Wednesday
May 4, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
David wants to build a pen for his goat. He wants the area of the pen to be 48 square feet. If the length and width of the pen are whole numbers, which of the following could be the perimeter of the pen? - p = 26 ft - p = 28 ft - p = 30 ft - p = 36 ft
Tuesday, March 15, 2016 by Julia

Math
Perform the operation. 8 & 1/2 +5 & 1/8
Tuesday, March 15, 2016 by Sam

math
Which of the following statements is a true proportion? 18/42=12/18,18/42=9/24,18/42=21/48,or 18/42=118/142
Tuesday, March 15, 2016 by Tia

Math
What type of sequence is this? 2 , 3, 5, 8, 12 Arithmetic, geometric or neither
Tuesday, March 15, 2016 by Help!

math
What is the answer to this fractions 1/3 + 2/7
Tuesday, March 15, 2016 by Tia

Math
a mother is twice as old her daughter.she was six times her age twenty years ago.how old is the mother now?
Tuesday, March 15, 2016 by Mpho

math
A kite flight of a tant string of length 50m inclind at angle of 54 degree to the horizontal ground. What is height of the kite above the ground?
Tuesday, March 15, 2016 by ay

Math
1. When Tyson opens and lays a cereal box out flat, he sees that the top and the bottom of the box both measure 11 inches by 8 inches, the sides of the box both measure 11 inches by 6 inches, and the front and back of the box both measure 8 inches by 6 inches. What is the ...
Tuesday, March 15, 2016 by Cassie

math
The level of oil in a storage tank buried in the ground can be found in much the same way as a dipstick is used to determine the oil level in an automobile crankcase. Suppose the ends of the cylindrical storage tank are radius of 3ft and the cylinder is 20ft long. Determine ...
Tuesday, March 15, 2016 by Adams

math
In a Farmer's Market a man sold 5 times as many apples as watermelons. He sold a total of 66 apples and watermelons. How many apples did he sell?
Tuesday, March 15, 2016 by rhonda

Math
How does increasing the size of an object affect its volume to surface area ratio?
Tuesday, March 15, 2016 by Alanna

Math
what is the value of the missing angle? (I don't know what you call this shape but its like drawing a house on paper but its upside down ex: the triangle is on the bottom and the square is on top. where the triangle is theres a number 140 on each side and the point part ...
Tuesday, March 15, 2016 by Amber

Math
what is the area of the triangle? (its a scalene obtuse triangle) height 4.5 ft base 8.7 ft A. 13.2 ft^2 B. 19.575 ft^2 C. 20.25 ft^2 D. 39.15 ft^2
Tuesday, March 15, 2016 by Amber

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 10 month period, the last term is and the series sum is . For a 15 month period, the last term is and the series sum is . For a 20 month period, the last term is ...
Tuesday, March 15, 2016 by stephen

Math
Solve the proportion 5/8=y/40 A)y=25 B)y=13(I pick this) C)y=11 D)y=10
Tuesday, March 15, 2016 by I need help

Math
Solve the proportion G/56=2/8 A)g=14 B)g=16 C)g=13 D)g=50(I pick this)
Tuesday, March 15, 2016 by I need help

Math
what is the area of the parallelogram? Bottom base 15 in height 7 in A. 105 in^2 B. 110 in^2 C. 52.5 in^2 D. 210 in^2
Tuesday, March 15, 2016 by Amber

math
Juan rode his bike 10 miles on sunday. on monday he rode 3 1/4 times as far on Sunday. How many miles did he ride on Monday?
Tuesday, March 15, 2016 by racine

Math
Suppose you are interested in determining the probability that a college student will own a personal computer. You poll 8 of your classmates from randomly selected classes and find that 5 of them own their own computers. Find a 90% confidence interval estimate for the ...
Tuesday, March 15, 2016 by Anonymous

math
Find the equation of a parabola where the vertix is at origin and the parabola opens to the left and passes through (-1,2).
Tuesday, March 15, 2016 by pallavi

Math
The formula for finding the perimeter of an equilateral triangle is P = 3s. How can you transform the formula so that it can be used to determine the length of one side of the triangle when given the perimeter?
Tuesday, March 15, 2016 by Liv

Math
the formula rt=d is used to calculate distance if you know the rate and time what is the equation? My answer correct me if Im wrong is r=td sorry I'm not really good at this.
Tuesday, March 15, 2016 by ......

math
The circle graph represents a familys monthly budget. If the monthly budget was 5,000, how much does the family spend on items other than food and housing? The graph has 50% other and 20% food and 30% housing. A.1,000 B.1,500 C.3,500 D.2,500*
Tuesday, March 15, 2016 by Plzzzzzzzzz Help

math
draw a triangle ABC in which AB:AC is 1:3 and BC 6 cm and angle c=75
Tuesday, March 15, 2016 by harsh

math
An inverted square pyramid has a height equal to 8m and a top egde equal to 3m. Initially, it contains water to a depth of 5m.
Tuesday, March 15, 2016 by beverly

Math
Let P be the point (0,-1) and Q be the point (3,2). In this Cartesian coordinate system, find the point on the line segment PQ that is twice as far from P as from Q. Please help, I need this for a test and i have totally forgotten the formula and notes and how to do anything ...
Tuesday, March 15, 2016 by Anna

math
Question: Given that h and k are the roots of quadratic equation 5x^2-10x+2=0, find the value of h^2+k^2 I have used alpha + beta method to do but it not works
Tuesday, March 15, 2016 by jiayi

Math, accounting, Business, CAT
What can i study after high school with this subjects?
Tuesday, March 15, 2016 by Palesa

math
The pH of lemon juice is about 2.2. (a) What is the concentration of hydrogen ions in lemon juice? (b) A person squeezes 3 oz of lemon juice into a cup. Based on your answer to part (a), how many hydrogen ions does this juice contain? For example you could enter 2.45×...
Tuesday, March 15, 2016 by jennika

Math
Write the exponential function y=6(1.21)t in the form y=aekt. (a) Once you have rewritten the formula, give k accurate to at least four decimal places. k= help (numbers) If t is measured in years, indicate whether the exponential function is growing or decaying and find the ...
Tuesday, March 15, 2016 by ann

math
Susie wants to make some hot cereal for breakfast.The directions say to use 3 cups of water with 1 cup of cereal to make 4 servings.Susie only wants 1 serving.How much cereal should she use?
Monday, March 14, 2016 by sandra

Math
I need help on a question. 30 is 75% of what number? I got it wrong on the homework and I can't really show my work on here since i cross multipled but it's okay if you can't help me.
Monday, March 14, 2016 by Cure Smith

math
The demand function for a product is p=20−5q where p is the price in dollars when q units are demanded. Find the level of production that maximizes the total revenue and determine the revenue. q= units R= $
Monday, March 14, 2016 by ken

math
As dry air moves upward, it expands and in so doing cools at a rate of about 10C for 100m rise, up to about 12 km. a) If the ground temperature is 220, write a formula for the temperature at height x km. b) What range of temperature can be expected if a plane takes off and ...
Monday, March 14, 2016 by samantha

Math
If a punch recipe contains 40% of ginger-ale 25% of Orange Juice 20% of pineapple juice does 15% of sorbet how many cups of sugar are used in 8 cups of punch
Monday, March 14, 2016 by Molly

Math
I have a moving truck that gets 12 klms per gallon how car would you go on a 40g tank
Monday, March 14, 2016 by Mike

math
The first 5 minutes cost $3, and each minute after that costs $0.17. How much did it cost if they talked for 24 minutes.
Monday, March 14, 2016 by kuna

Math
The length of a rectangle is equal to triple the width. Find the dimensions of the rectangle if the perimeter is 72 cm
Monday, March 14, 2016 by Ava

Math
Oscar has 10 of his friends over he want to give them each 4/5 each of cake how many whole cakes does he need to feed them?
Monday, March 14, 2016 by Arturo

Math (geometry)
Earth's diameter at the equator is about 7926 miles. A jet flies 550 miles per hour. How long would it take the jet to fly halfway around the equator?
Monday, March 14, 2016 by Skylar(7th grade)

MATH
1. What data are represented by the stem-and-leaf plot below? 3 | 7 8 9 4 | 1 3 7 5 | 2 4 Key: 4 | 1 means 41 a. 37, 38, 39, 41, 43, 47, 52, 54 b. 73, 83, 93, 14, 34, 74, 25, 45 c. 7, 8, 9, 1, 3, 7, 2, 4 d. 37, 38, 39, 14, 34, 74, 25, 45 2. Find the mode and the median of the ...
Monday, March 14, 2016 by HELP ASAP

math
The ratio of cats to dogs at jazzy Jen's pet store is 3 to 5 .If there are 24 animals at the pet store,how many of them are cats?
Monday, March 14, 2016 by lilly

math
Luis draws 1 card from a deck, 39 times. Predict how many times he draws an ace. John and O'Neal are playing a board game in which they roll two number cubes. John needs to get a sum of 8 on the number cubes to win. O'Neal needs a sum of 11, if they take turns rolling ...
Monday, March 14, 2016 by Anonymous

math
A T-Rex has two children. Their ages are consecutive integers that total 33. How old are they both?
Monday, March 14, 2016 by kelton

Math
How are hexagons a subcategory of a polygon?
Monday, March 14, 2016 by Bonnie the Horse

math
Eben rolls two standard number cubes 36 times. Predict how many times he will roll a sum of 4.
Monday, March 14, 2016 by Anonymous

Math
Alice earns 1.5 times her hourly rate for each hour she works after 40 hours in a week. She worked 50 hours this week and earned $660. What is her normal hourly rate? I know her average rate is $13.20, but I know that's not what I need to find and I don'tunderstand how...
Monday, March 14, 2016 by Haley

math
In Mrs.Marshall's classroom, 6/7 of the students play sports. Of the students who play sports, 4/5 also play an instrument. If there are 35 in her class how many play sports and an instrument?
Monday, March 14, 2016 by Anna

math
Mrs Carter class is having a pizza party and have 15 kids and need to split 5/8 of pepperoni
Monday, March 14, 2016 by tenisha shy

math
Five runners are entered in a race. Assuming there are no ties, in how many different ways can first and second places be awarded?
Monday, March 14, 2016 by pj

math
Mrs Carter class has 30 kids and need to split 7/8 slices of bacon
Monday, March 14, 2016 by tenisha shy

math
Mrs coombs have 10 kids and need to split 5/8 of bacon
Monday, March 14, 2016 by tenisha shy

math
Syntax error from line 1 column 53 to line 1 column 60. Unexpected '0'. expressed as the quotient of two integers in simplest form? I don't know?
Monday, March 14, 2016 by Anonymous

math
how to right this in scientific in scientific notation. (2.74×10^7)+(5.6×10^7)=
Monday, March 14, 2016 by Gina-helen

math
a student’s grade in a class is simply the mean of five 100-point exams a. If the student has grades of 77, 73, 97, and 89 on the first four exams, what is the students’ grade before taking the last exam? b. What is the lowest score that the student can earn on the ...
Monday, March 14, 2016 by Debbie

Math
How many bags of fertilizer would I need to cover 1.68 acres
Monday, March 14, 2016 by Monica

math
Julie wants to have a 90 average in her math class at the end of the year. She is trying to determine what she needs to make on her final exam for this to work. Everything is weighted equally and she currently has a 85 for her quiz average, a 80 for her homework average, a 92 ...
Monday, March 14, 2016 by hallie

math
you need 2 gallons of paint to paint a mural. you already have 3/8 gallon yellow paint and 1/4 blue paint
Monday, March 14, 2016 by Anonymous

math
Point A=(0,0)and B=(3,0).Which of the following choices of C will make traingle ABC a right traingle? I try to work it with vector for whe I subtract (0,0) to (3,0) and gives me (-3,0) this only give me straight line.
Monday, March 14, 2016 by karabo

math
what is 2 1/3 plus 1 3/4? ......................................
Monday, March 14, 2016 by Chip

math
marta is a sales associate at a perfume shop.she earns 400 a week plus a 4% commission on sales.write an inequality to find the minimum amount that she needs to sell to earn at least $460 in a week?
Monday, March 14, 2016 by amber

Math Angeles
How can you use a right angle to determine the classification of another angle
Monday, March 14, 2016 by Keeyanah

math
In a fruit salad,12 strawberries are used for every 5 peaches. Flora uses 85 of these fruits altogether to make a large fruit salad. How many strawberries does she use?
Monday, March 14, 2016 by anonymous

Math
Alex made a sketch for a homemade soccer goal he plans to build. The goal will be in the shape of a triangular prism. The legs of the right triangles at the sides of his goal measure 4 ft and 8 ft, and the opening along the front is 24 ft. How much space is contained within ...
Monday, March 14, 2016 by Carol

Math
Juan is making the shape of a rhombus. the first three angles are 80 degrees 80 degrees and 100 degrees what is the measure of the fourth angle? A. 60 B. 100<My Answer C. 180 D. 240
Monday, March 14, 2016 by keykat

Math
mike can drive his car 33 miles with one gallon of gas does he need to drive 15000 miles?
Monday, March 14, 2016 by Katy

Math again!!!!
What is the total cost of 2 sweaters at $13 each and 2 shirts at $8 each
Monday, March 14, 2016 by Vanessa

Math
How many groups of 2/3 are in 2?
Monday, March 14, 2016 by Amy

Math
Arrange these numbers from least to greatest: 2 over 5 comma text   end text − 3 over 7 comma text end text 2 over 3. A. 2 over 5 comma text end text − 3 over 7 comma text end text 2 over 3 B. − 3 over 7 comma text end text 2 over 5 comma text end text...
Monday, March 14, 2016 by Marc

Math
Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea. These will be blended into 1 pound packages as follows: A breakfast blend that contains one third of a pound of A grade tea and two thirds of ...
Monday, March 14, 2016 by Hi

Math
y-6¡Ý12 Solve this pleae.
Monday, March 14, 2016 by LOVE

Math
please show me how to do this... A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work. Sn:   12 + 42 + 72 + . . . + (3n - 2)2 = n(6n^2-3n-1)/2 Also, please show ...
Monday, March 14, 2016 by Taylor

math
If you place $2,000.00 in a saving account with an interest rate of 4.5% month versus an account with a rate of 3.75% month, how much more interest could you earn in that month using the first account?
Monday, March 14, 2016 by don

math
the population of the world in the year 1650 was about 500 millions ,and in the year 2010 was about 6756 million .assuming that the population of the world grows exponentially ,find the equation for the population P(t) in millions in the year t
Monday, March 14, 2016 by dlamini zanele

Math
1. The two rectangles are similar. Which is the correct proportion for corresponding sides? the two rectangles are 4 by 12 and 8 by 24. thanks! A) 12/8=24/4 B) 8/4=24/12 C) 12/4=8/24 D) 4/12=24/8 Is the answer C? I'm not quite sure about it but that's what i'm ...
Monday, March 14, 2016 by Tim

math
F(x)=9x^3+2x^2-5x+4 and g(x)=5x^3-7x+4. What is f(x)-g(x)? Show all of your steps. I honestly have no idea how to do this. Can someone please explain what I have to do?
Monday, March 14, 2016 by sage

Math
The bottom of a shopping bag measures 8 inches by 10 inches. The bag has a height of 12 inches. How much paper is needed to make the bag? (1 point) 256 in2 296 in2 512 in2 ** 592 in2 A cube has a side length of x feet. Which expression represents the surface area of the cube...
Monday, March 14, 2016 by Rayleigh

math
yan gets allowance money every day. On Monday he gets 5 cents. On Tuesday he gets 12 cents. On Wednesday he gets 19 cents. On Thursday he gets 30 cents. On Friday he gets 35 cents. How much will he get on Saturday? How much will he have by the 12th day? The 16th day? When will...
Monday, March 14, 2016 by bea

Math
Given a number, a strange calculator can only do the following: multiply it by 2 or by 3, or to raise it to the power 2 or 3. Starting with the number 15, what can be obtained by applying this calculator 5 times consecutively? A) 2^8 . 3^5 . 5^6 B) 2^8 . 3^4 . 5^2 C) 2^3 . 3^3...
Monday, March 14, 2016 by Amitabha

Math
A three-digit integer has been divided by 9. As a result, the sum of the digits decrease by 9. How many three-digit numbers possess this property?
Monday, March 14, 2016 by Amitabha

Math
How many possible lunch combinations can I choose from with 12 meats, 20 side items, 7desserts, and 8 drinks?
Monday, March 14, 2016 by Lillian

mATH
Brittany is checking whether the pool she wants to buy will fit in her backyard. The pool with the patio measures 4 m by 5 m. Refer to the diagram below. a) Write an algebraic expression, in factored form, for the shaded area. b) When Brittany measures her yard, she notices ...
Monday, March 14, 2016 by Anonymous

math
Jorge has prepared his science project on a piece of poster board that has an area represented by the trinomial x2 + 5x – 50. a) What are the dimensions of the board? b) Write an expression for the perimeter of the board. c) What is the actual perimeter of the board if x...
Monday, March 14, 2016 by Anonymous

math help pls pls
The correlation coefficient for blood pressure and amount of vegetables eaten in a group of people is −0.7. Analyze the following statement: High blood pressure is caused by not eating vegetables. Is this a reasonable conclusion? No; blood pressure and eating vegetables ...
Monday, March 14, 2016 by Oscar

math
The cloth has an area of 20 square feet. What could be the dimensions of the piece of cloth?
Monday, March 14, 2016 by red

MATH
NEED HELP WITH THIS THANKS!!!TOGETHER, RYAN AND MAX HAD 195 BASEBALL CARDS. ONCE MAX GAVE 3/8 OF HIS CARDS TO ANOTHER FRIEND, HE AND RYAN HAD AN EQUAL NUMBER OF CARDS. HOW MANY MORE CARDS DID MAX HAVE THAN RYAN IN THE BEGINNING?
Monday, March 14, 2016 by TYSON

Math
Using Normal Tables, Find The Probabilities Of P( -1.50 < Z < 2.50)
Monday, March 14, 2016 by Biodam

math
1. what is the term for data that are grouped closely together? a. outlier b. liner c. positive d. clustering 2. what association would you expect if you was graphing height and weight ? a. position b. nonlinear c. negative d. none of these 3. what association would you expect...
Monday, March 14, 2016 by UNKNOWN

English
Social studies is fun/difficult/easy/interesting/exciting.​ Math Is _________. Science is _________. -------------------------------- Other than the adjectives above, what other adjectives can we use for the blank? Can you name suitable adjectives?
Monday, March 14, 2016 by rfvv

Math
20% of the children in sport club play tennis 25% of the children who play tennis also play rounder there are 8 children in the club who play both tennis and rounder how many children are there in the sport club together?
Monday, March 14, 2016 by Sebastian

math
How to write a real world problem that compares the ratios 5to 9 and 12to 15
Sunday, March 13, 2016 by Daniel

Math
From a sample set of 10 colored balls--5 green, 3 red and 2 yellow-- 5 are chosen at random WITH replacement. What is the probability that the result will be: green, red, yellow, red, green? Write your answer as a four place decimal number. p(G,R,Y,R,G)
Sunday, March 13, 2016 by Jazz

Math
In a recent survey of middle school students about pizza toppings, it was found that 25 students like pepperoni pizza, 31 like banana peppers pizza, and 5 liked both pepperoni and banana peppers on their pizza. If 66 students were surveyed, how many students do not like banana...
Sunday, March 13, 2016 by no name

Math
A team of street pavers was assigned the task of paving two parking lots one twice the size of the other. They worked for the first half of the day on the larger parking lot. Then the team split into two groups of equal number. The first group continued working on the larger ...
Sunday, March 13, 2016 by Seerat

math
if an invoice is dated april 25 and has credit terms of 3/15 ,n/45 , what is the last date on which the net amount of the invoice can be paid without incurring an penalty
Sunday, March 13, 2016 by tiffany

Math
At the​ airport, Person A and Person B are walking at the same speed to catch their​ flight, but Person B decides to step onto the moving​ sidewalk, while Person A continues to walk on the stationary sidewalk. If the sidewalk moves at 1 meter per​ ...
Sunday, March 13, 2016 by Anonymous

math lit,geography,life sciences,english,agric sci
Can I qualify if I want to study a nursing course and what are the levels I am expected to get
Sunday, March 13, 2016 by Ntombie

math
The business opened with a debt of $3400. After 4 years, it accumulated profit of $4900. Find the profit as a function of time t, knowing the profit function is linear. P(t)=
Sunday, March 13, 2016 by samantha

math
The angle of elevation from a boat to the top of a cliff is 42 degrees. When the boat moves 15 feet closer to the cliff, the angle of elevation increases to 54 degrees. How tall is the cliff?
Sunday, March 13, 2016 by Lily

MATH
As dry air moves upward, it expands and in so doing cools at a rate of about 10C for 100m rise, up to about 12 km. a) If the ground temperature is 220, write a formula for the temperature at height x km. Answer: b) What range of temperature can be expected if a plane takes ...
Sunday, March 13, 2016 by samantha

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