# Homework Help: Math

## Branches of Math

## Recent Math Questions

**Math - extreme values**

Identify the critical points and find the extreme values on the interval [-1,-5) for f(x)=cosx+xsinx+3 I've taken the derivative which gives me f'(x)=xcos(x). I know I have to solve to get the critical points and then plug in the critical points that are on the interval and ...

*Thursday, March 9, 2017 by Anonymous*

**Math**

Construct on a single diagram parallelogram ABCD with AB=8cm,BC=10cm and ABC=120 degrees

*Thursday, March 9, 2017 by Tanaka*

**Math**

Multiple Choice 1. The way you communicate with othersâ€”how you say things and what you sayâ€”plays a role in how messages are received by the other person. Which type of communication uses gestures and tone of voice that can seem threatening to the other person? (1 point) ...

*Wednesday, March 8, 2017 by Colo*

**Math**

One corner of a square is folded to its centre to form an irregular pentagon.the areas of the pentagon and of the square are consecutive integers.what is the area of the square?

*Wednesday, March 8, 2017 by Aleena*

**Math**

1. The way you communicate with othersÃƒÆ’Ã†â€™Ãƒâ€ Ã¢â‚¬â„¢ÃƒÆ’Ã¢â‚¬Â ÃƒÂ¢Ã¢â€šÂ¬Ã¢â€žÂ¢ÃƒÆ’Ã†â€™ÃƒÂ¢Ã¢â€šÂ¬Ã‚Â ÃƒÆ’Ã‚Â¢ÃƒÂ¢Ã¢â‚¬Å¡Ã‚Â¬ÃƒÂ¢Ã¢â‚¬Å¾Ã‚Â¢ÃƒÆ’Ã†â€™Ãƒâ€ Ã¢â‚¬â„¢ÃƒÆ’Ã‚Â¢ÃƒÂ¢Ã¢â‚¬Å¡Ã‚Â¬Ãƒâ€šÃ‚Â ÃƒÆ’Ã†â€™Ãƒâ€šÃ‚Â¢ÃƒÆ’Ã‚Â¢Ã...

*Wednesday, March 8, 2017 by Colo*

**Math 6 grade**

Jelly lives 3 and 1/2 miles from school. One morning, her friend was giving her a ride . When they were 2/3 of the way to school ,their car broke down and they had to walk the crest of the way. Draw a picture to figure out how far they walked . I need help because I keep ...

*Wednesday, March 8, 2017 by Unknown1*

**Math**

You visited your local bank. Because of your good credit, they agreed to give you a personal loan, simple interest at a current interest rate of 12.5% APR. you will pay this back in 1 year Interest=prt= Total Payment =Principle +interest = Payment per month= total payment/12=

*Wednesday, March 8, 2017 by Tracy*

**math**

from a group of 5 people, how many ways can 3 be selected?

*Wednesday, March 8, 2017 by lala*

**Math**

Compound interest is a type of exponential growth. Now imagine that Lisa and Elicia each opened a new compound interest account. Lisa deposited $20,000 into her compound interest account. Elicia deposited $15,000 into her compound interest account. Both accounts pay 5% ...

*Wednesday, March 8, 2017 by Jakis*

**math**

I don't know where to start.The questions says: Give an inequality that has the given solution: a) -2 < or = X < or = 7 Am I supposed to substitute something? Or just guess an equation that might work?

*Wednesday, March 8, 2017 by Anonymous*

**math**

calculate the area of a cylinder with a height of 60 cm and a circumference of 62.8

*Wednesday, March 8, 2017 by deblahblah*

**math**

Find a cubic polynomial p(x) so that the solution of p(x) â‰¤ 0 is [-2,1] or [4,âˆž). Is your polynomial the only one that gives this solution? Explain.

*Wednesday, March 8, 2017 by Cat*

**Math**

3m/2/3=7 can someone help me with this question.

*Wednesday, March 8, 2017 by Mo*

**Math\**

Find the smallest number which is greater than 4444 n divisible by 8 formulas

*Wednesday, March 8, 2017 by Anonymous*

**Math**

I brought 10 bananas.Each banana weighed 50 grams. If the price of bananas was $6.50 per kilogram, how much did i pay?

*Wednesday, March 8, 2017 by Anonymous*

**Math**

3m/2/3=7 How can I solve this problem? I need your help

*Wednesday, March 8, 2017 by Mo*

**Math - Calculus**

A piece of wire 16cm long is cut into 2 lengths, one of which is bent into a circle, the other into a rectangle with one side three times the other. a) Determine the ratio of the longer length of the rectangle to the radius of the circle if the sum of the areas of the circle ...

*Wednesday, March 8, 2017 by Anonymous*

**6th grade math**

the volume of a using the formula v=l,w,h. If the base f a prism is 4 inches long, 2 inches wide and the height of the prism is 8 1/2 inches, find the volume of the prism

*Wednesday, March 8, 2017 by Nyan*

**math 6th grade**

mrs.smith class sold bars as a fundraiser. mrs smith made a line plot after the first week to describe the sales so far. the horizontal axis represents the of candy bars sold that week.

*Wednesday, March 8, 2017 by Nyan*

**Math**

A camera lens rotates 15Â° and then stops to take a picture.They it rotates 5 take another picture. The camera takes two pictures in each rotation cycle. How many cycles does the camera lens go through to reach 100 Justify your answer.

*Wednesday, March 8, 2017 by Marina*

**math**

a segment that is half of an inch long is how many sixteenths of an inch long?

*Wednesday, March 8, 2017 by saigelyn*

**math**

solve for x 2/3x-2/3=x/6+4/3

*Wednesday, March 8, 2017 by carter*

**math**

solve for x 4x+5=8+x

*Wednesday, March 8, 2017 by joe*

**math**

ell whether each equation has one solution, zero solutions or infinite solutions 5(x-3)+6=4x+3

*Wednesday, March 8, 2017 by bill*

**Math**

If the total cost of producing X units of a product is given by C(X)= 10,000 + 20xe X/600... find the marginal cost when 600 units are produced

*Wednesday, March 8, 2017 by Tina*

**6th grade math**

On a math quiz, Mary scored 3 points for each of the 12 multiple choice questions she answered correctly, and 5 points for each of the 8 free response questions she answered correctly. What was the total number of points Mary scored?

*Wednesday, March 8, 2017 by Andrew*

**math**

tell whether each equation has one solution, zero solutions or infinite solutions 5(x-3)+6=5x-9

*Wednesday, March 8, 2017 by bill*

**Math**

864 times 2

*Wednesday, March 8, 2017 by Anonymous*

**Math**

A taxi service charges a $1.90 fee for each ride plus an additional .80 per mile. If a taxi ride cost $4.30, how many miles did the taxi travel travel during the ride?

*Wednesday, March 8, 2017 by Amy*

**Math**

Felicia makes 1/2 gallon of fruit punch. She pour an equal amount into 8 glasses. What fraction of the fruit punch in each glass

*Wednesday, March 8, 2017 by Jo*

**Math**

A rectangular garden has a length if 6.8 meters and seea perimeter of 20.6 meters. What is the width if the garden?

*Wednesday, March 8, 2017 by Amy*

**Math**

Given: LM âˆ¥ KN, KL âˆ¥ NM, LP = hÂ1 = 5, MQ = h2 = 6, PKLMN = 42 Find: AKLMN

*Wednesday, March 8, 2017 by Elodea*

**Math**

a scale drawing of a billboard uses the scale 4cm: 9ft. The length of the billboard in the drawing is 11cm. How long is the actual billboard.

*Wednesday, March 8, 2017 by Bryce*

**math**

Write a pair of fractions with common denominators?

*Wednesday, March 8, 2017 by cass*

**MATH**

20. Write the equation of a line that is perpendicular to the given line and that passes through the given point y-3=8/3(x+2); (-2,3) (is there a formula to follow?)

*Wednesday, March 8, 2017 by As*

**Math ASAP**

1. tell whether the lines of each pair of equations are parallel or perpendicular or neither Y=-3x+7 -2x+6y=3 *Perpendicular 2. tell whether the lines of each pair of equations are parallel or perpendicular or neither Y=-1/4x+10 -2x+8y=6

*Wednesday, March 8, 2017 by As*

**Math c2**

Transformation from the graph y=(x^2+9)^1/2 onto the graph 3*(x^2+1)^1/2

*Wednesday, March 8, 2017 by Stephan*

**Math**

A utility company charges $67.65 plus $1.1917 per therm for gas usage in excess of 50 therms. Lastâ€‹ winter, oneâ€‹ homeowner's bill ranged from a low of $196.35 to a high of $214.23. Over what range did gas usage varyâ€‹ (in therms)?

*Wednesday, March 8, 2017 by Sydney*

**Math**

find the measure of the x in the triangle. the other two points are 65 degrees.

*Wednesday, March 8, 2017 by Jack*

**math**

which statement is false? a.every integer is a real number. b.every real number is a rational number. c. every positive rational number has a square root. d.every integer is a rational number.

*Wednesday, March 8, 2017 by kennahthemartian*

**Math**

1. Write an equation in slope- intercept form of the line that passes through the given point and is parallel to the graph of the given equation. (2,-2);y=-x-2 A. y=-2x B. y=2x C. y=1/2x D. y=-x*** 2. Write an equation in slope- intercept form of the line that passes through ...

*Wednesday, March 8, 2017 by EmberShy*

**math**

A triangle has vertices at S(4,1), T(2,-3),and U(4,0). The triangle is translated up 3 units. What are the coordinates of the vertices of the image?

*Wednesday, March 8, 2017 by jay*

**math**

A 10-foot ladder is leaning against a wall. The base of the ladder is 2 feet from the base of the building. How far up the building does the ladder fall?

*Wednesday, March 8, 2017 by syria*

**math**

Tap"A" can fill the tank in 4 minutes .While tap"B" can fill the same tank in 7 minutes . How long will both taps take to fill the tank if they are opened at the same time? The way I worked I took 7Ã— 4 = 28 The answer is 28 minutes

*Wednesday, March 8, 2017 by Rayyan*

**math**

find the sets of valuse of x for which 4x^2 + 19x - 5 <= 0

*Wednesday, March 8, 2017 by skuni*

**Math**

which expression represents the sum of x and negative 11 A.-11+x B.x+11 C.-11x* D.-11-x which phrase is represented by the expression x/-6 A.negative 6 times x B.x divided by negative 6 C. the sum of x and negative 6* D.negative 6 divided by x which phrase is represented by ...

*Wednesday, March 8, 2017 by Emojiess*

**Math**

the wall around a playground 410m. if one wall along length 80 . what is the length of the wall along its breadth. and what is the area of playground

*Wednesday, March 8, 2017 by Syed*

**Math**

Peter spends 1/4 of his salary on food, 1/3 on clothing and 1/5 on school fees. He saved the rest. What fraction if his salary did he save?

*Wednesday, March 8, 2017 by Pamela*

**math**

find the term independent of x in the expansion of (2+x^2)^6 (1-3/x^2)^2

*Wednesday, March 8, 2017 by mushtaq*

**math**

In the triangle below, mc005-1.jpg represents which ratio? mc005-2.jpg

*Wednesday, March 8, 2017 by Anonymous*

**MATH**

1.to convert from a smaller unit to a larger unit you ______ by a power of ten A.add B.subtract C.multiply D.divide 2.Which of the following is a correct conversion of 50 kg? A. 5,000 g B. 50,000 mg C. 50,000 g D. 5,000,000 mg 3.Paul has a board that is 1,200 cm long.Which of ...

*Wednesday, March 8, 2017 by CHEACH PLEASE*

**Math**

A play has two roles for men and four roles for women if five men and 12 women tryout for these parts,in how many different ways can the director choose people for the roles

*Wednesday, March 8, 2017 by Ann*

**math**

Last year, Lucy deposited $3000 into an account that paid 5% interest per year and $7000 into an account that paid 4% interest per year. No withdrawals were made from the accounts.

*Wednesday, March 8, 2017 by DJ*

**Math**

Plane A and B ate both flying eastward with constant velocity in the same horizontal plane at angles 30 degrees and 60 degrees with respect to the horizontal respectively. The speed of A is 100 square root of 3 miles per second. Initially, the pilot of plane A sees plane B ...

*Wednesday, March 8, 2017 by Rian*

**Math**

A swimming pool is filled with water at a constant rate of 9 gallons every 10 minutes. After 30 minutes, the pool is filled with 55 gallons of water. Which equation represents this relationship ? F. y= 9x + 55 G. y= 10x + 28 H. y= 9/10x + 28 J. y= 9/10x + 55

*Tuesday, March 7, 2017 by Derek*

**Math**

write a function rule for the area of a rectangle or picture frame that has a width of 22 in less than its length use the function rule to find the area of the picture frame the length is 39 inches

*Tuesday, March 7, 2017 by Math*

**Math**

To play a game, you spin a spinner like the one shown.you win if the arrow lands in one of the areas marked win.lee played this game many times and recorded her results. She won 8 times and lost 40 times. Use lees data to explain how to find the experimental probability of ...

*Tuesday, March 7, 2017 by Anonymous*

**math**

Last night, Greg was reading a book. At first, he was sitting next to the lamp, which was very bright. Greg could see all of the words in the book very well. Then, he moved to a chair that was farther away from the lamp. It was less bright in the spot where Greg moved. He had ...

*Tuesday, March 7, 2017 by hi*

**Math**

Decide whether the given statement is always, sometimes, or never true. The domain of a rational expression and any simplified form are equivalent. a. sometimes true b. never true c. always true

*Tuesday, March 7, 2017 by Olivia N J*

**Math**

A middle school wants to have its students see a movie at a local theater. The total cost of the theater and movie rental is $1,500. What equation shows how the cost per student depends on the number of students who attend? I'm not really sure what this question is asking me ...

*Tuesday, March 7, 2017 by Angelia*

**Math**

Chet's watch is guaranteed for 90 days. If it stops working six weeks after he bought it,is it still under warranty?

*Tuesday, March 7, 2017 by Aundrea*

**Math**

A basketball player made 63 out of 100 attempted free throws.What percent of free throws did the player make

*Tuesday, March 7, 2017 by Sasha*

**Math**

Chet's watch is guaranteed for 90 days. If it stops working sit weeks after he bought it,is it under warranty?

*Tuesday, March 7, 2017 by Aundrea*

**math**

10cents a minute and they talk 10 1\2 hours how many dollars would it be

*Tuesday, March 7, 2017 by dylan*

**math**

The length of a rectangle is 5 feet more than the width. If the perimeter is 138 feet, what are the length and the width? Length? Width?

*Tuesday, March 7, 2017 by anyomous*

**math**

The length of a rectangle is 9 inches more than the width. If the perimeter is 110 inches, what are the length and the width? Length= Width=

*Tuesday, March 7, 2017 by joshylynn*

**Math**

Tom had 5 3/8 lbs. Of trail mix. He is putting 1/4 lbs. In as many bags as he can, how many can he make?

*Tuesday, March 7, 2017 by Anonymous*

**math**

the length of a rectangle is 7 feet more than the width. If the perimeter is 194 feet, what are the length and the width?

*Tuesday, March 7, 2017 by joshylynn*

**Math**

John says that when you compare two fractions with the same numerator,you look at the denominators because the fraction with the greater denominator is greater.is he correct?Explain,and give an example.

*Tuesday, March 7, 2017 by Kattleen Garcia*

**Math**

A carpenter cut pieces from a 12 foot long board that were 4 3/4 feet long and 3 1/2 feet long. What is the length of the remaining part if the board?

*Tuesday, March 7, 2017 by Amy*

**Math**

On Sunday Lindsey rode her bike 3 times as much as she did on Saturday. On Saturday she rode 3 miles. How far did she ride on Sunday

*Tuesday, March 7, 2017 by Jazmine*

**Math age problem/ Solving Multi step Equations**

Alexa is 15 years less than twice Michael's age. How old are Alexa and Michael if the sum of their ages is 12?

*Tuesday, March 7, 2017 by Person*

**Math**

Factor the following expression completely: 2ab+6a+12abc

*Tuesday, March 7, 2017 by Amy*

**Math**

In Carolina's class, 6/16 of the children have freckles. of the children with freckles, 1/12 have red hair. what fraction of Carolina's class has red hair and freckles?

*Tuesday, March 7, 2017 by Anonymous*

**Math**

Ziggy earned $7.50 per hour plus an additional $100 in tips in Saturday. He earned more than $145 in all. Write an inequality to show h, the amount of hours he may have worked on Saturday.

*Tuesday, March 7, 2017 by Amy*

**Math**

Can someone help me write this as a function. (6, -1); m= -5/3

*Tuesday, March 7, 2017 by EmberShy*

**Math**

A recipe calls for 2 1/4 of salt for every 1 1/8 teaspoon of black pepper. How many teaspoons of salt are needed for each teaspoon of pepper used?

*Tuesday, March 7, 2017 by Amy*

**Math**

Rita's baby brother weighed 7 5/16 pounds when he was born. Since then, her brother has gained 3 3/4 pounds. How much does Rita's baby brother weigh now? Express your answer as a fraction and as a decimal.

*Tuesday, March 7, 2017 by Amy*

**math**

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

*Tuesday, March 7, 2017 by user*

**Hot math questions**

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

*Tuesday, March 7, 2017 by Fuhad Khan*

**Math**

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

*Tuesday, March 7, 2017 by ScoMiche*

**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.

*Tuesday, March 7, 2017 by LOUIE*

**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?

*Tuesday, March 7, 2017 by Anonymous*

**Math**

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

*Tuesday, March 7, 2017 by Anonymous*

**Math**

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

*Tuesday, March 7, 2017 by ScoMiche*

**Math**

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

*Tuesday, March 7, 2017 by ScoMiche*

**Algebra math 150**

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

*Tuesday, March 7, 2017 by Laeeqa*

**math**

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

*Tuesday, March 7, 2017 by Trevor g*

**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

*Tuesday, March 7, 2017 by Gibber*

**Math**

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

*Tuesday, March 7, 2017 by Sean*

**Math**

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

*Tuesday, March 7, 2017 by Abdullah*

**Math**

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

*Tuesday, March 7, 2017 by Justin Elias*

**MATH**

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

*Tuesday, March 7, 2017 by Someone*

**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 ...

*Tuesday, March 7, 2017 by EmberShy*

**Math**

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

*Tuesday, March 7, 2017 by Kaydence*

**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

*Tuesday, March 7, 2017 by Kaydence*

**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

*Tuesday, March 7, 2017 by CanYouHelpMe*

**Math**

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

*Tuesday, March 7, 2017 by Emojiess*

**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?

*Tuesday, March 7, 2017 by Sara*

**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 ...

*Tuesday, March 7, 2017 by Sara*