# Math

## Recent Questions

math
the ships leaves a port with a constant course and constant speed. after 2 hours the ship is 55miles south and 20 miles west of port. what is its course and speed?

math
The first three terms of a geometric sequence are as follows. 32 , 16 , 8 Find the next two terms of this sequence.

Math
1. add or subtract {4x^2+15x-3}-(3x^2+5) a.7x^2+15x-8** b.x^2+12x+2 c.x^2+15x-8 d.7x^2+8 2. Simplify the polynomial -3f^2+4f-3+8f^2+7f+1 a.5f^2-11f+2 b.11f^2+11f+2** c.5f^2+11f-2 d.-5f^2+11-2 3. Add or subtract (2x^2+6x+1)+(-7x^2+2x-3) a.5x^2-4x-2 b.-5x^2+8x-2 c.5x^2-8x+2** d...

Let f(x)=201+9e−3x . What is the point of maximum growth rate for the logistic function f(x)=20/1+9e^-3x ? Round your answer to the nearest hundredth. (0, 2) <my choice (5.54, 9) (0.73, 10) (0.73, 20)

Math
Store a has a promotion if you Bryce three shirts you get 25% off the total price of the three shirts store be has the same shirts on sale with a promotion that if you buy three shirts you get the third shirt on a 50% discount store see has the same shirts on sale with a ...

To enter a local fair, one must pay an entrance fee and pay for the number of ride tickets he/she wants. Admission to the fair is given by the equation f(x) = .50x + 10, where x represents the number of tickets purchased and f(x) represents the total price. How much does each ...

math
17.   Lavina wants to buy a rocking chair for \$160. She'll pay 10% down and pay the rest in six monthly installments. What will be the amount of each monthly payment?        A. \$27   B. \$24   C. \$26   D. \$16

I don't get this math!
Sequences that increase at increasing rates are sometimes described as “growing exponentially”. However, this is not always a correct use of the word. For example, both quadratic (constant second difference) and exponential growth share this property. Suppose that a ...

math!!
Three numbers are in an arithmetic progression; three other numbers are in a ge- ometric progression. Adding the corresponding terms of these two progressions yields 32, 26, and 32. The sum of the three terms of the arithmetic progression is 51. Find the terms of both ...

For each of the following explicit descriptions of a sequence, find a recursive description; for the recursive ones, find an explicit rule. Assume sequences start from n = 1. 1. an = 2n2 − 3n 2. a1 = 4 and an+1 = an + 2 3. a1 = −8 and an+1 = an 2 4. an =3n

math
Obtain all the zeroes of the polynomial of p(x) if sum of all the polynomials are given : (1). P (x) = x^4-8x^3+23x^2-28x+12 if 2 zeroes are 1 & 2.(2). p (x)=96x^4-128x^3+62x^2-13x+1 & 2 zeroes are 1/2 & 1/4

math
3 glasses A, B and C whose capacities are in the ratio 1:2:3 are filled with mixture of acid and water. The ratios of acid to water in A, B and C are 1:5, 3:5 and 5:7 respectively. The contents of these glasses are emptied into a single vessel. What is the ratio of acid to ...

math
3 friends A,B,C started a business investing rs 5000,10000,7500.A left the business after 6 months while C invested 5000 more after 6 months. A profit of 9000 earned at the end of the year.profit of C is ???

Math
Rohit is twice as old as roshni.5 years ago his age was three times roshni age.find their present ages

Math
A rectangular TV has an area of 1200 square inches. If the longer side is two inches longer than twice the shorter side, find the dimensions (length and height) of this flat screen TV

Math
A rectangular flat screen TV has an area of 1200 square inches. If the longer side is two inches longer than twice the shorter side, find the dimaensions(length and height) of this flat screen TV.

Math
You have a phone plan where mins are 25cents a piece you have a balance of 13.67 how many mins can you talk on the phone

math
Juan is cutting lumber into one half foot lenths.How many one half foot lengths will he get from an 8 foot long piece of lumber?

Math
I need help please. Laurie left home and ran to the lake at 10 mi/h. she ran back home at 8 mi/h. If the entire trip took 27 minutes, how far did she run in all?

math
15_2m and 12_3 5. 11m wide

One of the zeros of the function f(x)=x^3-28x-48 is x=-4. Factor the function. Show your work. How do I solve this?? Please help??

math
consider the functions f(x)=2x-8 and g(x)=x/2+4 (a) Find f(g(x)). (b) Find g(f(x)). (c) Determine whether the functions f and g are inverses of each other (a) What is f(g(x))? Simplify your answer

Math
Suppose that In 2=a and In 11=b. Use properties of logarithms to write the logarithm in terms of a and b. In 3 square root 22.

math
Mrs. Davis planted red flowers in 0.6 of her garden. She also planted yellow flowers in 0.4 of her garden. In 0.5 of the part with red flowers she also planted white flowers. What part of Mrs. Davis' garden has both red and white flowers?

Math
1.How many solutions does the system of equations have? y=6x+2 y=6x+4 a. one b. two c. infinite d. none 2. How many solutions does the system of equations have? y=1/2x-3 x-2y=6 a. one b. two c. infinitely many d. none 3. How many solutions does the system of equations have? y-...

math
how many layers of cubes are in 48 cubes

Math, Algebra
A square and rectangle have the same area. The length of the rectangle is five inches more than twice the length of the side of the square. The width of the rectangle is 6 inches less than the side of the square. Find the length of the side of the square.

math
A photograph shows 6 foot tall Mr. Jackson standing next to a building. in the photo Mr .Jackson is 2.5 centimeters tall and the building is 10 centimeters tall. what is the actual height of the building

Math
In a pen the farmer counts 20 pigs and geese for a total of 70 legs. How many animals are there for each kind?

math
How much money must Andrea invest for 2 years in an account that earns an annual simple interest rate of 8% if she wants to earn \$500 from the investment?

MATH
Convert r^2=3/(tanx) into cartesian form. I got this so far: r^2=3/(tanx) x^2+y^2=3x/y What do I DO NEXT????

Math
The shoe box has a base with an area of 147.2 cm2. What equation can be used to find the volume of the shoe box? The length is 18.4 cm, the height is 11 cm and the width is 8 cm.

MATH
The Bishop's Peak 4-H club is having its annual fundraising dinner. Adults pay \$25 apiece and children pay \$10 apiece. If the number of adult tickets sold is twice the number of children's tickets sold, and the total income for the dinner is \$1,800, how many of each kind of ...

Math
The endpoints of four line segments are given below. Which segment has the greatest length? A(2,2) and B(2,-4) D(-3,-1) and E(2,-1) M(-1,4) and N(-1,-2) P(-5,-3) and Q(2,-3)

MATH HELP!!
A quilt desighn uses parallogram - shaped pieces that have base measure of 6 inches and a height of 8 inches. if 15 pieces are used in the quilt, what is the total area of the parllogram - shaped pieces in the quilt? A. 150in B. 360in C. 720in D. 1,440in

Math
Sorry, this will be the last question I post! :) Based on the two-way frequency table, how many adults were surveyed? TypeOfcookie--adults-Children-Total- Chocolate chip| 5 |10 ? Peanut Butter |8 |6 ? Oatmeal | 7 |4 ?

Math
00 students were surveyed about their favorite sport. The results are shown in the circle graph below. How many students chose basketball as their favorite sport? Basket Ball: 22% Volley Ball: 18% soccer:29% Badminton: 13% Tennis: 18% A:220 B:130 C:500 Please, help me! :D

Math
Algebra 1 Simplify the radical _____ 5_/700 I'm confused on what to do with the 5...

IDK HOW TO SOLVE THIS WRITTEN ANSWER PROBLEM, PLEASE HELP! write an inequality to represent a situation the temperature stayed above -15 degrees

math
Yuri surveyed randomly selected middle school students in his neighborhood. He found that around 60% of them plan to participate in a charity walk organized by the town council. What is the estimated probability that it will take at least six middle school students to find one...

discrete math
Q 8: Count the number of 01-strings with following constraints. (c) The length is 9. Number of 1s is 3 more than number of 0s.

discrete math
Q 7: What is the number of `Hello's printed by the pseudo code below? (for i from lo to hi exhaust i between lo and hi inclusive, and is a empty loop when lo is greater than hi) (b) for i from 1 to 10 for j from i to 10 for k from i to j print `Hello'

discrete math
Q6:What if the bookshelf is circular, that means you cannot choose the first and last books simultaneously? Count the number of ways to choose 6 books out of 20 books on a circular bookshelf such that no two adjacent books are selected.

discrete math
Q 3: There are n identical balls and m different bins. Let Bn,m be the total number of way to put n balls in m bins. (a) What are B1,1, B2,1, B1,2, B2,2, B3,2? (b) Express Bn,m in terms of Bk;m-1, for k = 0,….. n.

MATH HELP PLZ
Use the table of simulated values to answer the question. The numbers 0 to 5 represent middle school students planning to participate in the charity walk, and 6 to 9 represent those who are not planning to participate. 7 1 0 7 8 8 8 5 3 0 3 0 0 5 7 3 8 5 4 6 5 6 6 4 2 9 3 0 7 ...

Math
Find the solutions of the equation. 2sinx+cosx=0

math
About 75% of the girls in grade 7 at Grande Rock Middle School prefer colored jeans to the regular blue ones. The randomly generated numbers in the table simulate this situation. The letter C represents colored jeans, and B represents blue jeans. CCCBC BBCCC CCBBC CCBBC CCCCC ...

math
Anita has a success rate of 80% on free throws in basketball. She wants to know the estimated probability that she can make exactly four of five free throws in her next game. How can she simulate this scenario? Categorize each simulation of this scenario as correct or ...

math
A sixth-grade class has 20 total students, while the entire middle school has 1,000 students. A census is taken of the entire school’s population to see on which day of the week every student was born. Theoretically, 14.3%, or 1/7 of the students should have been born on ...

math
A cable channel survey showed that about 50% of subscribers preferred watching a comedy to an action movie on Saturday nights. If you want to estimate the probability that exactly two of three randomly picked subscribers prefer watching an action movie on a Saturday night, how...

Math geometry
Please help , I only need the second part of the question Betty picks 4 random marbles from a bag containing 3 white , 4 yellow and 5 blue marbles The probability that exactly 1 of the 4 marbles drawn is blue is (0.3535) . The probability that at least 1 of the 4 marbles drawn...

math
Lara arranged the books in her bookshelf by size she arranged 2/10 of the books were tall and 1/2 of the books were medium sized. if 12 of the books were small, how many total books did she arrange?

math
On a map, 1 inch equals 20 miles. Two cities are 135 miles apart. What is the distance between the two cities on the map?

discrete math
Q 8: Count the number of 01-strings with following constraints. (b) The length is 8. Number of 1s is 3 more than number of 0s. (c) The length is 9. Number of 1s is 3 more than number of 0s.

discrete math
Q 7: What is the number of `Hello's printed by the pseudo code below? (for i from lo to hi exhaust i between lo and hi inclusive, and is a empty loop when lo is greater than hi) (b) for i from 1 to 10 for j from i to 10 for k from i to j print `Hello'

discrete math
Q6:What if the bookshelf is circular, that means you cannot choose the first and last books simultaneously? Count the number of ways to choose 6 books out of 20 books on a circular bookshelf such that no two adjacent books are selected.

discrete math
Q 3: There are n identical balls and m different bins. Let Bn,m be the total number of way to put n balls in m bins. (a) What are B1,1, B2,1, B1,2, B2,2, B3,2? (b) Express Bn,m in terms of Bk;m-1, for k = 0,….. n.

Math
A recipe call for 2 2/4 cup of raisins,but Julie only has a1/4-cup measuring cup. How many 1/4 cup does Julie need to measure out of 2 2/4 cup of raisins

Math
Ok, i've got most of it done. But i'm stumped as of right now. Question: 1(0? idk..) ft ? in. = 30 in. Seriously stumped.

math
A can do a piece of work in 12 days whereas B can destroy the work in 3 days. A does the work for 10 days and then B destroys the work up to 2 days. In how many days will the work be finished?

A banker is attempting to construct the world's largest cake. The cake is 12 meters square and 4 meters tall. How much surface area will the cake need to be iced (including botto

The second moment of area of a rectangle through its centroid is given by: bL3/12 Using the approximation for binomial series valid for small x (+ve or –ve): (1+x)^n=1+nx/1!+(n(n-1) x^2)/2!+⋯ 1+nx Determine the approximate change in the second moment of area if b is ...

The exponential function can be represented as an infinity power series as follows. e^x=1 + x/1! + x^2/2! + x^3/3!+⋯,-∞<x<∞ 1. Calculate e (which is the same as e^1) to 4 significant figures by using as many terms of the power series expansion as is necessary. Show...

math
A can do a piece of work in 12 days whereas B can destroy the work in 3 days. A does the work for 10 days and then B destroys the work up to 2 days. In how many days will the work be finished? (explaination please)

math
if number of boys in a class is 1/5th more than the number of girls, strength of class?

Math (Calculus) (Work)
Six and one-half foot-pounds of work is required to compress a spring 4 inches from its natural length. Find the work required to compress the spring an additional one-half inch. (Round your answer to two decimal places.) This is what I did so far: 4 in = 1/3 ft 6.5 = ∫[0,1/...

How much wood is needed to completely cover a 4 ft wide ramp that starts 8 ft from a 6 ft tall platform? The ramp will run 10 ft on the incline.d/6 8/10 10f/48=12 ft???

math
If the radius of a sphere is increasing at a constant rate of 4 cm/sec, then the volume is increasing at a rate of ???? cm^3/sec when the radius is 5 cm.

math 107
Suppose you want to have \$600,000 for retirement in 35 years. Your account earns 7% interest. a) How much would you need to deposit in the account each month? \$ b) How much interest will you earn?

math 107
You deposit \$4000 each year into an account earning 6% interest compounded annually. How much will you have in the account in 30 years?

Math
THERE IS 1/2 A PAN OF BROWNIES LEFT. FOUR CHILDREN ARE GOING TO SHARE IT EQUALLY. WHAT FRACTION OF THE WHOLE PAN OF BROWNIES WILL EACH CHILD GET? 1/2÷4= OR 1/2×1/4= WHAT AM I DOING WRONG ?

Math
A baby weight 7.25 at birth at the end of a eight months the baby weight 2 and a half times its birth weight how many pounds did the baby weight at the end of eight months

math
If it takes 1/4 an hour to type one page, how many pages can be typed in 3 1/2 hours? The answer is 14, right? But what is the written math equation to solve this?

MATH
A REGULAR PENTAGON ABCDE AND A SQUARE ABFG ARE FORMED ON OPPOSITE SIDE OF AB. FIND ANGLE BCF..

Math
What will it cost to frame a picture in the shape of a regular hexagon 52 cm on a side if the framing costs \$4.10 a meter?

ASL
1. Nodding your head should be added to which statement or question? (1 point) Who is your brother? Recently, I took an American Sign Language course. Yes, I agree. No, I don’t think so. 2. Shaking your head should be added to which statement or question? (1 point) Who is ...

math
What are two digit number greater than 40 that is divisible by 2 and 3.

Math
Vinay made a Password that consists of 3 digits. None of the digits are the same. How many possible passwords did Vinay choose from? Please explain how to solve.

math
what's the solution for y=2x-1 and y=x+3

Math
Mallory needs 4 3/4 cups of flour for a bread recipe. She has 2 2/3 cups, how many more cups does she need?

Math
Right triangle ABC is reflected over AC, then dilated by a scale factor of . Which statements about the two triangles must be true?

MAth
3a +4/4a+4 x a^2 - 6a -7 Asking for the product so confused

Math
A machine has an IMA of 6.0 and an AMA of 5.0. What is the work input needed by the machine to raise a 40 kg load by 3.0 m?

math
if you have 69868859958 and 54647937347484 what would you do to turn that into a fraction

C/4-5=4 (c over 4) Please explain how to do this, its a written answer questen and I have no idea how to do it at all..

discrete math
Q 8: Count the number of 01-strings with following constraints. (a) The length is 8. Number of 1s is 2 more than number of 0s. (b) The length is 8. Number of 1s is 3 more than number of 0s. (c) The length is 9. Number of 1s is 3 more than number of 0s.

discrete math
Q 7: What is the number of `Hello's printed by the pseudo code below? (for i from lo to hi exhaust i between lo and hi inclusive, and is a empty loop when lo is greater than hi) (a) for i from 1 to n for j from 1 to i - 1 for k from 1 to j - 1 print `Hello' (b) for i from 1 to...

discrete math
Q6:What if the bookshelf is circular, that means you cannot choose the first and last books simultaneously? Count the number of ways to choose 6 books out of 20 books on a circular bookshelf such that no two adjacent books are selected.

discrete math
Q 3: There are n identical balls and m different bins. Let Bn,m be the total number of way to put n balls in m bins. (a) What are B1,1, B2,1, B1,2, B2,2, B3,2? (b) Express Bn,m in terms of Bk;m-1, for k = 0,….. n.

Math: Geometry
Of 162 students honored at an academic awards banquet, 48 won awards for mathematics and 78 won awards for English. There are 14 students who won awards for both mathematics and English. A newspaper chooses a student at random for an interview. What is the probability that the...

math
answer How do you write a song hat will knock over a cow?

Math
Amira is painting a rectangular banner 2 1/2 yards wide on a wall in the cafeteria.The banner will have a blue background.Amira has enough blue paint to cover 1 1/2 square yards of a wall.

math
A swimmer swam 0.8 mi at 0.0323 mi per min in waters created by melted sea ice. What was his​ time?

math
i have 8litres of poridge and want to divide it equally and only have tins 5litres and 3litres .solve

MAth
ina given parallelogram ABCD THE ANGLE BISECTOR OF ANGLE A BISECTS BC .WILL ANGLE BISECTOR OF B ALSO BISECT AD?GIVE REASON.

math
if karla invested 12000\$ in abc bank for annual rate 3.9 for 6 years with compounded monthly intersted a- how much she got as afuture value at the end of the period ? b- find the value of the interest?

math
A can do work alone in 15 days whereas B can destroy entire work in 20 days. They are working on alternate days with a working on the first day, B working on the second day, then how many days will work completed?

math
Radhika bought 24 dozen eggs .out of them,3/4 were found to be broken. Find the number of good eggs left with her.

math
A phone company offers two monthly plans. Plan A costs \$11 plus an additional \$0.17 for each minute of calls. Plan B costs \$18 plus an additional \$0.15 for each minute of calls.

Math
Factorize these expressions using quadratic trinomials P²+22p+96,x²+18x-63

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