{4}$ miles = $\dfrac{27}{4}$ miles.

Length of Trail B = $8\dfrac12$ miles

= $\dfrac{16+1}{2}$ miles = $\dfrac{17}{2}$ miles.

Trial B is longer then Trail A by $\dfrac{17}{2}-\dfrac{27}{4}$ miles

$=\dfrac{17\times2}{2\times2}-\dfrac{27}{4}$ miles

$=\dfrac{34}{4}-\dfrac{27}{4}$ miles

$=\dfrac{7}{4}$ miles

$=1\dfrac{3}{4}$ miles

Hence, Trial B is $1\dfrac{3}{4}$ miles longer then Trail A.

4 0

3 years ago

The exam had 60 questions. Phelix got 85 •/• (percent) correct. How many questions did he answer correctly?

Natalija [7]

felix got 51 questions correct

8 0

3 years ago

If the value of a is negative in f(x)=ax^(2), what does the graph look like?

garik1379 [7]

Answer:

A. a parabola that opens down.

Step-by-step explanation:

First we can eliminate two answers, b and d, since parabalas that open left or right use the y variable.

Now the equation of a standard parabola is x². This means that there are no negative y values, and therefore it cannot open down, it is up.

With a NEGATIVE coefficient, the graph is flipped over the x axis, therefore making it open down.

Graphical proof is attached for further understanding, positive a is in red, negative a is in blue.

7 0

2 years ago

Read 2 more answers