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Half life of potassium40,is approximately 1.25 billion years.what will be the fraction of radioactivity left after 5 billion years?

How do you find the limit of #(3x^2+6x)/(x^24)# as x approaches 2?

Find limit in graph??

How do you graph #y=x/3+1#?

How do you find the x and y intercepts for #y=3/5x9#?

What are the critical points of # f(x) = e^(x^(1/3))*sqrt(x+8)#?

How do you find the x and y intercepts for #2x+y=14#?

A 45kg boy is holding a 12kg pumpkin while standing on ice skates on a smooth frozen pond. The boy tosses the pumpkin with a horizontal speed of 2.8m/s to a 37kg girl (also wearing ice skates) catches it. What are the final speeds of the boy and girl?

How do you differentiate #3(x^22)^4#?

How do you solve for x in #sin2x+cosx=0#?

How do you solve the system #x + y = 2# and #2x + y = 1#?

How do you solve #4\cos x \cdot \cos 2x \cdot \cos 4x = \sin 8x#?

How do you solve #2sin^2x1=0#?

Sin^2(x)= 1/2 ? i need help solving this

Question #31fd3

How do you differentiate #g(x) = (1/x^3)*sqrt(xe^(2x))# using the product rule?

How do you find the exact value of #tan^1(1)#?

Question #a3f3d

How do you implicitly differentiate #y=xy+2sqrt(xy^3) #?

How do you find the exact value of #sin(1/2theta)=costheta# in the interval #0<=theta<360#?

Question #bd476