# Math

## Branches of Math

## Recent Math Questions

**math**

I am stuck on this question Find the area of the irregular figure ( use 3.14 for pi ) round to the nearest tenth.

**Hot math questions**

suppose one of the pairs is missing a shoe. how many shoes are in the closet?

**Math**

4. Identify the sequence 1,024, 64, 4, 1/4,... as arithmetic, geometric, neither, or both,

**Math HELP**

Find the present value of the annuity necessary to fund the withdrawal given. $300 per month for 20 years Annuity earns 7% per year thank you for your time.

**Math - Optomization**

A cylinder is inscribed in a right circular cone of height 6.5 and radius (at the base) equal to 5.5. What are the dimensions of such a cylinder which has maximum volume?

**Math**

Find the point on the line 7x+1y−2=0 which is closest to the point (−1,−3).

**Math**

2. Find the next three terms of the sequence. -2,-12,-72,-432,...

**Math**

1. Write a rule for the sequence 3,-3,-9,-15,...

**Algebra math 150**

how do I explain the process of this problem A=1/2h(a+b)?

**math**

find an expression for F(x) and state the domain of F when F^-1(x)= 1-5x/2x for 0 < x <= 2

**Math**

What is the difference between the largest prime number less than 50 and the smallest composite number greater than 10? 35 36 37 38

**Math**

What object weighs one ounce? 1. Car 2. Newspaper 3. Dog 4. Button plzz help Conexus 2nd grade.

**Math**

Find the area of the region between the curves y=lnx and y=ln2x from x=1 and x=5.

**Math**

I need the answers to the Unit 1 Lesson 13 Geometry test! Please! Connections academy math unit test.

**MATH**

what is the diameter of a circle with a circumfrence of 47.1

**Math**

The temperature at sunrise is 65F. Each hour during the day, the temperature rises 5F. Write an equation that models the temperature y, in degrees Fahrenheit, after x hours during the day. I need help writing the equation, I don't want the answer to the equation but I want ...

**Math**

1. Name the angle that is supplementary to <COD 1. <COA 2. <BOC*** 3. <COB 4. <BOA

**Math**

1. Which is a set of collinear points? 1. J, H, I **** 2. L, H, J 3. J, G, L 4. L, K, H

**Math**

Lisa looked at a group of even numbers. The numbers were 4, 8, 48, and 64. She made a generalization that all even numbers can be divided by 4. Which number below could you use to show weather Lisa's generalization is correct or incorrect. A. 18 B. 28 C. 60 D. 100

**Math**

What repeated number is used as slang in Thailand for "hahaha"? A.333 B.444 C.555 D.666

**Math**

I am six years older than my sister. In five year, her age will be 5/6 of my age then. How old is she today?

**Math**

A large glass of juice contains a mix of half mango juice and half pumpkin juice. A smaller glass contains pure pumpkin juice. If the two glasses are combined in a pitcher, the result will be 60% pumpkin juice. The volume of the small glass is 4 ounces; what is the volume of ...

**math**

Nico invests some money @ 5%, and $2400 less @4%. Investments total $165.00 in intrest in 1 yr. How much did he invest at each rate?

**Math**

a boy standing 70m away from a flag post observe that the angle of elevation of the top and bottom of a tower on top of the flag post are 57 and 69 degrees respectively. find the height of the tower

**Math**

The store is selling lemons at $0.33 each. Each lemon yields about 2 tablespoons of juice. How much will it cost to buy enough lemons to make four 9-inch lemon pies, each requiring half a cup of lemon juice? The first time I tried it, it was 1.32 then i try again and it was 2....

**math**

building lot in a city is shaped as a 30° -60° -90° triangle. The side opposite the 30° angle measures 41 feet. a. what is the length of the side of the lot opposite the 60° angle b. what is the length of the hypotenuse of the triangular lot. c. what are the sine, cosine...

**math**

(13-2)squared + (14-12 divided by 3)= (121) + (2 divided by 3) (121) + (-.6)= 120.4

**math**

you are going on a holiday for 10 days. what date and month will u come back? 7 days in the month of november since nov has 30 days and 3 days of december. so the answer is 3rd december

**math question**

Find the coordinates of the four points which have integer coordinates and are a distance of root 5 from the point (1, 2). Hint 5=1^2 + 2^2

**Math**

A rectangle has sides of 3x+5 and 5x-2. Give the polynomial that represents its perimeter.

**Math**

The student population at a university dropped from 8,500 to 8245 in one year. Determine the percent decrease over the year.

**Math**

Joe invests $1500 for 1 year at 7.5%. How much interest will he earn?

**Math**

There are three consecutive even integers such that the sum of the first two integers is four less than the third integer. What are the integers?

**math please check**

(13-2)squared + (14-12 divided by 3) (11 * 11) + -.6 121+ -.6 =120.4

**math please check**

(19-3)*(11-2)+8 squared=209

**Math**

Find three consecutive odd integers such that four times the middle integer is two more than the sum of the first and third.

**math NEED HELP ASAP**

The Royal Fruit Company produces two types of fruit drinks. The first type is 60% pure fruit juice, and the second type is 100% pure fruit juice. The company is attempting to produce a fruit drink that contains 70% pure fruit juice. How many pints of each of the two existing ...

**math**

Find three consecutive odd integers such that four times the middle integer is two more than the sum of the first and third. I think I'm doing it wrong. 4((x)+(x+2)=x+(x+4)+2 4(2x+4)=2+3x+6 8x+16=3x+8 5x=8 ? Please help

**math**

can someone check this (9-2)squared +(7-10 divided by 5) 49 + -3 divided by 5 49.6

**Math**

In a Canadian Football League game, the path at one particular kick-off can be modelled using tge function h(d)=-0.02d^2+2.6d-66.5,where h is the height of the ball and d is the horizontal distance from the kicking team's goal line,both in yards. A value of h(d)=0 represents ...

**Math**

posted my last question wrong. 1) The slope of a line is 3/4, the line passes through the point(4,7). Where does the line intersect the y-axis? 2) If x/y=z, and x*y*a=0, which of the following variables have to=0? Assume each of the variables is = to a different number. 3) ...

**Math**

4 oranges and 6 grapefruit cost $2.62. 7 oranges and 5 grapefruit sell for $2.66. What is the cost of 1 grapefruit, and 1 orange?

**Math**

Tyrone makes a cup of hot tea. He records the temperature of the tea right after making it. He also measures the temperature of the tea every few minutes as the tea cools. Fill in the blanks with the words below: The _____ depends on the _______. This means that time is the ...

**math**

Plz explain to me how to do this : The angles of an equilateral triangle are congruent. If x represents the measure of one angle of an equilateral triangle which equation represents the sum of the angle measures of the triangle A. x+x=90 degrees B.x+x+x=90 degrees C.x+x=180 ...

**math**

(9-2)squared +(7-10 divided by 5) 7tmes7 49 + -3 divided by 5 far as i got

**Math**

If a person walks 4/5 miles in each 1/10 hr. How fast is the person walking per hour?

**Math**

1. What is the length of the radius of the larger cone? The slant height of cone A is 12 and the radius is 8 The slant height of cone B is 15, I am trying to figure out the radius of this one... How do I do it? A:10 B:11 C:12 D:13 2. What is the length of the diagonal for the ...

**Math**

Write an equation and solve for x: Three more than twice x when x=9 1. Write the equation 2. Solve the equation My answer: 2x + 3 = 9 Would this answer be correct?

**math**

thanks that was it 7*(4*10-7squared) +4 = -59 Iam trying to learn what order i do these to help my son

**math**

the difference of two numbers is 27. 2 times the smaller number minus 3 times the larger is smaller number minus 3 times the larger number.

**math**

7times (4times10 - the 7 is squared) +4

**math**

7times (4times10-7squared)+4 we got -5

**math**

14 minus 25 do you subtract 14 from 25 to get neg

**math**

sorry i left something out (15 + 19) -6 divided by 2 - 5squared we got neg 29

**math**

t = time d = distance Alana walking rate: 1 meter per second Gilberto walking rate: 2 meters per second Leanne walking rate: 2.5 rating per second Alana Equation: d = t Gilberto Equation: d = 2t Leanne Equation: d = 2.5t I made a table for the first ten seconds of each of the ...

**Math**

At Laurita's bakery 3/5 of the baked goods are pies and the rest are cakes. 1/3 of the pies are coconut. 1/6 of the cakes are angel-food. What fraction of all of the baked goods at Laurita's Bakery are coconut? What fraction of all the baked goods at Laurita's bakery are angel...

**Math**

If a women currently makes $20 per hour, but gets a 10% raise which represents 1/10 of her hourly wage, what will be her new hourly wage?

**math 1**

y = -3x + 18 3x + 4y =0

**Math**

If there are 15 flowers in a basket.8 out of 15 flowers are red. What fraction of flowers are red?

**Math**

Amanda uses the equation y=kx to determine how much money she earns after working any number of hours (x). Amanda earned $350 after working 40 hours. What is the value of k in Amanda's equation?

**Math**

The amount of money Jeff earns varies directly with the number if hours he works. Jeff worked 40 hours and earned $560. What is the constant of variation (in other words, what is Jeff's hourly wage) for Jeff's earnings?

**Math**

Tyrone's bank account had a balance of -$61.25 last week. His paycheck of $291.75 was deposited this week. What is his bank account balance now?

**math 1**

x + y = 8 y = 1/3x + 4

**Math**

the ratio of A to B is 3:8 and the ratio of B to C is 1:6 what is the ratio of A to C

**Math**

A triangle is cut from a rectangle. The height of the triangle is half of the unknown side length ss. The area of the shaded region is 84 square inches. Write an equation you can use to find the side length ss. An equation is __________ =84 Help me with an equasion

**math 73**

if creamery is 22% butterfat. how many gallons of cream must be mixed with milk testing at 2% butterfat to get 20 gallons of milk containing 4% butterfat

**Math**

From midnight to 6:00 am, the temperature rose 8°C. At 6:00 am, the temperature was -20°C. What was the temperature at midnight? -------------------------------------- Thank you for reading, i'm highly confused on the answer and any help would do greatly! Thank you.

**Math**

1.Which solid has one base that is a triangle and three lateral surfaces that are triangles? A:Triangular Pyramid*** B:Triangular Prism C:Rectangular Prism D:Rectangular Pyramid 2.A solid with two parallel and congruent bases cannot be which of the following: A:Cone*** B:Prism...

**Math**

A $4,000.00 principal earns 5% interest compounded annually. After 4 years, what is the balance in the account? A. $500,000.00 B. $4,862.03 *** C. $4,600.00 D. $20,250.00

**math**

i need help... i dont know hoe to explain this or how to solve it. Find the function rule: x= -2,-1,0,1,2 y= 9,4,-1,-6,-11

**Math**

cheryl used 1 inch thick wood to build a planter for some flowers. the planter has 4 sides and a bottom but no top. the outside dimensions are 3 feet long, 6/12 inches wide, and 6/12 inches high. cheryl wants to know how much space the planter takes up. what is the volume of ...

**Math**

You are working as an office apprentice for a collage. The collage is giving away free tickets to encourage more people to visit the amateur sport tournaments the collage is planning to host. Every time a customer purchases a ticket they are entered into a draw. Each draw is ...

**math**

what are equivalent to 20:36 ratios theres 3 of them what are they

**Math**

i am thinking of a number i multiply it by 10 and add 24 i get the same answer if i multiply 3 and add 101

**Math**

James has set up an ordinary annuity to save for his retirement in 17 years. If his quarterly payments are $650 and the annuity has an annual interest rate of 7%, what will be the value of the annuity when he retires? 650(1+.07/4)^17-1 =.3430281149 .3430281149/(.07/4) =19....

**Math**

Andy has set up an ordinary annuity to save for his retirement in 16 years. If his semi-annual payments are $250 and the annuity has an annual interest rate of 7.5%, what will be the value of the annuity when he retires? How do I solve this equation? What steps do I take to ...

**math**

from the top of 50 metre high hill the angle of depression of the top and the bottom of a tower are 30°and45°.find the hight of the tower

**Math Help**

Melanie would like to have $25,706.30 in an ordinary annuity in 5 years. The annuity has a 10.8% annual interest rate, and she plans on making quarterly deposits. How much should she deposit per quarter? Would this be the way I solve the question? (1+.108/4)^5-1 [.108/4] = ....

**math**

Pamela is 8 yrs younger than John. In 5 yrs the sum of their ages will be 40. What is their present ages

**math**

Consider a billion-sided regular polygon that is circumscribed around a circle of radius r; how are its area and perimeter related?

**math**

The area of a circle of radius r is Ï€r^2, which happens to be 1/2r times the circumference 2Ï€r. Explain why this relationship should be expected.

**math**

A pharmacist has an 18% alcohol solution and a 40% alcohol solution. How much of each should he mix together to make 10 liters of a 20% alcohol solution?

**Math**

In Alaska Mt.McKinley is 890 meters taller than Mt. Foraker and 1198 meters taller then Mt. Blackburn is 4996 meters. What is the height of Mt. Foraker?

**Math**

Find the probability that with one spin, the spinner will not stop on A. Write the answer as a reduced fraction. letters - E A D E F C A B Counter Clockwise

**Math**

Describe a real world situation that could be represented by planes slicing a three dimensional figure to form cross sections

**math**

When sixty-five and fourteen hundredths is subtracted from eighty and forty-eight hundredths, what is the difference?

**Math**

How many positive integers less than 100 and divisible by 3 are also divisible by 4?

**Math fractions**

Eric Practiced piano and guitar for a total of 8 hours this week. He practiced the piano for one fourth of that time. How many hours did Eric practice the piano this week?

**math**

a phone tree is used to let committee members know ameeting is cancelled. The committee chair calls 5 people Those 5 people each call 5 people, and those additional people call 5 people. how many members have been called

**math**

If I give you $40 then the ratio of my money to yours is 4 : 5. On the other hand, if you give me $40, then the ratio is 8 : 1. How much money do both of us have? please show all steps

**math**

A store bought a chalkboard at a cost of $90 and marked it up 150%. Zach, who works as a salesperson at the store, makes an 8% commission on all of his sales. Yesterday morning, Zach sold the chalkboard. How much commission did he make from this sale?

**Math**

Barbara has a mixed garden that has 16 rows of different flowers and vegetables. One fourth of the rows are lettuce, 1/8 of the rows are pumpkins, and 1/2 of the rows are red tulips. The other rows are carrots. How many rows of carrots are in Barbara's garden?

**Math**

Construct the amortization schedule for a 15,000 debt that is to be amortized in 10 equal semiannual payments at 6% interest per half-year on the unpaid balance

**math**

Why is there two different formulas, recursive and explicit. When do you use it?

**Math**

Name the point with the given coordinates (4,-2).

**Math**

There are 52 white keys on a piano. The lowest key is A. The keys are designated A, B, C, D, E, F, and G in succession, and then the sequence of letters repeats, ending with a C for the highest key. a) If five notes are played simultaneously, in how many ways could the notes ...

**Math- Interest Rates**

Yvonne put $4,000 in a savings account. At the end of 3 years, the account had earned $960 in simple interest. A. how much does she have in her account at the end of 3 years? B. at what annual simple interest rate did the account grow? c. how many more dollars would she have ...

**math**

A square is inscribed in a circle. If the area of the square is 9 in2, what is the ratio of the circumference of the circle to the area of the circle?

**Math - Trig**

Two buildings of equal height are 850 feet apart. An observer on the street between the buildings measures the angles of elevation to the tops of the buildings as 29° and 40°. How high, to the nearest foot, are the buildings? I don't know how to set this up

**Math/Algebra**

The function T(x)=0.25(x-4400)+440 represents the tax bill T of a single person whose adjusted gross income is x dollars for income between $4400 and $17,600 inclusive. (a) What is the implied domain of the linear function? (b) What is a single filer's tax ...