04/26/16

the sum of the ages of three Romano brothers is 63. if their ages can be represented as consecutive integers, what is the age of the middle brother?
consecutive integers are integers that follow each other in order.
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04/26/16

how many balls would you need to pick out of the box to be sure you get two blue balls
suppose you have 7 red balls and 12 blue balls in a box.  without looking, how many balls would you need to pick out of the box to be sure you get two blue balls
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04/26/16

One number is 7 more than another. The difference between their squares is 175. What are the numbers?
I need to know the answer to this problem. I have no clue what I am doing.
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04/25/16

A five-digit number is formed by using each of the digits 1, 2, 3, 4, and 5 exactly once. How many five-digit numbers formed this way are divisible by 12?
A hint was given. Use the fact that for a given number to be divisible by 3, it suffices for the sum of its digits to be divisible by 3.
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04/25/16

The surface area of a square pyramid is 85 square meters. The base length is 5 meters. What is the slant height?
I was given the problem for math and don't know what the answer is. Please help and explain. 
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04/24/16

problem solving
I don't know how to set up this problem.      A family goes on vacation to a water park. During the drive to the water park the weather caused the family to average 44 miles per hours. After... more
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04/21/16

The volume of a particular rock is 30 cm cubed. If its mass is 120 grams, what is its density?
  What would happen to the density if you increased the mass of the rock in the question above? What would happen to the density if you increased the volume?   If you could explain about density... more
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04/21/16

pre calculus! in need of help asap! thanks!
I understand how to do these type of questions in sin, cos, and tan but don't know how to do these..   Without the use of the calculator determine the exact value of each trigonometric... more
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04/21/16

The sum of three consecutive integers is -9. Find the integers.
I am trying t find ingtegers of numbers
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04/21/16

A road map has a scale of 3/10 inches for every 75 miles. How many inches would be needed to represent 750 miles on the map
3/10 is a fraction 
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04/21/16

What would the formula for this problem look like?
If a rectangular prism with a top, a bottom, and 4 sides is W feet wide, L feet long, and h feet tall, then what is the surface area of the prism? what would the formal for this problem look like?
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04/21/16

A pool can be filled by one pipe in 4 hours and by a second pipe in 6 hours. How long will it take using both pipes to fill the pool?
A pool can be filled by one pipe in 4 hours and by a second pipe in 6 hours. How long will it take using both pipes to fill the pool?
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04/21/16

word problem
The difference between two numbers is 27. Three times the smaller is equal to 7 more than the larger. What are the numbers?
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04/21/16

4,860 people visited a fair on Saturday. This was 20% more than the number of visitors on Friday. How many visitors were there on Friday?
The answer is 4,050.
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04/21/16

word problem
The difference between two numbers is 30. Three times the smaller is equal to 6 more than the larger. What are the numbers?
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04/21/16

Question #14
I am thinking of three consecutive integers. The square of the largest one equals the sum of the squares of the other two. FInd the integers. 
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04/21/16

A rectangle has an area of 12 square inches, and the rectangle's length is 11 inches greater than its width. what is the length and width?
i need to know the length and width 
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04/20/16

Find the value of two numbers if their sum is 9 and their difference is 1.
i have math homework and i cant figure out this question would someone please explain this to me
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04/20/16

Twice a first number decreased by a second is -7 .The first number increased by three times the second number is 7. Find the numbers.
I am having a hard time trying to resolve this math problem,I need help, I really don't understand this problem.
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04/19/16

What percent of away games did Sam win?
Sam plays baseball. Out of 80 games, he won 56. Half of the games played were home games. He won 85% of his home games. What percent of games did Sam win at away games?
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04/19/16

9ln9x=36 exact answer, approximate answer 4dp
show work
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04/19/16

log base m (1/m)
(hint: m is positive number)
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04/19/16

log square root of 100 + 3log cube root of 100
Evaluate the expression: A) 1/3  B) 3/10   C)5  D)3  
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04/18/16

during a test drive of 2? cars, 1 car travels 297 miles in the same time that the second car travels 225 miles. If the speed of 1 car is 1616 miles per hour fas
during a test drive of 2? cars, 1 car travels 297 miles in the same time that the second car travels 225 miles. If the speed of 1 car is 1616 miles per hour faster than the speed of the second? car... more
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04/17/16

Statistics
In a club there are 10 women and 7 men. A committee of 6 women and 4 men is to be chosen. How many different possibilities are there?
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