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August 30, 2014

Homework Help: Math

Branches of Math

Recent Math Questions

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Math
How many grams of Ag2S react to form 174 g of AgCl? see below: Ag2S + 2 HCl ==> 2 AgCl + H2S
Saturday, May 17, 2014 at 12:03pm

math
solve the following smultaneous equations 3x plus 2y =21 and x plus y = 8 3x -14y =0 and x - 4y plus 1 =0
Saturday, May 17, 2014 at 11:55am

math
solve the following equation 4(2x-9)-4x= 4-6x 16y plus 4 =-10
Saturday, May 17, 2014 at 11:45am

Math
What does it mean instead of at the top, the power is at the bottum Like instead of 2^4 The 4 is wrote smaller and below and beside the 2
Saturday, May 17, 2014 at 10:04am

math(urgent)
9.A 10%,100-day note was dated 20 september 1992.the maturity value of the note was $3083.33.If the note was discounted on 17 november 1992 at 12%,FIND i) the maturity date of the note = 29 december 1992 ii)the face value of the note $3083.33 = (1+0.1(100/360) = 1.0278 = 3083....
Saturday, May 17, 2014 at 9:37am

Math
Determine the largest possible integer n such that 942! is divisible by 15n.
Saturday, May 17, 2014 at 9:28am

Math
Rationalize the denominator and write your answer in lowest terms (2 √ 6 + √ 3)/ ( √ 6- √ 3)
Saturday, May 17, 2014 at 9:28am

math
A 7%,6O day note was discounted at 15 days before the maturity date. If the discount rate was 5.5% and the proceeds received were $ 997,77,find a)the amount of discount that was charged b)the discount date if maturity date of the note is 26 october 1991 c)face value a) 997,77...
Saturday, May 17, 2014 at 8:17am

Math
5. Find the surface area of the cylinder to the nearest whole number. (1 point)1,659 in.2 898 in.2 5,862 in.2 2,959 in.2 6. Find the surface area of the pyramid shown to the nearest whole number. (1 point)1,540 m2 770 m2 396 m2 749 m2 7. Find the surface area of a conical ...
Saturday, May 17, 2014 at 12:38am

Math
A bag holds 20 yellow mints and 80 other green or pink mints. You choose a mint at random, eat it, and choose another. a. Find the number of pink mints if P(yellow then pink) = P(green then yellow). b. What is the least number of pink mints if P(yellow then pink) > P(green ...
Friday, May 16, 2014 at 10:39pm

math
8.94 rounded to the nearest tenth not sure if its 8.9 or 8.4
Friday, May 16, 2014 at 7:05pm

Math
Tammy will donate up to $480 to charity. The money will be divided between two charities: the City Youth Fund and the Educational Growth Foundation. Tammy would like to donate at least $140 dollars to the Educational Growth Foundation. She would also like the amount donated to...
Friday, May 16, 2014 at 1:39pm

math
What is the length of the line segment between A(-10, 8) and B ( -10 ,-3)? A. 18 units B. 5 units C. 11 units D. 12 units
Friday, May 16, 2014 at 1:09pm

math
at a college function a total of 180 tickets were sold. the tickets were priced at $5,10,15 and the money collected that day was $1,900. the sum of the numbers of $5,and $15 tickets sold was twice the number of $10 tickets sold. find the number of each type of ticket sold for ...
Friday, May 16, 2014 at 12:55pm

math(compound interest )
A sum of money,X was deposited in a saving account at 10 percent compounded daily on 25 july 1993. on 13 august 1993, rm600 was withdrawn and the balance as on 31 december 1993 was RM 8900.calculate the value of X using exact time and 360 day year. (1+.10/360)^20 - 600)(1+.10/...
Friday, May 16, 2014 at 11:14am

math(urgent)
$1000 was invested for two years at 10% simple interest .calculate the effective rate was earned. pls check my solve (1+0.1/2)^2-1 = 0.1025 but the true answer is 9.54% pls help me to get the formula of effective rate
Friday, May 16, 2014 at 10:49am

math(urgent)
Mary invested $30,000 in two accounts some at 12% per annum and the rest at 8% per annum. Her total interest for one years was $ 3200.How much was invested at each rate ? solution : $3200=P1 (0.12)(1)+ (3000-P1)(0.08)(1) P1= ? P2= 30000-P1 ? HOW to solve this because they have...
Friday, May 16, 2014 at 9:07am

math
can u place give pointers on how to draw the graphs of y=2^ and y=-2^ on the same set of axes (4 marks) this new to me
Friday, May 16, 2014 at 7:14am

Math - Int Trig
31) Locate, name, and classify the extrema of the function. Determine intervals which the function is increasing and decreasing f(x) = -x(x^2 - 2) 32) Determine the end behavior of the function f(x) = 2x - x^3
Friday, May 16, 2014 at 3:42am

Math - Algebra2
state whether the series is convergent or divergent 1) 3 + 12 + 48 + ... 2) 4 + 4/5 + 4/25 + ...
Friday, May 16, 2014 at 3:23am

Math
I have this hard question in math. can someone help me find out the riddle? I start with 1 bacteria. Every hour it doubles. How many hours until there are 1,000,000 bacteria? Can you make a function that describes this situation? What if I double it? I start with 2 glasses ...
Friday, May 16, 2014 at 1:46am

Math problem or trick
if 60% of students in the class were wearing sport shoes and 40% dress shoes, does it mean that everybody in the class were wearing shoes?
Friday, May 16, 2014 at 12:12am

Math - Int Trig
Form a polynomial f(x) with real coefficients having the given degree and zeros 21) Degree: 4, zeroes: 2i and -3i 22) Degree: 3, Zeroes i and -10
Thursday, May 15, 2014 at 9:36pm

math
Find the slope on the line through (-9,-10) and (-2,-5). a) -5/-7 b) 7/5 c) 5/7 d) -7/-5
Thursday, May 15, 2014 at 7:47pm

math
The point C(3,-1)is translated to the left 4 units and up 1 unit. Write the rule to describe the translation.And what are the Coordinates of the image point? A)(x,y)-> (x+4,y+1);(7,-2) B)(x,y)-> (x-4,y-1;(-1,0) c)(x,y)-> (x+4,y-1);(7,0) D)(x,y)-> (x-4,y+1);(-1,0) ...
Thursday, May 15, 2014 at 7:05pm

math
what is the correct description for the translation A to A? A)right 9;up 3 B)left 9;down 3 c)right 9;down 3 D)left 9; up 3 Is it D
Thursday, May 15, 2014 at 6:55pm

math
If 3 cats can catch 3 rats in 3 minutes, how many cats are needed to catch 60 rats in 1 hour?
Thursday, May 15, 2014 at 6:37pm

Finite Math
Bill and Fred are betting on the outcome when two fair dice are rolled. If the dice sum is any even number, other than 8, Bill pays Fred $8. If the dice sum is 8, Bill pays Fred $1. If the dice sum is odd, Fred pays Bill $2. What is Fred's expected payoff for this game?
Thursday, May 15, 2014 at 6:31pm

math
If sam spent 25% of his savings on a kite that coscost 20$ how much did sam hpave before he bought the kite 25×20=
Thursday, May 15, 2014 at 6:15pm

math trigonometry
By making use of a sketch,determine the value of 10 secant theta plus 13sin theta. And 5tan theta minus 12 equal to zero. (0,90)
Thursday, May 15, 2014 at 3:07pm

Math-- Ms. Sue??
You are designing a rectangular playground. ON YOUR SCALE DRAWING, THE VERTICES OF THE RECTANGLE ARE (6,3), (6,5), AND (8,3). wHAT ARE THE COORDINATES OF THE FOURTH VERTEX? 1: (4,5) 2: (8,5) 3: (8,1) 4: (5,8) <- My answer Determine which ordered pair is NOT a solution of y...
Thursday, May 15, 2014 at 2:18pm

Math
A bag contains one violet marble, eight brown marbles, and seven white marbles. A marble is chosen and then replaced. What is P(brown then violet)? Is it 1/32?
Thursday, May 15, 2014 at 1:18pm

Math - Int Trig
Write an equation for the function that is finally graphed after the following transformations are applied to the graph y=|x|. The graph is shifted right 3 units, stretched by a factor of 3, shifted vertically down 2 units, and finally reflected across the x-axis.
Thursday, May 15, 2014 at 1:07pm

math
if you tossed 2 nickles 100 times, how many times would you expect to get a)2 heads b)2 tails c)1 head and 1 tail
Thursday, May 15, 2014 at 12:47pm

math
suppose 2 nickles are tossed at the same time what are the possible outcomes? what are the possiblility of getting a)2 heads b)2 tails c)1 head and 1 tail
Thursday, May 15, 2014 at 12:45pm

math
A straight line is the shortest distance between two points. In a triangle, the sum of two sides of the triangle is greater than the third side. Also, a perpendicular drawn from a point to a line is the shortest distance from the point to the line.
Thursday, May 15, 2014 at 12:09pm

math
If two angles of a triangle are unequal, the sides opposite these angles are unequal, and the greater side lies opposite the greater angle.
Thursday, May 15, 2014 at 12:07pm

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?
Thursday, May 15, 2014 at 11:41am

math ratios
the blue jays baseball team won 17 games and lost 14 games. what is the ratio of wins to losses?
Thursday, May 15, 2014 at 11:32am

math(compund interest )
10.On 16 April 1990, $5000 was invested at 6% compounded semi annually.Find the amount accumulated on 16 October 1993 if the rate was charged to 8% compounded quarterly beginning 16 april 1992. semi annualy compounding= (2 times in years) quarterly compounding= (4 times in a ...
Thursday, May 15, 2014 at 8:03am

math
this investment require table factors for periods beyond the table. create the new table factor AND the present value for $100,000 (compound amount) for 50 years at a nominal rate of 5 percent with interest compounded annually thanks
Thursday, May 15, 2014 at 5:32am

math
what is the maturity value of $20.000 investment with the rate of 6 percent for a term of 15 years
Thursday, May 15, 2014 at 5:21am

Math
How many minutes would it take Rachel to jog 3 miles if she jogs 1/15 mile every minute?
Thursday, May 15, 2014 at 2:59am

math(urgent)
At the end of every year for 3 years, RM1000 will be invested in an account that offers 8% compounded annualy.Find the account amount at the end of the 3 years. the answer is $ 3246.40 in my calculation i solve 1000(1+o.08/1)^(3-1) =11664
Thursday, May 15, 2014 at 2:48am

Math
John has 1/4 yard of fabric. He cuts it into 3 equal pieces . What fraction of a yard is each piece of fabric? Choices are A. 1/12 yard B, 1/8 yard C. 1/2 yard D. 3/4 yard please help answer
Thursday, May 15, 2014 at 12:43am

Math 2
Ammeter has 1/4 of fabric. She cuts it into 3 equal pieces. What fraction of a yard is each piece of fabric?
Thursday, May 15, 2014 at 12:01am

math
Valerie plays a game using the spinner shown. During the game she will spin a total of 36 times. Which is the best prediction for the number of times she will get either "lose a turn" or "back 3" on the spinner?
Wednesday, May 14, 2014 at 11:28pm

math
The table shows the results of a spinner with four colored sections. Use the table to answer the question. The spinner is spun 50 more times. Which is the best prediction for the number of times the spinner will stop on white?
Wednesday, May 14, 2014 at 10:35pm

math
Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts?
Wednesday, May 14, 2014 at 10:25pm

math
Sheila drew single marbles from a bag, recorded the outcome, and replaced the marble. In 50 draws, Sheila drew 20 white marbles and 30 black marbles. What is the experimental probability that the next marble will be black?
Wednesday, May 14, 2014 at 10:22pm

Math 2
John solved 1/5 divided by 10 by using a related multiplication expression. Which multiplication expression did she solve? Choices are A. 5 *10 B. 1/5 *10. C. 5* 1/10 d. 1/5 *1/10
Wednesday, May 14, 2014 at 9:37pm

math/patterns
9,1,6,11,16 what is the millionth term in this sequence?can anyone explain how to work it out please,thanks.
Wednesday, May 14, 2014 at 8:18pm

MAth
Malcom has 1/2 gallon of soup. He pours the same amount of soup into 8 bowls. which equation represents the fractional part of a gallon of soup, n, in each bowl? Please he;p solve with the letter n. thanks
Wednesday, May 14, 2014 at 8:07pm

math
There are 6 red marbles and 3 blue marbles in a bag. lou picks one without looking. what is the probability that lou picks a red marble?
Wednesday, May 14, 2014 at 8:02pm

math
the following investments require table factors for periods beyond the table, create the new table factors AND present value $31,000 (compound amount) time period is 50 years nominal rate is 5% and interest compounded annually thanks
Wednesday, May 14, 2014 at 8:00pm

math 2
Jawan solved 8 divided by 1/3 by using a related multiplication expression. which multplication expression did he solve?
Wednesday, May 14, 2014 at 7:54pm

math 2
Ben is making a bread that calls for 5 cups of flour. He only has 1/2 cup measuring cup. How many times will Ben need to fill the 1/2 cup measuring cup to get the 5 cups of flour?
Wednesday, May 14, 2014 at 7:52pm

Math 2
twelve friends share 4 pizzas equally. what fraction of a pizza does each friend get?
Wednesday, May 14, 2014 at 7:50pm

math
sec( pi/7)-sec(2pi/7)+sec(3pi/7)
Wednesday, May 14, 2014 at 6:15pm

Math
Please help me solve this problem: My great-grandfather invested $ 9. in a savings account in 1909. The amount of money in the account doubles every nine years. QUESTION; WHAT YEARWILL IT BE WHEN THE VALUE OF HIS INVESTMENT HITS $1 MILLION?................
Wednesday, May 14, 2014 at 5:30pm

math
calculate the present value (principal) and compound interest on $900 (term of investment 1.75 years ) rate of 18% compounded monthly
Wednesday, May 14, 2014 at 5:08pm

Math
If x<y, z=x/2 and a=y/2, then please show work/ explain A.z<a B.a>z C.a=z D.2a>y E.2x>2z
Wednesday, May 14, 2014 at 5:06pm

math
-15 = y + 82
Wednesday, May 14, 2014 at 5:05pm

math
for the month of january, an engine parts supplier company had the following financial information: merchandise inventory, january 1, $322,000, merchandise inventory january 31 $316,400, grooss purchases, $243,460, purchase returns and allowances $26,880 and frieght in $3,430 ...
Wednesday, May 14, 2014 at 4:51pm

math
4x+12=10 x=?
Wednesday, May 14, 2014 at 4:28pm

math
A tomato plant was 5 cm tall when it was planted. it has grown 1 meter. How tall is the tomato plant now? A. 15 cm B. 1.5 cm C. 150 cm D. 105 cm
Wednesday, May 14, 2014 at 4:10pm

math
Nathaniel want to buy a new bike. His payment options are: Option 1: Pay $2055.99 cash. He only has $400.00 saved up, so he can take out a loan for the rest from his bank at a rate of 7.25% per annum over 2 years. Option2: Take the store payment plan of 12 monthly payments of...
Wednesday, May 14, 2014 at 3:57pm

Math, Please Help
1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and a4 = -...
Wednesday, May 14, 2014 at 3:47pm

Math
Please help me, I have to solve these problems: My great-grandfather invested $ 9.00 in a savings account in 1909. The amount of money in the account double every 9 years. * How much money would be in the account 99 years later?------------- * By what percentage does the ...
Wednesday, May 14, 2014 at 3:26pm

Math
Math - Tyler, Wednesday, May 14, 2014 at 2:51pm Solve (z +2)^ 4/3 = 4 where z is a real number please helpp
Wednesday, May 14, 2014 at 2:52pm

Math
Solve (z +2)^ 4/3 = 4 where z is a real number
Wednesday, May 14, 2014 at 2:34pm

Math
How do you find y' of y=tan^2(x^4)?
Wednesday, May 14, 2014 at 2:30pm

Math
1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and a4 = -...
Wednesday, May 14, 2014 at 2:23pm

math
what was the interest rate on the loan for $50,000 if the interest amounted to $4500 for 9 months
Wednesday, May 14, 2014 at 2:06pm

math
9. list three different ways to write 5^11 as the product of two powers. Explain why all three of your expressions are equal to 5^11 (4 point) Can you help me with this Ms.Sue
Wednesday, May 14, 2014 at 2:04pm

Math
An initial amount of $2900 is invested in an account at an interest rate of 4% per year, compounded continuously. Find the amount in the account after six years. Round your answer to the nearest cent.
Wednesday, May 14, 2014 at 1:49pm

Math
The right side of the orchestra section of the Nederlander Theatre in New York City has 19 rows, and the last row has 27 seats. The number of seats in each row increases by 1 as you move toward the back of the section. How many seats are in this section of the theatre?
Wednesday, May 14, 2014 at 12:07pm

Math
Courtney organized a charity walk. In the first year, the walk generated $3000. She hopes to increase this amount by $900 each year for the next several years. If her goal is met, in how many years will the walk have generated a total of at least $65,000 for the charity?
Wednesday, May 14, 2014 at 12:03pm

math
jake has decided upon three business ventures to invest in. The total cost of investing in all three ventures will be $15,000. Investing in the first venture will cost $3,000 more than investing in both the second and the third venture. According to Jake’s research, his ...
Wednesday, May 14, 2014 at 11:04am

Math
find the coordinates of the image of the point (5, -1) dilated with center at the origin, scale factor 3
Wednesday, May 14, 2014 at 10:37am

math
CD sales at corner music increased 145% last year. which number is equivalent to 145%? A. 14,500 B. 145 C. 1.45 D. O.O145 i think C but im not sure
Wednesday, May 14, 2014 at 9:31am

math (urgent )
13.875-0.1875(56.375)/8-2 (1/8+27.125/300.875 the answer is 1.1908 but when i calculate use calculator i cant get the answer.we need solve value in the bracket first then multipe by first value or how ? pls
Wednesday, May 14, 2014 at 8:03am

Math
Gina has 24 feet of fence, she wants to make the largest rectangular area possible for her rabbit to play in , what length should she make each side of the rabbit penn?
Wednesday, May 14, 2014 at 2:32am

math
the mean weigh of 500 male students at a certain college is 151 lb , and the standard deviation is 15 lb. assuming that the weights are normally distributed , how many students weigh more then 181 lb.
Wednesday, May 14, 2014 at 1:24am

Math
One pipe fills a tank in 1 hour while another pipe can fill the same tank in 2 hours. How long will it take to fill the tank if both pipes are used.
Tuesday, May 13, 2014 at 11:56pm

math
Nathaniel want to buy a new bike. His payment options are: Option 1: Pay $2055.99 cash. He only has $400.00 saved up, so he can take out a loan for the rest from his bank at a rate of 7.25% per annum over 2 years. Option2: Take the store payment plan of 12 monthly payments of...
Tuesday, May 13, 2014 at 11:47pm

Math
. Below, the standard addition algorithm is being used to add three two-digit numbers. 4z 27 +x5 y14 If x, y and z each represent a different digit from 0 to 9, what is the value of (x)(y)(z)?
Tuesday, May 13, 2014 at 11:23pm

math
a parking lot charges $1.50 for the first hour of parking and 55 cents for each additional half hour how much would it cost to park a car from 12:45pm to 6:15 pm
Tuesday, May 13, 2014 at 11:09pm

Math 6th Grade
Compare using < , > , or =. –15 _____ –21 (1 point) 1. < 2. > 3. = (picked > )
Tuesday, May 13, 2014 at 9:17pm

Math 6th Grade
Compare using < , > , or =. –15 _____ –21 (1 point) 1. < 2. > 3. = (picked > )
Tuesday, May 13, 2014 at 8:23pm

HELP MATH 5th grade
Sam has 3 pets. Monday she uses d cans of pet food. Tuesday she uses 6 cans Wednesday Thursday and Friday uses 4 cans each day How many cans does she use during thse 5 days? which number is not needed to solve problem? 4 3 5 6 - please explain
Tuesday, May 13, 2014 at 8:08pm

Math
A survey about the student government program at a school finds the following results. 190 students like the program 135 students think the program is unnecessary 220 students plan on running for student government next year. If a circle graph were made from this data, what ...
Tuesday, May 13, 2014 at 7:50pm

Math
174.69 rounded to 2 sig figs
Tuesday, May 13, 2014 at 7:23pm

math
create a function that models In dollars the total payout T2 after a given month × the listedgraph month is X 6 months M2 IS 2¢ 6¢ 8¢ 10¢ 12¢ and T2 is 3¢ 7¢ 13¢ 21¢ 31¢ 43¢ (hint) t2 is just a double transformation ...
Tuesday, May 13, 2014 at 7:13pm

math
In a shipment of 50 calculators,4 are defective. Two calculators are randomly selected and tested. What is the probability that both are defective if the first one is not replaced after being tested?
Tuesday, May 13, 2014 at 6:54pm

math
A nationwide survey showed that 65% of all children in the U.S. dislike eating vegetables. If three children are chosen at random, what is the probability that all three dislike eating vegetables? Write as a percent to the nearest tenth.
Tuesday, May 13, 2014 at 6:49pm

math
what is the even numbers here 13, 12, 10, 19, 16? what is the odd numbers here 17 18 15 16 11?
Tuesday, May 13, 2014 at 6:36pm

math/probability
a deck of cards contains 6 blue, 7 yellow cards, three red cards, and 5 green cards. what is the theoretical probability of drawing a blue card replacing it and drawing a yellow card?
Tuesday, May 13, 2014 at 6:11pm

Math Solve for X?
Solve for x. (5x^2 - 12x) / (x^2 + 5x - 24) <= 0
Tuesday, May 13, 2014 at 5:22pm

math
5.If inequalities are multiplied by positive number, the order remains the same. If x>y and z>0, then xz>yz. However, if inequalities are multiplied by negative numbers the order is reversed. If x>y and z<0 then xz<yz Please show work and explain.
Tuesday, May 13, 2014 at 4:57pm

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