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2 years ago

10

Concession stand sales for each game in season are $320, $540, $230, $450, $280, and $580. What is the mean sales per game? Expl

ain how you got your answer.

1 answer:

Alex_Xolod [135]2 years ago

4 0

Answer:

$400

Step-by-step explanation:

all you do is add 320+540+230+450+280+580/6 and the asnwe comes out to 400

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X^{2} +(3a+4b)x+(2a^{2} +5ab+3b^{2} )

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Answer:

∣x+a+b∣∣x+2a+3b∣

Step-by-step explanation:

∣x+a+b∣∣x+2a+3b∣

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2 years ago

Kelsha is putting money into a savings account. She starts with $750 in the savings account, and each week she adds $30. Let S r

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2 years ago

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Determine whether the underlined value is a parameter or a statistic. Upper A study of 6,076 adults in public rest rooms found t

alex41 [277]

Answer:

The value is a statistic because the 6,076 adults in public restrooms are a sample

Step-by-step explanation:

A measure that is calculated from a sample is known as sample statistic.

A study conducted and for the study 6076 adults are selected to inquire about the hand washing habit of adults. The selected 6076 adults are a sample and for this sample we computed the average 23% which demonstrates that 23% of adults did not wash their hands before exiting. So, a statistic is 23% and 6076 adults are a sample.

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3 years ago

For a 100 ponits : 13+(-19)=<br><br> ANSWER:

KATRIN_1 [288]

Answer: -6

Step-by-step explanation:

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2 years ago

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Solve the equation. Then check your solution.4- 3/5(3a+4)=7A. -7.4B. -6C. 3D. -3

Evgesh-ka [11]

Answer: a = -3

Explanations:

The given equation is:

$4\text{ - }\frac{3}{5}(3a+4)\text{ = 7}$

This can be re-written as:

$4-\frac{3(3a+4)}{5}=7$

Collect like terms:

$\begin{gathered} -\frac{3(3a+4)}{5}=\text{ 7 - 4} \\ -\frac{3(3a+4)}{5}=\text{ 3} \end{gathered}$

Cross multiply:

$\begin{gathered} -3(3a+4)\text{ = 3}\times5 \\ -3(3a+4)=\text{ 15} \\ \text{Expand the bracket} \\ -9a\text{ - 12 = 15} \\ \text{Collect like terms} \\ -9a\text{ = 15 + 12} \\ -9a\text{ = 27} \\ \text{Divide both sides by -9} \\ \frac{-9a}{-9}=\frac{27}{-9} \\ a\text{ = -3} \end{gathered}$

To verify if the solution is correct, substitute a = -3 into the question given. If the Right Hand Side equals the Left Hand Side, then the solution is correct.

$\begin{gathered} 4-\frac{3(3a+4)}{5}=\text{ 7} \\ \text{Substitute a = }-3 \\ 4\text{ - }\frac{3(3(-3)+4)}{5}\text{ = 7} \\ 4\text{ - }\frac{3(-9+4)}{5}\text{ = 7} \\ 4\text{ - }\frac{3(-5)}{5}\text{ = 7} \\ 4\text{ - }\frac{-15}{5}=\text{ 7} \\ 4-(-3)=7 \\ 4+3=7 \\ 7=7 \end{gathered}$

Since the Left Hand Side = Right Hand Side = 7, the solution a = -3 is correct

5 0

10 months ago