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natima [27]
3 years ago
15

An African elephant weighed 209 lbs when it was born. Baby elephants gain an average of 38 lbs per week.

Mathematics
1 answer:
nirvana33 [79]3 years ago
4 0
Let the number of weeks be x
38x + 209 = 1197
Subtract 209 on both sides
38x = 1197
Divide 38 on both sides
x = 31.5 weeks
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A product is now £50, the product was reduced by 20%, what was the original price
olga nikolaevna [1]

the original price is "x", or 100%.

but we know that if we reduce "x" by 20%, namely 100% - 20% = 80%, the 80% of "x" is really £50, what is "x" or the 100% anyway?

\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} x&100\\ 50&80 \end{array}\implies \cfrac{x}{50}=\cfrac{100}{80}\implies \cfrac{x}{50}=\cfrac{5}{4}\implies 4x=250 \\\\\\ x=\cfrac{250}{4}\implies x=62.5

3 0
3 years ago
Which measures of central tendency would be affected if the outlier 11 was added to the following set 27,20,34,37,21,42,39
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Median will not be affected by the outlier.

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Hope this helps!

5 0
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7 0
1 year ago
Where is the axis on a quadrant
dezoksy [38]

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8 0
3 years ago
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Hitman42 [59]

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Step-by-step explanation:

Amy has 42 inches piece of wood.

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After cutting pieces of inch each she counts the pieces to be 42.

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42 inches/ 1 inch= 42 pieces.

She has 42 pieces of wood each of 1 inch of length.

6 0
3 years ago
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