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3 years ago

If a data set has 20 data values, the number of values in the upper quartile is ?

Mathematics

1 answer:

8090 [49]3 years ago

7 0

Answer:

the answer is 5.5

explanation:

just did the test

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If the radius of a cylinder is 3 centimeters, then will the area of one of the circular bases is 18.84 square centimeters

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NO, the area would be 28.26.

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2 years ago

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The function d(t) =300,000t represents the distance (in kilometers) that light travels in t seconds

3241004551 [841]

We were given the distance, d as a function of time, t.

$d(t)=300,000t$ .

To find $d(15)$ , we put $t=15$ , in to

$d(t)=300,000t$

This implies that,

$d(15)=300,000(15)$

$d(15)=4,500,000$

This means that in 15 seconds light covers a distance of 4,500,000 kilometers

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2 years ago

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-3/4(4f - 2g) <br> Please answer as soon as you can!

torisob [31]

Answer:−

Step-by-step explanation:−

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Simplify

Combine multiplied terms into a single fraction

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Distribute

Solution

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3 years ago

256 people said they liked the movie. If 1/2 of the people liked the movie, how many people watched the movie? Can I get help pl

Novosadov [1.4K]

answer 128 people 256×1/2

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2 years ago

The temperature fell from 0 Degrees Fahrenheit to 15 and one-half Degrees Fahrenheit below 0 in 5 and three-fourths hours. Wen t

Kryger [21]

Answer:

The correct answer will be:

$-\dfrac{62}{23}$

Step-by-step explanation:

It is given that :

Initial temperature, $T_1 = 0^\circ F$

Final temperature,

$T_2 = -15\dfrac{1}{2}^\circ F\\\Rightarrow T_2 = -\dfrac{15\times 2+1}{2} ^\circ F\\\Rightarrow T_2 = -\dfrac{31}{2} ^\circ F$

Time taken :

$5\dfrac{3}{4}\ hrs = \dfrac{5 \times 4+3}{4}\ hrs = \dfrac{23}{4}\ hrs$

Change in temperature per hour:

$\dfrac{\text{Difference of temperature}}{\text{Total Time Taken}}\\\Rightarrow \dfrac{T_2-T_1}{\text{Total Time Taken}}$

Putting the values of temperatures and time:

$\dfrac{\dfrac{-31}{2}-0}{\dfrac{23}{4}}\\\Rightarrow \dfrac{\dfrac{-31}{2}}{\dfrac{23}{4}}\\\Rightarrow \dfrac{-31 \times 4}{2 \times 23}} \text{---- Error done by Wen at this step}\\\Rightarrow \dfrac{-31 \times 2}{23}}\\\Rightarrow \dfrac{-62}{23}}$

The error done by Wen was during calculating the values of fraction.

So, the correct answer is : $\frac{-62}{23}}$ instead of $\frac{-713}{8}$

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3 years ago

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