Answers edited by Sahar Mulla ❤

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• How do you find the foci and sketch the hyperbola #x^2-y^2=1#?
  
• What is the mass of 3 moles of #"C"_2"H"_2# ?
  
• Question #bc196
  
• What is the sum of #2 1/3, 3 5/6,# and #6 2/3#?
  
• How to solve this equation: secx - cosx = sinx? Thank you!
  
• C8H18+O2=CO2+H20?
  
• Question #25f62
  
• With #-2/3# times 12, is the answer positive or negative?
  
• Question #2518b
  
• A movie is 2 hours and 28 minutes long. It starts at 7:50 P M. At what time will the movie end?
  
• A convex hexagon has exterior angle measures, one at each vertex, of 30°, 2t–25°, 30°, 56°, 66°, and 3t–14°. What is the value of t?
  
• How do you integrate #int_0^1 1/(1+(x)^(1/2)) dx# ?
  
• How many atoms of each element are in the chemical formula #Ca(OH)_2#?
  
• Question #d9f0b
  
• Cot theta - tan theta/ cot theta + tan theta?
  
• How can I solve this?
  
• (sin 3x + sin x) / (cos 3x + cos x) = sqrt 3, sin x = ?
  
• Question #33c99
  
• How do you solve #8x + 11\geq 3#?
  
• What's the Lowest Common Multiple (LCM) of 7 and 8?
  
• The radius and the height of a right circular cone are in the ratio 5:12 and its volume is 2512 cubic cm. Find the radius and slant height of the cone . (Take pi = 3.14)?
  
• 2x+1,x^2+x+1,3x^2-3x+3 are in A•P• then , find the value of X?
  
• What are interstitial compounds?
  
• Which of the following is equivalent to V = IR?
  
• If -6b+2a-25 = 5 and a/b + 6 = 4, what is the value of (b/a)square?
  
• What is the answer for sin theta cos theta?
  
• What is the three numbers in an arithmetic progression whose sum is 6 and product is -64?
  
• What is the answer for sin theta cos theta?
  
• Question #8583b
  
• Show that cos²π/10+cos²4π/10+cos² 6π/10+cos²9π/10=2. I am a bit confused if I make Cos²4π/10=cos²(π-6π/10) & cos²9π/10=cos²(π-π/10), it will turn negative as cos(180°-theta)=-costheta in the second quadrant. How do I go about proving the question?
  
• How do i find the tenth term if the first term is 12 and common difference is 3?
  
• How do you solve #\frac { 1} { 12} ( 48+ 24b) = 2( 17- 4b )#?
  
• Give value of n and l for 2s orbital ?
  
• Find the function values of cos θ, tan θ, sec θ, csc θ and cot θ ?
  
• Question #e8251
  
• Question #34639
  
• Question #d0859
  
• Find ∂w/∂u?
  
• Question #dd576
  
• Question #43efd
  
• How do you use the binomial formula to expand #(x+1)^3#?
  
• Question #5de54
  
• Question #82a9e
  
• Question #8911b
  
• Question #14004
  
• Name a mammal which gives birth to poorly developed young ones?
  
• Question #aa0f1
  
• One of the sides of an equilateral triangle is 61. What is the height of the triangle?
  
• How do you solve #42- 3x = 12- 8x#?
  
• Prove that (tanA/(1-cotA))+(cotA/(1-tanA))=secA.cosecA+1?
  
• Which of the following is powered by energy from Earth's interior & is believed to be the reason that tropical fossils are found in Antarctica? A. Plate tectonics B. Solar energy C. Erosion D. Ocean tides
  
• How do you solve #4(x+2) = 4 +x +2#?
  
• 44.64 is %19.9 of x. what is the value of x?
  
• How do you divide #\frac { 6p ^ { 2} + p - 12} { 8p ^ { 2} + 18p + 9} \div \frac { 6p ^ { 2} - 11p + 4} { 2p ^ { 2} + 13p - 7}#?
  
• Determine The Value Of #a# So That When #P(x) = (a^2)(x^3)-3ax+1# Is Divided By #x-2# There Is No Remainder. Help, Please?
  
• Question #189c5
  
• Show that sin^2 30°+sec^2 30°+tan^2 45°=2?
  
• What are the factors of #x^2 + 2x + 1# ?
  
• Ariana and her father share her college costs in a ratio of 1:4. What part did she pay of her $12,000 college costs this year?
  
• #inttanx/(1-sinx)#?
  
• What is 60% of 58?
  
• How do you verify csc^2xcot^2x+csc^2x=csc^4x ?
  
• What is the molarity of 2.4 moles KBr in 4 L solution?
  
• Can somone help me solve the length of this side?
  
• Question #ac40e
  
• If #x^2 + 1/x^2 = 27#. Then find #x-1/x# ?
  
• How do you factor #3b ^ { 2} - 48b + 189#?
  
• How to solve #5x^2+20x+13=0# by completing the square?
  
• How do you verify the identify #sintheta/csctheta=sin^2theta#?
  
• How do you solve the system of equations by graphing and then classify the system as consistent or inconsistent #2x+y=0# and #5x-y=7#?
  
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