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1. ### Math circle geometry problem?

5.62 = 2 * pi * r * 105/360 2.81 = pi * r * 15 * 7 / (15 * 24) 2.81 = pi * r * 7/24 2.81 * 24 / (7 * pi) = r r = 3.0666883891764061269295774290978 3.07 cm

2 Answers · Science & Mathematics · 16/06/2019

2. ### Trig ratios help!?

... of Circle / 2*radius Circumference = 2π*r Given r = 1 for the unit circle Given Arc Length...

1 Answers · Science & Mathematics · 16/11/2019

3. ### Math Problem Help? Circle Geometry?

Circumference is 2 *Pi * r = 2 * 3.14 * .75 = 1.5 * 3.14 = 4.71 circle has 360 degrees so the path is 85/360 percent of the circumference 85 / 360 * 4.71 = 1.11

1 Answers · Science & Mathematics · 16/06/2019

4. ### Find the area of the sector in a circle with radius of 6 cm and a central angle of 90°??

Area A = π r² ......radius r = 6 cm ......A = π (6 cm)² ......A = 36π cm² There...

5 Answers · Science & Mathematics · 16/06/2019

5. ### Calculus- Economics?

...minus cost. So when at full capacity, the revenue and costs are: R() = 150 * 460 R() = 69000 C() = 72.5 * 150 C() = 10875 For...

3 Answers · Science & Mathematics · 25/06/2019

6. ### Calculate the enthalpy of reaction for the cracking of butene, as represented by the following equation?

pisgachemist is correct in that to actually calculate the enthalpy change for this reaction using enthalpies of formation, you do need to know specifically which isomer of butene you are beginning with. If you know that, his answer is absolutely correct. There...

2 Answers · Science & Mathematics · 05/06/2019

7. ### Math Homework Help Vectors Grade 12?

... on B = -3+4(4)=13 2/ Hint: The Vector R is twice as long as the vector S ---> |R| = 2|S| ...

1 Answers · Science & Mathematics · 22/07/2019

8. ### given the term of a geometric sequence t5=405, t7=1620 find s12?

...a(n) = ar^(n - 1) Where a is the first term and r is the common ratio. We don't know these yet but have two...can have two possible values for S(12) depending on if r = -2 or r = 2.

6 Answers · Science & Mathematics · 01/06/2019

9. ### I used to know a guy who told me he hated atheists - I thought that was an uncommon viewpoint. Thoughts?

Then you got to R & S and found out just how common that viewpoint was, right?

10 Answers · Society & Culture · 11/04/2019

10. ### Relations definition help - don't understand?

...1, then (1, 1) is a pair that obeys the relation so you put it in R. Since 1 divides 2, then (1, 2) is also such a pair. ...

2 Answers · Science & Mathematics · 03/07/2019