Math

Recent Questions

math
You randomly draw marbles from a bag containing both blue and green marbles, without replacing the marbles between draws. If B=drawing a blue marble and G=drawing a green marble, which represents the probability of drawing a blue marble first and a green marble second? A. P(B...

math
Suppose a bag contains 3 blue and 2 green marbles. You randomly draw 2 marbles without replacement. If B=drawing a blue marble and G=drawing a green marble, which event does NOT have the same probability as the others? Bag A. GG B. BB C. GB D. BG

math
a rectangle has an area of 4(x+3)square units. if the dimensions are doubled what is the area of the new rectangle terms of x.will the ratio of the area of the original rectangle to the area of the larger rectangle be the same for any positive value of x?

Math
Determine which ordered pair is a solution of y = -5x + 10. A. (-15, 5) B. (2, 0)•• C. (-1, -5) D. (3, 25) Find the slope of the line through (-9, 10) and (-2, -5). A. -5/7 B. 7/5 C. 5/7 D. -7/5 If so can someone please describe how to get awnsers I really need to ...

English
posted by rfvv Thursday, April 5, 2018 at 5:57am 1. I laugh. Don't laugh, I tell myself. Think of tomorrow's math test. That works. I sit quietly. ----------------------------------------​---------------- In the book, 'Don't laugh' is in italic type. In the book 'Think ...

Math -- repost for Diana
Ryan bought 6 apples and 9 peaches for a total of $9.75. Madi bought 4 apples and 5 peaches for $5.75. How much are apples and peaches?

math
what is the dimensions of a square? area = 144 cm2

math
A leak in a water tank causes the water level to decrease by 3.6×10^−2 millimeters each second. About how many millimeters does the water level in the tank decrease in 5 hours, or 1.8×10^4 seconds? express the answer in scientific notation.

math
Order from least to greatest. A.1/4,0.2,1/2 B.1/2,1/4,0.2 C.0.2,1/4,1/2 D.0.2,1/2,1/4

math
Kyle divided a drink with a volume of 2 1/2 cups into 1/4 portions. How many portions did he he have?

math
A leak in a water tank causes the water level to decrease by 3.6×10^−2 millimeters each second. About how many millimeters does the water level in the tank decrease in 5 hours, or 1.8×10^4 seconds? express the answer in scientific notation.

math
Lily has $18. Matt has twice as much of a third of the amount that Lily has, and Carolyn has $23 more than Matt has. How much money does Carolyn have

Math
A total of 210 people attended the opening night of a school musical. Student tickets cost 3.00 each while general admission tickets cost 7.50 each. If total sales were $1296, how many general admission tickets were sold? Need help setting up the equations

Math
i need help with a few problems. 1. find 3 solutions to the equation y=7x-5

math
Maya needs to make a total of deliveries this week. So far she has completed of them. What percentage of her total deliveries has Maya completed?

Math
At a farm, animals are fed bales of hay and buckets of grain. Each bale of hay is in the shape a rectangular prism. The base has side lengths 2 feet and 3 feet, and the height is 5 feet. Each bucket of grain is a cylinder with a diameter of 3 feet. The height of the bucket is ...

math
What is (f-g)(x)? f(x)=3x^5+6x^2-5 g(x)=2x^4+7x^2-x+16

math
What is (f·g)(x)? f(x)=x^4−9 g(x)=x^3+9

math
What is (f+g)(x)? f(x)=x^2−36 g(x)=x^3+2x^2−10

math
The function ​f(x)​ is the number of feet below the surface of the water a diver is at x seconds. After 14 s, the diver reached the maximum distance of 22 ft below the surface of the water. The diver stayed in the water for 20 minutes. What is the practical domain for the ...

math
Which characteristic is correct for the function f(x)=−2x3+3x ? neither even nor odd even both even and odd odd

Math
.Over a 24-hour period, the temperature in a town can be modeled by one period of a sinusoidal function. The temperature measures 70°F in the morning, rises to a high of 80°F, falls to a low of 60°F, and then rises to 70°F by the next morning. What is the equation for the ...

Math
If r = 3, p = 4, and m = 2, what is g? m^2 = ^8sqrt rp/g^2

Finance Math
You buy furniture for $700. The retailer finances the entire amount for one year and says you will be charged 9% interest. The retailer uses the add-on method. Assuming your first monthly payment is due in one month, calculate the real annual rate you will pay.

MATH- APR of a loan
The owner of an automobile repair center purchased new electronic diagnostic equipment for $12,000. He paid down and then paid 60 monthly payments of $242.81. Determine the APR of the loan to the nearest one-half of a percent.

Math
Select all possible values for x in the equation. x cubed=375. 5*the cubed root of 3 the cubed root of 375 75*the cubed root of 5 125*the cubed root of 3 I am trying to do a practice test to prepare for my real test tomorrow and I don't understand the question. Can anyone help...

Financial math
A five-year loan of $25,000 at 7.2% compounded quarterly requires quarterly payments. (Round your answer to 2 decimal places.) a. Calculate the interest component of Payment 10. Interest component $ b. Calculate the principal component of Payment 13. Principal component $ c. ...

math
Owen and Ethan have $175 together. How much money does each of them have if Ethan has $33 more than Owen?

math
Is tan(90-theta) the same as tan(theta)???

Finance Math
In 4 years, your son will be entering college and you would like to help financially. You decide to create a college fund and make four annual deposits, starting now. In four years, you would like your son to be able to make four annual withdrawals of $7,500 from the fund (at ...

Finance Math
Jennifer just turned 23 and can save $500 per quarter, starting in three months. If Jennifer can earn 7% compounded quarterly, what age will she be when she accumulates $1,000,000?

Math
Solve for theta: cos2theta=1/2

Math
Mark borrowed $200 at 12% compound interest for two years. If he makes no payments. How much interest will he owe at the end of the second year? A $48.00 B $50.88 C $26.88 D $24.00***

Math
Write a sine equation to represent y=-2cos(4x-pi)+2

Math
f(x)=-2sqrt{-x+4} find f-1(x), restricting its domain so that f(x) is truly its inverse.

math
.Over a 24-hour period, the temperature in a town can be modeled by one period of a sinusoidal function. The temperature measures 70°F in the morning, rises to a high of 80°F, falls to a low of 60°F, and then rises to 70°F by the next morning. What is the equation for the ...

math
.In the function f(x), x is replaced with 2x and 1 is added to the function. f(x)=−3sinx What effect does this have on the graph of the function? a. The graph is horizontally compressed by a factor of 2 and shifts up 1 unit b. The graph is horizontally compressed by a factor...

math
.The graph of f(x)=cos(x) is transformed to a new function, g(x) , by stretching it horizontally by a factor of 4 and shifting it 1 unit up. What is the equation of the new function g(x) ?

math
Please people i need your help whoever knows# Mrs Ally went to the market with sh.10,000 to buy the following items; 5 kg of rice @ sh. 600, 2 kg of meat @ sh. 2000, 2 heaps of onions @ sh. 150, 2 kg of sardines @ sh.700 and bus fare sh. 300 @ journey. How much change was she ...

Math/Algebra
The graph of f(x)=sin(x) is transformed into a new function, g(x) , by compressing it vertically by a factor of 1/2 and shifting it 3 units down. What is the equation of the new function g(x) ?

Math/Algebra
Let p(x)=90/9+50e ^ −x . What is p(5) ?

Math/Algebra
On Dolphin Beach, the high tide is 2.2 meters and only occurs at 12 a.m. and 12 p.m. The low tide is 1 meter and only occurs at 6 a.m. and 6 p.m. Which function models the height of the tide t hours after 12 a.m.? a. h(t)=0.6cos(πt/6)+1.6* b. h(t)=0.6sin(πt/6)+1.6 c. h(t)=1....

Math/Algebra
The equation ​ yˆ=−6.2x2+41.5x−5.6 ​ approximates the average number of cars that pass through an intersection x hours after 3:00 p.m. What is the best estimate for the average number of cars that pass through the intersection at 5:30 p.m.? a. 35 b. 47* c. 59 d. 63

math
kevin correctly answered 75% of 32 questions . how many questions did kevin answer correclty

Math
What is the solution set for the quadratic equation x^2 + 6x = -5? I’m honestly confused and don’t know what to do. I don’t think the answer could be F {1} or J {-5} because it says sets. Which leaves me with G {-1,-5} and H{1,5}. Help?

math
Find the area of the figure. Round to the nearest tenth if necessary. D(0,2), E(4, -2), F(8,2) instead of d and f connecting with a straight line, they are connected with half a circle/curve The highest point this semicircle part reaches is (4,6)...if im describing it in a ...

math
Find the area of the figure. Round to the nearest tenth if necessary. T(-1,8), U(3,5), V(4,0), R(-3,0), S(-3,5)

Math
Residents of a small city voted on whether to allow a developer to build a shopping center. The number of voters in favor of the shopping center was 4,400. The number of voters against the shopping center was 17,600. What percent of voters were in favor of building the ...

math
the moon travels about 1.42 * 10^7 meters of its orbit in one twenty-four hour period. which of the following is the most reasonable estimate for the distance the moon travels around the earth in 27 days?

Math
A parabola has intercepts of x = -2, x = 3, and y = -4 how do I write this into these forms: the intercept form (y = a (x – m)(x – n)) and in standard (y = ax2 + bx + c) form

MATH
ratio of rate of diffusion of O2 and CH4

Finance Math
1. Your average daily balance on your charge card for the month of July is $855.28. If your card carries an annual interest rate of 15.4%, what will your finance charge be for July? 2. You buy a car from your neighbor at a price of $9,000. You pay $500 down and pay 9.5% on the...

Math, Finanace
Your annual salary 12 years ago was $14,500; it is now $25,000. What is the average annual rate of increase?

math
How many rectangles can you find with an area of 32?

Math
The values of 4+(1/4+(1/4+1/4+..upto infinity... I don't know how to type that fraction . I have taken a photo and uploaded here. ibb[dot]co/fLqhxH Please help me in solving

math
At midnight the temperature was 21°c. Two hours later it was 3° colder. What was the temperature then

math
Guys help me this question. four yrs ago, Katie was twice as old as Anne was then. In 6 yrs, Anne will be the same age that Katie is now.How old is each now

math
Please people i need your help whoever knows# Mrs Ally went to the market with sh.10,000 to buy the following items; 5 kg of rice @ sh. 600, 2 kg of meat @ sh. 2000, 2 heaps of onions @ sh. 150, 2 kg of sardines @ sh.700 and bus fare sh. 300 @ journey. How much change was she ...

Math
A communications tower is located at the top of a steep hill, as shown in the figure below. The angle of inclination of the hill is 68°. A guy wire is to be attached to the top of the tower and to the ground, 150 meters downhill from the base of the tower. The angle formed by...

Math
Maria is 7 years older then her brother Robert and in 2 years her age will be four times what Robert’s age was three years ago. Find their present ages.

Math
Find the maximum area of a rectangle inscribed in the region bounded by the graph of y = (3-x)/(2+x) and the axes. (Round your answer to four decimal places.)

Math
Consider two nonnegative numbers x and y such that x + y = 12. Find the values of x and y that optimize the following quantity. xy Maximize the quantity. {x, y} = Minimize the quantity. (Order your answers from smallest to largest x, then from smallest to largest y.) {x, y...

Math
You have 700 ft of fencing to make a pen for hogs. If you have a river on one side of your property, what are the dimensions (in ft) of the rectangular pen that maximize the area? shorter side longer side

Math
Find the dimensions (in units) of the closed cylinder with volume V = 16π units3 that has the least amount of surface area. radius units height units

Math
You are the manager of an apartment complex with 50 units. When you set rent at $800/month, all apartments are rented. As you increase rent by $25/month, one fewer apartment is rented. Maintenance costs run $50/month for each occupied unit. What is the rent (in dollars) that ...

Math
You can run at a speed of 4 mph and swim at a speed of 2 mph and are located on the shore, 3 miles east of an island that is 1 mile north of the shoreline. How far (in mi) should you run west to minimize the time needed to reach the island?

Math
Find the volume of the largest right circular cylinder (in units^3) that fits in a sphere of radius 4 units.

Math
It takes the first pipe 9 more hours to fill the pool than the first and the second pipes together and 7 less hours than it would take the second pipe if it was working alone. How long would it take to fill up the pool if both pipes were working together?

math
Find an equation of the plane through the points (3,4,-2) and perpendicular to the vector 2x-3y-z

math
A ladder is intended to reach the wall of a building, but it must clear a fence with the length of d that stands at the distance b from that wall. Find the shortest length of ladder required to arrange this. note use differential calculus

math
The stiffness of a given length of beam is proportional to the product of the width and the cube of the depth. Find the shape of the stiffest beam which can be cut from a cylindrical log (of the given length) with cross-sectional diameter of D

math
let L1 be the line throught (1,-6,2) with direction vector (1,2,1) and L2 be the line throught (0,4,1) with direction vector (2,1,2).Detrmine Whether trh lines are parallel,intersec or skew.if intersec,find the point of intersec

Math
Bill typed 72 pages of words in a day. He typed 1/4 of the pages in the morning and 2/3 of the remaining pages in the afternoon. How many pages did he type in the afternoon?

Math
The sum of ages of daughter and her mother is 46 years.In two year the mother will be three times then. Find age of daughter.

Math
Suppose that P(x) is a linear polynomial with P(6)-P(2)=12. What is P(12)-P(2)?

math
It is a beautiful sunny day at the fair. The U.V. index for this day is 8, or high, so sunscreen is a must for all the young folk. The effectiveness of sunscreen is indicated by the sunscreen protection factor (SPF). The higher the SPF number the fewer U.V. rays can penetrate ...

math
The boy decided to ride the terror tower. at its maximum height, the ride reaches 65m above ground. When the boy reaches the top of the tower, his gum falls out of his mouth. the height of the gum can be given by the model: h=65-4.9t^2 where t is in seconds and h in metres. a)...

math
The busy Mother pours herself a coffee into a paper cup before making her way to the amusement park. The coffee temperature is 35 C when the cup is placed on the kitchen counter. The Mother needs to tend to her son and her coffee is forgotten. When the Mother finally returns ...

Math
For the curve given by 4x^2 + y^2 = 48 + 2 * x * y, find the positive y-coordinate given that the x-coordinate is 2.

Math
A skateboard traveling 7.0 meters per seconds rolls to a stop at the top of a ramp in 3.0 seconds. What is the skateboards acceleration

Math
A quilt maker is creating a design of a sailboat. she needs exactly the same amount of fabric for the sail as she needs for the body of the boat if the length of the bottom of the sail is equal to the short base of the boat what is the length of the long base of the trapezoid ...

Math
Find the volume of the cylinder. Use 3.14 for pi Diameter 34m Hight 27m This is a work pad question

Math
The raw data below represents the number of children living at home in a neighborhood of 24 homes. Which measure best describes the data: mean, median, or mode? Calculate all and explain. 2,1,3,0,4,4,1,2,0,6,2,2,5,0,2,3,3,1,1,4,​2,0,1,4

Math
Suppose you buy a home and finance $255,000 at $2,293.17 per month for 30 years. What is the amount of interest paid? (Round your answer to the nearest cent.)

7th grade math
1. Fatima bought a video game thay has a regular price of $45. The game was on sale for 15 percent off, and she paid sales tax for 7 percent. What was the price Fatima paid for the video game? 2. A special deck of cards consists of 5 red cards, 20 blue cards, and 25 green ...

math
#Please guy i need your help over this question how to do it. Mrs Ally went to the market with sh.10,000 to buy the following items; 5 kg of rice @ sh. 600, 2 kg of meat @ sh. 2000, 2 heaps of onions @ sh. 150, 2 kg of sardines @ sh.700 and bus fare sh. 300 @ journey. How much...

math
The product of Han's height and 7 is 133 . Use the variable h to represent Han's height.

math
What is an example of a composite figure in your home or community? How would you decompose it to find the area? Can you think of another reason that it would be helpful to decompose these figures in addition to making it easier to find the area of the figure?

math
I have 2 questions that i need help on, please help! Thank you and God bless you. 1. A shoebox holds a number of disks of the same size. There are 5 red, 6 white, and 7 blue disks. You pick out a disk, record its color, and return it to the box. If you repeat this process 250 ...

math
(1+1/n)^-n^2 use root test

Math
. A school has conducted an exam for the 8th grade and published the results in the table. Find the measure of the central angle that would represent the percent of students who took German in the 8th grade.

MATH
which expression is not equivalent to 1/343 7^4 * 7^-7 7^7 * 7^-10 7^2 * 7^-5 7^-5 * 7^2

Math
The raw data below represents the number of children living at home in a neighborhood of 24 homes. Which measure best describes the data: mean, median, or mode? Calculate all and explain. 2,1,3,0,4,4,1,2,0,6,2,2,5,0,2,3,3,1,1,4,​2,0,1,4

math
can someone please help me i am lost. S this is kind of like your problems i can help you and you can help me *** the speed of the light in a vacuum is 299,792,458 meter per second which number, written in scientific notation, is the best approximation of the speed of light?

math
determine the product 800.5*(2*10^6)

math
a lab has two bacteria cultures. culture a contains 8*10^4 bacteria, and culture B contains 4*10^6 bacteria. how do the two cultures compare in size?

math
NEED HELP the combines volume of all the tanks at an aquarium is 1.25*10^6 gallons. the aquarium plans to install a new dolphin tank with a volume of 250,000 gallons. what will be the total volume of all the tanks at the aquarium after the new dolphin tank is installed?

math
Dmitri wants to cover the top and sides of this box with glass tiles that are 1 cm square. How many tiles will he need?

math
Khalil took a train from San Francisco to San Jose, which is a distance of 54 miles. The train took 45 minutes for the trip. what was the average speed of the train expressed in miles per hour?

math
i have 1,221 cookies and i have 7 friends, how many will each friend get?

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