05/28/16

how can i simplify sqrt(x+3)^2?
the only thing i could do was turn the x+3 into a quadratic
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05/27/16

speed of the wind
Against the wind a small plane flew 280 miles in 1 hour and 10 minutes. The return trip took only 50 minutes. What was the speed of the? wind? What was the speed of the plane in still? air?
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05/27/16

find the domain and range, is the relation a function
?(a) Find the domain and range of the relation. ?(b) Determine whether the relation is a function.?{(7?,85?), ?(5?,45?), ?(7?,35?), ?(3?,75?)}
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05/27/16

money will be divided in the ratio of 1 to 8. Three times the smaller amount is 1,430 less than two times the larger amount. How will the money be divided?
I am trying to get the correct ratio of how the money will be divided by 8. 
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05/26/16

Cake question
You creating a wedding cake. The cake is composed of 3 square prism tiers. The bottom tier has a length of 20 inches, the second tier has a length of 14 inches, the top tier has a length of 8... more
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05/26/16

A 6 foot tall man casts a shadow of 3.5 feet long on the ground. What is the angle of elevation of the fround to the sun?
Need help.
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05/26/16

A rectangular lawn has a perimeter of 18 ft and a diagonal of square root of 41 ft. Find the dimensions of the lawn (length and width)
A rectangular lawn has a perimeter of 18 ft and a diagonal of square root of 41 ft. Find the dimensions of the lawn (length and width)
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05/26/16

Find the value for $20000 earning 6% interest compounded monthly for 4 years
I need to find the answer to this 
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05/26/16

Pre Calculus
Rewrite the given parametric equations in Cartesian form: x(t)=4-t   y(t)=3t+2 a) y=14-3x b) y=3x+2 c) y=x+4 d) y=4-x
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05/26/16

I have no idea
If cos ∅=7/25 and Ø is in quadrant IV find CSC ∅ A. 25/7 B. 24/25 C. 25/24 D. -25/24 E. -24/25
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05/26/16

Probability of rain tomorrow is 80%. Probability of snow is 40%. Probability of rain and snow is 30%. What is the probability that it will rain or snow?
This is a probability question. What are the steps to find the solution?
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05/26/16

Find, to the nearest tenth of a foot, the length of the ramp
The tailgate of a truck is a 4.5 feet above the ground. The incline of a ramp used for loading the truck is 18°, as a right triangle
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05/25/16

3 bags of candy prizes total $143. The chocolate cost 3 times as much as the jelly beans, the hard candy cost 1 less than twice as much as the jelly beans.
Set up an equation to solve for each amount. 
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05/25/16

Give an equation in standard form for a line which is perpendicular to -2x+3y=7 and had a y intercept of -3
Give an equation in standard form for a line which is perpendicular to -2x+3y=7 and had a y intercept of -3
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05/25/16

If sinTheta=12/13 and Theta is in quadrant 2 ,cos2Theta=(blank) and cosTheta=plus/minus(blank)
Precalculus. Need help on how to work out problem.Please.
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05/25/16

Robert and Elena usually order a medium pizza for $12.00 . The large pizza costs 10% more. What is the cost of the large pizza?
 Robert and Elena usually order a medium pizza for $12.00 . The large pizza costs 10% more. What is the cost of the large pizza?
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05/25/16

If (2,y) is a solution to the equation y=-3x-1,what is the value of y?
I need help with this stuff
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05/25/16

Ten years from now, Orlando will be three times older than he is today. What is his current age?
Linear equations 
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05/25/16

I need to write the following in the form of a mathematical expresion
What is the mathematical expression for, the product of 29 and -37
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05/24/16

waster water calculation
At the beginning of the week, a totalizer on the plant inflow read 5,374,239 gallons. Seven days later the totalizer read 8,161,332 gallons. What was the average daily flow during the week? 
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05/24/16

scale model
The Tokyo Tower in Japan is currently the world's tallest self-supporting steel tower. It's 333 meters tall. Emily builds a model of the Tokyo Tower that's 2775 mm tall. whats the scale of emily's... more
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05/24/16

Solution mixture word problem
A dealer has gasoline worth 30 cents a gallon and some worth35 cents a gallon. How many gallons of each kind must he take to produce 50 gallons worth 32 cents a gallon?
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05/24/16

ticket prices
Kim Bennett has been pricing? Speed-Pass train fares for a group trip to New York. Three adults and four children must pay $ 80. Two adults and three children must pay $ 57. Find the price of the?... more
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05/24/16

find the equation of the line that contains the point with coordinates (4,1) and is perpendicular to the graph of y= -3+4
...........................................................................................
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05/24/16

can you give me the answer
the davies bought an apartment for $75,000. Assuming that the value of the apartment will appreciate at most 4% a year, how much will the apartment be woth in 3 years? Use the formula V= P(1+r)use... more
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