Answers created by Veddesh #phi#

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• Sin(-2π/3)?
  
• Solve for X if #3^(x+5)=27^(-2x+1)#?
  
• A man repays a loan of Rs. 3250 by paying Rs. 20 in the first month and then increases the payment by Rs 15 every month.How long will it take him to clear the loan?
  
• How do you factor #x^5+2x^4+x^3#?
  
• How do you evaluate #2\sqrt { 3} ( - 4\sqrt { 2} + \sqrt { 2)) #?
  
• An aircraft lands and brakes, slowing from 250 m/s to 5 m/s in 30 secs. What is its acceleration?
  
• How do you solve for a in #5 + ab = c#?
  
• When x=8, what is the value of #((x^-2)(27x^0))^(1/3)#?
  
• How do you balance #MgO + Fe -> Fe_2O_3 + Mg#?
  
• How much heat energy is required to convert 2kg of ice at 0°C to water at the same temperature? Latent heat of fusion of water= 3.3X10^5
  
• How do you find the slope given 5x-2y=2?
  
• How do you solve #x^{2} - 8= 0#?
  
• If oxygen is #"O"#, then what is #"O"_2# ?
  
• Why does temperature remain constant during fusion or vaporization?
  
• In an isosceles triangle, the vertex angle is twice the each base angle. What is the vertex angle?
  
• Question #b7a06
  
• Find the product of the complex number (6i)(7i)?
  
• Question #f6a15
  
• Question #c2af6
  
• How do you solve #(3y + 2) = ( 4y - 3)#?
  
• Laura has $730 in savings. She spends 10% of her money on a phone. How much money does she spend?
  
• Question #fb33a
  
• Given a right triangle #triangle ABC# with #C=90^circ#, if a=2, c=6, how do you find b?
  
• Question #30dd4
  
• How do you multiply #(5y - 3) ( 5y - 8)#?
  
• Question #23886
  
• Question #b941c
  
• How do you solve #-5\frac { 2} { 3} - \frac { 3} { 4} b = - 4\frac { 5} { 12}#?
  
• Question #43e51
  
• How do you convert #-(11pi)/6# from radians to degree?
  
• Area ratios problem?
  
• The estimated population of the world was 1.6 billion in 190 and 4.0 billion in 1975. What was the percent increase?
  
• If a circle has a diameter of 4 inches, what is the circumference?
  
• How many positive numbers can be made from the digits 1, 2, 3, 4, 5, 6, 7, 8 and 9 so that they are smaller than 800? The digits can repeat.
  
• What is meant by ionization energy?
  
• A 50 kg skater pushed by a friend accelerates at 5 m/s. How much force did the friend apply?
  
• Question #a5fac
  
• Question #d3cb9
  
• How do you solve this system of equation: #y = -6 and y = - 2x - 6#?
  
• How do you evaluate #-3\sqrt { 7} \cdot 5\sqrt { 7} - \sqrt { 8- ( 2^6\div 2^ { 4} ) }#?
  
• A train accelerates at #-1.5# #m##/##s^2# for #10# seconds. If the train had an initial speed of #32# #m##/##s#, what is its new speed?
  
• Question #e4fc3
  
• How do you find the first three terms of the arithmetic series #a_1=17#, #a_n=197#, and #S_n=2247#?
  
• What is #sqrt(12+sqrt(12+sqrt(12+sqrt(12+sqrt(12....)))))#?
  
• What is the reciprocal of -2/3?
  
• Question #4b2cd
  
• Question #2c8fd
  
• What are the three subatomic particles found inside an atom?
  
• Question #2b9f0
  
• Question #5a794
  
• Question #3800f
  
• Question #e94e0
  
• Question #ee40c
  
• How did Iron come to earth (millions of years ago)?
  
• How do you use the distributive property to rewrite and evaluate #15*104#?
  
• How do you simplify #\frac{3x^{2} y^{2}}{4x y^{4}}#?
  
• Question #78b61
  
• In triangle ABC, a = 7, A = 30 degrees, B = 70 degrees, What is angle C and length of side c?
  
• The difference of the reciprocals of two consecutive integers is 1/72. What are the two integers?
  
• Question #d41b3
  
• Question #5352c
  
• What is half of 1 1/3 cups?
  
• Draw an angle ∠ABC. Find the bisector of this angle?
  
• What is the resistance of a resistor if the potential difference across the resistor is 4.0 V when a current of 10.0 A flows through the resistor?
  
• How does gravity affect star formation?
  
• What are the layers of a star's atmosphere?
  
• What is the area of a rhombus with diagonals of 10 feet and 12 feet?
  
• How do you solve #\frac { 3} { x + 4} = \frac { 9} { x + 8}#?
  
• Question #f4962
  
• How do you simplify #5/sqrt5#?
  
• How do you simplify #sqrt(15n^2)*sqrt(10n^3)#?
  
• A projectile is shot from the ground at a velocity of #47 m/s# and at an angle of #(pi)/2#. How long will it take for the projectile to land?
  
• What do first class levers always do?
  
• How do you find the simplest radical form of 32?
  
• A circle has center at #(0,0)# and passes through #(-12,0)#, what is its circumference and area?
  
• Question #de3c1
  
• Question #1b82b
  
• The dimensions for a rectangular prism are #x+2# for the length, #x +3# for the width, and #x# for the height. What the volume of the prism expressed as a polynomial in standard form?
  
• In the equation #y=-x-5#, what is #y# equal to when #x=4#?
  
• Find the length of the arc, which forms an angle of #90^@# at the center of a circle whose radius is #8# #cm.#?
  
• A 40-foot guy wire is attached to a utility pole to provide support for the pole. The wire forms a 60º angle with the ground. How high up the pole is the wire attached? What is the answer in simplest form?
  
• The sum of two consecutive number is 63. What are the numbers?
  
• How do you find #sinx=1/2#?
  
• How do you simplify #(\frac { 3x ^ { 8} y ^ { 5} } { 2} ) ^ { 3}#?
  
• What is the unit circle value of tan 120, 135, and 150 degrees?
  
• How do you solve #\sqrt { 7u + 6} = \sqrt { 5u + 16}#?
  
• How do you evaluate #sec(cos^-1(1/2))# without a calculator?
  
• What percent of 60 is 63?
  
• How do you convert #3/20# to a percentage?
  
• Why a rectangle has 2 lines of symmetry and not 4 ?
  
• How do you convert 315 degrees into radians?
  
• The sum of three consecutive integers is equal to 9 less than 4 times the least of the integers. What are the three integers?
  
• Question #293d0
  
• How do you combine like terms in #(7x ^ { 4} - 8x ^ { 3} + 5) + ( 6x ^ { 3} - 8x ^ { 2} )#?
  
• What is an atom's atomlc mass best described as?
  
• What is the measure of each exterior angle of a regular 15-sided polygon?
  
• AC←→ is tangent to the circle with center at B. The measure of ∠ACB is 24°. What is the measure of ∠ABC?
  
• 25% of what number is 5?
  
• What is the geometric mean between 3 and 18?
  
• How do you solve #-2( - 2+ 5m ) < 64#?
  
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