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Maurinko [17]
2 years ago
6

Help help math math

Mathematics
1 answer:
Anni [7]2 years ago
6 0

Answer:

C=31.41592654

Step-by-step explanation:

C=2πr

r=5

C=2π(5)

Therefore C= 10π or C=31.41592654

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A school buys 200 calculators at a special price. x of them were scientific calculators at R89 a piece and the rest were financi
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Let the number of financial calculators purchased = "y"

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200 - x = total number of financial calculators purchased

Hope I helped!! xx
5 0
3 years ago
Read 2 more answers
Write an equation that represents the line.<br> Use exact numbers.<br> ting sio
lara31 [8.8K]

Answer:

y = 3/4x + 2

Step-by-step explanation:

By looking at the graph, we can easily see that the y-intercept (where the line passes through y) is 2. In the equation y = mx + b. B is the y-intercept. So at the moment, we have, y = mx + 2. Now to find the slope which will take place over "m" all we need is the rise over run. To get this we will look at the points provided, count up the amount to get to the next point above then count to left/right to the point. For this we count up 3 points and 4 points to the right. So we finally get y = 3/4x + 2.

(3/4 = 0.75 if decimal is needed)

8 0
2 years ago
A bus covers 270km distance in 6 hours.
pentagon [3]

Answer:

(i)= 45 KPH, (ii) = 251 miles

Step-by-step explanation:

'Per' essentially means divide. Thus, to find Kilometres per hour, divide 270 by 6= 45. The bus is travelling at 45 KPH.

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7 0
1 year ago
Opening day at the new york state fair in 2012 had an attendence of 46,753. Dicide which place value to round 46,753 to if you w
Nutka1998 [239]
Dik butter lol this is fun I am getting points for these answers
7 0
3 years ago
Please help !!
olga2289 [7]
If you have learned how to find the line of best fit manually, then you can do it that way. Perhaps you may want to just find a line that can connect at least two of the points and I believe that that line will be able to represent the other points because, in general, the points are pretty close to one another. 

If you don't want to do it manually and have a graphing calculator (which I recommend) then you can use that to find the line of best fit (and if you want then you can see how precise your points are with your r^2 value). Or there is a website (http://illuminations.nctm.org/Activity.aspx?id=4186), which you can use to help you to find the equation of that particular line. 

Once you have that done, then you can substitute 2009 for the x value in the equation and then see what y value the equation produces. That will then be your answer :) 
4 0
3 years ago
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