Sunday
December 4, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
Derrick built a pen for his dog using one side of his house. He has 28 feet of fencing to use for the three sides of his fence. Make a table that uses the distances d away from the house as input and the length of the side opposite the house and the area as outputs. Have at ...
Wednesday, November 16, 2016 by Caurraine Titus

Math
David starts off at a salary of $10,000 per yer. At the end of each year, he will earn a 4% raise on his previous salary. What will be the first year that he makes $15,000? If Valerie starts off at a salary of $10,000 per year and receives an option of a constant raise of $...
Wednesday, November 16, 2016 by Caitlyn

6 grade math
Please I just need help on the set up teacher wants a guess and check table. Thomas is thinking of a number. If he doubles his number and subtraction 27, the results is 407. Of what number is Thomas thinking?
Wednesday, November 16, 2016 by Jessica

6 grade math
Please I need help on just the set up using a guess and check table. Karina has some dimes and quarters she has 8 more dimes and quarters and the collection of coins is worth $7.45. How many dimes and quarters does Corona have?
Wednesday, November 16, 2016 by Jessica

6 grade math
I need help in the setup teacher wants a guess and check table for the word problem. Just the set up I need help on . Please a wood board 156 cm long is cut into three pieces.the two longer pieces are the same length and are 15 cm longer than the shortest piece. How long are ...
Wednesday, November 16, 2016 by Jessica

math
The credit remaining on a phone card (in dollars) is a linear function of the total calling time made with the card (in minutes). The remaining credit after 26 minutes of calls is $16.36 , and the remaining credit after 45 minutes of calls is $13.70 . What is the remaining ...
Wednesday, November 16, 2016 by .

Math
877.498+374.202 what the answer be 1251.700
Wednesday, November 16, 2016 by Jenny

Math
Mrs. Jones and Mr. Graham had the same amount of money at first. After Mrs. Jones bought a computer that cost $2,055, she had 1/4 as much money as Mr. Graham. How much money did Mr. Graham have? I know that x = y in equation 1. I know that x-2055 = .25G for another. I'm ...
Wednesday, November 16, 2016 by Suh

Math
The point (5,-2) in on the terminal side of an angle t. Find cos
Wednesday, November 16, 2016 by Brandon

Math
A passenger ferry travels between two cities the ferry travels an average speed of 35 mph and the journey one way takes 30 minutes what distance does the ferry cover
Wednesday, November 16, 2016 by Brooke evens

Math.
Each boksheld in the library holds 82. There are 24 full bookshelves in the library. How many books are in library.
Wednesday, November 16, 2016 by Daniel

Math
Which of the following equations could represent the relationship between x and y in the table below? x|1|2|3|4 y|3|9|19|33
Wednesday, November 16, 2016 by Laney

math
a teacher bought five flags of different countries to use in a class activity she added them to the flags she already had in the classroom she borrowed four more flags but two of these weren't used in the end ten flags were used in the activity how many flags were there in...
Wednesday, November 16, 2016 by shea

Math
877.498+374.202 what the answer be 1251.700
Wednesday, November 16, 2016 by Jenny

Math
The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. Since no one looked at my previous work.................
Wednesday, November 16, 2016 by Angel

Math
The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. My Work: Step 1: a^2 + b^2 = c^2 =(x-1)(x-1) x-1 equals to all the sides of the cube Step 2: a^2 + b^2 = c^2 (x-1)^2 + (x-1)^2 = c^2...
Wednesday, November 16, 2016 by Angel

math
Is your refrigerator running then you better go catch it
Wednesday, November 16, 2016 by me

Math
6 is 20% of what number?
Wednesday, November 16, 2016 by Jenny

Math
Given that ?f(x)=x^2-15 and ?g(x)=10??x, find ?(f??g)(3?), if it exists.
Wednesday, November 16, 2016 by Robby

Math
What percent of 16 is 8
Wednesday, November 16, 2016 by Jenny

math
the teacher has 15 gold ribbons , 22blue ribbons and 53 red ribbons. there are 12 boys and 18 girls in the class if the teacher divides the ribbon evenly among the students. how many ribbons will each student have write a expression using brackets then solve your expression to...
Wednesday, November 16, 2016 by pop

math, science
what are the difference and similarities between math and science
Wednesday, November 16, 2016 by help

Math
A baker made 434 dinner rolls for a banquet the rolls are served in baskets that can hold 16 rolls each what is the fewest number of baskets needed to hold all the rolls?
Wednesday, November 16, 2016 by Jenny

math
Show me a fraction for. 12 markers 7 are blue the rest are red what is the fraction
Wednesday, November 16, 2016 by Anonymous

Math
The American flag is customarily made in the ratio of 10 to 19 which of the following dimensions are not in the correct ratio for the flag ?
Wednesday, November 16, 2016 by Jenny

Math
Nisha wants to study 5 hours at 1/3 hours per night. How many nights will she have to study?
Wednesday, November 16, 2016 by Anonymous

Math
Laura bought a pair of shoes priced at $20.00 if the sales tax rate in Laura's state is 6% what is the total price of the shoes ?
Wednesday, November 16, 2016 by Jenny

Math/algebra
Sandy drives the first 3 hours of her trip at 65 miles per hour. The last hour of the trip she drives 62 miles per hour. How far did Sandy drive on her trip?
Wednesday, November 16, 2016 by Lauren

Math
Mrs.Lam has made 300 ounces of jam. She has jars that each hold 16 ounces. What is the fewest number of jars needed to hold all the jam made?
Wednesday, November 16, 2016 by Jenny

math
if the temperature is -3f at 10:00 pm and the temperature falls four degrees overnight what is the resulting temperature
Wednesday, November 16, 2016 by steph

Math
What is the least common multiple of 9,5 and 51
Wednesday, November 16, 2016 by Jenny

Math
Morgan rolls a number cube, twice. If the number 1 shows up at least once, Morgan wins. Otherwise, Jaclyn wins. How much greater is the probability that Morgan will win compared to Jaclyn winning? A)1/3 B)7/18 C)4/9 D)2/3
Wednesday, November 16, 2016 by Fabi

Math
What is the least common multiple of 7 77 and 8
Wednesday, November 16, 2016 by Jenny

math algebra
A car was purchased for $3,495 and will depreciate 20% each year. Find a linear function for the value of the car at time t in years. Define variables clearly. Graph the function you found in part A. A claim is made that the car will not be worth anything in five years. Do you...
Wednesday, November 16, 2016 by mia

Math
1. Graph the solution of the inequality. x ? 3 2. The number of words x Tina can type per minute is at least 50. Write and graph an inequality to describe this situation. (1 point) x ? 50; x ? 50; x ? 50; x > 50; 3. Gavin needs to read at least 150 pages of his book this ...
Wednesday, November 16, 2016 by Anonymous

Math
600,000. = _ ten thousands
Wednesday, November 16, 2016 by B

Math
Luna mix 3/4 cup of orange juice with 1/2 cup of cranberry juice she gives 5/8 cup of the juice to mags. How much is left in Luna glass
Wednesday, November 16, 2016 by Cue

Math
solve the inequality. Expiation each step and identify the property used. 3a-4<=5
Wednesday, November 16, 2016 by nana

Math
solve the inequality. Expiation each step and identify the property used. (n)/(-3)+5>4
Wednesday, November 16, 2016 by nana

Math
I am doing a worksheet that says to solve all problems to get the answer to "which Arctic animals love math?" I did not get the riddle. Does anyone know the answer? I would love if someone got back to me on this one. Thanks, Ishaan.
Wednesday, November 16, 2016 by IshaaN

math
ben has 2/3 of a large candy bar. he is going to split it into 4 parts for his friends. How much of the candy does each friend get?
Wednesday, November 16, 2016 by Jada

math
A circle is circumscribed about an equilateral triangle with side lengths of 9 units each. What is the area of the circle, in square units? Express your answer in terms of pi.
Wednesday, November 16, 2016 by InfaRed

math
In triangle ABC, AB = 3, AC = 5, and BC = 4. The medians AD, BE, and CF of triangle ABC intersect at the centroid G. Let the projections of G onto BC, AC, and AB be P, Q, and R, respectively. Find GP + GQ + GR.
Wednesday, November 16, 2016 by Anonymous

math
In triangle ABC, AB = 3, AC = 5, and BC = 4. The medians AD, BE, and CF of triangle ABC intersect at the centroid G. Let the projections of G onto BC, AC, and AB be P, Q, and R, respectively. Find GP + GQ + GR.
Wednesday, November 16, 2016 by InfaRed

math
In triangle ABC, BC = 20 * sqrt(3) and angle C = 30 degrees. Let the perpendicular bisector of BC intersect BC and AC at D and E, respectively. Find the length of DE.
Wednesday, November 16, 2016 by InfaRed

math
Write the ratio of the number of squares to the number of circles as shown below. (Pretend I have four circles and five squares. The # will represent circles and the @ sign will represent squares.) #### @@@@@ (A)4 to 9 (B)5:4 (C)4 to 5 (D)5:9 I think the answer is D or B.
Wednesday, November 16, 2016 by please help me

Math
Write the ratio of the number of squares to the number of circles as shown below. (Pretend I have four circles and five squares. The # will represent circles and the @ sign will represent squares.) #### @@@@@ (A)4 to 9 (B)5:4 (C)4 to 5 (D)5:9 I think the answer is D. Am i right?
Wednesday, November 16, 2016 by CICI

Math
Plz help me with these question. 1. The census Bureau estimates That in 2020, 15 of the 50 states will have a Spanish speaking majority. What percent of the states will have a Spanish speaking majority? A.10% B.15% C.30% D.50% 2. Last year, A poll of 1,000 voters conducted by ...
Wednesday, November 16, 2016 by MATH help

Math
I add 12 to a number and then double their sum, the result is 1½ of what I get when I double the original number and add 12. Find the number.
Wednesday, November 16, 2016 by Emmanuel Attai

math asap
Solve the proportion using cross products. 8/20 = k/110 (A)99*^* (B)122 (C)3.3 (D)2.9 Am I correct? please asap
Wednesday, November 16, 2016 by katy

math
Solve the proportion using cross products. 8/20 = k/110 (A)99*^* (B)122 (C)3.3 (D)2.9 Am I correct? please asap
Wednesday, November 16, 2016 by h

Math
The Rosana family decided to put in a patio and a garden in their backyard. The next part shows a rectangle with a base of 8 and height of 4. It also has about 1/3 of the rectangle shaded and is labeled "Garden" I tried multiplying 4 x 8, then dividing by 3, because ...
Wednesday, November 16, 2016 by May

MATH
Find the area of the part of the plane with vector equation r(u, v) = <2 + v, u ? 7v, 5 ? 4u + v> that is given by 0 ? u ? 1, 0 ? v ? 1.
Wednesday, November 16, 2016 by Taylor

MATH
Find a parametric representation for the part of the cylinder y2 + z2 = 4 that lies between the planes x = 0 and x = 5. x = u y = 2cos(v) z = 0 ? v ? 2?
Wednesday, November 16, 2016 by Taylor

MATH
Find an equation of the tangent plane to the given parametric surface at the specified point. r(u, v) = u cos vi + u sin vj + vk; u = 7, v = ?/3
Wednesday, November 16, 2016 by Taylor

math
Vanessa deposited money into a bank account that earned 1.25% simple interest each year. After 1/2 year, she had earned $5.00 in interest on the account. If no other money was deposited into or withdrawn from the account, how much was her initial deposit?
Wednesday, November 16, 2016 by Zoe

math
If 25x²+k+9 is a perfect square find k
Wednesday, November 16, 2016 by Wayne deno

MATH
Find the area of the surface. The part of the paraboloid z = x2 + y2 that lies inside the cylinder x2 + y2 = 4.
Wednesday, November 16, 2016 by Taylor

Math (please check my answer!!)
openstudy(.)com/updates/attachments/514a​5d2ae4b05e69bfac38d2-mimisilly-136382809​9165-ikk.png The dashed triangle is a dilation image of the solid triangle with the center at the origin. Is the dilation a enlargement or reduction? Find the scale factor. I know ...
Wednesday, November 16, 2016 by Rena

math
Solve the proportion using cross products. 8/20 = k/110 (A)99*^* (B)122 (C)3.3 (D)2.9 Am I correct?
Wednesday, November 16, 2016 by haylee

math
Solve the proportion using number sense. 2/8= x/48 (A)6 (B)12 (C)16*^* (D)8\ Am I correct? I'm not very good at fractions so please be nice.
Wednesday, November 16, 2016 by Haylee

math
A text book weighs 2.5 pounds. How many kilograms does the textbook weigh? Round your answer to the nearest tenth of the pound. 1 kg = 2.2 lb. My answer is 5.5 kg, am I correct?
Wednesday, November 16, 2016 by Haylee

math
Which ratio forms a proportion with 9/15? (A)6/10 (B)16/21*^* (C)36/50 (D)45/70 If my answer was incorrect don't yell at me, just correct me please.
Wednesday, November 16, 2016 by haylee

math
Which ratios form a proportion? (A)3/15,12/55 (B)8/24,12/35 (C)5/18,25/90*^* (D)4/11,16/25 If I'm wrong please help me and correct me, don't yell at me for not knowing the right answer. please help asap
Wednesday, November 16, 2016 by haylee

Math
The sum of 2 numbers is 31.? of one of the numbers is equal to ? of the other. Find the number
Wednesday, November 16, 2016 by Emmanuel Attai

math
Which ratio forms a proportion with 9/15? (A)6/10 (B)16/21*^* (C)36/50 (D)45/70 If my answer was incorrect don't yell at me, just correct me please.
Wednesday, November 16, 2016 by needhelp

math
Which ratios form a proportion? (A)3/15,12/55 (B)8/24,12/35 (C)5/18,25/90*^* (D)4/11,16/25 If I'm wrong please help me and correct me, don't yell at me for not knowing the right answer.
Wednesday, November 16, 2016 by needhelp

math
If 25x²+k+9 is a perfect square find k
Wednesday, November 16, 2016 by Wayne deno

Math
How do I solve 28x22/7 (I'm not allowed to use the decimal version of 22/7)
Wednesday, November 16, 2016 by Aralyn

math
In covering a distance of 30km.'A' takes 2 hours more than 'B'. If 'A' doubles his speed,he would take 1 hour less than 'B' . find their rates of walking.
Wednesday, November 16, 2016 by help

Math
Let a particle move along the curve y(x)=1+x^2 subject to an attractive force of magnitude F=kR direct toward the origin. Determine the work W in moving the particle along the curve from P0(0,1) to P1(1,2).
Wednesday, November 16, 2016 by Tobias

Math
Write a translation rule that maps point D(7,-3) onto point D(2,5) Please help I don't understand how to do translation I graph the number down but didn't know the next step.
Wednesday, November 16, 2016 by Lexa Reed

math
The difference between two numbers is 15 . Three times the larger number is eight times the smaller. Find the two numbers.
Wednesday, November 16, 2016 by Anonymous

Math
If 50 feet of electrical wire cost $4.80, then $1o.80 will buy how many feet of the wire
Wednesday, November 16, 2016 by Destiny

math
How long will it take for prices to double if the rate of inflation is 25% per annum
Wednesday, November 16, 2016 by adedeji

Math
A pancake takes just 1/5 of a minute to cook. How many pancakes can be cooked in the space of 3/2 hou
Wednesday, November 16, 2016 by Shayan

math
A passenger train takes 3 hours less for a journey of 360km . if its speed increased by 10km/hr from its usual speed . what is its usual speed?
Wednesday, November 16, 2016 by dy

math please explain!
Suppose this firework is set to explode 3 seconds after it is launched. At what height will this firework be when it explodes? My equation is h(t)=-16t^2+120t+20 How do I do this?
Wednesday, November 16, 2016 by Olivia N J

math
In covering a distance of 30km.'A' takes 2 hours more than 'B'. If 'A' doubles his speed,he would take 1 hour less than 'B' . find their rates of walking.
Wednesday, November 16, 2016 by dy

Math 062
In 1996,funding for a program increased by 0.21 billion dollars from the funding in 1995.In 1997,the increase was 1.05 billion dollars over the funding in 1996.For these years the funding was 10.23 billion dollars.How much was funded in each of these three years?
Wednesday, November 16, 2016 by Anonymous

FLAGPOLE MATH!
It's Me Again, Karen is standing near a flagpole that is 12 feet tall. Karen is 5 feet tall, and the length of her shadow is 4 feet, as shown. What is the length in feet of the flagpole's shadow? PLZ HELP!
Wednesday, November 16, 2016 by Agal

Math
A triangle have two sides are known 20m & 30m respectively.find third side where area is 430 square meter.there have different angle .
Wednesday, November 16, 2016 by Aarif raza

math
Nine more than the product of 15 and Vidya's height
Wednesday, November 16, 2016 by idk

math
A man travels 600km partly by train and partly by car.If he covers 120km by train and rest by car ; it takes him 8 hours.But if he travels 200km by train and and by car ; he takes 20 minutes longer.Find the speed of the train and that of the car.
Wednesday, November 16, 2016 by ana

math
2 men and 5 boys can do a piece of work in 4 days, while 4 men and 4 boys can do it in 3 days.How long it would take one man alone to do it and how many days ity would take one boy to do it alone?
Wednesday, November 16, 2016 by ana

TRIANGLE MATH HELP!!!
Are the figures below similar? Why or why not? Determine whether the triangles below are similar. (Triangle M S I is shown on the left. Side M S is labeled 4. Side S I is labeled 6. Side M I is labeled 8. Angle M is 47 degrees. Angle S is 104 degrees. Angle I is 29 degrees. ...
Wednesday, November 16, 2016 by Agal

Math
Can someone please explain to me how to solve this? Find the missing length for a circle. r = 19 cm, d =
Wednesday, November 16, 2016 by Aralyn

Math
25% of 5th graders would choose to have music instead of art. If there are 60 5th graders, how many of them choose?
Wednesday, November 16, 2016 by Wangshin

Math
The sequence < un > is defined by the recurrence Un+1 = 3Un+1\5Un+3 initial condition of u1 = 1: Need to show un in terms of Fibonacci / Lucas numbers
Wednesday, November 16, 2016 by Kate

Math Help!!!
Drinking 6 fluid ounces of milk provides 202.5 milligrams of calcium. How many fluid ounces of milk are required to provide 52.5 milligrams of calcium? Round to the nearest tenth. 2.1 fluid ounces 2.3 fluid ounces 1.8 fluid ounces 1.6 fluid ounces PLZ HELP!
Wednesday, November 16, 2016 by Agal

math
i have a big math quiz today on these terms plz help me meaning of a ratio that compares two quantities measured in different units meaning of the rate for one unit of a given quantity meaning of found by multiplying the denominator of one ratio by the numerator of the other ...
Wednesday, November 16, 2016 by Gaganjyot Bhatti

math
one number is 5 more than half a second number, and the difference between the squares is 17. find the numbers
Wednesday, November 16, 2016 by khyla

math
one number is 5 more than half a second number, and the difference between the squares is 17. find the numbers
Wednesday, November 16, 2016 by khyla

Math
6 notebooks cost the same amount as 8 pens. each notebook costs 3.50 mote than each pen. How much does each pen cost?
Wednesday, November 16, 2016 by Lion

math
the second term of AP is 15 and the fifth term is 21.find (1) the common difference and the first term (2) The eight term (3) The sum of the first 16 term
Wednesday, November 16, 2016 by hussein jongo

Math
14 is added to ? of a number. The result is 1¼ times the original number. Find the number.
Wednesday, November 16, 2016 by Emmanuel Attai

Math work
One quarter of Steve's baseball cards are from his dad's collection. Another 0.2 are from his uncle , and 0.5 are from his brother. The rest are from Steve's cousin. Thirty of the cards from his cousin are National League players; the other half are American League...
Wednesday, November 16, 2016 by Xxd

math
laura works at a local supermarket. she can stack 7 shelves in 1\3 of an hour. At this rate, how many shelves can she stack in 2 hours
Wednesday, November 16, 2016 by hannah

Math work
Anne has 24 more cards than Devi. Anne finds that 3/5 of Devi's cards are equal to 1/2 of her cards. How many cards does Anne have?
Wednesday, November 16, 2016 by Xxd

Math work
Sam makes some read rolls. He gives 2/5 of the bread rolls to his neighbor and 4/9 of the remainder to his cousin. He has 15 bread rolls left. How many bread rolls does Sam make?
Wednesday, November 16, 2016 by Xxd

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