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sesenic [268]
3 years ago
12

An art collector bought 20 paintings at an art fair, and wants to know the average price of the paintings she purchased at the f

air. She adds the prices of all the paintings and divides this number by 20 to find an average price of $350. Is this price
a sample mean or a population mean, and which symbol would be used to denote it
Mathematics
1 answer:
klio [65]3 years ago
6 0

Answer:

population mean

Step-by-step explanation:

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X + 1/4x = 15. What is the solution to the equation?
Sauron [17]

Answer:

Step-by-step explanation:

hello :

X + 1/4x = 15

multiply by 4 : 4x+x = 60

5x=60

now divid by 5 you have : x=12

7 0
4 years ago
Am i correct for this because i need extra help
natta225 [31]
No, the correct answer is 23.75. Try plugging it into a calculator.
5 0
3 years ago
Read 2 more answers
WE has endpoints at<br>W(10, 2) and E(5, -3).<br>How long is WE?​
s2008m [1.1K]

Answer:

WE=5\sqrt{2}

Step-by-step explanation:

Distance between two points:

The distance between (x_1,y_1) and (x_2,y_2) is given by=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2

Hence distance between W(10,2) and E(5,-3)

WE=\sqrt{(5-10)^2+(-3-2)^2}=\sqrt{(-5)^2+(-5)^2}=\sqrt{25+25}\\\\WE=\sqrt{50}=5\sqrt{2}

8 0
3 years ago
Need helps with 45 , picture above
Iteru [2.4K]

Answer:

Ok:

Step-by-step explanation:

We know Josh buys 3 oranges for $2 and sells 2 oranges for $3. Let's take the LCM (least common multiple) of 2 and 3. It is 6. If he buys 6 oranges, he needs $4. When he sells 6 oranges he makes $9. That is a total profit of $5. In total that means, if we multiple by 10, that means that if he sells 60 oranges,  he would make $50. Thus C is the answer

8 0
3 years ago
PLEASE HELP GIVING BRAINEST The purpose of this excerpt is to help readers understand as
vova2212 [387]
What excerpt. I think you need to give more details
7 0
3 years ago
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