01/22/25

How to explain this to a 3rd grader???
Trying to explain this to my 3rd grader without algebra. No teacher help- so frustrated. This is a test question (we are reviewing what she got wrong) from Math Expressions unit 6. Do I just say... more
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10/09/24

Graph the function g (x) = 3/5x - 2
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08/31/24

How to solve for variable when it is in a fraction
Solve for Yy/5 + y/3 = 8/9
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08/30/24

Angle with bisector
PQS 2x + 1. RQS 4x - 15
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02/16/24

You have 64 feet of fencing. If you are wanting to make a rectangular pen, what is the greatest area you can enclose?
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07/25/23

The area of triangle ABC is 154 square inches, and point P is marked on side AB so that AP:PB = 3:4. What are the areas of triangles CPA and CPB?
CP is not an altitude. No other information is given.
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05/01/23

rewrite cos(x - 4pie/3) in terms of sin(x) and cos(x)
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04/22/23

Solving a tax rate or interest rate problem using a system of linear equations
Last year, Brian had $30,000 to invest. He invested some of it in an account that paid 7% simple interest per year, and he invested the rest in an account that paid 9% simple interest per year.... more
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04/07/23

PreCalculus 12thgrade
You need a 35% alcohol solution. On hand, you have a 600 mL of a 30% alcohol mixture. You also have 95% alcohol mixture. How much of the 95% mixture will you need to add to obtain the desired... more
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04/04/23

what are the coordinates of the point on the directed line segment from (-8,8) to (7,-7) that partitons the segment into a ration of 3 to 2?
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01/02/23

How to confirm this is true?
I can only use: reciprocal identities quotient identities Pythagorean identities sum and difference formulas double angle formulas power reducing formulas half angle formulas product to sum... more
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01/02/23

Working out how many adults and children were in the party

The entry prices at a theme park are adults 20 dlrs and children 15 dlrs. A group visited and were charged 105 dlrs. How many adults and children were in the party? There was at least one adult.
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12/27/22

Is there a specific formula to reflect a point over ANY linear line?
I know how to reflect (-5, 0) over y = 2x manually by algebra, but is there a formula for all? I remember there was. It had to do with absolute values and some stuff like that. Any you know of?... more
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12/27/22

This doesn't look like a rotation to me. I graphed it on desmos and somehow see that the triangle has shrinked. I think that point F should be stretched more for the two triangles to be equal.

175. Describe a transformation that carries the triangle with vertices (0, 0), (13, 0), and (3, 2) onto the triangle with vertices (0,0), (12,5), and (2,3). Where does your transformation send the... more
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12/19/22

One side of a triangle is 1 cm shorter than the base, x . The other side is 9 longer than the base. What lengths of the base will allow the perimeter of the triangle to be at least 20 cm?
One side of a triangle is 1 cm shorter than the base, xx. The other side is 9 longer than the base. What lengths of the base will allow the perimeter of the triangle to be at least 20 cm?I have to... more
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12/16/22

Use the properties of logarithms to expand the expression as a sum, difference, and/or constant multiple of logarithms. (Assume all variables are positive.)
log (10x3 / y5 )
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12/16/22

The value of r is directly proportional to the value of t. If r=13 when t=94.25, what is the value of r when t=29?
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11/14/22

Find all the zeros of f(x)=x^3+6x^2−11x+40 given that 1−2i is a zero.
x=
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11/14/22

assume the point is in the fourth quadrant
Assume the point (x,−22/25) is on the unit circle in the fourth quadrant.x=
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11/14/22

Make a list of all possible rational zeros of f(x)=5x^3+7x^2−81x+45, and then use this list to find all of the functions’s rational zeros, if any exist.
Rational Zero Candidates: ±Rational Zeros:
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11/10/22

Consider the 3 by 3 system of equations: x-3y-5z=-5, 4x-2y+3z=13, 5x+3y+4z=22
A.) show how to create a 2 by 2 system of equations by eliminating the variable “x” and then state your 2 by 2 systemb.) now solve the 2 by 2 system for “y” and “z”c.) now state the final solution... more
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02/27/22

act practice question
In a certain triangle, the longest side is 1 foot longer than the second longest side, and the second longest side is 2 feet longer than the shortest side. If the perimeter is 36 feet, how many... more
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02/08/22

Express the area of a regular n-gon in terms of its perimeter P, using trigonometry.
Express the area of a regular n-gon in terms of its perimeter P, using trigonometry. What happens to this area as n tends to infinity? It might be helpful to explore an example regular polygon or... more
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10/17/20

How would you convert this equation to sum of cubes?
b^2(a+b) - (ab(b-a) + a^2(b-a))
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09/25/20

Word Problem... Help!
The length of a new rectangular playing field is 3 yards longer than triple the width. If the perimeter of the rectangular playing field is 406 yards, what are its​ dimensions?
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