Answers created by Sahar Mulla ❤

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• If#a+b+c=0#,show that,#(a+bomega+comega^2)^3+(a+bomega^2+comega)^3=27abc#?
  
• How do I prove this trigonometric identity?
  
• Sin420°+Cos390°-Cos(-300°)Sin(-330°) Solve And Answer Value?
  
• 1+sinx/1-sinx is equal to??
  
• Could somebody please help me solve this?
  
• Can someone explain pythagoras better than my teacher?
  
• How do you solve #2x+7y=5 and 6x+y+5#?
  
• How do you simplify #(sqrt7 + 5)( sqrt6 + 2)#?
  
• If #sinx=1/sqrt3#, can anyone find the exact value of #tan2x# please?
  
• How do you solve #Log(x+2)+log(x-1)=1#?
  
• How do you differentiate #f(x)=ln2x * sin3x# using the product rule?
  
• How many moles are in 37.9 g of NaHCO3?
  
• #int(e^(2x)+1)/(e^x-1)dx#=?
  
• Using the following information to help you answer parts (a) - (c): HNO3 + NaOH ---> NaNO3 + H2O ?
  
• How do you divide #\frac { x ^ { 2} + 3x + 2} { 3x ^ { 2} + x - 2} \div ( x + 2)#?
  
• The radius of a proton is about 1.2 dermis where one dermis is equal to 10^-15m.how many centimetres is the radius of the proton?
  
• How many molecules of Cl2 must react to produce 24.6g of AlCl3?
  
• Verify the identity of #sec^6X(secXtanX)-sec^4X(secXtanX)=sec^5Xtan^3X ?#
  
• Integrate e^xcosx dx by parts?
  
• Proove that: #int _a^b f (x)dx= int_a^b f (a+b-x)dx# ?
  
• Write half reactions for the following equation? : #Mg_((aq))^(+2) + Mn_((s)) -> Mg_((s)) + Mn_((aq))^(+4) #
  
• If f(x)=x^4+4, g(x)=x-1 and h(x)=x, then f(g(h(x)))=?
  
• Prove 1+cos x/1-cos x = 1+ 2cos x(1+cos x)/sinˆ2 Please and thank you! (?)
  
• Help me please?
  
• Integral of #[x/(x^2+4)^3]dx#=?
  
• If #y=(x^3)ln(x^3)# then #dy/dx=#?
  
• One fifth of x is 3 less than 7?
  
• What is #int_(0)^(1) (e^(2x) - e^(-2x)) / (e^(2x) + e^(-2x))dx #?
  
• How do you solve the equation: #(m-3)(m-4)=20#?
  
• What is the derivative of #y=3sin(x) - sin(3x)#?
  
• The force applied against an object moving horizontally on a linear path is described by #F(x)= 4x^2+x #. By how much does the object's kinetic energy change as the object moves from # x in [ 0, 4]#?
  
• How does one verify #(cos^2x-sin^2x)/(1-tan^2x)=cos^2x#?
  
• Prove this? #sinh(a+b)=sinhacoshb+sinhbcosha#
  
• How do you express cos(4θ) in terms of cos(2θ) using the double angle identity?
  
• Given that 4 NH3+5 O2 --> 4 NO + 6H2O, when 4.50 mol of H2O are formed, the amount of NO formed is?
  
• Dettol, an antiseptic liquid, is a strong germ killer that protests your family. A label on a 500 mL Dettol bottle, indicated Chloroxylenol is 4.8 g/100 mL. How many molecules of Chloroxylenol are in 25.5 cm3 of Dettol?
  
• How do you verify #sin(x + pi/6) - cos(x + pi/3) = sqrt3 sin x#?
  
• Prove the identity. tanx-cotx/tanx+cotx=sin^2x-cos^2x Have to show the statements and the rules?
  
• How do you balance the equation C4H10+O2 = CO2+H2O?
  
• Cos(x+pi/3)+cos(x-pi/3)=cosx Have the show the statement and the rules? Thanks again
  
• How do you express #f(theta)=-sin^2(theta)-2cos^2(theta)-5sin^4theta# in terms of non-exponential trigonometric functions?
  
• Integration of x/(2x+5)?
  
• Find integral of #(((x^2)+1).e^x)/(x+1)^2 # With respect to #x#?
  
• Differentiate #tan^-1((sinx-cosx)/(sinx+cosx))# with respect to #x/2#?
  
• How do you find the derivative of #2^x#?
  
• What is a equation that has a center at (-5,2) with a radius of 6?
  
• If the half life of a radioactive substance is 4 days. Calculate the time required to decrease the concentration of 1/8th of original??
  
• Prove the identity Tan^2x-sin^2x is same as (tan^2x)(sin^2x)?
  
• Prove/verify the identities: #tan(x+(3pi)/4) = (tanx-1)/(1+tanx)#?
  
• If f=x^3+y^3+z^3+3xy, then show that # x(partial f)/(partial x) + y (partial f)/(partial y) + z (partial f)/(partial z) = 3f#?
  
• #asqrt(a)+bsqrt(b)=183# and #asqrt(b)+bsqrt(a)=182# Find #9/5(a+b)# ?
  
• #asqrt(a)+bsqrt(b)=183# and #asqrt(b)+bsqrt(a)=182# Find #9/5(a+b)# ?
  
• How would you prove the following equation? #(secx)/(1-tanx) =(1)/(cosx-sinx)# Thank y'all for the help!
  
• If M and N are two events such thqt P(N)=3/5, P(N|M)=2/3 and P(M'UN')=19/25. (a) Find P(M) (b)P(M|N)?
  
• Logx/y-z=logy/z-x=logz/x-y find x^x.y^y.z^z=?
  
• If the length of the kitchen is 4 1/2 cm on the scale drawing, what is the actual length, in feet of the kitchen?
  
• #(x/(x-2))^2 + (x/(x+2))^2=?#
  
• Solve? 0.45x+0.65y=15.35 9x+13y=305
  
• Integrate 1÷(1 + cosec x ) ?
  
• How do I find #f'(x)# for #f(x)=5^x# ?
  
• Let f(x) = 2x − 5and g(x) = 5x − 2. what is (g ∘ f)(−6)?
  
• How to prove the identity ? #1- (tan^2x/(1+tan^2x)) = cos^2x#
  
• Integrate the following? #5x^2 e^(x^3) dx#
  
• Integrate ? #3sqrt(4x+3) dx #
  
• Integrate ? #(2x+1)e^(x^2+x) dx#
  
• Integrate ? 1/(x+1) dx
  
• How do you prove #(sinx - tanx)(cosx - cotx) = (sinx -1)(cosx -1)#?
  
• What does that heart shape left to the question mean?
  
• Awesome. Also need help on these two?
  
• Multiply (a+b)and (a-b)?
  
• P(A)=1/4 P(B)=3/5 P(B/A)=?
  
• Y=(1+x/1-x) ^2 ? find dy y=(1+x/1-x) ^2
  
• #((n+3)!)/((n-3)!)=?#
  
• How do you integrate #(sqrt x) * (cos sqrt x)# ?
  
• How do you solve #m^ { 2} + 15m - 16= 0#?
  
• For what values of #m# is line #y=mx# tangent to the hyperbola #x^2-y^2=1#?
  
• How do you solve #x^2 + 4x = 6# by completing the square?
  
• Which expression is equivalent to 2y + 4? a)4y +2 b)y - 2y c)2(2y + 2) d)2(y+2)
  
• [HARD] Can You Help me With A Riddle of a Trig Question?
  
• The 53-year-old father has a son of 17 years. a) After how many years will the father be three times older than his son? b) Before how many years was the father 10 times older than the son?
  
• Tanx/1-cotx+cotx/1-tanx=?
  
• If #6sinA + 8cosA# = 10 , how to prove that #TanA = 3/4# ?
  
• As you move from row ______ to row ______ in the periodic table, the atomic radius of the elements DECREASES.? A) 1 to 7 B) 1 to 18 C) 7 to 1 D) 18 to 1
  
• If sec(t) = 3, how do you find the exact value of #csc(90 - t )#?
  
• How do you simplify # (3times10^-4)+(3times10^7)#?
  
• How to find the product of #(sinA-cosA)*(sin^2A+sinA*cosA+cos^2A)# ?
  
• A square has one dimension increased by 4 feet and another dimension decreased by 2 feet. If the resulting rectangle has an area of 72 square feet, which of the following equations could be used to solve for the square's original side length, x?
  
• If x divided by is equal to 3. Find the value of 3x+2?
  
• P and Q are the roots of 3x*2-12x+6. Find 1/p*2 - 1/q*2 ?
  
• What is the integration of secx dx ?
  
• What is the Integration of dx ?
  
• What is #(9pi)/8 # radians in degrees?
  
• Sin^2(x).cos^2(x)=cos(x).sin^2(x)+cos(x).sin^4(x)?
  
• You have three $1 bills, four $5 bills, and two $10 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill at random. Find p ($5 then $10)?
  
• How do you find dy/dx by implicit differentiation of -x^3+xy+y^4=10?
  
• 10mm is how many m?
  
• How do you graph y=1/3x+3?
  
• The 4th and 8th term of an ap is in ratio 1:2.the tenth term is 30.find the common difference?
  
• How do you differentiate #g(x) = (e^(2x)-e^x) ( x-x^2)# using the product rule?
  
• What is the derivative of #f(x) = xcos(x^2)+x^2sin(x)#?
  
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