11/10/18

Compound interest
At an effective annual compound interest of i>0, it is found that an investment doubles in a years, triples in b years and 1 grows to 5 in c years. Is c greater than (3a+b)/2? To what amount... more
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11/09/18

A rectangular pond 6 meters by 5 meters is going to be built.
A rectangular pond 6 meters by 5 meters is going to be built. The builders want the pond to be surrounded by a walkway đ‘„ meters wide.A.) Let (đ‘„) represent the width and 𝑙(đ‘„) represent the length of... more
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11/08/18

Word problem involving rate time and distance
A car in the bus sit out at 2 PM from the same point headed in the same direction the average speed of the car is 30 mph slower than twice the speed of the bus in 2 hours the car is 20 miles ahead... more
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11/08/18

Geometry test and above
Suppose every interior angle in a regular polygon is 150∘. What kind of polygon is this? 11-gon quadrilateral pentagon 12 gon?
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11/08/18

the sum of two integers is 23 and the positive difference of the same two integers is 18.What is the product of the two integers?
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11/08/18

math i dont understand it and i need help
A line passes through point . A second point on the line has an x-value that is 125% of the x-value of point  and a y-value that is 75% of the y-value of point . Use point  to write an equation of... more
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11/07/18

A piece of string 40 cm long is cut into two lengths. Each length is laid out to form a square.

A piece of string 40 cm long is cut into two lengths. Each length is laid out to form a square. Given that the length of the sides of one of the squares is xcm, find expressions in terms of x for... more
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11/07/18

Vertical and Horizontal Intercepts

A tank with some water in it begins to drain. The function v ( t ) = 60 − 1.5 t determines the volume of the water in the tank (in gallons) given a number of minutes t since the water began... more
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11/05/18

Last week, Andy ran 2 laps around the lake. Irene ran 3/5 as many laps around the lake as Andy did. How many laps around the lake did Irene run?
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11/05/18

Graph the above problem

Need help graphing the problem slope is -4 and passes thru point (1, -3 )
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11/04/18

Pass through (-9,17) slope -4/3
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11/02/18

How many unit-tests the second programmer wrote per hour?
Two programmers have to write 27 unit-tests each. The second programmer had started his work 27 minutes earlier than the first programmer. They finished 2/3 of their work at the same time. In order... more
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11/01/18

Line l contains points (-2,4) and (1,-9). Point P has coordinates (14,-6). Find the distance from P to l
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11/01/18

Please Help ASAP!!!

Analyze the following polynomial function showing all your work:  f(x) = x^4−x^3+7x^2−9x −18  Using this function (and the equivalent equation where f(x)=0) perform the 5 steps listed below... more
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11/01/18

Math Question Help
f(x) = 5x3+8x2−7x−6Choose 1 of the possible roots and show or describe how you know it is an actual root.
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10/31/18

Corresponding sides of similar triangles are proportional.
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10/30/18

Please help....
You are building a fence around a rectangular area. You have 74 feet of fencing. The rectangular area has a width of 12 feet. A) Write an inequality that can be used to determine the possible... more
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10/30/18

How do I write this?
Sam charges ten dollars for a one year subscription to his on-line newsletter. Sam currently has 600 subscribers and he estimates that for each $1 decrease in the subscription price, he would gain... more
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10/29/18

If there are 70 elements in the universal set and A and B are subsets of universal set such that n (A) =40, n (B) = 25, and n (A uB)’=14, use a Venn diagram to find n (AnB)
If there are 70 elements in the universal set and A and B are subsets of universal set such that n (A) =40, n (B) = 25, and n (A uB)’=14, use a Venn diagram to find n (AnB)
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10/29/18

In triangle XYZ, XY = 21 AND XZ = 35. Find YZ.
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10/28/18

If six people can do a job in four hours, how long should it take for three people to do the same job?
I’m just very confused at this question, and what to do with it. I have a big maths internal assessment tomorrow so someone please help me quick!
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10/27/18

The quadratic equation x^2 + mx + n = 0 has roots that are twice those of x^2 + px + m = 0 and none of m, n, and p is zero. What is the value of n/p?
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10/25/18

inequalities in two variables and system inequalities
{2x+3y<6{3x-2y>-6
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10/24/18

help on a question
The point P is on the unit circle. If the y-coordinate of P is 23, and P is in quadrant II , then
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10/24/18

Find the value of k so that one of the solutions of kx^2-3x+10 = 0 is twice the other
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