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miv72 [106K]
2 years ago
15

Please help me here!

Mathematics
1 answer:
aliya0001 [1]2 years ago
7 0

Answer:

4

Step-by-step explanation:

The ratio is 4:1, so every 1 tablespoon of sugar is equal to 4 tablespoons of cocoa.  Just multiply the number of spoons of sugar by 4.

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The average estimated hours a person in the United States spent playing video games per year from 2002 to 2012 were 71, 80, 82,
ozzi

Answer:

Population variance 579

Population standard deviation 24

Step-by-step explanation:

The average estimated hours a person in the United States spent playing video games per year from 2002 to 2012 were 71, 80, 82, 78, 80, 91, 107, 121, 125, 131, and 142.

The population variance is given by:

\sigma^2=\frac{\sum(x-\mu)^2}{n}

\mu=\frac{71+80+82+78+80+91+107+121+125+131+142}{11}

\mu=\frac{1108}{11}

This implies that:

\sigma^2=\frac{(71-\frac{1108}{11})^2+(80-\frac{1108}{11})^2+(82-\frac{1108}{11})^2+(78-\frac{1108}{11})^2+(80-\frac{1108}{11})^2+...+(142-\frac{1108}{11})^2}{11}

\sigma^2=\frac{70006}{121} =579 to the nearest whole number

The population standard deviation is

\sigma=\frac{\sqrt{70006} }{11}=24 to the nearest whole number.

3 0
3 years ago
Read 2 more answers
5 divided by 585 5 ÷ 585 answer
Galina-37 [17]
The answer is :
.0085470085
Hope This Helps!!
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8 0
2 years ago
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How do I graph in R for the following inequality?<br> -3 ≤ xV-6 &gt; x
dedylja [7]

Answer:

I don't know if this will help you or not and I'm sorry if it doesn't.

Have a great day! :)

(The graph is what I got when I graphed the equation.)

4 0
2 years ago
In which 4 sport do boys outnumber the girls
gregori [183]
Football,baseball,soccer,and and boxing
3 0
3 years ago
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Find the distance between the two numbers on a number line . -2.2,8.4
ValentinkaMS [17]

Answer:

10.6

Step-by-step explanation:

To find the difference between 2 numbers, subtract the bigger one from the smaller one. In this case, 8.4-(-2.2) = 8.4 + 2.2 = 10.6

6 0
2 years ago
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