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How do you solve #4( 9+ x ) = 136#?

What is the equation of the line perpendicular to #y = 3x 2# and passes through point (3,4)?

Question #92aa1

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^#?

How do you solve #5n8(1+7n)=8#?

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?

Question #64897

How do you solve # 6( s  8) \leq  18#?

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Question #e46a5

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?

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?

How do you evaluate #3\cdot 10^ { 4} \cdot 5.3\times 10^ {  23}#?

Question #3e533

How do you evaluate #\frac { 3x  21} { 6x  42}#?

What is the maximum revenue that the company can make?

Question #7a5dd

How will temperature affect the spontaneity of a reaction with positive #DeltaH# and #DeltaS#?

What determines when a system reaches equilibrium? What observations can be made about a system once equilibrium has been established?

The level of thorium in a sample decreases by a factor of onehalf every 4.2 million years. A meteorite is discovered to have only 7.6% of its original thorium remaining. How old is the meteorite?

Question #9974d

How do you evaluate #n^2  n 3# for #n# = 4?

How do you simplify #24x22=4+25x#?

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?

How do you factor #3x ^ { 2} + 15x + 21= 0#?

Question #990f5

Question #a73c7

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?

How do you calculate percent change if Sales Revenue  2007 was £230,000,000 and in 2006: £200,000,000?

Question #249ab

How do you solve # x – 4 > 3x – 1#?

What depends upon the amount of sample present whereas temperature does not?

Question #54837

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Question #7701f

Starting with 189 grams of uranium238, after one half life has gone by, how many grams of uranium238 will remain?

Question #e2e12

How do you evaluate #\frac { 1 } { 2} ( 5 2h ) = \frac { h } { 2}#?

How do you evaluate #(20  (4^2 \div (2+14)) +5)/(4^2 13)#?

When does the air become saturated?

How do you solve #\frac { x + 2} { 9}  \frac { 2x + 9} { 5} = 2x + 3#?

Question #48fc8

How do you evaluate #2[ 5( w + 3)  ( 1+ w ) ] = 3( w + 2)#?

Question #4cc71

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Question #09738

How do I differentiate #y=(tanx)^(x^2)# using natural logarithms?

How do you find the value of the permutation P(12,0)?

What is the relationship between atomic radius and ionization energy?

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?

How do you add #3.1b + 2.6b#?

What is formal charge and how is it determined?

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.

Question #d542a

Question #0dfa9

Suppose the radius of a circle is 3. What is its circumference?

Express 563 in exponential notetion ?

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Question #d56d7

Can someone help me please? Thanks

Question #0c67e

What is 7+6i divided by 10+i?

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Question #d4b0f

How do you solve #\frac { 13} { 4} ( \frac { 31} { 8} r + 1) = \frac { 5423} { 56}#?

Question #16fd2

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Question #0a3ea

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 #d2c06

Can you help me please?

Question #40e89

Question #747d9

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?

Question #33fc0

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 #c7380

How does the orientation of #H_2O# molecules around #Na^+# differ from that around #Cl^#?