Answers edited by Soumalya Pramanik

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• How do you verify the identify #sintheta/csctheta=sin^2theta#?
  
• Five importances of nitrogen cycle ?
  
• Barbie is thinking of a number. Twenty less than one-third of the number is 72. What is Barbie's number?
  
• What is meant by the term one mole of molecules?
  
• What is true about ATP from cellular respiration? A) most is lost as heat B)it is used to maintain body temperature C) it is used to perform cellular functions D) it is released from the breakdown of glucose C) all of the above are true
  
• How do you rationalize the denominator and simplify #( 3sqrt6 + 5sqrt2)/(4sqrt6 - 3sqrt2)#?
  
• The energy required to break one mole of Cl - Cl bond is #"242 kJ/mol"#. What is the longest wavelength of light capable of breaking a single Cl - Cl bond? (take #c = 3 xx 10^8# #"m/s"# and #N = 6.022 xx 10^23# #"mol"^(-1)#)
  
• Question #06d2c
  
• Question #9fe7c
  
• How do you solve #\frac { b } { 13} - \frac { 3b } { 13} = \frac { 8} { 13}#?
  
• Question #993ff
  
• Solve this equation. what is the answer ? have m by it self (-9)(-9)4 = m
  
• Please solve this quick X problem?
  
• Are meiosis and mitosis similar?
  
• 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 prove: #Cosx + sinx tanx = secx#?
  
• How do you convert 225 degrees into radians?
  
• Question #230b9
  
• If the length of the equal two sides of a isosceles triangle is 20 cm and the angle between those two sides is 45 degrees, then what is the area of the triangle?
  
• Question #e2433
  
• A dancer lifts his partner above his head with an acceleration of 1.5 m/s. The dancer exerts a force of 575 N. What is the mass of the partner ?
  
• Question #ed6fb
  
• What are the products from the Reaction of water and sulphuric acid?
  
• Question #844e5
  
• If an element has atomic number 9 and atomic mass 19, how many neutrons will it have?
  
• How do you solve #c- 14\geq 2#?
  
• How do I find the value of #log 1000#?
  
• 3.01e22 Ag+ ions is present in? options a) 85 grams of AgNO3 b) 0.85g AgNO3 c) 8.5g AgNO3 d) 18.5g AgNO3
  
• Question #05787
  
• How to solve q 92 on the sides and angles of a polygon.?
  
• Question #7c97b
  
• Question #cde93
  
• If the two equation x^2+ax+b=0 and x^2+bx+a=0 have a common root,show that other roots are the roots of the equation x^2+x+ab=0?
  
• Question #7acfa
  
• A triangle has corners at points A, B, and C. Side AB has a length of #24 #. The distance between the intersection of point A's angle bisector with side BC and point B is #8 #. If side AC has a length of #18 #, what is the length of side BC?
  
• How do you find the product of #(x + 5)^2#?
  
• When catching cricket ball, we pull our hands back. why?
  
• If an object is raised four times as high, how is its gravitational interaction (potential) energy affected?
  
• How to do you graph #y=1/3x+2# by plotting points?
  
• Solving Systems...I'm Stuck?
  
• During DNA replication, a DNA strand that has the bases CTAGGT produces a strand with what bases?
  
• In the equation, Fe2O3 + 2Al → Al2O3 + 2 Fe, if 52.6 g of aluminum are used with excess iron oxide, how many grams of Fe2O3 will be converted to aluminum oxide?
  
• Question #36757
  
• How do you solve #-16x ^ { 2} = 12x ^ { 2} + 24x + 5#?
  
• What is the energy in Joules of a single photon with wavelength of 154 nm?
  
• What is the wavelength of this light?
  
• Question #2a70b
  
• How do you factor completely #5x^2-5x-100#?
  
• If sodium iodide and calcium are mixed together, what are the resulting products?
  
• A girl goes to her friend's house, which is at a distance of 12 km. She covers half of the distance at a speed of x km/hr. and the remaining distance at a speed of (x+2)km/hr. If she takes 2 hrs 30 minutes to cover the whole distance, find "x" ?
  
• How do you solve #27x ^ { 2} - 55x + 2= 0#?
  
• What does exothermic mean?
  
• Question #98339
  
• Is #c= e/-4 # a direct variation, inverse variation, or neither?
  
• Question #b585f
  
• A jeep chases a thief with a constant velocity #v#. When the jeep is at distance d from the thief, he starts to run with a constant acceleration #a#. Show that the police will be able to catch the thief when #v >= sqrt(2ad)#?
  
• How do you solve #-16x ^ { 2} = 12x ^ { 2} + 24x + 5#?
  
• A rectangular garden has an area of 120 square feet. If the width of the garden is 2 less feet than the length of the garden, what are the width and length of the garden?
  
• Difference between Co-Factors and Co- enzymes?
  
• Question #ca751
  
• If an electron jumps from the n=2 orbit to the n=3 orbit, then what kind of spectrum will be produced: a continuous spectrum, an absorption line spectrum, or an emission line spectrum?
  
• Question #a511c
  
• How do you solve #3x-51=-2x+59#?
  
• The nucleotide sequence of one DNA strand of a DNA double helix is 5-ʹGGATTATTGTGCACTTTCA-3ʹ. What is the sequence of the complementary strand and briefly explain the answer?
  
• How do you verify the identify #sintheta/csctheta=sin^2theta#?
  
• What are the group 18 elements called?
  
• How do you verify #tanx / (1-cosx) = cscx (1+secx)#?
  
• How do you convert #(5pi)/12# into degrees?
  
• Question #c9a3b
  
• How do you solve the following system?: #8x +6y =9 , - 5x -7y = -2#
  
• A 20. kilogram object strikes the ground with 1960 joules of kinetic energy after falling freely from rest. How far above the ground was the object when it was released?
  
• How do you use the quadratic formula to find the solutions of #x^2-21=4x# ?
  
• What weight of magnesium will dissolve in 10 cm^3 of 1 mol/dm^3 HCl and what volume of hydrogen will be produced? Thanks in advance!
  
• How do you find the protons, neutrons, and electrons for a Bromine (#1^-#) anion with a mass number of 80?
  
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