1,090 Answered Questions for the topic Math Equations
11/08/14
3 x square root of 27 = 3^n
3 x square root of 27 = 3^n
Find the value of n.
Please explain how to answer this question. Thank you :)
P.S. How do you insert a square root symbol (so as to make asking questions like...
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Math Equations Math
11/06/14
How many solutions does the system have? y = –2x + 2 y = x^2 – 2x + 4
I need help please..........................................
Math Equations Probability
11/05/14
You have a bag with three red marbles, two green marbles, and four blue marbles What is the probability of picking a blue or green marble?
i dont know how to answer this need help
Math Equations
11/05/14
what is 5/2 divided by 5/8 in simplest form
I want to divide candy for friends.
11/05/14
math problem
at 1:00 pm ,the boat on a river passes a point that is 3 miles from a lodge. At 5:30, the boat passes a point that is 8 miles from the lodge. Graph the line that represents the boat's distance from...
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Math Equations
11/02/14
Write the algebracic equation needed to determine when the company will break even
a greeting card company can sell cards for $2.75 each, so the revenue can be calculated using the formula R=2.75x The companys total cost of a fixed overhead of $12,000 plus 35 cents per card, so...
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10/30/14
A local lumberyard takes in $24,000 in a 12 hour period. Write a direct variation equation between the income and the number of hours.
Variation word problem for my class.
10/29/14
How much interest is earned in 10 years invested on $5,000 invested at an interest rate of 7% per year?
Another problem that I am having difficulty solving.
10/29/14
Kira owes the bank some money at 6% per year. After one year, she paid $80 in interest. How much money does she still owe to the bank?
Just a math problem that I have been stuck on for a while.
Math Equations Word Problems
10/26/14
If a person travels 55 miles per hour, how long will it take to travel from one town to the other?
On a map with a scale of 1 inch + 100 miles, the distance between two cities is 7.5 inches. If a person travels 55 miles per hour, how long will it take to travel from one town to the other?
10/23/14
A Web music store offers two versions of a popular song. The size of the standard version is
A Web music store offers two versions of a popular song. The size of the standard version is 2.8 megabytes (MB). The size of the high-quality version is 4.4 MB. Yesterday, there were 910 downloads...
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Math Equations
10/22/14
x is an integer and 9 < x2 < 99. What is the maximum value of x minus the minimum value of x?
x is an integer and 9 < x2 < 99. What is the maximum value of x minus the minimum value of x?
Math Equations
10/16/14
labor cost
Mark and Rachel work for a landscaping company. Mark can finish a planting job in 3 hours and Rachel can finish the job in 4 hours. if they work together on the job and the cost of labor is 40...
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10/15/14
Algebra word problem help
David's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs David $5.75per pound, and type B coffee costs $4.45per pound. This month, David made 176 pounds of...
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Math Equations
10/13/14
there are 2 numbers whose sum is 50. Three times the first is 5 more than twice the second. What is the smaller number?
It is a word problem that is confusing me and my friends and we dont understand it. Please help thanks.
10/12/14
The Inverse Square Law of Light states that the luminosity of a light source varies inversely..
The Inverse Square Law of Light states that the luminosity of a light source varies inversely to the square of the distance from the light source. When a light meter is 7 feet away from a light...
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10/12/14
If a computer prints 21.9 lines in 12 seconds, how many lines can it print per minute? (Round to the nearest tenth.)
If a computer prints 21.9 lines in 12 seconds, how many lines can it print per minute? (Round to the nearest tenth.)
Math Equations
10/11/14
The Green neon lights flashes every 12 seconds, the red every 7 seconds, the blue every 5 seconds. If all the lights flash together at 8:00 P.M.,
then after how many minutes will they flash together again?
Answer this ASAP. Thanks :)) with Solution and Answer.
Math Equations
10/07/14
for what numbers of night and weekend minutes does the second company's plan cost more that the first company's plan?
math word problem
Math Equations
10/06/14
an equation of a line passing through the points (1,2) and (3,-2)
a, y= 1/2x+4 or b, y=2(x+2) or c, y/2=x+4 or d, y-x/2=8
Math Equations
10/06/14
X divided by 6 subtract 20 equals negative 19 what is x?
X divided by 6 subtract 20 equals -19 what is x? I am looking for the answer & I want to understand how to get the answer I'm really terrible when it comes to math & equations >.<
Math Equations
10/04/14
What is the equation of the line that passes through the points (–2, 2) and (0, 5)? A. y=–3/2x+5 C. y=x+5 B. y=3/2x+5 D. y=x–5
i am stuck
Math Equations
10/02/14
how much must be invested today at an annual rate of 3% to yield $80,000 at the end of 15 years
how much must be invested today at an annual rate of 3% to yield $80,000 at the end of 15 years
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