Wednesday
February 10, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
14.2 is 35.5% of what number? 3/4 is 60% of what number? What number is 25% of 7/8?
Thursday, January 21, 2016 by Ty

Math
The length of a rectangle is three times its width and length of its diagonal is 6√(10)cm.What is the perimeter?
Thursday, January 21, 2016 by Raju

Math
Sara earns a 15% commision on furnture she sells. How much commision would she earn if she sells a dining room set for $850.00?
Thursday, January 21, 2016 by Amy

Math
Eddie sold an antique lamp on Ebay for $75. Eddie had to pay the Ebay a fee if $6.00 on the final sales price. What percent if the sale was the fee to Ebay?
Thursday, January 21, 2016 by Amy

math HELP
what is the most easiest way( or can you teach me) for Pythagorean theorem using composite solids for my test tomorrow?
Thursday, January 21, 2016 by john

math
the Temperatureat night usually decreases at an average of 40 degree per hour. write an integer to represent the temperature change from 10 pm to 5 am?
Thursday, January 21, 2016 by john

MATH
I forgot the arithmetic series formula and can't find it online
Thursday, January 21, 2016 by Tybalt Wayne

Math
Write the equation y-2=6x+3 in y+mx+b form
Thursday, January 21, 2016 by smart1111

Math
A cube is rolled 30 times, how many times will it land on 5 or 6?
Thursday, January 21, 2016 by Zingo

Math
A can containing 3 tennis balls has a volume of 128/9pi cubic inches. If the height of the cylinder is 8in., what is the diameter of each tennis ball. Please explain how to do this.
Thursday, January 21, 2016 by Katie

Math
How would you convert 4meters 20 centimeters to centimeters?
Thursday, January 21, 2016 by Raines

Math
A .Lyza has a 9-inch board. She wants to measure the length of a small rug in feet. How can she do this? B. she finds that the 9-inch board fits 4 times along the rug length. How many inches is this ?______ how many feet?______
Thursday, January 21, 2016 by Raines

math
Amanda can run 4/5 of a mile in 9 minutes.Express her speed as a unit rate in miles per hour.
Thursday, January 21, 2016 by Sandy

math
an open rectangular box has external dimensions as follows: 100cm long,90cm wide and 80cm deep if it is made from wood 2cm thick, calculate the volume of wood in the box
Thursday, January 21, 2016 by anil

Math
Write and solve a proportion to complete the statement. Round your answer to the nearest hundredth. 90 lb ≈ kg I am having trouble even understanding how to do this?
Thursday, January 21, 2016 by Meggie

Math
How do you draw a number line to figure out if 3/8 and 3/4 is equivalent?
Thursday, January 21, 2016 by Samantha

Math
Convert the rate 1000 fluid ounces per 2 hours to cups per minute. Please help, i have a test in 3 days!!!
Thursday, January 21, 2016 by Anonymous

Math
Which number is less than -2 4/5 but greater then -3 1/5 A -3 1/2 B -3 2/3 C - 2 1/2 D -2 7/8
Thursday, January 21, 2016 by smart1111

math
Estimate each qutioent 35 divided by 4is what
Thursday, January 21, 2016 by ariana

math help
Which number is less than -2 4/5 but greater then -3 1/5 A -3 1/2 B -3 2/3 C - 2 1/2 D -2 7/8
Thursday, January 21, 2016 by smart1111

MAth
What is another way to show 1/8 + 5/8
Thursday, January 21, 2016 by Gaby

math
-1<-1/5x
Thursday, January 21, 2016 by kevina

math i need help
What is the simplified form of each expression? 1. Alg 1 (1 point) A.Alg 1 B.n4 *** C.n8 D.n12 i think it's B
Thursday, January 21, 2016 by freddy

Math
The third term of a GP is 10, and the 7th term is 6250. What is the common ratio?
Thursday, January 21, 2016 by Ayo

Math
I have 60 questions to answer and 70% is passing I got 20 wrong did I pass
Thursday, January 21, 2016 by Stacy

math - help please, thanks
1. 86 is 45% of what number? a. 86 = 0.45n * b. n = 0.45 x 86 c. 0.45 = n x 86 d. 86 = 45n 2. What percent of 26 is 4? a. 0.26 = n x 4 b. n = 0.26 x 4 c. 4 = n x 26 * d. 26 = 4n 3. What percent of 250 is 70? a. 3.6% b. 18% c. 28% * d. 175% 4. 65% of 80 is what number? a. 25 b...
Thursday, January 21, 2016 by xoie

math
XYZ is an isosceles triangle with |XY|=|XZ|=6cm and angle XYZ=120°. Calculate the length of line YZ.
Thursday, January 21, 2016 by Princess

Math- Please Help!!
1) q-12>-13 q>1 q>-1 q>25 q>-25 2) g/-5>-18 g<-23 g>-90 g>90 g<90 3) The result subtracted from a number n is at least 2 What numbers solutions? n-2>6; n>8 n-6>2; n>8 n+6>2; n<4 n+6<2; n>4
Thursday, January 21, 2016 by Connections Academy Student

math
1. 86 is 45% of what number? a. 86 = 0.45n * b. n = 0.45 x 86 c. 0.45 = n x 86 d. 86 = 45n 2. What percent of 26 is 4? a. 0.26 = n x 4 b. n = 0.26 x 4 c. 4 = n x 26 * d. 26 = 4n 3. What percent of 250 is 70? a. 3.6% b. 18% c. 28% * d. 175% 4. 65% of 80 is what number? a. 25 b...
Thursday, January 21, 2016 by xoie

math
if you answered 12 questions correctly on a test with a total of 21 questions, what is the percent of what you go right?
Thursday, January 21, 2016 by jessie

math
An oatmeal box is shaped like a cylinder with 2 inch radius and 9 inch height. Use a net to find the surface area S of the oatmeal box to the nearest tenth. Then find the number of square feet of cardboard needed for 1,500 oatmeal boxes. Round your answer to the nearest whole ...
Thursday, January 21, 2016 by Tim

Math
!@#$%^& u mis sue
Thursday, January 21, 2016 by MEEEEEEEEEEEEEE

math
1st wall 5'long 8' wide 2nd wall 9'long 8'wide 3rd wall 2' long 4' wide tile size is 2'long 4'wide how many tile do I need
Thursday, January 21, 2016 by Mike

math
Find the product of 5 and 4 . Express your answer in simplest form.
Thursday, January 21, 2016 by julia

Math
Hello. 1. 86 is 45% of what number? A. 86 = 0.45n *** B. n = 0.45 x 86 C. 0.45 = n x 86 D. 86 = 45n 2. What percent of 26 is 4? A. 0.26 = n x 4 B. n = 0.26 x 4 C. 4 = n x 26 *** D. 26 = 4n 3. What percent of 250 is 70? A. 3.6% B. 18% C. 28% *** D. 175% 4. 65% of 80 is what ...
Thursday, January 21, 2016 by Jingo

Math
What is a bin range? A. the range of the data that each bar in a histogram represents B. the description of the cells that are used t display the data C. the total range of data in a bar graph D. the line that is created when you connect the plots in a graph
Thursday, January 21, 2016 by dasha

Math
which of the following sets of data would be represented best in a histogram? A. the number of toys sold in five price ranges. B. The average monthly sales for the Big Toy company. C. The number of each type of candy sold last month D. the temperature at which hard candy melts
Thursday, January 21, 2016 by dasha

math
Let f(x) = 2x/(x^2+9). Find the domain of f. Write your answer using interval notation.
Thursday, January 21, 2016 by Carolyn

Math
Suppose f(x)=x^(3)−3 What is the average rate of change of f(x) with respect to x as x changes from 1 to 1+h? The AROC is?
Thursday, January 21, 2016 by brittany

math
1. A distance of 1 kilometre is represented on a map by a line 5cm in length. The scale is 1cm to ? m. 2. Value Added Tax at a rate of 20% is added to the price of a washing machine which costs €250 before tax. What will be its price after VAT has been added? 3. How much ...
Thursday, January 21, 2016 by liam

math
Simplify the following by factorising and dividing 6x^2-11x-10/2x-5
Thursday, January 21, 2016 by rainier

math
X^2-x-6/2x-6
Thursday, January 21, 2016 by nina

Math
Let f(x)=7x2. Find a value A such that the average rate of change of f(x) from 1 to A equals 84. A=
Thursday, January 21, 2016 by Jim

Math
Let f(t)=t^(2)+5t+2. Find a value of t such that the average rate of change of f(t) from 0 to t equals 11. t=
Thursday, January 21, 2016 by Ken

Math
Turner measures 3/4 foot of ribbon for a costume.He needs 9 pieces of ribbon with that same length. Fill in the blanks to complete an equation that turner can use to find the total length of ribbon that he needs, in feet
Thursday, January 21, 2016 by Anonymous

Math
Suppose f(x)=x^(2)+6x+1 What is the average rate of change of f(x) with respect to x as x changes from −1 to 1? The AROC is:_____?
Thursday, January 21, 2016 by John

Math
Martin has 7 3/4 pounds of soil he wants to distribute evenly over 4 garden plots. How much soil will be in each plot?
Thursday, January 21, 2016 by Kyrah

Math
Determine the composite function of F(x)= sin x and g(x)=x
Thursday, January 21, 2016 by Matt

math
For the Rule of 78, for a 12 month period, the last term in the sequence is 12 and the series sums to 78. For an 18 month period, the last term is and the series sum is . For a 24 month period, the last term is and the series sum is . For a 30 month period, the last term is ...
Thursday, January 21, 2016 by gregory

math
In how many ways can 6 students be seated in a row of 6 seats if 2 of the students insists o sitting beside each other?
Thursday, January 21, 2016 by jouana

Math
Determine the composite function of F(x)=2^x and g(x)=3-x
Thursday, January 21, 2016 by Matt

math
From a square piece of cartolina with a side of 60cm, liza cut the biggest cross. What is the area of the cross?
Thursday, January 21, 2016 by mariel

math
A horse is tied with a rope of length 7meter at one corner of a square field having a side of 10 meter . the area of the field out of reach for the horse is ?
Thursday, January 21, 2016 by rajendra kewat

math
water has a chemical formula h2O which means each molecule of water contains two atoms of hydrogen one atom of oxygen if oxygen atom has a mass 16 times as much as the hydrogen one .what are the propotions of oxygen and hydrogen in 2kkg of water
Thursday, January 21, 2016 by Anonymous

math
Henry has a box that has 24 cm length, 27 cm width, and 10 cm height. He wants to cover the box with paper without any overlap. A) How many square centimeters will be covered with paper? B) Suppose the length and width of the box double. Does the surface area S double? Explain...
Thursday, January 21, 2016 by Tim

math
An oatmeal box is shaped like a cylinder with 2 inch radius and 9 inch height. Use a net to find the surface area S of the oatmeal box to the nearest tenth. Then find the number of square feet of cardboard needed for 1,500 oatmeal boxes. Round your answer to the nearest whole ...
Thursday, January 21, 2016 by Tim

math
Enya is building a storage cupboard in the shape of a rectangular prism. The rectangular prism has a square base with side lengths of 2.5 feet and height of 3.5 feet. Compare the amount of paint she would use to paint all but the bottom surface of the prism to the amount she ...
Thursday, January 21, 2016 by Tim

math
Plz solve this problem.. A wire of 100 cm is cut into two parts and each part is bent to form square.if the sum of the areas of two squares is 425 cm square.find the length of side of two square.
Thursday, January 21, 2016 by Ali

MATH
Devon travels 40 km to Edmonton by car, and then returns by bus. The average speed of the car is 20 km/h greater than the average speed of the bus. If Devon's total travel time is 54 min, what is the average speed of the bus? Please help!! Math Final tomorrow!!
Thursday, January 21, 2016 by Chingnong

Math
Devon travels 40 km to Edmonton by car, and then returns by bus. The average speed of the car is 20 km/h greater than the average speed of the bus. If Devon's total travel time is 54 min, what is the average speed of the bus?
Wednesday, January 20, 2016 by Chingnong

Math
What does it mean to get a 150% salary raise?
Wednesday, January 20, 2016 by Lina

math / algebra
n the lab, Bob has two solutions that contain alcohol and is mixing them with each other. He uses 400 milliliters less of Solution A than Solution B. Solution A is 20% alcohol and Solution B is 13% alcohol. How many milliliters of Solution B does he use, if the resulting ...
Wednesday, January 20, 2016 by Nevada

Math help!!!
Hi, can someone please tell me how I would change 4/20 into a percent? Thank you :)
Wednesday, January 20, 2016 by Raven

math
three towns A,B,C are situated such that AB is equal to 60km and AC is 100km.The bearing of C from A is 290degree and the bearing of B from A is 060 degree calculate a)the distance BC b)the bearing of B from C
Wednesday, January 20, 2016 by fredrick

math
write a translation rule that maps point D (7, -3) onto point D'(2,5)
Wednesday, January 20, 2016 by anon

math
the area of a squar floor on a scale drawing is 100 square centimeters ,and the scale of the drawing is 1cm:2ft.what is the are of the actual floor?what is the ratio of the area in drawing to the actual area?
Wednesday, January 20, 2016 by tera

math
I have 54 in the denominator..i am equivalent to 7/9..what fraction am i
Wednesday, January 20, 2016 by getonya

Math
How do you figure out x? -0.00996 - 0.4012x - 3.9712x^2 + 1.08x^3 = 0
Wednesday, January 20, 2016 by Anonymous

Technical Math (College)
Question: The formula s=4.90t^2 gives the distance s in meters that a body falls in a given time t. Find the distance a ball drops in 4.2 seconds. Use the rules for multiplication of measurements in evaluating the answer. ------------------------------------ I understand how ...
Wednesday, January 20, 2016 by Shelly

Math
All of the water from a full cylindrical tank is drained into a rectangular aquarium. The cylinder has a height of 50cm and a diameter of 30cm. How deep is the water in the aquarium, if it has a rectangular base measuring 40cm by 20cm.
Wednesday, January 20, 2016 by Anonymous

Math
During your first week of training for a marathon, you run a total of 10 miles. You increase the distance you run by twenty percent. How many miles do you run during your twelfth week of training?
Wednesday, January 20, 2016 by Shannon

math
my thousands digit is 2 times my hundreds digit. the sum of my tens digi t and my ones digit is 2 less than my thousands digit. my hundreds digit is 1 less than my tens digit
Wednesday, January 20, 2016 by sebastian

Math
Thomas needs to cut a piece of wood for a model airplane he is builing. He has four peices of wood: 5 ft, 4 ft, 6 ft, 3 ft long. If the length of wood he needs to cut √11 ft long, which peice of wood should be cut to have the least amount of unused wood.
Wednesday, January 20, 2016 by anon

math
A pancake recipe calls for 2.5 cups of pancake mix to make 10 servings. Carmen uses 3 cups of mix to make 14 servings. Does Carmen have the correct ratio for the recipe? Explain
Wednesday, January 20, 2016 by monkey

math
Which correctly renames 2/3 and 1/2 using a common denominator??
Wednesday, January 20, 2016 by Luis

Fourth grade math
(1) Courtney has 36 photos to arrange on a gallery walk. Part A How many arrays can Courtney make with the 36 photos? List all the possible arrays. Part B How many factors are there for 36? Write them. What do you notice about the number of factors of 36 and the number arrays ...
Wednesday, January 20, 2016 by E

Math
The length of a rectangle is 8 cm longer than its width , if the perimeter is 84 cm , what is its area
Wednesday, January 20, 2016 by Julie

Math
David uses 1/2 cup of apple juice for 1/4 cup of cranberry juice to make a fruit drink. What is the number of cups of apple juice David uses for 1 cup of cranberry juice.
Wednesday, January 20, 2016 by Hector lopez

math
.25 lb burger costs $2.95 .50 lb burger costs $3.90 how much does a pound of beef cost?
Wednesday, January 20, 2016 by sam

Math
The length of a rectangle is 8 cm longer than its width , if the perimeter is 84 cm , what is its width
Wednesday, January 20, 2016 by Julie

Math
A circle is divided into 8 equal parts. What is the total angle measure of 4 parts?
Wednesday, January 20, 2016 by Sara

Math
If h is hours and n is the number of radios remaining, complete the equation: n= ____ x h = ____
Wednesday, January 20, 2016 by Dee

math
carrie has 1/5 bags of cashew nuts that she wants to divide into 25 snack bags. what fraction o the nuts will be in each bag? 1/5divided 25 1/5x1/25=1/125 this correct or wrong
Wednesday, January 20, 2016 by siri

math
carrie has 1/5 bags of cashew nuts that she wants to divide into 25 snack bags. what fraction of the nuts will be in each bag?
Wednesday, January 20, 2016 by siri

Business Math
Raimo borrowed $760 from Chris on October 10 and agreed to repay the debt with simple interest at the rate of 4.4% on May 11. How much interest was owed on May 11? Assume that February has 28 days. (Round your answer to the nearest cent.)
Wednesday, January 20, 2016 by Anonymous

math
find the cumulative function, mean and variance of the following continuous pdf of a random variable X. f(x)=x/2 for 0<x<1 f(x)= 1/2 for 1<x<=2 f(x)=(3-x)/2 for 2<x<3 f(x)=0 otherwise
Wednesday, January 20, 2016 by Zelalem Getnet

Math
What is the volume of a 2 ft wide 2 ft long and 4ft high box?
Wednesday, January 20, 2016 by Linda

math
what is the volume of a 2 ft wide 2 ft long and 4ft high
Wednesday, January 20, 2016 by Nina

MAth
A cylinder has a volume of 300 Pi cubic meters What is its Height
Wednesday, January 20, 2016 by Anonymous

Math
Brody deposited $500 into an account that earns 4.2% interest compounded annually. He makes no additional deposits and no withdrawals. Approximately how much interest will the account have earned after 7 years? A $167 B $420 C $542 D $665 I think the answer is D. But can ...
Wednesday, January 20, 2016 by Lily

Math
Hello, can anyone help me with this one question? What are the two solutions of x^2 – 2x – 4 = –3x + 9? A. the y-coordinates of the y-intercepts of the graphs of y = x^2 – 2x – 4 and y = –3x + 9 B. the x-coordinates of the x-intercepts of the ...
Wednesday, January 20, 2016 by Brady

Math - Are they right?
350 is 70% of what number? A) 500 *** B) 420 C) 245 D) 280 What percent of 64 is 24? A) 267% B) 62.5% C) 40% D) 37.5% *** What percent of $6.50 is $2.60? A) 25% B) 40% *** C) 90% D) 250% 20% of 140 is what number? A) 280 B) 120 C) 28 *** D) 12
Wednesday, January 20, 2016 by Grayson

Math
A strand of lights has 50 light bulbs. Eight bulbs are burned out. Write the ratio of total number to the bulbs that are burned out.show this ratio all 3 ways, in simpliest form.
Wednesday, January 20, 2016 by Amy

Math
Factor the following problems X^2+X-42=0 2x^2+7x+3=0
Wednesday, January 20, 2016 by Anonymous

Math
A company prints 22,860 tickets for a stadium. The tickets are placed into groups if 125. How many groups if tickets are made?
Wednesday, January 20, 2016 by Amy

Math
Mary bought a roll of ribbon. After using 5/8 of the ribbon to decorate some packages she had 15ft left how many feet of ribbon did she buy
Wednesday, January 20, 2016 by Katie

Math
Two numbers whose are in the ratio 4:3. Their sum is 70. Find the numbers.
Wednesday, January 20, 2016 by Ashley

Math
Brody deposited $500 into an account that earns 4.2% interest compounded annually. He makes no additional deposits and no withdrawals. Approximately how much interest will the account have earned after 7 years? A $167 B $420 C $542 D $665 My possible answers are A or D. I'...
Wednesday, January 20, 2016 by Suzy

Math
AB is parallel to CD and diagonal BD is 25cm ,side BA is 7cm and CD is 17cm
Wednesday, January 20, 2016 by Apra

Math
Solve the following system of equations using substitution. What is the value of Y? 2x+3y=105 x+2y=65 A. 15 B. 25 C. 40 D. 65
Wednesday, January 20, 2016 by Cami

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