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Question 33408: The apothem of a regular polygon is the perpendicular distance from the center of the polygon to a side. The area, A, of a regular polygon varies jointly as the apothem, a, and the perimeter,p. A regular triangle with an apothem of 3 inches and a perimeter of 31.2 inches has an area of 46.8 square inches.
Find the constant variation
Write a joint variation equation
Find the area of a regular triangle with an apothem of 2.3 inches and a perimeter of 12 inches.

Click here to see answer by Earlsdon(4900)

Question 33511: find the value of each expression
4!/3!1! X 9!/5!4!

Click here to see answer by Nate(3495)

Question 33511: find the value of each expression
4!/3!1! X 9!/5!4!

Click here to see answer by checkley71(8405)

Question 33521: What is sine of 4theta when it equals radical 3 divided by 2?
Click here to see answer by venugopalramana(3286)

Question 33563: 1. solve for n: 32n-256=-144
2. solve for x: -3x+198=-303
3. If each school bus carries most 20 students, and the school used 5 busess ;last Monday, then which statements shows how many (n) students cam to school by bus?
a. n~<100 b. n=100 c.N>100 d. n<100
4. Don checked the thermometer in his art studio. It read 68 degrees.
What is the temperature in degrees celsius?
Click here to see answer by Nate(3495)

Question 33176: I HAVE A FEW QUESTION I AM STUDING FOR A TEST AND NEED TO KNOW HOW TO DO THESES KIND OF PROBLEMS. HOPE YOU CAN HELP.
1.FIND THE CIRCUMFERENCE WHOSE DIAMETER IS 28MM
2. FIND THE TOTAL AREA OF THE OUTSIDE SURFSCE OF A CYLINDER 54CM IN DIAMETER AND 75 IN HEIGHT.
3. FIND THE VOLUME OF A RECTANGLE SOILD 6.9 M LONG 1.8 M WIDE AND 4.7M HIGH
4. VOLUME OF A CYLINDER WITH A DIAMETER 70FT AND A HEIGHT OF 46FT
5. FIND THE VOLUME OF A CONE 14IN IN DIAMETER AND 10 IN HIGH
6. WHAT IS THE VOLUME OF A SPHERE WHOSE DIAMETER IS 84 CM

THANKS FOR ALL YOU HELP

Click here to see answer by sarah_adam(201)

Question 33665: in our class for algebra 2 we are working on probablity and also permutations and combinations.
a test contains 20 questions. the teacher asks you to answer 15 questions. How many different ways can you answer 15 questions.
Click here to see answer by stanbon(26271)

Question 33697:

how many different ways can you write the following using 

probability, permutations or combinations

a⁴b²c⁵d

Click here to see answer by AnlytcPhil(958)

Question 34170: When working alone, Gail can finish her paper route in 6 hours. When Mike subsitutes for her, he can complete the job in 9 hours. If they work together, how long should it take them?
Click here to see answer by venugopalramana(3286)

Question 34171: Solve by completing the square: x^2 + 8x-3 = 0

Click here to see answer by Cintchr(475)

Question 34178: when using the quadratic formula to solve , what is the value of A?
Click here to see answer by longjonsilver(2297)

Question 25498: Randall and Amyra left school at the same time and began walking in opposite directions. Randall walked at a rate of 3.6 mph and amyra walked at a rate of 4.2 mph. How far apart were the after 10 minutes
Click here to see answer by stanbon(26271)

Question 34327: when working alone, Gail can finish her paper route in 6hrs. When Mike substitutes for her, he can complete the job in 9 hrs. If they work together, how long should it take them ?
I dont quite get what does "paper route" mean? what is that?
Click here to see answer by venugopalramana(3286)

Question 34302: A rock is thrown from the top of a tall building. The distance D, in feet, between the rock and the ground T seconds after it is thrown is given by . How long after the rock is thrown is it 320 feet from the ground?
Click here to see answer by checkley71(8405)

Question 34445: When using the quadratic formula to solve , what is the value of A?
Click here to see answer by Earlsdon(4900)

Question 35137: How many different ways can 13 different runners finish first, second and third place in a race? How can you solve this equation when in class we are working on permutaions and combinations as well as probabitly.
Click here to see answer by checkley71(8405)

Question 35138: Two urns each contain blue and green balls. The first urn has 2 blue and 3 green. The second urn has 2 blue and 5 green. What is the probaility that both balls will be green? I can't figure out fraction problems.
Click here to see answer by longjonsilver(2297)

Question 35139: Find the probability of spinning a number on a spinner that the number with be even or a mulitple of 3. The spinner contains numbers 1 to 8. All sections equally divided.
Click here to see answer by checkley71(8405)

Question 35136: A state lottery consists of drawing 4 numbers from the first 40 positive intergers. Find the probabilty of winning the lottery? I seriously am stunned by this question. I tried to understand it but it made no sense to me. How do you solve this?
Click here to see answer by longjonsilver(2297)

Question 35141: 4 people are in the math club. How many 2 person teams can be formed from the 4
Click here to see answer by usyim88hk(157)

Question 35146: What is the probailty of randomly drawing a card with a 1 and spinning a spinner and it landing on a 4. The cards are numbered 0 to 7 while the spinner is numbered 0 to 5
Click here to see answer by checkley71(8405)

Question 35214: topic: Descarte's rule of signs
use Descartes rule of signs to determine the possible numbers of positive and negative zeros of the following functions:
1) f(x)=5x^3+3x^2-6x+9
2) f(x)=-2x^5+4x^3-2x^2-5
Click here to see answer by venugopalramana(3286)

Question 35135: A cafe server has a variety of stuffed potatoes. There are 3 types of potatoes to chose from: rusket, white and red. There are four different fillers. How many different varieties of stuffed potatoes can you chose from. In class we are working on permutations and combinations. How can you solve this.
Click here to see answer by longjonsilver(2297)

Question 35133: We are working on combinations and permutaions which involve factorials most of the time.
How many 4 letter combinations can be made from the letters f,g,h,i,j & k. No letters can repeat themselves and the letter do not have to form a word. How do you solve this?
Click here to see answer by venugopalramana(3286)

Question 35749: Solution A is 20% alcohol, and solution B is 70% alcohol. How much of each is needed to make 50 literse of a solution that is 60% alcohol?
Click here to see answer by venugopalramana(3286)

Question 35748: In a right triangle, the legs are 3 and 3 sqrt3. Find the length of the hypotenuse.
Click here to see answer by venugopalramana(3286)

Question 35730: A cyclist bikes 12 miles due west of her house before changing direction. She travels north an additional 16 miles. If she bikes home on the most direct path back to her house, how many miles must she travel?
Click here to see answer by venugopalramana(3286)

Question 35729: A cyclist bikes 12 miles due west of her house before changing direction. She travels north an additional 16 miles. If she bikes home on the most direct path back to her house, how many miles must she travel?
Click here to see answer by venugopalramana(3286)

Question 35930: I'v etried everything to sole this but for some resason I just can't seem to get it. I would really apperciate some help with this one! Thank you!
135x2 - 222x + 91
Click here to see answer by rapaljer(3620)

Question 35945: well my question is more like a refreshment for the brain... if my problem is
2/3 : 5/8 = ....... well if i'm not mistaking i have to cross multiply ?? so i would realy apreciate it if you could take the time to give me some Brain food i'd be very greatfull.. thank you Aldrcih
Click here to see answer by rapaljer(3620)

Question 36131: Write an explicit formula for the nth term of each arithmetic sequence
6,8,10,12,14.....
Click here to see answer by stanbon(26271)

Question 36132: Find the three arithmetic means between 18 and -10
Click here to see answer by stanbon(26271)

Question 36132: Find the three arithmetic means between 18 and -10
Click here to see answer by rapaljer(3620)

Question 36128: List the first four terms of each arithmetic sequence
tn= -3+ (n-1)(5)
Click here to see answer by stanbon(26271)

Question 36076This question is from textbook Algebra 2
: A paleontonlogist finds a bone that has 25% of the amount of carbon-14 found in living b tissue. How old is the bone?This question is from textbook Algebra 2

Click here to see answer by stanbon(26271)

Question 36173: A phone company charges $1.00 for the first three minutes of a long-distance call and $0.30 each for additional minute. A 4% federal tax is then added to the coast of the call. Find the total cost of a 23 minute call.
Click here to see answer by checkley71(8405)

Question 36176: Suppose W varies directly as x and y and inversely as Z, and W=48 when X=2, Y=8 and Z=12. Find W when X=12, Y=6 and Z=24.
Click here to see answer by kev82(145)

Question 36749:
Click here to see answer by Cintchr(475)

Question 36751: solve using the quadratic formula

Click here to see answer by Cintchr(475)

Question 36753: solve using quadratic formula

Click here to see answer by stanbon(26271)

Question 36857: can anyone tell me how to graph an equation, for example like
y = 2x + 2
Click here to see answer by checkley71(8405)

Question 37219This question is from textbook

: In a town election, the winning candidate had 220 more votes
than the loser. If 810 votes were cast in all, how many votes did each candidate receive?This question is from textbook

Click here to see answer by Nate(3495)

Question 37520: Can you help me find the linear equation and solution to this problem?
A river has a current of 2mph. Find the speed of Leroy's boat in still water if it goes 30 miles downstream in the same time it takes to go 18 miles upstream.
Thanks
Alan
Click here to see answer by josmiceli(3007)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890