2,575 Answered Questions for the topic Maths

07/25/16

Rational expressions and equations
Two buckets are used to fill a large bathtub with water. Bucket A is larger, and by itself it can fill the bathtub in 20 minutes. Bucket B is smaller, and by itself it can fill the bathtub in 50... more
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07/25/16

Find value of x
A soccer ball is kicked with some initial velocity v at some angle θ such that its path in the air follows the equation    y=1.0+1.73x-1.225x^2   where (x,y) is the coordinate of the ball along... more
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07/25/16

Find roots of function
Find roots of the function    f(x)=112x^2-5x+1 -1   Express answer in exact form.
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07/25/16

What is the perimeter of a rectangular heptagon inscribed in a circle of radius 7?
What is the perimeter of a rectangular heptagon inscribed in a circle of radius 7? Round answer to 2 decimal places.
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07/25/16

Find the two standard angles between 0° and 360°
Find the two standard angles between 0° and 360° whose tangent value is 10. Round answer to 1 decimal place.
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07/25/16

Find two standard angles between 0° and 360°
Find two standard angles between 0° and 360° whose cosine value is -0.7.  Round answer to 1 decimal place.
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07/25/16

Derive an expression for the sum of the reciprocals of two consecutive odd integers
Derive an expression for the sum of the reciprocals of two consecutive odd integers 2m-1 and 2m+1.
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07/25/16

Solve for x
The perimeter of a triangle is 10 (that is, a+x+(x+1)=10). Use this and the cosine law to solve for x. Round answers to 2 decimal places.   Triangle: <BAC: 60degrees   line BA: x line AC:... more
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07/25/16

For what value(s) of k does the system of equations
For what value(s) of k does the system of equations   y=x^2-3x+5   y=kx   have only 1 solution? Leave answers in exact form.
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07/25/16

Find the length of the part of the line y+x+6 'inside'......
Find the length of the part of the line y=x+6 'inside' (or above) the curve y=x^2. Leave answer in exact form.
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07/25/16

Find the coordinates of intersection
The equation of a circle of radius r with its center at the point (h,k) is given by (x-h)^2+(y-k)^2=r^2   Find coordinates of intersections of the following... more
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07/25/16

Find coordinates of the intersections
y1=x- x^3/6 + x^5/120   y2=x^2
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07/24/16

Find x in the equations
 f(x)=lx-1l     g(x)=-lx+1l+4
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07/24/16

Look for the intersections of the functions
f(x)=2x^2-3x+1   g(x)=-x^2+2x+3   Give your answers as coordinates (a,b)
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07/24/16

The x and y-intercepts of a quadratic function in the form
y=a(x-h)^2+k   are (2,0), (-4,0), (0,16).   Solve for a, h, and k.   Present answer in form y=a(x-h)^2+k.
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Maths

07/23/16

kindly see discription
(a) Given the a system of simultaneous equation below, x + 3y + 3z = 3 x + 4y + 3z = 8 x + 4y + 4z = 2i. Express the system in matrix form ii. Using any of the matrix methods find the solutions... more
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Maths Algebra

07/19/16

Can you make the letters of alegbra real numbers?
x2=2x
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Maths

07/14/16

Solve the following simultaneous inequalities 8x - 3= 1/4 [x + 16]< x + 10
Solve the following simultaneous inequalities8x - 3≤ 1/4 [x + 16]< x + 10
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Maths

07/14/16

Solve the following simultaneous equations 2x = 8 – 12y 12 + 2x + 2y = 4x
 (c) ) Solve the following simultaneous equations 2x = 8 – 12y 12 + 2x + 2y = 4x and show how you arrived at answer
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Maths

07/14/16

Simplify ((z^(1/2) )(z^(5/2) )(z^(-3/2)))/((z^(3/2) )(z^(-1/4)))
simplify the equation and show how to come up with the answer step by step
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07/11/16

Definite integral
Find  the definite integral of the function cosx at points from a to b by definition.
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Maths

06/30/16

break down of $100,000
I want to know down to the cent if anyone can help, if I have 300 working days a year what will I need to make a day to achieve a goal of 100,000
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Maths

06/29/16

0.13% change percent to demical
0.13% change percent to decimals
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Maths

06/28/16

word problem
A group of people agree to share the cost of a 15000 repair bill to an inn.Before the repairs are made,two more people join the group and enter the agreement.As a result,each person's share is... more
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Maths

06/28/16

inequality
A phone service has a monthly fee of $119.95 with a charge of $0.65 per minute.if you want to spend no more than $300,how many minutes must you use?write the inequality and your answers to the... more
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