Answers created by Taha Z.
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How do you solve #4( 9+ x ) = 136#?
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What is the equation of the line perpendicular to #y = 3x -2# and passes through point (3,4)?
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Question #92aa1
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If a #0.3*mol# quantity of calcium chloride is dissolved in a #1*L# water solvent what are the concentrations of #Ca^(2+)# and #Cl^-#?
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How do you solve #-5n-8(1+7n)=-8#?
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Suppose you buy several pens at a discount store. All the pens are the same price, and you buy as manypens as the cost (in cents) of each pen. The total is $1.44. How many pens did you buy?
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Question #64897
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How do you solve # 6( s - 8) \leq - 18#?
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Question #438b5
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Question #ce7da
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Question #e46a5
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Tyrone has $60 and his sister has $135. Both get an allowance of $5 per week. He decides to save his entire allowance. His sister spends all of hers each week plus an additional $10. After how many weeks will each have the same amount of money?
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At a concession stand, five hot dogs and two hamburgers cost $11.75; two hot dogs and five hamburgers cost $11.00. How do you find the cost of one hot dog and the cost of one hamburger?
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How do you evaluate #3\cdot 10^ { 4} \cdot 5.3\times 10^ { - 23}#?
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Question #3e533
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How do you evaluate #\frac { 3x - 21} { 6x - 42}#?
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What is the maximum revenue that the company can make?
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Question #7a5dd
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How will temperature affect the spontaneity of a reaction with positive #DeltaH# and #DeltaS#?
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What determines when a system reaches equilibrium? What observations can be made about a system once equilibrium has been established?
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The level of thorium in a sample decreases by a factor of one-half every 4.2 million years. A meteorite is discovered to have only 7.6% of its original thorium remaining. How old is the meteorite?
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Question #9974d
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How do you evaluate #n^2 - n -3# for #n# = 4?
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How do you simplify #24x-22=-4+25x#?
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A store sells bicycles for $250 each. In one week, the store had $1,250 in bicycle sales. How many bicycles did the store sell?
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How do you factor #3x ^ { 2} + 15x + 21= 0#?
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Question #990f5
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Question #a73c7
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A flight leaves Orlando, Florida, at 7:35 A.M. and arrives in San Francisco, California, at 10:15 A.M. Orlando is 3 hours ahead of San Francisco. How long did the flight last?
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How do you calculate percent change if Sales Revenue - 2007 was £230,000,000 and in 2006: £200,000,000?
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Question #249ab
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How do you solve # |x – 4| > |3x – 1|#?
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What depends upon the amount of sample present whereas temperature does not?
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Question #54837
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Question #71533
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Question #703a5
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Question #0fe9b
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Question #7701f
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Starting with 189 grams of uranium-238, after one half life has gone by, how many grams of uranium-238 will remain?
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Question #e2e12
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How do you evaluate #\frac { 1 } { 2} ( 5- 2h ) = \frac { h } { 2}#?
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How do you evaluate #(20 - (4^2 \div (2+14)) +5)/(4^2 -13)#?
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When does the air become saturated?
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How do you solve #\frac { x + 2} { 9} - \frac { 2x + 9} { 5} = 2x + 3#?
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Question #48fc8
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How do you evaluate #2[ 5( w + 3) - ( 1+ w ) ] = 3( w + 2)#?
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Question #4cc71
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Question #191e4
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Question #0cda4
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Question #09738
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How do I differentiate #y=(tanx)^(x^2)# using natural logarithms?
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How do you find the value of the permutation P(12,0)?
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What is the relationship between atomic radius and ionization energy?
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Mr. Gonzales invested 10,000 more than her husband did. If they both invested the money at 5 percent per year & their combined income from their investments was 4,000, how much did they invest each?
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How do you add #3.1b + 2.6b#?
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What is formal charge and how is it determined?
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If a car is moving at 90 km/h and it rounds a corner, also at 90 km/h, does it maintain a constant speed? A constant velocity? Defend your answer.
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Question #d542a
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Question #0dfa9
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Suppose the radius of a circle is 3. What is its circumference?
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Express 563 in exponential notetion ?
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Question #38348
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Question #0c929
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Question #d56d7
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Can someone help me please? Thanks
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Question #0c67e
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What is 7+6i divided by 10+i?
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Question #af89f
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Question #d4b0f
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How do you solve #\frac { 13} { 4} ( \frac { 31} { 8} r + 1) = \frac { 5423} { 56}#?
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Question #16fd2
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Question #1af69
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Question #0a3ea
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A chemistry has 14.5 g of Al and 7.5 g of #O_2#. What would the excess be for the following reaction: #4Al + 3O_2 -> 2Al_2O_3#?
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Question #c09f6
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Question #ef093
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Question #72a35
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Question #d2c06
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Can you help me please?
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Question #40e89
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Question #747d9
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An object travels North at #15 m/s# for #2 s# and then travels South at #2 m/s# for #8 s#. What are the object's average speed and velocity?
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Question #33fc0
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Two horses pull against a rope with forces of 100 newtons in opposite directions. What is this an example of ?
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Question #94099
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Question #79a20
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Question #e080e
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Question #c7380
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How does the orientation of #H_2O# molecules around #Na^+# differ from that around #Cl^-#?