05/01/17

100 possible points each week, week 6 avg. is 78%, what is lowest score student must get for next three weeks of 9 week period in order to raise score to 84%
Mrs Cooley gives 100 points each week during a nine week grading period. At the end of the sixth week, Carlos has a 78% average. What is the lowest average score he can receive each week during the... more
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05/01/17

What is the minimum score required for the scholarship?
Suppose ACT Reading scores are normally distributed with a mean of 21.4 and a standard deviation of 6.4. A university plans to award scholarships to students whose scores are in the top 7%. What is... more
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05/01/17

In a quiz of 20 Questions, 6 points were awarded for each correct answer and 2 points deducted for wach wrong one. Jim answered all questions and scored 88
In a quiz of 20 Questions, 6 points were awarded for each correct answer and 2 points deducted for wach wrong one. Jim answered all questions and scored 88 points, How many questions did jack... more
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05/01/17

Given: p: x – 5 =10 q: 4x + 1 = 61 Which is the inverse of p → q?
this is a easy question
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05/01/17

Factoring an advanced fraction
x^2+10x over 8 = -2  *to solve, use factoring method
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04/30/17

if you invested a penny on January 1, 1776 at 10% interest compounded daily, how much would you have on January 1, 2011
This is for an Algebra 1 class you if you could answer this using that kind of criteria that would be great.
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04/30/17

whats the probability of selecting 5 numbers without replacement from 1-20 that are single digit values.
find the probability of each event as a percent. Show the method to your solution.
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04/30/17

3/7 * 15/12
how would I solve the fraction 3/7 * 15/12 when I mulitplied straight across then I got 45/84
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04/30/17

10sqrt(3)cis4pi/3
must be in a+bi form as answer
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04/30/17

Long Exponential problem
2^5 * 5^22 - 2 * 5^21 ---------------------------              25^10    You have to solve by factoring
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04/30/17

Word Problem on Volume
A tank, when completely filled, can hold 372 liters of water.  Water from a tap flows into the tank at a constant rate of 16 liters per minute.  There is a hole at the bottom of the tank and the... more
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04/29/17

From the year 2000 (t = 0), the population of a certain country doubled every 4 years and grew per the exponential model A = Aoe^kt.

Using the equation A=Aoe^kt   a) If the population was 500 in the year 2000, what was the population in 2004? b) Use the information is part a) to find k (the growth constant) c) What is the... more
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04/29/17

Write the function rule g(x) for the given transformation of f(x) = 3x. reflection in the y-axis g(x) = ?
 i need help  
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04/29/17

What would a ball of cork 1 meter in diameter weigh if it was made of the same type of cork that is used in wine bottles?
A wine bottle cork has a diameter of 2 cm, a length of 4 cm, and a weight of 5.57grams.
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04/29/17

A rectangle sheet of cardboard measures 30 cm x 20 cm to form the net of an open box a 5 cm² is cut f
A rectangle sheet of cardboard measures 30 cm x 20 cm to form the net of an open box a 5 cm² is cut from each of the four corners of the cardboard what will be the volume of the box made
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04/29/17

A banner is made of a square and a semicircle
A banner is made of a square and a semicircle.The square has side lengths of 26 inches.One side of the square is also the diameter of the semicircle. What is the total area of the banner
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04/29/17

how do i find the exact value of 5log5(2k), where k is a positive constant
would like help to figure out how to do this type of math problem. Im just trying to brush up on math so i can start college back up.
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04/29/17

maria grows several varieties of plants in a rectangular-shaped garden. she uses fencing to divide the garden into 16 squares that are each 1m by 1m.
she also puts fencing around the perimeter of the garden. what number represents the smallest amount of fencing that maria needs
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04/29/17

direct variations
5x = -3y find the constant of variation
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04/29/17

which dimensions produce the smallest perimeter for a rectangular area.
a rectangular area of 120m^2 
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04/29/17

the distance covered in 5 laps of a circular track is 400π meters.
what is the shortest distance between any point on the track and the center
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04/29/17

y intercepts of polynomials
The polynomial of degree 3, P(x), has a root of multiplicity 2 at x=2 and a root of multiplicity 1 at x=−1. The y-intercept is y=−2.8; Find a formula for P(x).   The polynomial is (x-2)^2(x+1)... more
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04/28/17

exponential exquations/log equation
Solve the given equation for x. (1/7)^x=2   I changed this to the log form   log(1/7)2=x   and then got the answer −1.69019608   this however is the wrong answer, the answer that I should... more
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04/28/17

to release water from a lake at a rate that would empty the lake in 10 weeks, but a river that can fill the lake in 25 weeks is filling the lake at the same tim
Express your answer as a fraction reduced to lowest terms, if needed.
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04/28/17

a plane is 500 miles west of city A and is flying west at 500 mph. how long will it take for the plane to be 2375 miles west of city A
a plane is 500 miles west of city A and is flying west at 500 mph. how long will it take for the plane to be 2375 miles west of city A?
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