Please help me with my math

Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels 12 miles per hour faster than the westbound train. If the two trains are 340 miles... more

how many children and how many adults attended

The admission fee at a small fair is 2.00 for children and 3.50 for adults.on a certain day 775 people enter the fair and 2225 is collected.how many children and how many adults attended   

09/04/16

Skye makes a profit of 68$ per basket and her expenses are $2.50 per basket. how much does she charge a customer for 3 baskets?

Skye sells baskets that she weaves from sweet grass. She makes a profit of 68$ per basket and her expenses are $2.50 per basket. how much does she charge a customer for 3 baskets?

09/02/16

finding amplitude and period based off of a function.

The desert temperature, H, oscillates daily between 34ºF at 5am and 74ºF at 5pm. Write a possible formula for H, measured in hours from 5am. Use the form H = Acos(Bt) + C. so I... more

Is the compound interest formula--such as would be used to calculate a car loan - -an example of a function?

Is the compound interest formula--such as would be used to calculate a car loan - -an example of a function?   can you show an example.

09/01/16

Which of the following is an integer but not a whole number?

A.-9.6 B.-4 C.0 D.3.7

09/01/16

How much pure acid should be mixed with 2 gallons of a 70% acid solution to get a 90% acid solution?

uhh, its a word problem that i cannot solve and i was looking for additional help to get me through this and complete it as well as learning a way to complete problems similar to this one in the... more

How many shirts did they have at first?

A store has some shirts on a rack. By 12:00, half of them were gone. Then another forth of that was gone by 3:00. Now there are 12 shirts left. How many shirts were there at first?

09/01/16

Math question

Mark works strictly on commission of his gross sales from selling two different products for his company. Last month, his gross sales were $90,000. If he earns 6% commission on product A and 3%... more

08/30/16

Write an equation for each situation. Then use the equation to solve the problem

Sierra has a total of 61 dimes and quarters in her piggyback. She has 3 more quarters than dimes. The coins have a total value of $10.90. How many dimes and how many quarters does she have 

Scientific notation fraction with multiplication,division and subtraction

(2.24x10-3) * (5.464x104) / (1.0 *102) —(0.200)   Hi, whats confusing me is how do I subtract the 0.200 from the scientific notation.

ratio to fraction

Express each ratio as a fraction in lowest terms.1) 7 goals in 35 attempts:

08/26/16

Profit and loss

can anybody tell me why my answer is not matching in this way. Q. For an item the profit is 40% when the discount is 30%. What is the profit when the discount is 40%.   my method:  100 be the... more

08/26/16

caculate the density of a material that has a mass of 52.457 g and a volume of 13.5cm^3

whats the density of this word problem ?    

08/26/16

The mesoderm develops into

A. Pituitary gland B. Reproductive system C. Skin D. Pancreas   My ans is C.  Isn't it mesoderm is middle layer? But looking at these choices i think C. is best ans.  If anyone can explain... more

08/25/16

Story of ratios

You and your friends go to the movies the cost of admission is $9.50 per person create a table showing the relationship between the number of people going to the movies and the total cost of... more

08/25/16

I can't figure this out

A business owner has two loans totaling $25,000. The simple interest rates are 7% and 8.5%. If the annual interest charge on the 7% loan is $520 more than on the 8.5% loan, how much did he borrow... more

08/25/16

6^6÷2(3)+4

The 6 is an exponet

Decimal Oerations

At the lumberyard, lumber costs $0.95 a foot. If you need 6.5 feet, how much will you pay?

08/24/16

writing equations

Residents of the town of Maple Grove who are connected to the municipal water supply are billed a fixed amount yearly plus a charge for each cubic foot of water used. A household using 1000 cubic... more

Divide - Show Work

(16x^3+8x^2+16x) / 8x^3   The answer is 2 + 1/x + 2/x^2   But I got x^4(2x^2 + x + 2) My answer is wrong, help me get the previous answer

which mapping diagram shows the relation {(3,-1),(6,4),(8,4)}

which mapping diagram shows the relation {(3,-1),(6,4),(8,4)}

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