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loris [4]
3 years ago
8

Last year a website had 40,000 visitors and this year it had 37,000 visitors.What is the percent change in the number of visitor

s to the website from last year to this year
Mathematics
1 answer:
Zarrin [17]3 years ago
4 0

Answer:

Step-by-step explanation:

The percent change formula is

original number - new number all divided by the original number times 100.  For us that looks like this:

\frac{40000-37000}{40000}*100 which simplifies to

\frac{3000}{40000}*100 which is a 7.5% decrease.

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How do you solve this step by step
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Work shown above! x = 7
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3 0
3 years ago
Does anyone know the answer to this!?
PolarNik [594]

Answer:

|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|

Step-by-step explanation:

You can use these Cramer's formulas to solve for x and y:

x=\dfrac{|A_x|}{|A|},\\ \\y=\dfrac{|A_y|}{|A|},

where

|A|=\left|\begin{array}{cc}12&-13\\ \\17&-22\end{array}\right|\\ \\ \\|A_x|=\left|\begin{array}{cc}7&-13\\ \\-51&-22\end{array}\right|\\ \\ \\|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|

So,

|A_y|=\left|\begin{array}{cc}12&7\\ \\17&-51\end{array}\right|

4 0
3 years ago
Five cards are selected without replacement from a pack of 52 playing cards. What is the probability of exactly 3 hearts?
irga5000 [103]
There are 13 total hearts in the deck, which leaves 39 non-hearts. You're drawing a hand of five cards, so the probability of getting exactly 3 hearts is

\dfrac{\binom{13}3\binom{39}2}{\binom{52}5}=\dfrac{2717}{33320}

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Step-by-step explanation:

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