# Math

## Recent Questions

**Math**

Which situation results in a final value of exactly zero? The temperature outside was 50* below 0 at 7:00 am. The temperature rose to 3* in each of the next 4 hours. Hector earned 7.50 for every 8 hours of work. He used 60 of this money to buy video games. Mrs.Kaplan received ...

**Math**

Use the method of cylindrical shells to find the volume generated by rotating the region bounded by the curves x=y^(1/2), x=0, and y=4 about the x axis.

**Math**

The volume of the solid obtained by rotating the region bounded by y=e^x, y=Inx, x=1, and x=2 about the line y-axis can be computed using the method of cylindrical shells. Using the method of cylindrical shells find the volume.

**Math**

11. Which inequality matches the graph I’ll link you to the graph

**Math(cal2)**

Find the volume of the solid whose base is the region bounded by the x axis, the curve y=(x^2+9)^(1/2), x=1,x=3 and which has the property that each cross section perpendicular to the x axis is equilateral triangle.

**Math**

Help me -3p>-48 Also plz help explain the process I’m really stuck on this one Thanks

**Math**

Daisy saved 4/5 of her salary. She gave 1/3 of the money she had saved to her mother. If she gave $300 to her mother, what was her salary?

**Java programming**

How can I do the math specifically on this The water rates vary depending on the type of usage. A code of H means home use, a code of C means commercial use, and a code of I means industrial use. Any other code value should be treated as an error. Water rates are computed as ...

**Math (Calculus)**

The prompt for this question is f(x) =sin(x^2) A)Write the first four terms of the Maclaurin series for f(x) B)Use the Maclaurin series found in Part A to approximate the integral from 0 to 1 of sin(x^2) dx C)How many terms are needed to find the value of the integral given in...

**Math**

Translate the phrase, "two squared minus 44," into a mathematical expression and then evaluate it.

**Math**

Suppose theta is an angle in standard position with cos theta > 0. In which quadrants could the terminal side of theta lie? Select two answers. I II III IV I don't know what this means:(

**Math**

Andre rose his bicycle to a park located 5 1/2 miles from his house. He returned along the same route. After riding 7 1/3 miles total, how many more miles does Andre need to ride to reach his home?

**Math (Calculus)**

How can I sketch a graph of the first two partial sums for the following power series: Sum(n=1 to infinity) ((2x+5)^n) / (n(4^n))

**Math**

If theta is the smallest angle in a right triangle with side lengths of 3, 4, and 5 units, then what does sin theta equal? 3/4*** (???) 3/5 4/5 5/3

**Math (Calculus)**

Consider the curve represented by the parametric equations x(t)= 2+sin(t) and y(t)=1-cos(t) when answering the following questions. A) Find Dy/Dx in terms of t I got tan(t) B) Find all values of t where the curve has a horizontal tangent. I got (+-)(pi)(n) C) Find all values ...

**Math**

The prompt for this question is f(x) =sin(x^2) A)Write the first four terms of the Maclaurin series for f(x) B)Use the Maclaurin series found in Part A to approximate the integral from 0 to 1 of sin(x^2) dx C)How many terms are needed to find the value of the integral given in...

**math**

write a ratio and a percent for the shaded area

**Math**

A and b has $1250 b and C has l830 !nd A and C has 1060. Who has the least money?

**math**

In a mixture of concrete, there are four lb of cement mix for each pound of gravel. If the mixture contains a total of 215 lb of these two ingredients, how many pounds of gravel are there?

**Math**

What is 1/2% of 18 Can you show me the steps please?

**Math**

Find the volume of the solid obtained by rotating the region enclosed by y=x^2, y=6x about the line x=0using the method of disks or washers.

**Math**

Consider the curve represented by the parametric equations x(t)= 2+sin(t) and y(t)=1-cos(t) when answering the following questions. A) Find Dy/Dx in terms of t B) Find all values of t where the curve has a horizontal tangent. C) Find all values of t where the curve has a ...

**Math**

From 6:0000 a.me to 11:00 a.me the temperature went up steadily at 40 degree Celsius at a rate of 2 each hour. How many degree Celsius did it increase? What was the temperature at 6:00 a.m? Solve it using block method

**Math**

a container has 3/4 gallon of pineapple juice in it. This is 6/7 of the amount originally in the container . How much was originally in the container.

**Math**

50 = 1/2 π (4.88)² dr/dt Can someone solve this?

**Math**

You are packing books into a box. The box can hold at most 10 books. The function y=5.2x represents the weight y (in pounds) of x books. a. Is 52 in the range? Explain. b. Is 15 in the domain? Explain. C. Is the domain discrete or continuous?

**Math**

How do you find the radius of convergence and interval of convergence for the following? Sum(n=1 to infinity) ((2x+5)^n) / (n(4^n))

**Math**

Consider the curve represented by the parametric equations x(t)= 2+sin(t) and y(t)=1-cos(t) when answering the following questions. A) Find Dy/Dx in terms of t B) Find all values of t where the curve has a horizontal tangent. C) Find all values of t where the curve has a ...

**Math**

True or False. 1. Every function is a relation. 2. When you switch the inputs and outputs of any function, the resulting relation is a function.

**Math**

Charley has a bag of color tiles. In Charley's bag there are 15 red tiles, 4 blue tiles, 1 yellow tile, and 30 green tiles. Charley removed one tile from the bag, then a second tile, and a third tile. What is the probability that the tiles came out as 1 red, 1 green, and then ...

**Math**

The prompt for this question is f(x) =sin(x^2) A)A. Write the first four terms of the Maclaurin series for f(x) B)Use the Maclaurin series found in Part A to approximate the integral from 0 to 1 of sin(x^2) dx C)C. How many terms are needed to find the value of the integral ...

**Math**

Sum(n=1 to infinity) ((2x+5)^n) / (n(4^n)) Can someone write out the steps to finding the center point for this power series?

**math**

f(x){4x-10, if x<=2 f(x){7-1/2x if x>2 Find the domain and Range

**Math**

Just when I got the hang of probability, I get this question and I'm so lost. Can anyone help? Molly has a jar containing 4 yellow, 3 blue, 3 green, and two orange marbles. Molly returned all marbles to the jar. She then removed some marbles of one color from the jar. The ...

**Math**

w^3 + 343/ w^11 - 49W^9 (times) w^12 -14w^11 +49w^10/ w^2-7w +49

**Math**

Find the value of k so that the line containing the points (−5,k) and (7,3) is parallel to the line containing the points (−8,−8) and (−1,−14)

**Math**

Suppose f(x)=x^3 and the graph of g(x) is the graph of f(x) shifted vertically up 1 units and horizontally to the right 3 units. Find the Formula fir g(x)

**Math**

What does one more than a multiple of 3 mean?

**math ( percentages)**

Alisha used to earn a salary of £14000. How much does she get after the 7% rise? i tried doing 7%*14000, but i kept getting a number less then 14000. Is that suppose to happen?

**math**

What is the percentage of sugar in the syrup made of 10 kg of water and 2 kg of sugar?

**Math**

The length of the top of a work bench is 5 m greater than the width. The area is 66 m^2. Find the length and the width.

**Math**

I'm stumped on this question, would appreciate some help please. Ms. Babalola has a bag that contains 4 white beads, 6 red beads, 5 yellow beads, and 5 blue beads. One head is selected and not replaced. Then a second bead is selected and replaced. Then a third head is selected...

**math**

The boss gives all his employees a 7% pay rise. Paul used to earn £10 an hour. How much does he get after the rise?

**Math**

Twenty members of a group contributed sh 80000 each to buy a piece of land. They already had sh 120000 in a bank out of which sh 20000 was to remain in the bank and the rest spent in buying the price of land. How much did the piece of land cost?

**Math**

Does the rule y=-3(4^x) represent an exponential function? a. yes b. no ***

**Applied Math**

How would I set this up to work? When a number is divided by 5 and the quotient is increased by 8, the result is 16. Find the number.

**Math**

would I set up this problem and work it this way? (x5) ^8 =16

**Math**

Twenty members of a group contributed sh 80000 each to buy a piece of land. They already had sh 120000 in a bank out of which sh 20000 was to remain in the bank and the rest spent in buying the price of land. How much did the piece of land cost?

**Math**

Hello Ms.Sue So, 0.06% x $75 = to 7500 ? or what did I do wrong?

**Math**

5% of a number is equal ti 25. Would this be 20 A.S.A.P.

**Math**

Pupils in a school prepared a circular flower garden of diameter 28 meters. They dug holes each 4 meters apart along the circumference for planting flowers. How many holes were dug?

**math**

The number of children at a film show was 49 more than that of adults . They entry fee for each child was sh 15 while that of each adult was sh 30. The total amount of money paid by the was sh 2055. How much money was paid by the children and the adults altogether?

**Math**

Jane is 5 years younger than Mary. How old is Jane if Mary is 23 years old? Please show step so I can understand how you get the answer .Because word problem confuse me.Thank you in advance

**Math Geometry square roots no calculator help ASAP**

please some help me I'm stuck on this question describe how to estimate the square root of a number that is not a perfect square without a calculator please make it as simple as possible 7th grade math connections

**math**

You have $2.60 in quarters and dimes. You have five fewer quarters than dimes. What would the associated system of equations look like in augmented matrix form? A |0.25 -5|2.6| |0.1 5| 1 | B |0.25 2.6| 1 | | 1 5 | -1| C |0.1 -1 |2.6| |1 0.25| 5 | D |0.1 0.25|2.6|*** | 1 -1 | 5...

**math**

The cost cc (in dollars) for the fuel and maintenance of a go-cart is given by c=10x+900c=10x+900, where xx is the number of rides. It costs $25 per ride. How many rides does it take to break even?

**MATH HELP QUICK**

1. 2(x – 3) = 2x one solution no solutions infinitely many solutions 2. 3(y – 3) = 2y – 9 + y one solution no solutions infinitely many solutions 3. 10x – 2 – 6x = 3x – 2 + x one solution no solutions infinitely many solutions 4. 4(x + 3) + 2x = x – 8 one ...

**Math PLZ HALP**

what is p = 3qr solved for q

**Math**

What is 12%of 50 A.6 B.7 C.5 D.24 I NEED HELP NOW PLZ

**math**

Translate the phrase into an algebraic expression 7 more than the product of 14 and Vanessa's age

**Math**

I'd like to know if I'm understanding how to set up the problem. Mrs. Vasquez selects a marble from a jar containing 6 red marbles and 2 green marbles, and does not replace it. She then selects a second marble and does not replace it. She then selects a third marble. What is ...

**math**

if there are 60 sixth graders how many sixth graders owned cats (there is a circle graph showing: Reptiles:5%, Birds:5%, Fish: 10%, Cats: 35%, and dogs: 45%)

**math**

toyland is having a sale.all items are 20% off.how much will you save on an item that usually sells for $45?

**Math**

One endpoint of a line segment is (-7, 2). The midpoint of the line segment is (-1, -2). What are the co-ordinates of the other endpoint?

**math**

a spinner wheel with 3 color choices red, blue, and yellow) is spun and a 4 sided die I rolled. list the possible outcomes described in the situation.

**math**

Write an equation for each situation using the two given variables.(a) Gwen received a gift card for $400. She uses it each month to treat herself to a mani-pedi for $35. Let D be the money on her gift card after m months.

**Math help please**

Can somebody please help explain what I'm supposed to do? "Maya's school held an aluminum collection program in which they collected aluminum and brought it to be recycled. In the first week, Maya collected 4/20 lb of aluminum and her friend Abigail collected 7/8 lb. a. which ...

**math - statistics**

There has been a rise in supermarket-owned brands in Australia. These are commonly available in supermarkets such as Woolworths, Coles and Aldi. It has been said that these brands account for almost one-quarter of all grocery sales. It has also been claimed that the quality of...

**math**

The rate of change in the number of miles of road cleared per hour by a snowplow is inversely proportional to the depth of the snow. Given that 24 miles per hour are cleared when the depth of the snow is 2.2 inches and 13 miles per hour are cleared when the depth of the snow ...

**math**

The table below shows the average diameter of a pupil in a person's eye as he or she gets older. age (years). Average Pupil Diameter (mm) 20 4.7 30 4.3 40 3.9 50 3.5 60 3.1 70 2.7 80 2.3 What is the average rate of change, in millimeters per year, of a person's pupil diameter ...

**Physics**

Three charges are arranged as shown in the figure below. Find the magnitude and direction of the electrostatic force on the charge q = 5.12 nC at the origin. (Let r12 = 0.320 m.) I did the math and for mag i got 1.41E-5 N.for the direction i seem to keep getting a wrong answer...

**Math!!!**

What is (8+11)×(-3)

**Math**

How do I find the indicated values of these? A.) vP1 B.) vC1

**Math**

if there are 60 sixth graders how many sixth graders owned cats (there is a circle graph showing: Reptiles:5%, Birds:5%, Fish: 10%, Cats: 35%, and dogs: 45%)

**Math**

After paying mom, you find that you have 13 bills. The number of ten dollar bills you have is twice the number of five dollar bills. The number of one dollar bills is two less than six times as many ten dollar bills. Find the number of each bill that you have. Write an ...

**Math**

Pleas check my answers Directions: Calculate the mean, median, mode & range for the following data sets. If a data set does not contain a mode, write 'no mode' for mode. 1) 61, 98, 60, 60, 57, 81, 93 Mean Median Mode Range 2) 72, 18, 78, 94, 94, 73 Mean Median Mode Range 3) ...

**math**

Using the vertices: B(-9,1), E(2,3), F(12, -2), G(1,-4). Determine whether BEFG is a rhombus, a rectangle, or a square. List all that apply and show the steps

**Math**

One mixture contains 6 fluid ounces of water and 10 fluid ounces of vinegar. A second mixture contains 9 fluid ounces of water and 12 fluid ounces of vinegar. Are the mixtures proportional? If not, how much water or vinegar would u add to the second mixture so that they are ...

**math**

Determine whether the figure with vertices R (-2, 5); O( 1,3); M(-3, -4); Y(-6,-2) is a parallelogram. Use the Distance and Slope Formulas.

**Math**

What is 10,000 divided by 1000

**math**

what is 18% of 75?

**math**

Chef Potato's body has a cylinder in the middle and two half spheres that make up his bottom and head. He has the two dimensional shape measurements as follows: 20 cm in total length, 5 cm between the end of the cylinder and the top of the top sphere. Reduce Chef 1.) Potato by...

**math**

Nine more than the quotient of two and a number x.

**math**

HOW TO FIND A RATIO

**math**

20/5= m/25 A. 5 B. 40 C. 100 D. 120

**math**

How do i work out the LINEAR ACCELERATION (and LINEAR VELOCITY) for a point on the circumference of the FLYWHEEL at its max ROTATIONAL VELOCITY.

**Math**

If line A is a perpendicular bisector of MN, then which of the following statements is NOT true? 1)line A and MN intersect at a right angle 2)line A splits MN into two congruent segments 3)MN splits line A into two congruent segments 4)line A intersects MN at the midpoint of ...

**Survey of Math**

A math class contains 7 females (three of whom speak French and the rest speak only English),and 12 males (two of whom speak French and the rest speak only English). a) A student in the class is chosen at random. If you're told the student is female, what is the probability ...

**Math**

The temperature on Tuesday was -2 degrees F write an inequality to compare the temperatures.explain meaning of the inequality

**Math**

Two Consecutive even numbers are such that half of the larger number exceeds one-forth of the smaller number by 5.then the larger number is ?? 1)16 2)18 3)32 4)34

**math**

find the largest number which divides 245 and 1029 Leaving remainder 5 in each case

**Math**

monica paid sales tax of 3.50 when she bought a new bike helmet if the sales tax was 7% how much did the store charge for the bike helmet before tax

**math**

Hari spends 25%of his salary on house rent, 50%on food and other items, 10%on the education of his children and the rent he save Rs 936 per month, what is his salary per month

**Math**

Mrs lee is four times as old as her son. Her son is 36 years old younger than her. How many years ago was mrs lee seven times as old as her son

**Math**

let g(x)=root25-x^2. The range of a function that will translate the graph of 6 units to the right and 2 units up is ____<=y<=______ Fill in the blank

**Math**

What value of x makes this equation true: 3x + 2 + (-1) equals x + 6 + -1 ???

**Math**

If I spend one third of my money on ice cream an half on a book what fraction of my money would I have left

**math**

A museum charges $4 for a group of 4 or fewer people. A group of more than 4 people must, in addition to the $4, pay $2 per person for the number of people above 4. The maximum group size is 9. (a) What are the domain and range of this cost function? Enter your answers as ...

**math**

What is the base 7 representation of the number 275? 21201 is the base 3 representation of what number? I'm having trouble with both questions. Can someone help me out? I tried using the internet but I was still confused.

**Math**

A floor refinishing company charges $1.87 per square foot to strip and refinish a tile floor for up to 1000 square feet. There is an additional charge of $250 for toxic waste disposal for any job which includes more than 150 square feet of tile. A. Find the Domain and Range