Monday
December 5, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
45 miles per hour_______= feet per second
Sunday, November 27, 2016 by tnzil

math
a car travels 480 miles in 8 hours. what is the unit rate
Sunday, November 27, 2016 by tnzil

math
Solve the quadratic equation, 2x^2-5x+3
Sunday, November 27, 2016 by shima

Math
-5+?-50/10 Solve
Sunday, November 27, 2016 by Aria

math
If 3 people worked and earned $5554.52 in one day. How much does each person earn if one worked for 5 hours, the other worked 7 and the other worked 8 hours?
Sunday, November 27, 2016 by Anonymous

Math algebra
Assume that the stopping distance of a van varies directly with the sqaure of the speed . A van traveling 40 miles per hour can stop in 60 feet. If the van is traveling 56 miles per hour, what is its stopping distance?
Sunday, November 27, 2016 by Kyla

Math algebra
A varies jointly as R1 and R2 and inversely as the sqaure of L. Find A when R1=180, R2=8,L=5, and k=3/2 P.S the 1 and 2 next to the R are exponents at the bottom of R and not at the top.
Sunday, November 27, 2016 by Dila

math
Solve the quadratic equation, 2 x2 - 5 x+3
Sunday, November 27, 2016 by sara

Math
Two sI'm of money in the ratio 5:1 .if the smaller amount is 15 kobo.what is the largest?
Sunday, November 27, 2016 by Demmy

Math
Sarah wants to install new carpet in her living room. The small square is titles 2yd by 2yd and will not be carpeted. How many square yards of carpet will she need if its 6yd by 4yd? ---------------6yd---------------| |. | |. I ______ I 4yd I I 2yd I I_2yd_I_______________|
Sunday, November 27, 2016 by Norman

Math
find the velocity and direction of flight of a plane that is headed at 126 degrees with a ground speed of 215 mph in a 34 mi wind from south 36 degrees west
Sunday, November 27, 2016 by Anonymous

Math
I'm confused between using the terms "less than" in translating statements and phrases to expressions. What's the answer when the statement says:thrice a number less than fifty? I'm asking because sometimes expressions could be easily get just by putting...
Sunday, November 27, 2016 by Mars

MATH
5kg of flour and 4kg of sugar cost $14.80. If 3/4kg of flour cost as much as 3/5kg of sugar, what is the cost of 1kg of sugar?
Sunday, November 27, 2016 by YEOW

math
In a rhombus ABCD,diagonals AC and BD are respectively 8cm and 6cm , the length of each side of rhombus is
Sunday, November 27, 2016 by almoiz

Math (calculus) (mean values)
A company introduces a new product for which the number of units sold S is given by the equation below, where t is the time in months. s(t)=155(7-9/(2+t)) a) Find the average rate of change of s(t) during the first year. Which my answer was 1395/28 b) During what month of the ...
Sunday, November 27, 2016 by Ray

math
plss help equation for this statement the distance D travelled by a car varies directly as its speed s
Sunday, November 27, 2016 by Miranda

math
Find the surface area of one of small cubes to that of the larger cube if a cube of edge 5cm is cut into cubes, each of edge 1cm.
Sunday, November 27, 2016 by ggg

math
Find the total surface area of one of small cubes to that of the larger cube if a cube of edge 5cm is cut into cubes, each of edge 1cm.
Sunday, November 27, 2016 by ggg

Math
As a tornado moves, its speed increases. The functions S(d) = 93logd+65 relates the speed of the wind, S, in miles per hour, near the center of a tornado to the distance that the tornado has traveled,d, in miles. a) Graph this function. b) Calculate the average rate of change ...
Saturday, November 26, 2016 by NeedHelp

Math
The doubling function (y = y base0 2^(1/D)) can be used to model exponential growth when the doubling time is D. The bacterium Escherichia coli has a doubling period of 0.32 h. A culture of E. coli starts with 100 bacteria. a) Determine the equation for the number of bacteria...
Saturday, November 26, 2016 by NeedHelp

Math
There was 2/3 of 12 slice pizza on the table.Joe are 6 slices from that. what fraction of the whole pizza was left?
Saturday, November 26, 2016 by Selvi

Math
A cooperation must appoint a president, CEO, COO,and a CFO. It must also appoint a planning committee with 3 different members. There are 15 candidates and officers can also serve on the planning committee. How many different ways can the officers be appointed? How many ways ...
Saturday, November 26, 2016 by Anonymous

Math grade7
Macy's is having a special on Tuesday .you can buy each tshirt at its regular price or you can buy tshirt for $ $ 25 Julie bought one of each tshirt at sale price of $ 25.00 what percentage of the original total rice did Julie save. Harry Julie's best friend also paid...
Saturday, November 26, 2016 by Inna

Math
Suppose that Hortense and Mort can clean their entire house in 7 ?hours, while their? toddler, Mimi, just by being? around, can completely mess it up in only 5 hours. If Hortense and Mort clean house while Mimi is at her? grandmother's, and then start cleaning up after ...
Saturday, November 26, 2016 by Itati

Math
Biologists tagged 180 fish in a lake on January 1. On February? 1, they returned and collected a random sample of 4545 ?fish, 1515 of which had been previously tagged. On the basis of this? experiment, approximately how many fish does the lake? have?
Saturday, November 26, 2016 by Itati

Math
Using the letters A and B, the following two-letter code words can be formed: AA, AB, BB,Ba. Using the letters A, B, and C, how many different three-letter code words can be formed? I know that the answer is 27 from the answer sheet, but how? Can you please list the ...
Saturday, November 26, 2016 by Stephanie

Math
I am a two digit odd number between 80 and 90 my digits have the sum of 15 what i'm I.
Saturday, November 26, 2016 by Maurice

math
Tanisha's mother buys 38 lemons. They know it takes 8 lemons to make 80 ounces of lemonade. Does Tanisha need more lemons ?If not ,how many extra lemons does she have? If so, how many more lemons does she need ? Explain how you found your answer.
Saturday, November 26, 2016 by angle2016

Discrete Math
I need help for this question. I need to find the number of integer solutions for x1 + x2 + x3 + 2x4 + x5 = 68 I'm not sure what to do for 2x4
Saturday, November 26, 2016 by Ryback

Math
1. What type of graph does not show the number of times a response was given? (1 point) box-and-whisker plot line plot stem-and-leaf plot bar graph 2. Which of the following types of information is suited for display on a scatter plot? (1 point) relationship between favorite ...
Saturday, November 26, 2016 by Embershy

Math
Sean walk 3/4 of a mile in 15 minutes. At that same pace, how far, in miles, can Sean walk in 1 hour and 20 minutes?
Saturday, November 26, 2016 by Darryl

Math
How many 1/3 are there in 25/5
Saturday, November 26, 2016 by Kayla

Math
The Kelvin scale is an absolute temperature scale threat can be used to calculate percent change in temperatures.The formula to convert Celsius to Kelvin is K=C+ 273.15.What is the percent change if the temperature rises from 21*C to 29*C?Round to the nearest tenth.
Saturday, November 26, 2016 by lilbrandon1007

Math
If the internal diamter of a steel tube is 3cm and thickness 4mm,what is the external diamter?
Saturday, November 26, 2016 by Farhana

math
your school is putting on a prom fashion show, and you are in charge of building a platform to serve as a stage. Main stage is a rectangle and the runways is a square. the length of the main stage is three times the length of the runway and the width of the main stage is two ...
Saturday, November 26, 2016 by Laura

math
you want to buy three books that are on sale at 20% off. the original prices of the books are $2.50, $4.95, and $6.00. How much will you save?
Saturday, November 26, 2016 by Anonymous

MATH HELP NEEDED prt 2
–2v – 7 = –23 (1 point) 15******** 8 –8 –15 2. start fraction x over 3 end fraction – 10 = –12 (1 point) –6 –66 6****** 66 3. start fraction x over 5 end fraction + 6 = 10 (1 point) 44 30 20******** –20 4. 3(4 – 2x) = &#...
Saturday, November 26, 2016 by Bill Cipher

MATH HELP NEEDED
. –2v – 7 = –23 (1 point) 15******** 8 –8 –15 2. start fraction x over 3 end fraction – 10 = –12 (1 point) –6 –66 6****** 66 3. start fraction x over 5 end fraction + 6 = 10 (1 point) 44 30 20******** –20 4. 3(4 – 2x) = &#...
Saturday, November 26, 2016 by Bill Cipher

math
If f is a function such that the limit as x approaches a of the quotient of the quantity f of x minus f of a and the quantity x minus a equals 7, then which of the following statements must be true?
Saturday, November 26, 2016 by Anonymous

math
If f(?1) = ?3 and f prime of x equals the quotient of 4 times x squared and the quantity x cubed plus 3 , which of the following is the best approximation for f(–1.1) using local linearization
Saturday, November 26, 2016 by Anonymous

math
Which of the following is the best linear approximation for f(x) = sin(x) near x = ? seconds?
Saturday, November 26, 2016 by Anonymous

Math
-3<x+2<3 , solve x.
Saturday, November 26, 2016 by pompo

math
Use a table to llustratethe permutation of the following set of object A. A strawberry a chocolate and a sugar glazed donut arranged in a row B.A cup a glass and a might arranged in a row C. The five vowels of the alphabet arranged in a row D.Ways by which you can dress up if ...
Saturday, November 26, 2016 by goddess

Math
Find the resultant in magnitude and direction of forces 10N, 20N, 30N, 40N, acting respectively in the direction 60,120,180 and 270. I tried drawing out the forces with the respective angles but the angles are more than 360.#confused
Saturday, November 26, 2016 by Shade

math
Ways by which you can dress up if you have 3 skirts 4 shirts and 3 pairs of sandals?
Saturday, November 26, 2016 by goddess

math
Thr sum of three numbers is 33.The first no.is twice the third no.The second no.is one more than the first.Determine the nos.
Saturday, November 26, 2016 by Anonymous

Math
The sum of two nos is 40, the smaller no is 6 less than the larger no, Find the nos
Saturday, November 26, 2016 by Anonymous

Math
marvin wrote the following clues to describe a multiplication sentence. the product is close in value to 10. both factors are decimal number.the product has 3 decimal places.one factor is greater than one . The other factor is less than 1. Explain how you created your answer.
Saturday, November 26, 2016 by Carmen

Math
Place in order from least to greatest -8.2,0.4,2.4?
Friday, November 25, 2016 by Miy

Math
Evaluate the following expression: (2 x 3)>2 - 5>2 The answer I got was 11...How I got this answer was 6 x 6 = 36 and 5 x 5 = 25 then I subtracted 36-25=11`
Friday, November 25, 2016 by Donald

math
Mrs, jones is having a pizza party for 19 students. each pizza will be cut in 6 slices. how many pizzas will Mrs jones need to order?
Friday, November 25, 2016 by barbara

math
Use the distributive property to write an expression that is equivalent to the example below: 5(2x + 7) I think my answer is... 45.....How I got this answer was 5 x 2 + 5 x 7=45 10 + 35 = 45 Can you please double check my work?
Friday, November 25, 2016 by Donald

Math
Which of the following is equivalent to the expression 6m + 3? A)2(3m + 3) B)3(2m + 1) C)3(2m + 3) D)6(m + 3) The answer I got was B) 3(2m + 1). How I got this answer was 3 x 2 + 3 x 1 = 6m + 3.
Friday, November 25, 2016 by Donald

Math
At franklin middle school there are 360 students graduating this year after graduation 198 of the students will go to Wilson high school what percent of the graduating students will go to Wilson high school
Friday, November 25, 2016 by Jenny

Math
Science is the favorite subject of 73% of student at a school. There are 700 students at the school. How many of them like science best?
Friday, November 25, 2016 by Jenny

Math
80% of what number is 40 ?
Friday, November 25, 2016 by Jenny

Math
Ron wants to buy a used car and needs to have a down payment of 10% if the car Ron wants to buy costs $5,300 how much down payment will he need
Friday, November 25, 2016 by Jenny

Math
What percent of 7,450 is 1,192
Friday, November 25, 2016 by Jenny

math
please check my answers below and correct me if i am wrong please 1. At Lexi Corp., sales revenue is $20 million, the cost of goods sold is $14 million, operating expenses are $3 million, and income taxes are $1 million. What is the company's operating income? Select one...
Friday, November 25, 2016 by polly

Math
How do you write at least 6 fractions from the below ingredients list that serves 4 people. 1 cup all-purpose flour 2 eggs 1/2 cup milk 1/2 cup water 1/4 teaspoon salt 2 tablespoons butter , melted How do I make these fractions? PLEASE PLEASE PLEASE PLEASE PLEASE! HELP ME!
Friday, November 25, 2016 by Donald

Math
The number of ways in which 63 can be expressed as a sum of two or more consecutive positive integers.
Friday, November 25, 2016 by Tita

math
How far from the wall must you place a ladder of length 12m. if the ladder is to touch a point 10m above the ground?
Friday, November 25, 2016 by Dani

Math
M/S. ABC limited is expected to pay RS. 18 every year on a share of its stock what is present value of a share if money worth is 9% compounded annually
Friday, November 25, 2016 by Shahzaib

Math
The sums of n terms of two arithmetic series are in ratio of 2n+1:2n-1. Find the ratio of their 10th terms.
Friday, November 25, 2016 by Prince

Math
Volume of cube 512 find the surface area?
Friday, November 25, 2016 by volume of cub 512 find the surface aera

math
Graph the quadratic equation f(x)=x^2-8x+16
Friday, November 25, 2016 by shima

math
Factorize:4x^2+20x+25
Friday, November 25, 2016 by shima

Math
Shalya is baking muffins that require 1/2 cup vegetable oil she only has 1/3 cup of vegetable oil left. How much more does she need?
Friday, November 25, 2016 by Alex Rorberts

math
A piece of paper in the shape of a sector of a circle of radius 10 cm and of angle 216 degree just covers the lateral surface of a right circular cone of vertical angle 2? .Then sin? is
Friday, November 25, 2016 by kritarth

Math
5x+2=10
Friday, November 25, 2016 by Dal

Math
The difference between a number and the number that formed by reversing the digits is 36.if the digit at the tens place is twice the digit at the unit's place.find the number
Friday, November 25, 2016 by Anonymous

Math
using each digit once what is the largest odd numbers that can be formed using 6'8'and 5.. ano sagot insan.. hehe
Friday, November 25, 2016 by MArj

Math
A coin is tossed and a three-sector spinner is spun. What are the chances of getting 1 Heads and a 2? *Please answer with a simplified fraction*
Friday, November 25, 2016 by Adira

Math
An exercise book costs $0.9 and a pencil cost $0.6. What is the total cost of buying: 2 exercise books and y pencils in terms of Y?
Friday, November 25, 2016 by Dora

math 113
an object is thrown upwards and its height h(t) in meters after t seconds is given by the equation h(t)=1+4t-5t^2 .when the object hit the ground.
Friday, November 25, 2016 by chrop

math,physics,chemisty,biology
the number of moles of H2O2 required to completely react with 400ml of 0.5N KMnO4 in acidic medium are
Thursday, November 24, 2016 by Chanchal

Math - Antiderivatives/Integrals
Find the function with derivative f?(x)=e^(9x) that passes through the point P=(0,4/9).
Thursday, November 24, 2016 by Kid

Math
A decorative pottery bowl with a diameter of 30 cm is used as a garden ornament . A rain shower fills it with water to a maximum depth of 7 cm. The bowl is slowly tipped to remove the water. What angle will the rim of the bowl make with the horizontal when the water begins to ...
Thursday, November 24, 2016 by Carrie

Math
If the product represented by 128! is divisible by 18^n, what is the largest possible value of n?
Thursday, November 24, 2016 by Marley

Math
The legs of a right triangle are 6 cm and 18 cm. The hypotenuse of a similar triangle is 24 cm. What is the area, in cm squared, of the larger triangle?
Thursday, November 24, 2016 by Pravin

math
Can I double check this I'm not entirely sure if my answer is correct. What is the smallest perfect square that has a factor of 90. 8100?
Thursday, November 24, 2016 by Maryam

math-factors and multiples
GCF of 40a^3 and 32a^2
Thursday, November 24, 2016 by Maryam

math
LCM of 10a and 15a^2 Factors of 10a are 10,a,2,5 but the prime factors are 2,5,a Factors of 15a^2 are 15,a^2, 3,5,a,a Prime factors are 3,5,a,a Common between two are 5 and a So is the LCM of 10a and 15^2 5a?
Thursday, November 24, 2016 by Maryam

math
Solve and graph the inequality 5 less than and equal to m/-3+18
Thursday, November 24, 2016 by shima

math
Given f(x)=3x+2 and g(x)=4-5x Find a) f(x)-g(x) b) f(x)÷g(x) c) f(x)×g(x) d) 2×f(x)
Thursday, November 24, 2016 by shima

math
Write an equation in slope-intercept form for the line that passes through the given point(-1,2) and is parallel to the graph of the given equation y=1÷2x-3.
Thursday, November 24, 2016 by shima

Math
Julie scored 50 points in a game. How many points did Leonora score if she scored p points less than Julie in terms of p?
Thursday, November 24, 2016 by Clara

Math
How to simplify this ratio (1/2):(1/3)
Thursday, November 24, 2016 by senti

math
A trader bought 30 baskets of potatoes and 100 baskets of oranges for $2450. She sold the potatoes at a profit of 40% and the oranges at a profit of 30%. If her profit on the entire transaction was $855, calculate the: 1) Cost price for a basket of potato; 2) Selling price of ...
Thursday, November 24, 2016 by somay

math
A trader bought 30 baskets of potatoes and 100 baskets of oranges for le2450. She sold the potatoes at a profit of 40% and the oranges at a profit of 30%. If her profit on the entire transaction was le855, calculate the: 1) Cost price for a basket of potato; 2) Selling price ...
Thursday, November 24, 2016 by somay

Math
Evaluate: (7-8*(-1))*-1^2006=
Thursday, November 24, 2016 by Cici

math
A bus contain 42 passengers the number of male is 5 times the number of female how many famale in the bus
Thursday, November 24, 2016 by Anonymous

math
Determine whether the lines y=8x-5 and y=(-2÷16)x-3 are parallel or perpendicular or neither parallel nor perpendicular.
Thursday, November 24, 2016 by shima

math
25m^6-121m^4
Thursday, November 24, 2016 by shima

Math
John is now 10 years older than Marcus. Three times Johns age 5 years from now will be the same age as Marcus age 5 years ago. Write the equation and solve
Thursday, November 24, 2016 by Ciara

math
Show that -3 is a multiplicative inverse of 17 modulo 26 Started with 17 * -3 = -51 but doesn't seem right? help
Thursday, November 24, 2016 by s17

math
f:x = 2x²+x-6
Thursday, November 24, 2016 by viky

math
A manufacturer produces a standard model and a deluxe model of a 25-inch (in). television set. the standard model requires 12 h of labor to produce, and the deluxe model requires 18 h. The company has 360 h of labor available per week. the plant's capacity is a total of 25...
Thursday, November 24, 2016 by shima

Math
A decorative pottery bowl with a diameter of 30 cm is used as a garden ornament . A rain shower fills it with water to a maximum depth of 7 cm. The bowl is slowly tipped to remove the water. What angle will the rim of the bowl make with the horizontal when the water begins to ...
Thursday, November 24, 2016 by Allen

Math
How do you multiply 12 times 13 step by step step
Thursday, November 24, 2016 by Anonymous

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