02/26/15

145 members. Part of the group helps clean. The other part of the group tutors. 20 more members clean than tutor after school.
Equatioms must be made for this word problem! Thank You ?? 
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02/26/15

how do I find the ratio x:y.
Ratio x:y.
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02/25/15

Suppose a radio costs $575 when new and is expected to be worth $70 after 5 years. What will it be worth after 3 years?
Suppose a radio costs $575 when new and is expected to be worth $70 after 5 years. What will it be worth after 3 years?
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02/25/15

In how many possible ways can the selection be made so that the value of the coins is at least 25 cents?
you are selecting three (3) coins, but assume that there are 5 dimes, 3 nickels, and 2 quarters. In how many possible ways can the selection be made so that the value of the coins is at least 25... more
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02/25/15

Simplify a word problem
Five people ordered pizzas for x dollars.  Two also ordered salads for $6.  The next two people ordered breadsticks for $5.  Write and simplify an expression showing the total amount of money spent.
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02/25/15

Let a = the sum of the first five non-negative integral powers of 2.
Let b = the sum of the first three prime numbers. Let c = the fifth prime number. Find abc.
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02/25/15

The sum of the digits of a two digit number is 11. The ones digits is 5 more than twice the tens digit. What is the number?
 Please help me by showing your work as well. Thanks  
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02/24/15

solve 0.7x-2<5.5 and graph the solution on a number line.
How do I solve 0.7x-2<5.5 and graphics it on an number line. We are learning about Word problems Leading to Inequalities. But I honestly don't know how to solve this correctly. What are the... more
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02/24/15

Here is my question
Sal's Packages on the Go mail 6 packages with a mean weight of 7.1 pounds. Suppose the mean weight of five of these pakcages is 6.3. What is the weight of the 6th package?
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02/24/15

OR Probabilities from a Table
The table below shows which hand is favored by each of 100 people (50 men and 50 women). Use the information in the table to determine the probability that someone selected randomly from the group... more
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02/24/15

Investment rate
how many years will it take for an initial investment of $40,000 to grow to $60,000? Assume a rate of interest of 19% compounded continuously.
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02/24/15

1 and 1 Free Throw Probability
Suppose a women’s college basketball player is fouled in a one-and-one situation (meaning she is awarded two free throws only if she makes her first one and awarded one point for each shot made).... more
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02/24/15

the sum of two numbers is 130. if four times the smaller number is subtracted from the larger number, the result is 10. find the two numbers.
find the two numbers.
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02/24/15

Approximately 2.5% of the bags collected would contain more than ___ Pints?
After a blood drive, the volumes of 440 bags of blood are measured. They are found to have a mean volume of 1 pint within standard deviation of 0.05. Approximately 2.5% of the bags collected would... more
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02/24/15

algebra word problems
larry mitchell invested part of his 27000, advance to 3% annual simple interest and the rest at 9% annual simple interest. If his total yearly interest from both accounts was $1,770 find the amount... more
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02/24/15

select the appromimate values of x that are solutions to f(x) = 0 where f(x) = -4x^2 +2x+8
please help with equation and provide a step by step if possible
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02/23/15

Use triangle XYZ below to answer the following questions. X(40,0) Y(30,40) Z(50,45) determine the perimiter of triangle XYZ.
I don't understand how to solve this problem. if you graph the triangle on the graph, its a little slanted, and that's whats throwing me off. i need the answer to this problem ASAP!! please, and... more
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02/23/15

At the surface of the ocean, the water pressure is the same as the air pressure above the water... find equation; when depth is 120
At the surface of the ocean, the water pressure is the same as the air pressure above the water, about 15 lb/in^2, Below the surface the water pressure increases by about 4.44 lb/in^2 for every 10... more
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02/23/15

what is the domain and range of the linear and quadratic equation?
Linear : Y=5X+7   Quadratic : X²-4X-5
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02/23/15

a jug can hold (6p+8) quarts more than a pl container. 2 jugs and 2 pl container = 56p quarts. In terms of p, how much water can the plastic container hold?
a jug can hold (6p+8) quarts more than a plastic container. 2 jugs and 2 pl container = 56p quarts. In terms of p, how much water can the plastic container hold?
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02/23/15

The company producing the hats will charge the band $240 for the design and set-up costs,plus $8 per hat. They will sell them for $12 each
 I also need to set up an equation for this scenario. Someone please help !
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02/23/15

How many different amounts of money can be created from one dime, three nickels, and two quarters?
 This is math bowl 2003 5th grade team. I need help immedietly. Thx
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02/23/15

Zoey inflated 24 balloons. If Zoey inflated 15% of the balloons that are inflated, how many balloons are there in total?
 Zoey inflated 24 balloons. If Zoey inflated 15% of the balloons that are inflated, how many balloons are there in total? 
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02/23/15

If the mean temperature yesterday was 20 degrees and the low temperature was 15 degrees, what was yesterday's high
If the mean temperature yesterday was 20 degrees and the low temperature was 15 degrees, what was yesterday's high
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02/23/15

ken spend 1/5 of his money on a dictionary. he gives his brother $21 and he has 1/2 left. how much money does ken have left
ken spends 1/5 of him money on a dictionary. he gives his brother $21 and he has 1/2 left.  How much money does ken have left
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