3 years ago

You have two spheres. Sphere a has radius ra and sphere b has radius rb = kra. What is b's volumevb intermsofva andk? Vb = va

1 answer:

5 0

$V_a=\dfrac{4}{3}\pi r_a^3\\\\V_b=\dfrac{4}{3}\pi r_b^3\\\\V_b=\dfrac{4}{3}\pi(kr_a)^3\qquad\text{substitute for $r_b$}\\\\V_b=k^3V_a$

You might be interested in

2. Find the value of x for which l | | m.

joja [24]

2x-5=95 due to the alternate interior angles thm so you just add 5 to 95 to get 2x=100 then divide by 2 to get x=50!

7 0

4 years ago

What is the vertical clearance 2 m from the edge of the tunnel?

raketka [301]

When x=0 y=50 when y=0 x=+\-5. -x^2 makes the parabola open downward y(x)=2x^2+50;y(3)=2*9+50=32

4 0

3 years ago

Find the value(s) of c guaranteed by the Mean Value Theorem for Integrals for the function over the given interval. (Round your

Keith_Richards [23]

Answer:

Step-by-step explanation:

f'(x)=-sin x

$f'(x)=\frac{cos \frac{\pi }{3} -cos (\frac{-\pi }{3}) }{\frac{\pi }{3} -(\frac{-\pi }{3}) } \\-sin x=\frac{\frac{1}{2} -\frac{1}{2} }{\frac{\pi }{3} +\frac{\pi }{3} } \\sin x=0\\at x=c ,sin c=0,c=0$

c=0∈(-π/3,π/3)

4 0

3 years ago

What does the x=?...

meriva

Answer:

Step-by-step explanation: x=1

3 0

3 years ago

If the cost of two tires is $130.56 ,how much will cost to buy ten tires?

Nuetrik [128]

Answer:

652.8

Step-by-step explanation:

2 = 1/5 of 10

so multiply 130.56 and 5 to get 652.8

3 0

3 years ago