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ad-work [718]
3 years ago
15

Sammy Sales had the following receipts for his tree trimming business for the first six months of the year. What is the average

of his sales for this period? (Use a thousands comma where applicable.) Jan. Feb. Mar. Apr. May Jun. $1,205 $1,450 $1,530 $1,655 $1,610 $1,710
Mathematics
1 answer:
Nataly [62]3 years ago
6 0

average =  \frac{sum \:  \: of \:  \:all \:  \:  obeservations}{no. \:  \: of \: observaions}

=  \frac{1205 + 1450 + 1530 + 1655 + 1610 + 1710}{6}

=  \frac{9160}{6}

=  1526.66

___________________________________________

1526.66 is the average of his sales for this period.

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Which expression is equivalent to 4 over 9 (2n - 3)
AlexFokin [52]

Answer:

The result for this equation is \frac{8}{9}n - \frac{4}{3} .

Step-by-step explanation:

-Solve:

\frac{4}{9} (2n-3)

-Multiply 2n and -3 by \frac{4}{9} :

\frac{8}{9} + \frac{-12}{9}

-Reduce \frac{-12}{9} to the lowest term by extracting and canceling out 3:

\frac{8}{9}n - \frac{4}{3}

-So, the result is \frac{8}{9}n - \frac{4}{3} .

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Tell whether the rates form a proportion.
pav-90 [236]

Answer: no

Step-by-step explanation: the answer is no

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What is -9 in parenthesis to the 5th power divided by -9 in parenthesis to the 7th power?
zaharov [31]

Answer:

1/81

Step-by-step explanation:

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World Toys buys bicycles for $38 and sells them for $95. What is the percent of increase in the price
FromTheMoon [43]
% increase = (95-38)/38 * 100 = 150%
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Malik used these steps to solve the system of equations. 2 x 4 y = 20. 5 x minus 3 y = 11. Step 1 6 x 12 y = 60. 20 x minus 12 y
AlladinOne [14]

The "step 2" that Malik should take in order to solve the given system of equations is to add both equations.

Given to us

  • 2x + 4y = 20
  • 5x - 3y = 11

Step 1: Multiply the first equation with 3, while the second equation with 4,

6x + 12 y = 60

20x - 12 y = 44

Step 2: Add both the equations,

(6x + 12y) + (20x - 12y) = 60+44

Step 3: caluculate the value of x,

x = 4

Step 4: Substitute the value of x in equation 1,

2(4) + 4y = 20

8 + 4y = 20.

4y = 12

Y = 3

Step 5: The solution is (4, 3).

Hence, the "step 2" that Malik should take in order to solve the given system of equations is to add both equations.

Learn more about System of equations:

brainly.com/question/12895249

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