3 years ago

Choose the graph of the linear equation, 30x + 75y = 300?

Mathematics

2 answers:

Aleksandr-060686 [28]3 years ago

4 0

Answer:

Step-by-step explanation:

Tcecarenko [31]3 years ago

3 0

Answer:

its c

Step-by-step explanation:

i just did it

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Answer:

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Step-by-step explanation:

Let the amount he needs to sell this month = x

$Average = \frac{sum\ of\ individual\ data\ }{number\ of\ entries}$

$Average= \frac{90\ +\ 45\ +\ 103\ +\ 68\ +\ x}{5}$

Note that number of entries = number of months = 5

To maintain an average sales of 77, the amount of sale in month 5 is determined as follows:

$77 = \frac{306\ +\ x}{5} \\cross-multiplying\\77\ \times\ 5\ = 306\ +\ x\\385 = 306\ +\ x\\x =385\ -\ 306\\x = 79$

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