Math(Please help)

183,433 results, page 69

Math-Needing Help Quick!

When Beth finishes college, she has a balance or $2876.37 on a credit card with an annual percentage rate (APR) or 17.3%. She decides to not make any additional purchases with her card until she has paid off the balance. Assuming the minimum payment is 2% of the balance, find ...

math

if 0< theta < 90 and tan theta equals pie3/2, find cos theta.i put 2/pie 7 but i was wrong please correct.

math

Find the appropriate cost function in each case: Fixed cost, $200; 50 items cost $2000 to produce. help me please! ty!!

MATH HELP

You have 33 dogs and 4 kennels. Divide the dogs up evenly so the same number of dogs is in each kennel. Help please. Not how to work it out. Thank you.

Math

Melvin estimate 645 + 322 by adding 600 + 300. Is his estimate sum an over or under estimate please? Ty

7th grade math

What feature of a cylinder uses the given units? a. centimeter b. square centimeter c. cubic centimeter Please help! Thank you!

math

how do i solve for x when x = log(32.5)? here's my work: log x = y 10^y = x then, x = log (32.5) 10^x = 32.5 10^x = 17/2 this is where i get stuck... i don't know how to get rid of the bases... can some one please teach me how? thank you! :)

math

Solve the proportion using cross products. 20 Miles 15 Miles ________ = __________ 50 Miles h Hours Please Answer!!!!

Math

18 play baseball, 17 play basketball, 30 play neither or both. I'm trying to make a Venn diagram but don't understand how. Please help!

math (please help!)

What is the sum of all the constants k such that |x^2−169|−x−k=0 has three distinct real roots?

Math

Find the intersection of two lines. i have the answer just please tell me how it was made 4x-3y-4=0 , 4x+2y+5=0 -5y/-5 = 9/-5 y= 9/5 4x-3(-9/5)-4=0 5(4x+27/5-4=0) 20x+27-20=0 20x+7=0 20x/20=-7/20 x=-7/20 (-7/20, -9/5

Math 222

Please help me solve this system of equations? Sorry addition/equal key is not working. -2x plus 9y equal 3 -3x-4y equal 22

MATH - PLEASE HELP!!

The length of a rectangle is 3yd less than twice the width, and the area of the rectangle is 65ydsquare. Find the dimensions of the rectangle.

MATH - HELP PLEASE

The length of a rectangle is 3yd less than twice the width, and the area of the rectangle is 65ydsquare. Find the dimensions of the rectangle.

Precalculus(Please check and help)

Find the Equation. Please check the answers and help. Thanks! 1.) Ellipse with center (0,0), foci on x-axis; x intercepts; major axis of length 12, minor acis of length 8. I got : x^2/144 + y^2/64 = 1 2.) A parabola with vertex (0, 0) and focus (5, 0). I got : y^2 = 20x 3.) ...

question please help

I've tried to answer this question, but I don't know if its right. Identify cultural influences on foods eaten in the province of P.E.I. Potatoes raised in PEI show the influence of the Irish who settled in the region. ..thats all I got but I need more info on it. please help...

grade 10 science can anyone help me please

do you any websites that can explain the sesonal varities in cnadaina lakes more better, like when it's like 4 digrees somthing wierd happens, type layers are formed in winter..... i tried looking in the internet but couldn't find it. please help me.

Physics-please help!!!

A 190 g particle is released from rest at point A inside a smooth hemispherical bowl of radius 25.0 cm. Calculate the gravitational potential energy at A also, how do you find kinetic energy if you aren't given velocity? please help me! i would really appreciate it

SOC 101

Social settings of the different forms of social structure described by Durkheim, Tonnies, and Lenski is quite interesting. Please tell me the likes and differences of these sociologists. I cannot understand the extrememly complicated jargon while researching. Please help!

Law and Society

I need help with my commerce assignment concerning law. Please outline some possible options of resolving the following issue- recent shooting in Bondi in Sydney's east on 15th April 2011. (e.g. kinds of courts, etc.) PLEASE HELP!!!

Stress & Strain (Help Please)

A tie bar is made of a material having a tensile strength of 231 MPa and has to carry a load of 255 kN. What id the diameter of the bar if a factor of safety of 7 is applied? ANS = 99.2 mm Cannot figure out how to get the answer. Need help please. Thank you

Ratios and Rates - Last One!

Please help me with the following problem: Convert each rate using dimensional analysis. Round to the nearest tenth, if necessary. 4.5 qt / min = ____ gal / h A. 67.5 B. 33.8 C. 56.3 D. 65 I think the answer is A. Is this correct? Please help me by checking my answer. Any help...

Cultural Anthropology

What are two key differentiators about anthropology compared to psychology and Sociolog. I also need to provide examples, however my textbook is no help, can someone please give me some refrences to read over to answer this question please?

To those who post "life orientation"

Please note that the same questions have been posted for years, but not once has any student replied to a tutor's question or response. Please stop posting these "risk" and "delivery" and other repeated questions.

U,S, History (please help)

Who was responsible for writing the amendments that later became the bill of rights?? A) George Washington** B) Patrick Henry C) George Mason B) James Madison I think it's A, but I'm not sure, it would mean the world if someone could please check my answers

math

can some one please help me with the following questions as i don't understand them please (a) write down the derivative of each of the functions f(x)=E7x and g(x)=cos(2x) using the product rule differentiate the function k(x)=E7xcos(2x) (b)write down the derivative of each of...

Chemistry(Please check)

1) The Ka for acetic acid is 1.8e-5. What is the pH of a 3.18M solution of this acid? I did 1.8e-5 = x^2/3.18 x=sqrt 1.8e-5 X 3.18 = 7.56e-3 pH=-log(7.56e-3) = 2.12 The pH is 2.12 2) At 25 degrees celsius, the pH of a 1.75M NaCN solution (the Ka for HCN is 4.0e-10) is ? 4.0e-...

Math 8R: Operating w/ Sci.Notation HELP! (2ND QS)

Yellowstone National Park has an estimated 2.5 x 10 (to the 6th power) visitors each year. The Great Smoky Mountains National Park is the most visited of all the National parks, and it has approximately four times the amount of visitors annually that Yellowstone has. How many ...

math***help plz***

please help me with math. A car travels 132 miles using 4 gallons of gas.At that rate,how far can the car travel using 7 gallons of gas? A.231 miles B.264 miles C.134 miles D.1,260 miles

Math Check please

Will you please check my work for me. 1)The equation of a parabola is shown. y=1/14X^2. What are the coordinates of the focus? (0,3.5) <---- (0,-4) (0,7) (0,-3.5) 2)The equation x2 + (y + 3)2 = 36 models the boundary on a local map for which Darren can hear his friend Tom ...

drwls please check

Can you please check my physics posts. Thanks!

Please solve it for me!! Please...Maths

Solve for the value of x: 6log(x^2+1)-x=0

Algebra

X=1/2at^2 Solve for a Solve for t Can you please show me how to do this please Thank u

Algebra 1 Please Help

simplify (2√5+3√7)^2 step by step. please tell me how to do this

Spanish-Check please! I need help

Please check-I'm having a problem interpreting these questions and I have to answer them for homework. Could you please check my translation I'm not sure what these questions mean and I have to answer them for homework ¿Qué necesitas para comer en cereal?does this ask what I...

Math

If you are standing near the edge of the top of a 200 feet building and throw a ball vertically upward it will be modeled by the function s(t)=-16t^2+64t+200 where s(t) is the ball's height above ground in feet and t is seconds after the ball was thrown. A) When does the ball ...

Math

Quick survey assignment for math class regarding significant age gaps. Last minute assignment that requires me to collect raw data for the class, if anyone at all would be willing to spare a few moments to answer these questions, it would be greatly appreciated. Thank you ...

Math

Can someone please help me with this? I don't know how to simplify this. 7m^7n^4/8m divided by 9m^2n^9/5n^2 Put all your m's together,all your n's togehter and then it will continue getting simplified!hopE THAT HELPS! is this correct? 16m^9n^13/40mn^2

math check please

the ratio of 5 3/5 to 2 1/10 18/5 divid by 21/10 18/5 x 10/21 6/1 X 2/7 12/7=12:7 could some one tell me if this is correct ? yes. the ratio of 5 3/5 to 2 1/10 Would you take a look at this? I think 5 3/5 = 28/5 and not 18/5. how do you make a divide sighn on the computer?

math/ACT/algebra

If one side of a triangle is 10 inches long, which of the following could NOT be the lengths, in inches, of the other sides? A. 2 & 9 B. 3 & 5 C. 5& 10 D. 10 & 10 E. 10 & 12 I think it might be B but I don't know and I don't know how to figure the answer.. please help!

math/ACT/algebra

If one side of a triangle is 10 inches long, which of the following could NOT be the lengths, in inches, of the other sides? A. 2 & 9 B. 3 & 5 C. 5& 10 D. 10 & 10 E. 10 & 12 I think it might be B but I don't know and I don't know how to figure the answer.. please help!

Math

please explian thanks :) I need to know how to figure out .... A loan requires a 12% down payment and 24 equal monthly payments of $195.,what would the finance charge of the loan be

math PLEASE HELP

1. A rhombus has a perimeter of 96, and the length of one of its diagonals is 32. The area of the circle inscribed in the rhombus can be expressed as k*pi/w where k and w are relatively prime positive integers. Find the value of k + w.

math

Please help me How can I create a pie chart for the following information Branch Count Army 17 Navy 10 Air Force 4 Marines 6 Coast Guard 1 National Guard 2

math

the base of the pyramid of Khufu is a square with side 230m long. calculate the length of the diagonal of this square. too the nearest tenth of a meter. please Explain your answer...

Math

Two lengths are drawn from a Point P to a circle centre (o). The radius of the circle is 8.2cm and P is 12.4cm from o. Find the angle between the tangents. Please help, I really don't understand it.

math

How do i find the lateral area and the surface area of a rectangular prism with the height of 8.5" the width 4" the depth 3.25" I don't want you to do it for me i want to know what formula or how i start to solve for those two things please

math

An appliance dealer marks up refrigerators 15% (based on cost). If the cost of one model is $600, what should its selling price be? I'm not very good at percent please help

math help please

Solve the problem. A boat can go 33 mph in still water. It takes as long to go 300 miles upstream as it does to go downstream 360 miles. How fast is the current?

math

use the sum or difference identify to find the exact vlue of tan 105 degree.my ans.sqrt plus (3) plus 1 . wrong so can you correct it for me please thank you .

Math

I have no idea how to understand quantitative comparison questions which involves the understanding of arithmetic mean. I need to understand the question first to do the problem, please explain. Thank you

math

integral from 5 to 0 1/(4+x^2)^1/2 this is what i have so far 1/(sq.root(4+x^2)) as (1/2) (1+y)^-(1/2) with y=(x/2)^2 The binomial series of (1+y)^a = sum_k (a,k) y^k where (a,k) is the binomial symbol. In this case a=-1/2. for some reason when i plug in the values i get the ...

math

i am having a minor difficulty i've been stuck for over an hour and don't know what to do i don't know is this right ? = "+" or "-" # = number y=3 (x-3)^2 + (y-4)^2 = 9 i substitute y (x-3)^2 + (3-4)^2 = 9 (x-3)^2 + 1 = 9 x^2 - 6x + 9 + 1 = 9 x^2 - 6x + 10 = 9 x^2 - 6x + 1 = 0...

re:math

i am having a minor difficulty i've been stuck for over an hour and don't know what to do i don't know is this right ? = "+" or "-" # = number y=3 (x-3)^2 + (y-4)^2 = 9 i substitute y (x-3)^2 + (3-4)^2 = 9 (x-3)^2 + 1 = 9 x^2 - 6x + 9 + 1 = 9 x^2 - 6x + 10 = 9 x^2 - 6x + 1 = 0...

Math(Please check)

g(x) = (3/2)^x+2 I need to find the intercepts. My teacher told me to press trace on my graphing calculator to find them. I got x = 0 and y=3 everything else is decimals so is my answer just (0,3)?

math

A caterer offers a choice of five desserts from a list of eight for the dessert bar at the prom. How many different groups of desserts could be served? please check my answer = 120

math

If a McBurger employee is expected to work four of the seven days in a week, how many different weekly schedules are possible for the employee? Please check my answer = 840

Math 115

Please check answers 461mm=_____m answer 461/1000=0.461m Second one 20lb= 320oz 20lbs*16ounces= 320oz

Math

I have to find the relationship between these sequences, and express a generality. Could you help please. 1 + 3 + 5 + 3 + 1 = 3^2 + 2^2 1 + 3 + 5 + 7 + 9 + 7 + 5+ 3 + 1 = 5^2 + 4^2 1 + 3 + 1 = 2^2 + 1^2 I'm thinking sum of consecutive primes can be expressed in squares? The ...

Math 117

Give exact and approximate solutions to three decimal places. (x-8)^2=49 I need step by step example on how to solve this AND input it into a calculator. Please!

Math

Chad's property tax is 646.07 and is due April 20. He does not pay until Aug 29. 9.8 % Simple interest on unpaid tax. Find the penalty. can you please explain how we do this. thank you.

Math

The total area of three flowerbeds is 8 13/20m². Calculate how much of the garden remains if the whole garden covers 10 squared meters. Please show the working!

math

The total area of three flowerbeds is 8 13/20m². Calculate how much of the garden remains if the whole garden covers 10 squared meters. Please show the working.

math

I need help with helping my 11 year old daughter with her homework. She needs to create a easily identifiable 3 sided polygon which would be the perfectly productive polygon. HELP PLEASE!!

Math

Triangle LMN hes vertices at L(-4,-3), M(2,5), and N(-13,10). If the distance from point P(x,-2) to L equals the distance from P to M, what is the value of x? Could you be so nice and help me please. I tried so hard but I couldn't find the same solution x=3. Thank you so much!!!

Math

The arc length of a circle created by an angle of pi/3 radians is 2.5 cm. The radius of the circle is approx... a. o.419 cm b. 2.387 cm c. 1.783 cm d. 0.581 cm Please explain how you got the answer. Thanks! :)

4th grade math

Please help solved the below problem. Explain in words how to add 352 + 958. Make sure to explain regrouping, if necessary? Thanks, Stella

Math story problem

The Airbus A380-800, the largest in the Airbus fleet has a range of 8,200 nautical miles. Please write this number in scientific notation.

math

How can you tell if a number is rational or irrational? a) 3.215 (there is a line drawn over the 15) b.) square root 10 c) 0.143639854024 d)4.312 can you please explain what i need to look at to tell which is which?

Math Help Plz

The point (3,-8) is on the terminal arm of the angle x. Find sinx exactly and find x, in radians, to two decimal places. I don't how I should start this question. please help and thank you

7th grade math

How would you solve the problem below using the subsitution method? 12x + 4 = 8y y = x - 7 Please explain to me and help. If you could show all the steps, that would help a lot. Thank you.

math

The value of a $20,000 car decreases every year, t. the equation below models this sitution: 20000(1 - 0.04t) = 13,000. Please explain how to work this problem.

aig math

the sum of 2 numbers is 35. one number is 2 1/2 times as big as the other number. find the difference between the 2 addends. please show how you got the answer.

Math. Increases

The worlds pop in 1970 is estimated to be 3.7*10^9. The yearly growth rate is approximately 2%. How large would the world's pop be in 1980? Please show work. Thanks :)

Math

A capybara is the worlds largest rodent . It can grow to be 1 3/10 m long. Write an improper fraction that represents the length of the capybara? Please show work of how you got answer. Thanks

math work

the sale of tvs rose from 17,800 to 24,000. by approximtaly what percent did the total number of flat-screens tv sets increase? please show work.

math problem triangle inequality help

Two sides of a triangle are 11 and 17. How many possible lengths are there for the third side, if it is a positive integer? I tried listing them all but I get confused...Please help thank you!

math

3x^2+6x/2x^2-11x+12 - 2x^2-5x+3/x^2+x-2 ÷ 4x^2-12x+9/x^2-4 I got 3x^3+2x^2-12x+8 / (x-1)(2x-3) (x-4) Is this right please show your steps so I can understand! Thanks I greatly appreciate your help! Iwas just wondering wen my question be answered...thanks

math

A firm issues bonds with a face value of 1000, a coupon rate of 7% and that will mature in 10 years and the market yield is 10% and pay interest semiannually what is the value. Please help

math

The square yard you are mowing has an area of 9600 ft^2. What is the side length of the yard? Round your answer to the nearest tenth of a foot if necessary. Please solve and explain

Math

A polymomial p(x) = ax^2 + bx + c where a, b, c are some rational, has 1 + root 3 as one of the zeros and also p (2) = - 2, Find values of a, b and c. Please work the solution. Tried it many times but still can't get the answer/ The answer is a = 1, b = -2 and c = -2.

Math

A polymomial p(x) = ax^2 + bx + c where a, b, c are some rational, has 1 + root 3 as one of the zeros and also p (2) = - 2, Find values of a, b and c. Please work the solution. Tried it many times but still can't get the answer/ The answer is a = 1, b = -2 and c = -2.

Math

A polymomial p(x) = ax^2 + bx + c where a, b, c are some rational, has 1 + root 3 as one of the zeros and also p (2) = - 2, Find values of a, b and c. Please work the solution. Tried it many times but still can't get the answer/ The answer is a = 1, b = -2 and c = -2.

College math

Please HELP! In a certain lottery game players choose a set of 6 distinct numbers from the numbers 1-50. How many combinations are possible if order is not important. Thanks sooooo much!

Math

Can you help me with this problem please? I would thank you if you can explain it to me. You want to tile your kitchen floor. The floor measures 12ft by 9ft. How many tiles each a square with side 1 1/2 ft should you purchase for the job?

Math

can someone please help me with the answer to this question? What payment should be made on the invoice in the amount of $ 3,400.00 dated Aug 7 if the terms of sale are 3/15, 2/30,n/45 and the bill is paid Aug 19?

MATH Help please.....

Let S={1,2,3,…11} and T1,T2…,TN be distinct subsets of S such that |Ti∩Tj|≤2 for all values i≠j. What is the maximum possible value of N? (The empty set is a subset of every set.)

SAT math

Can someone please help me with this question: Write an equation that describes the following variation statement, and then find the constant of proportionality k . z is inversely proportional to x and directly proportional to y ; z = -10 when x = 5 and y = 50.

math

In the addition problem find the digit represented by C. Each time a letter appears it represent the same digit. A does not equal 0 (zero). AB AB AB + AB ______ CA please explain your results Thanks

Math

Susan designed a circular pool with a diameter of 25 meters. What is the area of the bottom of the pool? Round to the nearest tent. Please help this is due tomorrow and I need to up my grade.

Math (functions)

I'm really confused on this question. Could you help me? (First time using this site by the way) The question is: use the function rule f(x) = 3x - 2. Fine output: f(1.5) Can you please explain how I get this?

Math

What is the linear approximation of the square root of 8.9? Must be accurate to the fifth decimal place. I have tried entering 2.98328 and 2.98328 but that does not appear to be correct. Please help!!

Math

123 Inc has a profit margin of 15%. Its total asset turnover ratio is 2 and its dividend payout ratio is 60%. What is the company's internal growth rate? Please show steps

Sixth Grade Math

Three different rectangles have an are of 28 square units. What are the possible whole-number dimensions of the rectangles? Can someone please help me how to solve this problem?

math

A store offers 25% off merchandise that is already discounted by 30%. Is this the same as a 55 % discount off the original price? Write an example to illustrate your reasoning. Can someone please help me?

Math

formalize the following statment: a_n is a sequence that doesnt converge to L∈R. prove that the sequance (1/n) does not converge to 1. Can someone please explain to me what i have to do in the question i do not understand it so well.

3 rd grade Math

If the hexagon represents one whole, what fractions do the trapezoid, the parallelogram, and the triangle represent? explain how you found your answers. can anybody please explain this how to tell to my son.

math please help

Medians line AX and line BY of triangle ABC are perpendicular at point G. Prove that AB = CG. In your diagram, <AGB should appear to be a right angle. Not sure what i need to do for this...

math

So what I have to do is say which property justifies each step, this is what I put and my teacher said I got it wrong... could someone please help me? question~ 3. (6a + 2a) +8b = (6 + 2)a + 8b Answer~ Associative property of addition

math

can someone show me how to do these problems? Please? I really don't know how to answer them. I would really appreciate it... Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d 10. 3x - y = 10 for y

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