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3 years ago

1. What is the range of the following data set? 13, 17, 18, 15, 12, 21, 10

Mathematics

2 answers:

dem82 [27]3 years ago

6 0

The answer would be 11

slamgirl [31]3 years ago

3 0

Answer:

Step-by-step explanation:

The range of a data set is the difference between the largest number and the smallest number in the set. First put the numbers in order from smallest to largest then take the last number minus the first number.

10,12,13,15,17,18, 21. 21-10=11

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3 years ago

3/5 +9/10= Please answer<br>

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Answer:

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Step-by-step explanation:

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4 0

3 years ago

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Zarrin [17]

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2 years ago

Ella has 0.5 lbs of sugar. How much water should she add to make the following concentrations? Tell Ella how much syrup she will

HACTEHA [7]

Ella has to add 32.833 lbs of water to get 33.333 lbs of syrup.

<u>Solution:</u>

Ella has 0.5 lbs of sugar. Let x lbs be the amount of water Ella should add to get the 1.5% of syrup,

$\Rightarrow0.5\text{ lbs }- 1.5\%$

$\Rightarrow x+0.5\text{ lbs }- 100\%$

On writing the proportion,

$\Rightarrow\dfrac{0.5}{x+0.5}=\dfrac{1.5}{100}\\ \\\Rightarrow0.5\cdot 100=(x+0.5)\cdot 1.5\\ \\\Rightarrow50=1.5x+0.75\\ \\\Rightarrow1.5x=50-0.75\\ \\\Rightarrow1.5x=49.25\\ \\\Rightarrow x=\dfrac{49.25}{1.5}\approx 32.833\ lbs$

To get 1.5% syrup Ella should add 32.833 lbs of water. The total weight of syrup is 33.333 lbs.

7 0

3 years ago