03/06/20

Percent change/exponential functions
A cup of coffee at 100°C cooled to 46.3°C after 15 mindetermine the percent decrease of temperature in each minute use an exponential function to predict the temperature of the coffee after 30... more
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03/04/20

Is this correct?
Solve: (√b-20)+ 4 = √b(A) ∅(B) b = (52)/(5)(C) b = -16(D) b = (81)/(4) (E) None of the above For this I got; (D) b = (81)/(4). Is this correct?
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02/27/20

Two positive numbers have a product of 575. If the larger number is 2 or more than the smaller, what are the numbers
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02/27/20

Find x in terms of base 10 logs
Step by step, how do you answer this question:Find in terms of logarithms to the base 10, the exact value of x such that 3^2x+1=2^x-4.(Also, do you know any good sites/resources for A-Level maths... more
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02/23/20

how do i solve ?
What is the area of the figure below?
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02/22/20

Given: △AMF AM=MF=AF=a, KLPS is a square Find: Area of KLPS
Given: △AMF      AM=MF=AF=a, KLPS is a square    Find: Area of KLPS
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02/22/20

Given: △ABC m∠B=90°, AB:BC=4:5 BD ⊥ AC , BD=80 Find: AD and DC

Given: △ABC       m∠B=90°, AB:BC=4:5       BD ⊥ AC , BD=80    Find: AD and DC 
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02/22/20

If sin ⁡x=7/25, and 0<x<π/2, what is tan⁡(x−π/4)?
If sin ⁡x=7/25, and 0<x<π/2, what is tan⁡(x−π/4) in fractional form?
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02/21/20

Find the dimensions that give the largest area for the rectangle shown in the figure.)
Its base is on the x-axis and its other two vertices are above the x-axis, lying on the parabola y = k − x2, k = 6. (Round your answers to two decimal places.heightwidththanks!!
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02/21/20

Write a formula for g(x) if the function is created from F(x) = 2x by refecting the graph over the x-axis, vertically compressing by a factor of 0.25, and shifting the graph up 7 units.
Write a formula for g(x) if the function is created from F(x) = 2x by refecting the graph over the x-axis, vertically compressing by a factor of 0.25, and shifting the graph up 7... more
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02/21/20

How do i solve this ?
If the area of a square is 15.55 , the measure of each side of the square is   in. Round your answer to the nearest tenth if necessary.
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02/21/20

The area of a sector of a circle with a central angle of 9π/13 rad is 24 m2. Find the radius of the circle. (Round your answer to one decimal place.)
The area of a sector of a circle with a central angle of 9π/13 rad is 24 m2.Find the radius of the circle. (Round your answer to one decimal place.)
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02/13/20

EQUATION SOLVING: Solve the equation.
x3 − 3x2 − 4x + 12 = 0
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02/13/20

From sin(3θ) = −1/sqrt2, Solve for 3θ on the interval [0,2pi).

From sin(3θ) = −1/sqrt2, Solve for 3θ on the interval [0,2pi). Enter your answers on a comma separated list.3θ=θ=
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02/13/20

3tan^3(theta)=tan(theta) - Find all complex solutions
3tan3(theta)=tan(theta) - Find all complex solutions
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02/12/20

Determine sides of polygon
Two of the interior angle of a polygon are 50 degrees and 150 degrees. Given that, all the remaining sides are equal in length forming an exterior angle of 20 degrees. Calculate the number of sides... more
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02/12/20

Algebra Problem! Please Help!
Solve for unknowns: RATA = 360; RBTB = 60; RA = 3RB; TA+TB = 12Then evaluate: RA - RB + TA - TB =
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02/11/20

The sum of two numbers is 10 and the difference is 4 what are the two numbers
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02/10/20

Finding Length and Width with a Proportion
This is the question in struggling with. The perimeter of a rectangle is 56 inches. The ratio of the length to the width is 6:1. Find the length an width.
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02/10/20

Find the distance between the point (0, 0) ) and the line with the - 2x - y = - 3
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02/09/20

Express the following in terms of sinx
1). cosx (2cosx - 3tanx)I need to use one or both of the following equations as these are the only ones we have been taught so far: i). cos2x + sin2x = 1ii). tanx = sinx / cosx
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02/09/20

Having troubles solving this system of equations. I would like to find our where I am going wrong.
2x + 5y + z = -13x - 5y - z = 65x + y + 3z = 10
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02/08/20

The perimeter of a rectangle is 98, and the length of one of its diagonals is 41. Find the area of the rectangle.
can i get help on how to solve this?
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02/07/20

I'm not sure how to do this....
Which of the following points is within the solution region?(-5, 4); (2, 5); (-5, -2)  
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02/07/20

PLEASE PLEASE PLEASE HELP ME
Identify the vertex of the system of inequalities.  
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