03/01/15

heigth of a weather balloon
2 weather observation stations are 7 miles apart. A weather balloon is located between the stations. From station 1, the angle of elevation to the weather baloon is 33 degrees. from station 2, the... more
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03/01/15

the exact value of cot(-270) is....
.................................
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03/01/15

What is the distance between overlapping circle centers given diameters and area of overlap?
Two circles overlap.  The area defined by their overlap is 80.42 sq.in..  One of the circles is 24" in diameter, the smaller is 20" in diameter.  Find the distance between the centers of the circles.
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03/01/15

true or false, For a population with a mean of 80 and a standard deviation of 10, only 2.28 percent of the scores are greater than X = 100. True
Social Statistics   
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03/01/15

the half life of iodine is 8 days. A 12 unit treatment is admistered.. How much iodineis left in the patient after 24 days?
Formula: y=A(1-r)^n where a is amount, r is rare and n is time.
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03/01/15

what is the answer to this please answer asap
I have tried to find out for 3 days what the answer is to this I cant find it what is the answer and how did you get it so I can do it the same way in the future     Allison buys a case of water... more
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03/01/15

Population growth
The population of a colony of mosquitoes obeys the law of uninhabited growth. If there are 1000 mosquitoes initially and there are 1800 after 1 day what is the size of the colony after 3 days? How... more
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03/01/15

Story problem HELP
timmy makes jewelry. he has 94 ounces of gold and makes either earing or 7 ounce rings. if he manufactures 80 ounces of earrings? what is the most amount of tings timmy can make
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03/01/15

A students loan was for 4200 dollars. A loan was obtained for 5/7 of the tuition. How much was the loan
A students loan was for 4200 dollars. A loan was obtained for 5/7 of the tuition. How much was the loan
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03/01/15

describe a write all steps to the solution in sentences:
 larry has a propane tank in the shape of a cylinder with a hemisphere on each end, the total length of the tank is 16 feet. the width of the tank is 6 feet. he intends to paint the outside of the... more
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03/01/15

SIMPLIFY SIN 60
HOW TO SIMPLIFY TRIGONOMETRIC FUNCTIONS
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03/01/15

I need help with this dosage by weight question.
Diuril (chlorothiazide) 20 mg/kg/day in two divided doses has ben prescribed for a child who weighs 34 kilograms. The label reads 250 mg/5 mL. How many milliliter will you administer for each... more
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02/28/15

what are the cube roots of 8(cos pi/3 + i sin pi/3)
I dont understand how to solve the problem
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02/28/15

how long must they work to paint the fence?
It takes Ralph 7 hours to paint a fence alone. Lisa can do the same job in 11 hours. If Ralph paints alone for 15 minutes before Lisa begins helping, how long must they work together to finish... more
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02/28/15

You have two planes that need refueling.One plane that can carry fuel has a hose that is 160 feet long.The angle of elevation
You have two planes that need refueling. One plane that can carry fuel has a hose that is 160 feet long. The angle of elevation between the plane being refueled and the hose is 32 degrees. Find the... more
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02/28/15

a farmhouse shelters 23 animals.smeared pigs and some are chickens.Alltogther there are 80 legs.how meny of each animal are there?
Please help
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02/28/15

A spinner has 5 equal sections. Find the z-score of getting 127 4's in 700 spins.
how do you solve this problem?
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02/28/15

400gm solution has 40% salt in it. How much salt must be added to make it 50% in the solution?
400gm solution has 40% salt in it. How much salt must be added to make it 50% in the solution?
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02/27/15

How do I solve this problem?
Your school is holding a fete this weekend. students have been pre-selling tickets; adult tickets are $5.00, and child tickets (six years old and under) are $2.50. from past experience, you expect... more
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02/27/15

A website gets 120 visitors on the first day. The visitors double every 4 days. Write a function comparing the number of visitors and the days...
A website gets 120 visitors on the first day. The visitors double every 4 days. Write a function comparing the number of visitors and the days...
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02/27/15

missing parts
FInd the missing parts of the triangle   B= 12.6 degrees b- 15.74 a= 17.35
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02/26/15

The names of 10 men and 7 women are entered in a sweepstakes drawing. Two names are drawn at random in succession.
The names of 10 men and 7 women are entered in a sweepstakes drawing. Two names are drawn at random in succession. What is the probability the: A) first name is a man's and the second is a... more
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02/26/15

college Algebra
Find the inverse function of the function: F(x)= 3x-2
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02/26/15

write the complex number in polar form with argument theta between 0 and 2pi. sqrt of 3 +i
write the complex number in polar form with argument theta between 0 and 2pi. sqrt of 3 +i
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02/26/15

why can a rectangle be a rhumbus
 i need to know for homework
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