1,081 Answered Questions for the topic Equations

Equations

09/06/16

tina, dawn, and harry have 175$ together. how much money does each have?
tina has 3 times as much as dawn. dawn has 2 times as much as harry. tina has 5 times as much as harry. 
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09/05/16

Write a mathematical equation for: In a set of data, each number is found by multiplying the two proceeding numbers
Elementary Math Skills -- in terms of an
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09/05/16

Write a mathematical equation for: In a set of data, each number is 2.38 more than the preceding number?
Elementary Math Models
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Equations

09/02/16

Solve the equation for the indicated variables. (Confused!! )
1. Y=3/8(X+4) for X    3. h-j=4(h+j) -7 for h    4. n=m^2 - (n+3) for m 
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09/02/16

Container for cake boxe
Container for cake pieces )A manafacture supplies bakery treats with closed boxes . A right prism of height h cm. The cross section is a sector of a circle with radius r cm and angle 1 radian the... more
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08/31/16

Algabraic Expression
Use an algebraic approach to solve the problem.Suppose that Maria has 130 coins consisting of pennies, nickels, and dimes. The number of nickels she has is 9 less than twice the number of pennies;... more
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Equations

08/28/16

shares and stocks
a company plans to issue 24500 shares of two different kinds of stock which will have combined value of $800000. one of the stocks is worth $100 per share and the other stock is worth $25 per... more
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08/27/16

How to create an equation for this word problem and solve.
Tonya"s tennis Academy charges $25 per hour for lessons plus a $15 registration fee. Gerald spent a total of $290 for lessons. How many hours of lessons (h) did he take? Create an equation to... more
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Equations

08/27/16

Why does addition in this equation suddenly turn into division?
Please help with the following Problem: 0,105=0,083+0,44*RD(0,65). Solve for RD. Solution: RD= (0,105-0,083)/(0,44*0,65)=0,22/0,286=0,769=7,69% Question: Why does the + between 0,083 and 0,44 in... more
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Equations

08/24/16

Find the error in this solution then solve correctly.
9x +18 + 3x = 1 9x +18 = -2 9x = -20 x = -20/9
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08/22/16

Write the slope-intercept form of the equation of the line described - Show Work and Explain
You are saving money for your new car. Your parents give you $1,300 to help your saving get started and you can save $275 weekly. Write a linear equation that determines your savings (y) for a... more
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Equations

08/09/16

need to arrive at formula
FY2015 budget is 9000Final expense is 9238making a difference of -2.64%The expenses projected were 9300, making the projected vs actual % difference -.67%How do you arrive at -.67%? What is the... more
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07/30/16

solve the given system of equations by the equations by the substitution method; x - 3y = 11 and -x+ 6y = -20
I have to solve it for x and y 
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Equations Math Trigonometry.

07/28/16

See Details
Consider the equation z^{11} = (1 + \sqrt{3}\, i). Find the value of z which satisfies this equation and which has the second smallest positive argument \theta, 0 < \theta < 2\pi. Express... more
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07/13/16

2x2 system of equations?
attempted this problem, I keep getting different results. not sure which right. 3 x - 9 y equals 12 2 x - 6 y equals 8    
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07/05/16

Translate to a system of equations but do not solve.
The perimeter of a standard tennis court when used for doubles play is 288ft. The width is 22 ft less than the length. Find the dimensions.   choose the system of equations that is a mathematical... more
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Equations Add

07/05/16

Amusement park admission
Cedar point amusement park charges $51.99 for an adult ticket and $26.99 for a child's ticket. One Thursday the park collected $15,591.40 from a total of 360 adults and children. How many... more
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Equations Addition

07/05/16

How many sweatshirts were sold?
One day a store sold 18 sweatshirts. White ones $9.95 and yellow ones cost $11.50. In all, $200.80 worth of sweatshirts were sold. How many of each color were sold?
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Equations Slope

06/26/16

Find the slope
I need some help figuring out this problem:   Find the slope of the line containing this pair of points (-8,1) and (-6,-7)  
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06/21/16

A circle has an equation 49x^2+49y^2+14x+294y-48=0 find the Center, Radius and intercepts of the circle.
I need help solving this  equation: 49x^2+49y^2+14x+294y-48=0 find the Center, Radius and intercepts of the circle.  
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06/15/16

In 2020, Batman's age divided by 3 will be 6 less than Robin's age in 2014. If Robin's age is 18, what is Batman's age in 2014
Set up an equation and solve it
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Equations Math Math Help Triangle

06/10/16

Equilateral triangle
An equilateral triangle DEF has sides of x cm and height h cm. show that the area of ΔDEF is ((√3)/4)x^2 cm^2   Please show the full working. 
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Equations

06/08/16

a sum of rupee 800 is in the form of denominator of rupee 10 and rupee 20 if the total number of notes be rupee 50 find the number of notes of each types
find the x in the sum
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Equations

06/08/16

find a number such that when 5 is subtracted from 5 times the numbers the result is 4 more than twice one number
find the x in the sum
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Equations

06/05/16

Write equation in standaerd form of line passing through the points
(-4/9,4/9) and (6/5,4/5)
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