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1. ### yohan is blowing up a spherical balloon. he blows 108pi cubic centimeters of air with every breath. it takes him 72 breaths to fully inflate?

Total volume of gas is 72 breaths x 108 x pi cc/breath = 7776 x pi cc Assuming the balloon is spherical,  V = 4/3 x pi x r ^3 = 7776 x pi cc r ^3 = 7776 x 3/4 cc r = 18 cm

2 Answers · Science & Mathematics · 12/08/2020

2. ### SAT Math 2 subject test question?

... Let Δ ABC, sin( θ/2) = BC/AC = (d/2)/ R ⇒ d = 2Rsin( θ/2)     d= 2 x 5 x sin(106 ° /2) =10 sin 53 °     d...

1 Answers · Science & Mathematics · 12/08/2020

3. ### Calculus 1 related rates paper cup/cone?

r = 3 when h = 9 r = 0 when h = 0 h = 3r r = (h/3) V = (pi/3) * r ^2 * h V = (pi/3) * (1/3)^2 * h^2 * h V = (pi/27) * h^3 dV/dt = (pi/9) * h^2 * dh/dt h = 2 dV/dt = 3 dh/dt = ? 3 = (pi/9) * 2^2 * dh/dt 27 / (4 * pi) = dh/dt

1 Answers · Science & Mathematics · 12/08/2020

4. ### New Nintendo switch lite console just recently started asking to press L and R when ever I open animal crossing new horizons only that game?

...disconnect while in handheld mode which is why you get the Press L and R prompt because the joycons are registering that they've...

1 Answers · Games & Recreation · 12/08/2020

5. ### How good are the Lord of the rings books in your honest opinion?

... is not to say that Tolkien invented the genre (E R Edison and Lord Dunsany were two of his...

5 Answers · Arts & Humanities · 12/08/2020

6. ### Who is Q and who is R ?

If you say their names, the portal to Hades opens.

2 Answers · Politics & Government · 12/08/2020

7. ### In the figure above, ab and cd are diameters of the circle whose center is O. if the radius of the circle is 2 inches and the sum of the len?

... that, we can determine the circumference of the complete circle: C = 2π r C = 2π(2) C = 4π in Now we can set up a ratio of circumference...

3 Answers · Science & Mathematics · 11/08/2020

8. ### concentric circles mathematics problem?

Centre is at R and Q is on circumference then RQ is a radius, of length 9 - 4 = 5

2 Answers · Science & Mathematics · 11/08/2020

9. ### Did the Statues of R E Lee refused works to Blacks, moved jobs out of Black neighborhoods & created Hip-Hop culture for Blacks: then who did?

The doctor told me he was going to put me on a ventilator so I could breathe.  I said "Does the ventilator make coffee?'  He laughed.  "Of course not!"  And I said "...

1 Answers · Politics & Government · 12/08/2020

10. ### a central angle in a circle has a measure of 34.4 and the measure of the area of its sector is 139.6 square units. what is the radius?

...6 = 34.4/360 * πr² r² = 139.6 * 360/(34.4π) r² ≈ 465.03 r ≈ √465.03 r ≈ 21.6 units

4 Answers · Science & Mathematics · 11/08/2020