Answers edited by NickTheTurtle

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• Predict why the refractive index of air is slightly higher than the refractive index of a vacuum?
  
• Question #e6265
  
• How do you solve #x^2<=4x-2# using a sign chart?
  
• Question #c5fcd
  
• What is #f(x) = int xe^(x^2-1)-x^2e^x dx# if #f(2) = 7 #?
  
• Find all functions #f: Z -> Z# such that #f(a + b) = f(a) f(b) + f(b)# for all #a,b#, and #f(1) = k-1#, where #k# is some integer greater than #1#?
  
• If Earth's atmosphere were frozen into a solid sphere, what would be its diameter?
  
• If tanh(x) = 4/5, how do you find the values of the other hyperbolic functions at x?
  
• How to integrate #int1/(sinx+tanx)dx#?
  
• When are verb agreements, and why are they important?
  
• Calculate the area of ​​the shaded and bounded region by the equation #y= 10/(x^2-10x+29# curve and the line #x=3# (see graphic). ?
  
• Why is antithesis persuasive?
  
• Question #e0971
  
• How do you find Tan 22.5 using the half angle formula?
  
• Kindly answer this question ?
  
• How do you use #csctheta=5# to find #tantheta#?
  
• Calculate Cn and Sn?
  
• If #x# and #y# are positive numbers, what is the minimum possible value of #(x+y)(1/x + 1/y)# ?
  
• Question #1a1c4
  
• How do you find the GCF of #8a^2# and 11?
  
• Question #cf9b1
  
• How do you solve #9r^2-3=-152#?
  
• How do you solve the inequality #abs(1/3x+4)>1#?
  
• How do you find #\int e ^ { 2x } \sqrt { 1+ e ^ { 2x } } d x#?
  
• How do you evaluate sine, cosine, tangent of #-pi/6# without using a calculator?
  
• T is the set of real numbers of the form a+b√2, where a,b € Q and a,b are not simultaneously zero. Show that (T,•) is a group where "•" is an ordinary multiplication?
  
• How do you find the range of #y = 1 + (x/(x^2+1))#?
  
• Question #732f4
  
• Is the series convergent or divergent?
  
• Question #273c3
  
• How do you simplify #root3(4/9)#?
  
• How can we prove using mathematical induction that #n^2+n+1# is a prime number if n is a natural number and a prime number itself?
  
• Question #9a98d
  
• What is #sum_(n=1)^oo 1/n^2# ?
  
• Kindly answer this question?
  
• Question #448ec
  
• Question #ff6b6
  
• How do you find all solutions of #2cos^2x-sinx-1=0#?
  
• Number is 5 less than 9 times the sum of the digits. How do you find the number?
  
• Evaluate # int cos(x^2) dx # using a power series?
  
• Question #110e4
  
• Evaluate. 5!4! = [?]
  
• Question #30c20
  
• What is the probability that Shironda rolls a 5 on the number cube and then chooses a 5 from the deck?
  
• How many diagonals does a twenty sided polygon have?
  
• Question #3493c
  
• When a ball at rest is dropped, can it rebound to a greater height than its original height?
  
• How do you solve the system by graphing #y = x# and #y = 5x#?
  
• Solve #x^sqrtx = 16# ?
  
• What is the solution of the following?: #x + y < 3, x – y < 4#
  
• What is the the value of #sqrt(6+sqrt(20))#?
  
• What will cause the gas pressure inside a container to decrease?
  
• Question #2b845
  
• If f(a + b) = f(a) + f(b) - 2f(ab) for all nonnegative integers a and b, and f(1) = 1, compute f(1986). ???????
  
• Why does calcium have a higher melting point than potassium?
  
• How do you integrate #(x^3)(e^(x^2))dx#?
  
• How do you integrate #(2x+1 )/ ((x-2)(x^2+4))# using partial fractions?
  
• Question #e2f56
  
• What is #\int e ^ { x } \sin x d x#?
  
• Question #3719b
  
• Question #4cf36
  
• How do you solve #\sin 4\theta = \frac { \sqrt { 3} } { 2}#?
  
• Question #db9bf
  
• How do you complete this equation: #x^2 + __x + 25 = (x+5)(x+ __ )#?
  
• What is the derivative of this function #y=sin^-1(x/3)#?
  
• Can you help me find the derivative of this? Please (#cot^-1#(#sqrtt#))
  
• How do you simplify #sqrt(108)# ?
  
• Find all the fourth roots of the complex number #-8+8i(sqrt 3)# ?
  
• Question #1188e
  
• Question #1188e
  
• Question #4df90
  
• Question #1fb34
  
• How do you simplify #\sum _ { k = 1} ^ { n } ( 3k ^ { 2} + 2k )#?
  
• How to graph #\sum_{n=0}^\oo 2x^n#?
  
• Does the series #sum_(n=1)^oo((2n)/(n!))# converge or diverge?
  
• Question #94672
  
• Question #a9b54
  
• Prove that gcd(n;n+k)=gcd(n;k) ?
  
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