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xeze [42]
2 years ago
14

Determine the equation of the circle graphed below

Mathematics
1 answer:
nikdorinn [45]2 years ago
5 0
(x-0)^2+(y-4)^2=6^2
Hope this helps
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Mr. Webb gave his waiter a $8.60 tip on a $50 bill. What percent did he give the waiter?
Dominik [7]
<u>8.60</u> =  <u>  X  </u>
 50       100

"Percent" means "out of one hundred" (Latin).
Multiply the top by two, since 100 is twice 50, and the fractions will be equal.
The answer is 17.2%.
4 0
3 years ago
Read 2 more answers
Diane's Tree Trimming Service has trimmed hundreds of trees in the Greater Denver area. The time it takes to trim a tree is norm
kkurt [141]

Answer:P(28.5And we can find this probability with this difference:

P(-0.7

And in order to find these probabilities we use tables for the normal standard distribution, excel or a calculator.

P(-0.7

So then the best answer would be 21.82 %

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the time it takes to trim a tree of a population, and for this case we know the distribution for X is given by:

X \sim N(32,5)  

Where \mu=32 and \sigma=5

We are interested on this probability

P(28.5

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:P(28.5And we can find this probability with this difference:

P(-0.7

And in order to find these probabilities we use tables for the normal standard distribution, excel or a calculator.

P(-0.7

 So then the best answer would be 21.82 %

8 0
3 years ago
Find the measure of angle x in the figure below:
Pavlova-9 [17]
Since there should be 180 in a tringle the bottom triangle woul be 65 65 50. assuming that the lines / and \ are the same in both traingles that means that at intersection they create the same angles above=below and left=right meaning the answer to x is x=50 
3 0
3 years ago
Read 2 more answers
How many 5 cents can u get from $1.25?​
Zarrin [17]

Answer:

25

Step-by-step explanation:

5 cents = 0.05

1.25 / 0.05 = 25

let me know if i'm wrong

5 0
3 years ago
Read 2 more answers
(9x2 - 8x + 4) - (4x2 + 3x - 9) A. 13x2 - 11x + 5 B. 13x2 - 11x + 13 C. 5x2 - 5x + 13 D. 5x2 - 11x + 13
Troyanec [42]
The answer is d) 5x2-11x+13
4 0
3 years ago
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