Wednesday
January 18, 2017

Homework Help: Math

Branches of Math

Recent Math Questions

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...
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...
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 = π 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 2θ .Then sinθ 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
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

math
Mary is now three times as old as her daughter. Four years ago the products of their age was 40 .calculate their present years
Thursday, November 24, 2016 by dama

Math grade 5, two-part problem
The ratio of the number of alex's beads to the number of betty's beads was 3:4.after alex bought another 72 beads,the ratio became became 3:1. A. How many beads did betty have? B.if alex gave away 80 beads,what would by the new ratio of the number of betty's beads ...
Thursday, November 24, 2016 by Peachie

Math grade 5, two-part problem
The ratio of the number of lisa's pens to the number of adeline's pens was 2:3 at first.after father gave lisa another 16 pens,the ratio became 2:1 A.how many pens did adeline have? B.if adeline gave away 6 pens,what would be the new ratio of the number of lisa's ...
Thursday, November 24, 2016 by Peachie

Math
The ratio of 2 number is 9 and 3 if the sum of two numbers is 72. What is the smaller number?
Thursday, November 24, 2016 by Franckish Jane

math
Use Euclid's algorithm to find a multiplicative inverse of 15 mod 88, hence solve the linear congruence 15x=20(mod 88) So far I have: 88=5x15+13 15=1x13+2 Backwards substitution gives 15v+18w=1 1=15-1x13 =15-1(88-5x15) =15x15-1x88 now very stuck what to do from here:(
Thursday, November 24, 2016 by s17

Math
Triangle ABC has vertices A(-4,-3),B(4,-1) and C(-2,3). Find the length of median CM?
Thursday, November 24, 2016 by Dianne Garcia

math
four times a number increased by 5 is 37 translate this into algebraic equation
Thursday, November 24, 2016 by kent yrell

finite math
If n(B) = 13, n(A ∪ B) = 20, and n(A ∩ B) = 5, find n(A).
Thursday, November 24, 2016 by corey carter

Math
The distance between two stars is 0.009 light years. A light year is equal to 5.88 x 10^12 miles. What is the distance,in miles, between the two stars? Represent your final answer in scientific notation
Wednesday, November 23, 2016 by Stefanie

math!
You have 48 minutes to take an exam of 21 questions. After you finish the first 10 questions, you realize you must answer the remaining questions twice as fast to finish the exam. How many questions per minute were you answering? Also, how many questions per minute must you ...
Wednesday, November 23, 2016 by Lewis

Math grade 9
James and slyvie need to paint the line around the soccer field. To know how much paint to buy they must find out the perimeter of the field. James claims, "I can calcuate the perimeter of the field by using the formula P= 2(l+w) while slyvie says that the correct formula...
Wednesday, November 23, 2016 by Please can someone explain

Math
Consider ∠C such that sin C = 7/25 a) What are the possible quadrants in which ∠C may lie? b) If you know that cos C is negative, how does your answer to part a) change? c) Sketch a diagram to represent ∠C in standard ...
Wednesday, November 23, 2016 by Ahmed

Math
An angle θ satisfies the relation csc θ cos θ = -1. A) Use the definition of the reciprocal trigonometric ratios to express the left side in terms of sin θ and cos θ. B) What is the relation between sin Î&...
Wednesday, November 23, 2016 by Kelly

Math
Bart and Bethany play a game. They each roll a regular 6-sided die labeled 1to 6. Use an outcome table to show all possible outcomes: (2 marks) is the total number of outcomes 12?
Wednesday, November 23, 2016 by maddy

math
Four friends contribute sums of money to a charitable organization in the ratio of 2:4:5:7. if the largest amount contributed is $1.40, calculate the total amount contributed used by the four people?
Wednesday, November 23, 2016 by andrew

math-IS MY ANSWER RIGHT?
Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = x i + y j + z4 k S is the part of the cone z = ...
Wednesday, November 23, 2016 by Anon

Math
How to you write an equation of a line with no slope and no points?
Wednesday, November 23, 2016 by Janelle

Math
Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of F across S. For closed surfaces, use the positive (outward) orientation. F(x, y, z) = x i + y j + z4 k S is the part of the cone z = ...
Wednesday, November 23, 2016 by Anon

math
How do you use a conversion chart?
Wednesday, November 23, 2016 by noob leaner

Math please explain how to do this
how do I find the value of x in the following: (x-520,000)/[(800,000+880,000)/2]=
Wednesday, November 23, 2016 by Patte

math
what divided by 7 equals 15
Wednesday, November 23, 2016 by alex

math
I think of a number,multiply it by 3 and add 7.i get the Same answer if I multiply the number by 4 and subtract 12.find the number
Wednesday, November 23, 2016 by Juli

Math
The relationship of red ribbons to green ribbons is 10 : 1/4. How mini red ribbons are used for every 4 1/2 green ribbons?
Wednesday, November 23, 2016 by Tina

Math
I am a little unsure of how to answer this question: Write an inequality to represent the limit you may not exceed when spending to make your product. Here's the background information I have. You are going to decide on a summer business to start. Figure out what you will ...
Wednesday, November 23, 2016 by Donut Holstein

Math aglebra
I need help RIGHT NOW!!!!!!!!!!!!!! On the blueprints of Adam's office building, the length of his rectangular office space is 5 1/4 inches. If the actual length of Adam's office space is 10 1/2 feet, what is the scale of the blueprint?
Wednesday, November 23, 2016 by Chelsea

Math
A trapezium measures 9.5cm (b1) 17cm (b2) & 6cm (h). Now, divide the trapezium into a rectangle & a triangle to find their areas. Hence, find the area of the trapezium.
Wednesday, November 23, 2016 by Austin

math
2+3Log a
Wednesday, November 23, 2016 by Collins

Math
The figure is made up of two rectangles measuring 7cm by 3 and a square of side 4cm. Find the area of the figure.
Wednesday, November 23, 2016 by Austin

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