# Homework Help: Math

## Branches of Math

## Recent Math Questions

**Math**

At what time do the hands of a clock form an acute angle

*Monday, March 27, 2017 by Jayjay*

**Math**

On a quiz a student answered 16 questions correctly. This was 80% of the questions on the quiz. How many questions were on the quiz? 6th grade math.

*Monday, March 27, 2017 by Tasleem*

**Math**

How do you make this problem true 4+3x5-1=22

*Monday, March 27, 2017 by Mike*

**Math**

To win a trivia game you need atleast 60 points. Each question is worth 4 points. So far , you have earned 24 points. Write and solve an inequality that represents the number of questions you need to answer correctly to win a game.

*Monday, March 27, 2017 by Aniyah*

**Math**

what is the unit price if a 4-pack of candy bars sells for $2.12

*Monday, March 27, 2017 by tazzy*

**Math**

Solve the system equations y=4x+8,x^2+7x-20 I'm truly lost

*Monday, March 27, 2017 by Lynette*

**math**

Recipe calls for 2 cups flour to 3/4 cup milk. How much milk would I need for 11/4 cups flour?

*Monday, March 27, 2017 by Anonymous*

**Math**

The net shown below forms a square pyramid. Find the surface area of the square pyramid. The numbers are 5, 5 and 4. How do I do this?

*Monday, March 27, 2017 by Patrick-Ms Sue*

**Math**

A carton can hold 1,000 unit cubes that measures 1inch by 1 inch by 1 inch. Describe the dimensions of the carton using unit cubes? I don't understand the question

*Monday, March 27, 2017 by Joshua G*

**math please help me out fam**

For questions 1 and 2, use integer values of from –3 to 3 to graph the equation. 1) y = –2x2 + 3 2) y = one-third |x| –2 Find the horizontal change and the vertical change for the translation 3) p(4, –4) right arrow (–4, 7). 4) The point c(3, –1) is translated to ...

*Monday, March 27, 2017 by jassie*

**math**

Which equation means three minus a number is equal to 7? A. g – 3 = 7 B. 7 – 3 = g C. 3 + g = 7 D. 3 – g = 7

*Monday, March 27, 2017 by mia*

**Math (check answers)**

ultiple Choice 1. What is a reasonable distance between two cities? (1 point) 200 km ** 200 m 200 cm 200 mm 2. Which value correctly completes the statement? 6,501.5 km = ______ m (1 point) 6,501,500 ** 65,015 650,150,000 650.15 3. Find the perimeter of the rectangle with ...

*Monday, March 27, 2017 by maggie*

**math help? burnet help.**

How is the the graph of y=1/4x -4 obtained from the graph of y=1/x? Horizontally stretched by a factor of 4 and shifted up by 4 units. Vertically stretched by a factor of 4 and shifted down by 4 units. < my answer Horizontally compressed by a factor of 4 and shifted down by...

*Monday, March 27, 2017 by allen*

**math**

find the sum of interoir angles of a anagon 140 1620*** 1260 1450

*Monday, March 27, 2017 by bogger*

**Math**

Eleven seats on a condominium association board for buildings Amity, Buddy, and Chum are to be apportioned. Current Representation: Amity Buddy Chum 1 800 2113 4050 2 267 704 1350 3 133 352 675 4 80 211 405 5 53 141 270 Use the given table of Huntington-Hill numbers to list ...

*Monday, March 27, 2017 by Katie*

**Math**

I don't get this: Arya makes cupcakes at a bakery. She needs 2 cups of sugar for every 3 cups of flour. She needs 5 cups of flour to make a day's worth of cupcakes. How many cups of sugar will she need? (Round your answer to the nearest tenth.) Can you please help?

*Monday, March 27, 2017 by Anonymous*

**Math**

Use the Hamilton method of Apportionment to make the assignment. In a recent census, Iowa's population in thousands was 4,503, Illinois' was 8,220, and Indiana's was 5,300. Allocate 31 members of the U.S. House of representatives to these three states. Possible Answers: Iowa: ...

*Monday, March 27, 2017 by Catherine*

**help math!**

Elisabeti bikes from home to the grocery store and back to pick up in- gredients. On the way to the store, she averages 15 mph. Encumbered by groceries, she averages 10 mph on the way back. What is her average speed for the whole hour?

*Monday, March 27, 2017 by Sara*

**help with math!**

Morwen bikes around his neighborhood for an hour. He averages 15 mph for the first 40 minutes, but then he tires and averages 10 mph for the last 20 minutes. What is is his average speed for the whole hour?

*Monday, March 27, 2017 by Sara*

**math**

What is the circumference of the circle? Round your answer to the nearest foot. ( The inside says 28ft )

*Monday, March 27, 2017 by mim*

**Math**

This table shows the number of hours Harry spent watching television and the hours he spent doing his homework on three days last week. hours of tv: 1.5 2 3 hours of homework: 2 1.5 1 What kind of relationship do these data appear to have? A. Directly proportional. B. ...

*Monday, March 27, 2017 by Yo*

**math**

a bag of fruit contains 3 apples, 2 oranges, 1 banana, and 4 pears. Gerald will randomly select 2 fruit at a time from the bag and not put them back. what is the probability that the first piece of fruit jared selects will be a banana and the second piece of fruit will be of ...

*Monday, March 27, 2017 by Bubbles*

**Math**

For the equation 3^x - 3^-x = 1 solve for x by writing your final answer in logarithmic form.

*Monday, March 27, 2017 by Happinessdelight*

**Math**

A rocket is launched vertically into the air and is observed from a tower that is 1.5 km above the ground level. Soon after the launch the rocket is at an angle of 25 degrees. Later the rocket has climbed vertically a further 4 km and its angle of elevation from the tower is ...

*Monday, March 27, 2017 by Happinessdelight*

**Math**

Manny has a piece of ribbon that one third yard long. He cuts it into two equal length to make bookmarks .how long is the piece of ribbon?

*Sunday, March 26, 2017 by Darian*

**math**

List the real zeros and multiplicity of f(x)=-5(x^2+25)(x-3)^3

*Sunday, March 26, 2017 by Alex*

**math**

the low tempuerture was 35 f. This was 13 f lowewr than the daytime high temputure.Write an equation to determin whete the high temperature was 48 f or 42 f

*Sunday, March 26, 2017 by HALEY*

**Math**

Cosmic ray bombardment of the atmosphere produces neutrons, which in turn react with nitrogen to produce radioactive carbon-14. Radioactive carbon-14 enters all living tissue through carbon dioxide (via plants). As long as a plant or animal is alive, carbon-14 is maintained in...

*Sunday, March 26, 2017 by Shelia*

**math**

the speed of a gear wheel varies inversely as the number of teeth of the gear. if a gear wheel which has 48 teeth makes 3 revolutions per minute. how many revolutions per minute will a gear wheel with 96 teeth make?

*Sunday, March 26, 2017 by edgar*

**Math**

Austin collected 30 9/10 kilograms.Exactly 2/3 of the class was blue.what is the total amount of glass was blue?

*Sunday, March 26, 2017 by Zelda*

**Bus. Math**

Misu Sheet, owner of the Bedspread Shop, knows his customers will pay no more than $140 for a comforter. Misu wants a 25% markup on cost instead of on selling price. What is Misu’s cost? (Round your answer to the nearest cent.)

*Sunday, March 26, 2017 by AMBER*

**math 1**

Example 3: The table below shows the amount a banquet hall charges to feed different sized groups of people Number Of People | COST 10 $200 14 $252 21 $441 23 $471 Using a linear model, what is the approximate residual value of the cost to feed 21 people Answer Choices: A.$8 B...

*Sunday, March 26, 2017 by Jack(BIG HELP)*

**Math**

You purchase a life insurance premium for $250 annually. The probability of a claim is 0.001 for your age bracket. The policy is worth $50,000. What is your gain/loss that year?

*Sunday, March 26, 2017 by Sue*

**MATH 2**

Elisabeti bikes from home to the grocery store and back to pick up in- gredients. On the way to the store, she averages 15 mph. Encumbered by groceries, she averages 10 mph on the way back. What is her average speed for the whole hour?

*Sunday, March 26, 2017 by Sara*

**MATH**

Morwen bikes around his neighborhood for an hour. He averages 15 mph for the first 40 minutes, but then he tires and averages 10 mph for the last 20 minutes. What is is his average speed for the whole hour?

*Sunday, March 26, 2017 by Sara*

**Math 120**

The table shows the distribution, by age, of a random sample of 3990 moviegoers ages 12-74. If one moviegoer is randomly selected from this population, find the probability, expressed as a simplified fraction, that the moviegoer is not in 65-74 age range. ...

*Sunday, March 26, 2017 by Jessica*

**math**

A company is making detergent out of soap and water. They made one batch that has 30% soap and another batch which is 60% soap. If they mix 600 liters of the first batch with 300 liters of the second batch, what percent of soap will be in the detergent?

*Sunday, March 26, 2017 by Anonymous*

**Math**

How to get 44 using the digits in 2017. You can use +,-,×,÷,√,!,!!,exponents. Double digit numbers are allowed. You can use each digit only once.

*Sunday, March 26, 2017 by Sabrina*

**Math**

Assume the carrying capacity of the earth is 9 billion. Use the 1960s peak annual growth rate of 2.1% and population of 3 billion to predict the base growth rate and current growth rate with a logistic model. Assume a current population of 6.8 billion. How does the ...

*Sunday, March 26, 2017 by Sarah*

**math**

Applewood Supplies received a payment of $864from Main Street Service on october 8 on an invoice of $1999.58 dated september 29 with terms 4/10.how much does Main Street Service still owe on the invoice?

*Sunday, March 26, 2017 by ppp*

**math**

if X:Y =A:B show that Y:B=(X+Y):(A+B)

*Sunday, March 26, 2017 by xyz*

**Math**

If two cylinders are similar, find the scale factor of the smaller figure to the larger figure. The surface area of the smaller area is 20 pi yards squared. The surface area of the larger cylinder is 125 pi yards squared. No radius or height is given, and I need to find the ...

*Sunday, March 26, 2017 by Emma*

**Math**

A small country consists of seven states; there are 189 seats in the legislature that need to be apportioned among the seven states; and the population of each state is shown, State A: 1283 State B: 2374 State C: 2725 State D: 2155 State E: 1592 State F: 2511 State G: 2017 ...

*Sunday, March 26, 2017 by Catherine*

**Grade 4 Math - fractions**

On pet day, 18 children brought a pet to school. Two-thirds of the pets were dogs. One ninth of the pets were cats. How many were dogs? How many were cats? How many animals were neither dogs nor cats?

*Sunday, March 26, 2017 by Cindy*

**math**

Is the function a polynomial function? Why or why not? If it is a polynomial function identify and label the leading term and constant term. Here are the functions f(x)=(2-x^4)/13 f(x)=x^3+9x-(1/x) it would be great if you could do everything step by step and showing your work.

*Sunday, March 26, 2017 by Alex*

**5th grade math equation**

I have tried everything to help my son and I can't figure it out. I am trying to get an end result of 38 out of the following equation. We have to add parentheses to make it equal 38 any help !!! 3+6*5+4/2-7

*Sunday, March 26, 2017 by Richard*

**Math**

Use the Hamilton method of Apportionment to make the assignment. In a recent census, Iowa's population in thousands was 4,503, Illinois' was 8,220, and Indiana's was 5,300. Allocate 31 members of the U.S. House of representatives to these three states. Possible Answers: Iowa: ...

*Sunday, March 26, 2017 by Catherine*

**Math**

Miss Lee spent $840 on a vacation. She spent two thirds of the amount on a train ticket and half of the remaining amount on food. How much did she spend on the ticket and food all together?

*Sunday, March 26, 2017 by Alexa*

**MAth**

Determine when the Hamilton method gives an Alabama paradox and who lost the representative. Increase the committee size by one seat at a time, starting from an 8-member committee. Given: City A, City B, and City C are cooperating to build a community center catering to the ...

*Sunday, March 26, 2017 by Catherine*

**math**

BC is a chord of a circle with center O and area 48pi. Point A is inside BCO such that ABC is equilateral and A is the circumcenter of BCO. What is the area of triangle ABC

*Sunday, March 26, 2017 by da*

**math**

The first time the shuttle fires is at 7:44:35:16 on Friday morning and the next time it fires them is in the wee hours at 2:26:33:07 on Saturday morning. How much time has elapsed between one firing and the next? 7:44:35:16 means hours:minutes:seconds:hundredths of seconds

*Sunday, March 26, 2017 by Sabrina*

**math**

Smokers. A life insurance company found that among its last 200 claims, there were six dozen smokers. What is the ratio of smokers to nonsmokers in this group ...

*Sunday, March 26, 2017 by xyz*

**math**

A problem whose quotient is 2/7

*Sunday, March 26, 2017 by Sage*

**math**

Sam has twice as many books as Jim. If Sam gives 12 books to Jim, they will have the same number of books. How many books to they have altogether?

*Sunday, March 26, 2017 by brian*

**Math Statistics**

They used an exponential regression model where the predictor is time in months and the response var is money measure in thousands of dollars. Alpha 4.2 and Beta is 1.03 Based on this model, how much money (in thousands) will he have after six months? I am confused by this and...

*Sunday, March 26, 2017 by claire*

**Math Statistics**

I am confused I want to find the values of the equation of Yi=a + bxi. Time spent on twitter is the predictor variable and time spent working on twitter is the response The correlation between minutes spent on twitter and minutes spent working is -0.5 The standard deviation in...

*Sunday, March 26, 2017 by claire*

**Math 120**

Heart disease was the leading cause of death for women in the United States, killing 292,188 women in 2009-that was approximately one in every four female deaths. What is the chance of two non-related women in a row both having heart disease?

*Sunday, March 26, 2017 by Jessica*

**math**

Find two binomials whose sum is 4x^2 - 4x - 15

*Sunday, March 26, 2017 by Sam*

**math**

Find two fractions in lowest terms with unequal denominators whose difference is 2/7?

*Sunday, March 26, 2017 by Sara*

**math**

The area of a spherical balloon expand at a rate of 0.4cm square/s .find the rate at which its volume expand when the radius is 12cm

*Sunday, March 26, 2017 by lyn*

**Math**

There are four different kinds of animals on the farm. There is a different number of each kind of animal. There are 19 more cows than sheep. There are 19 more ducks than hens. There are more hens than cows What is the answer

*Sunday, March 26, 2017 by Tasmeeyah*

**math**

Mrs koh is now 58 years old and corrine is 28 years old. How many years ago was mr skoh 6 times as old as corrine?

*Sunday, March 26, 2017 by jazel*

**Math**

In what proportion should you combine 2:5 soaking solution and distilled water to create 1:20 solution?

*Saturday, March 25, 2017 by Brianna*

**Math fp1**

I have a general question For example we have matrix M1 and mattix M2, 2x2 both I wanna do the product m2m1m1m2m2m1m1m2 Is there a shortcut like factorising? Can you give me some basic rules about these please? Thank you

*Saturday, March 25, 2017 by Stephan*

**Math**

How to get 44 using the digits in 2017. You can use +,-,×,÷,√,!,!!,exponents. Double digit numbers are allowed

*Saturday, March 25, 2017 by Help*

**Business Math**

split level for 200,000 put down 30% assuming rate of 11 1/2% on 30-year mortgage, determine monthly payment.

*Saturday, March 25, 2017 by Ann*

**math**

In one minute, Sasha takes 43 steps. It takes her 301 steps to travel from her house to the shops. If she leaves home at 10:24,at what time will he reach the shops if he walks steadily?

*Saturday, March 25, 2017 by sara*

**math**

the distance between two towns A and B is 150 kilometers. This distance is represented on a map by a length of 300 millimeters. If the scale of this map is in the form of 1:a, find the value of a

*Saturday, March 25, 2017 by Anonymous*

**Math**

The 6th and the 13th term of a GP are 24 and 3 by 16 respectively find the sequence

*Saturday, March 25, 2017 by Usha*

**Math**

Show that the bisector of the vertical angle of an isosceles triangle bisect the base at right angles

*Saturday, March 25, 2017 by Sudarshan*

**math**

Compound Interest formula solution P[1+r/100]t?

*Saturday, March 25, 2017 by Subham*

**math**

An element has a half-life of 30 years. If 1.0 mg of this element decays over a period of 90 years, how many mg of this element would remain? Begin amount is 1.0 elapsed time is 90y half life 30 years n=9/30 n=3 90/2^2 90/8 = 11.25mg thinking it's wrong not sure what I missed...

*Friday, March 24, 2017 by Lynette*

**math**

Double the difference of 21 and 8, and then add 6 Create the expression using number and symbol

*Friday, March 24, 2017 by richemond*

**Math**

If x > |y| > y then which of the following is equal to |x+y| - |X| + |y| answer choices a 0 b 2x + 2y c 2x d 2y

*Friday, March 24, 2017 by Galixia*

**Math**

If 4 to the x power is 6 then what is the value of 8 to the power of x answer choice a 8 b 6 time square root of 6 c 9 d 9 times square root of 6 explain pls

*Friday, March 24, 2017 by Galixia*

**Math**

Following the recent census, State A, with a population of 13.5 million, was allocated 23 representatives. State B, with a population of 12.4 million, was given 16 representatives. Assume one more representative is to be assigned to one of these states. How do I...

*Friday, March 24, 2017 by Thomas*

**Math**

A.B a decimal. IF the average of A and B is the decimal A.B, how much greater is A than B? Answer Choices a. 18 b. 20 c. 24 d. 30

*Friday, March 24, 2017 by Galixia*

**Math**

When asked a question about age 17, Galixia replied "in three years y age will equal to the sum of my birthday year" what year did it take place answer chhoices a.1970 b.2000 c.1993 d/1990 Ps. Heres the answer (D) Explain please

*Friday, March 24, 2017 by Galixia*

**Math**

The spinner is divided into equal parts 1, 3, 4, 2. IF you spin it twice, what is the probability that you get a prime number. Explain please.

*Friday, March 24, 2017 by Galixia*

**Math**

A uniform width boardwalk is built around the inside edge of a rectangular parkland that is 30 m by 5 m. If the boardwalk takes up 20% of the lot, how wide is the boardwalk to the nearest cm?

*Friday, March 24, 2017 by Taylor*

**Math 6b**

Estimate the sum of a circle with a radius of 27m. Use (22 over 7) for pie A(258 square meters B(1125 square meters C(2291 square meters D(5253 square meters I think C. Thank you

*Friday, March 24, 2017 by Jaden*

**Grade 11 Math**

A uniform-width boardwalk is built around the inside edge of a rectangular parkland that is 30 m by 5 m. If the boardwalk takes up 20% of the lot, how wide is the boardwalk to the nearest centimetre? I know that the total area= 150m^2 boardwalk area= 30m^2 and the parkway area...

*Friday, March 24, 2017 by Jamie*

**Grade 11 math**

A uniform-width boardwalk is built around the inside edge of a rectangular parkland that is 10m by 5m. If the boardwalk takes up 20% of the lot, how wide is the boardwalk to the nearest centimetre? I have no idea what to do after figuring out that: Total area= 150m^2 Boardwalk...

*Friday, March 24, 2017 by Taylor*

**math**

4/5+3/5

*Friday, March 24, 2017 by jj*

**Math**

A book is in the shape of a right rectangular prism. It measures 812 in. tall, 7 in. wide, and 212 in. thick. What is the volume of the book? 4712 in³ 8012 in³ 14834 in³ 17912 in³

*Friday, March 24, 2017 by Anonymous*

**math**

if logb C= A, explain why logb 1/c = -a

*Friday, March 24, 2017 by tom*

**math**

Simplify 0.4(−4.5

*Friday, March 24, 2017 by Delisha*

**math**

suppose the tiger cup soccer tournament, 8 teams qualify for the final around. if the organizers adopt a single-elimination method for the final round, i.e, winners play against winners until only team is left. what is the total number of games played and how many games ...

*Friday, March 24, 2017 by Anonymous*

**Math**

. Given that x²cos y_sin y=0,(0,π). A. Verify that the given points on the curve. B.use implicit differention to find the slope of the above curve at the given point. C.find the equation of tangent and normal to the curve at that.

*Friday, March 24, 2017 by Abdullah11*

**math**

which equation has (2 -1) as a solution a y=2x-1 b y=x+3 c y=x-3***** d y=-2x+1

*Friday, March 24, 2017 by Natasha*

**Math(PLEASE HELP ME ASAP)**

If the original bill is 22.50 what will be the final bill after a 15% tip is paid Round to the nearest cent 25.88*** 18.72 3.38 24.75 I already figured out the answer but how would i explain it?

*Friday, March 24, 2017 by Young Trippy Lil G*

**Math**

The volume of a triangular prism is 132 cubic inches . The height of the prism is 11 inches. What are the dimensions and base length of the triangular surface

*Friday, March 24, 2017 by Pam*

**consumer math**

Adam has created a register for the bank account he opened on April 16th. Unfortunately, Adam has made a mistake and cannot figure out where he went wrong. Use the transaction descriptions below to determine where his error is. The account was opened on April 16 with a tax ...

*Friday, March 24, 2017 by Anonymous*

**Math**

A local club is arranging a charter flight to Miami. The cost of the trip is $225.00 each for 75 passengers, with a refund of $5.00 per passenger for each passenger in excess of 75. How many passengers must take the flight to produce revenue of $16,000.00? No. of passengers = ...

*Friday, March 24, 2017 by NR*

**Math**

IDK HELP PLEASE Write a rule for the sequence. 5,-4,-13,-22 pls halp meh

*Friday, March 24, 2017 by pouseylova*

**math**

Asha wants to buy a smart phone. Three stores have the model she wants advertised as follows: I shack regular price $5,800. Discount 20% off Mobile-T - Regular price 5610. Discount 1/3 off Cell G - Sale price 3,860 a) What is the cost of the smart phone at I Shack b) Mobile-T

*Friday, March 24, 2017 by indira*

**math**

In one day, Factory A produces 1650 video games, while Factory b produces 123 Fewer video games than Factory a a) How amny video games does Factory B produce in one day? b) How many more video games are produced by Factory A than by Factory B in Five days? c) Factory A wants ...

*Friday, March 24, 2017 by indira*

**math**

choose the appropriate metric unit for the mass of concrete in a section of sidewalk? a:kilogram b:milligram c:gram d:meter

*Friday, March 24, 2017 by ...*

**math-consumer arithmentic**

(second question of 2 that i need help with) A $25000 loan is repaid over 8 years with monthly instalments of $391. What was the interest rage (p.a.) changed on the loan?

*Friday, March 24, 2017 by Anonymous*

**math**

Students of a standard 4 class planted ochro plants for their CAC project. If the plants increased every week in height by .25 metres every week. How many weeks would it take for the plants to grow to a height of 1 metre?

*Friday, March 24, 2017 by indira*