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March 24, 2017

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Homework Help: Math

Branches of Math

Recent Math Questions

Math
A recipe that makes eight servings calls for 2 cups of milk how many cups of milk will be needed for 36 servings
Tuesday, February 21, 2017 by Anonymous

Math
A water tank is being filled with water. The volume of water in the water tank varies with time. The tank contains 200 liters of water after 2 minutes. Define appropriate variables, and write an equation relating the volume of water and time. What does the constant variation ...
Tuesday, February 21, 2017 by Annabelle

math
In the 1870's, on a farm along the Ohio River, a girl was presented with three gifts: a rooster, a goose, and a duck. The duck had cost 20 cents. The rooster and the goose together cost twice as much as the duck. The goose and the duck together cost three times as much as the ...
Tuesday, February 21, 2017 by kim

math
A rock is thrown upward with a velocity of 25 meters per second from the top of a 50 meter high cliff, and it misses the cliff on the way back down. When will the rock be 7 meters from the water, below?
Tuesday, February 21, 2017 by kyran

Math
A peice of ribbon 63cm long to be cut into two peices in ratio 2:5.find the length of each peice ?
Tuesday, February 21, 2017 by shashi

Math
How many 2 cm cubes can i cut at six 9 cm cubes?
Tuesday, February 21, 2017 by Peachie

math
A woman deposited Tsh 480000 in CRBD which charges an interest of 15% per annum.How much did she get after six months?# anyone to help me plz#
Tuesday, February 21, 2017 by kelvin

Math
2 3/5+1 7/10)-4/5?
Tuesday, February 21, 2017 by Sameena

math
The Toro Ski club is planning a ski trip for the upcoming long weekend. They have 40 skiers signed up to go, and the ski resort is charging $120 per person. The resort manager offers to lower the rate per person by $2 for each additional skier up to a maximum number m. (So if ...
Tuesday, February 21, 2017 by Sam

math
If a hen and a half can lay an egg and a half in a day and a half, then how much time is needed for three hens to lay three eggs?
Tuesday, February 21, 2017 by Sam

Math
A wire is stretched from the top of a two feet tall anchor to the top of a 45 foot tall antena. If the wire is straight and has a slope of 3/5, then what is the length of the wire in feet?
Monday, February 20, 2017 by Anonymous

Math 115
While solar energy powered home systems are quite expensive to install, adding some passive energy features to conventional construction can make a substantial reduction in heating and cooling costs. Passive solar requires no machinery and uses the building itself to collect, ...
Monday, February 20, 2017 by Stacy

math
From the top of the control tower 250 m tall, an airplane is sighted on the ground below. If the airplane is 170 m from the base of the tower, find the angle of depression of the airplane from the top of the control tower.
Monday, February 20, 2017 by Daniela

math
A pentagon has a perimeter of 60 inches, a side measures 12 inches. what is the sum of the measures of the interior angles.
Monday, February 20, 2017 by a parent

Math
According to legend, manhattan islansd was purchased in 1626 for 24 dollars. If the 24 dollars have been invested instead at a rate of 6% interest per year, what would its value be in 2011?
Monday, February 20, 2017 by Chantal

math
an equilateral triangle has three equal sides , which equation could be used to find the measure,M,of one angle A.180+3=M ---- B.3 x 180 C. 180-3=180 D. 180 divided by 3=M if you know all the answer GREAT!!!
Monday, February 20, 2017 by harlee

Math
While solar energy powered home systems are quite expensive to install, adding some passive energy features to conventional construction can make a substantial reduction in heating and cooling costs. Passive solar requires no machinery and uses the building itself to collect, ...
Monday, February 20, 2017 by Karola

Math
Peanuts, walnuts, and cashews are mixed by volume in the ratio 5:3:2, to make a party snack. The number of cups of walnuts needed to make 12 cups of party mix are between: a) 1 and 2 b) 2 and 3 c) 3 and 4 d) 4 and 5 Math - Ms. Sue, Monday, February 20, 2017 at 5:23pm What is ...
Monday, February 20, 2017 by Terrence

math
20 men dig a trench in 12 days,how many men would be needed to do it in 10 days
Monday, February 20, 2017 by Anonymous

math
Write the inequality that represents the solution set for −15/9 y <11/13 .
Monday, February 20, 2017 by z

Quantitative Reasoning (MATH)
If the national economy shrank at an annual rate of 11​% per year for three consecutive​ years, then the economy shrank by 33​% over the three​-year period.
Monday, February 20, 2017 by theresa

math
So far this year Nick has scored a 75, 81, 88 and 92 on four of his math tests. Each test is worth a maximum of 100 points. To earn a B this year, Nick needs a test average of 80 or better. Write the inequality that represents this scenario. Let t equal Nick's grade on the ...
Monday, February 20, 2017 by z

math
1.Nancy is 3 times as old as Cathy. In seven years, she will be ten years older than Cathy. What are their present age?
Monday, February 20, 2017 by leslie

math
There are 3 red balls and 7 blue balls in Bowl A, and 8 red balls and 2 blue balls in Bowl B. Mandy rolls a die and if a prime number is up, Bowl A is selected; otherwise Bowl B is selected. Then Katie draws a ball randomly from the selected bowl. Find the probability of Bowl ...
Monday, February 20, 2017 by Andrew

Math
Monica wants to know what she needs to get on the exam to get a certain grade in her English class. The term Mark is worth 70% of the course and exam is worth 30%. The following is the formula used to calculate her overall Mark. Course Mark = term Mark + exam mark C=T/70 +E/...
Monday, February 20, 2017 by Emma

Math
Kenny will invest $16,000 in an account with an annual interest rate of 5% and the interest is compounded quarterly. How much money will be in the account in 7 years? How will I set this up?
Monday, February 20, 2017 by Hannah

Math
I am more than 25 and less than 28 I am an even number
Monday, February 20, 2017 by Itzi

Math
The fruit plants in my garden do not bear fruit during their first summer. The fruits are picked for the next two years and then the plants become too woody and need to be pulled up. Occasionally some of the die over winter. The last five years I had fruit on the following ...
Monday, February 20, 2017 by Alice

math (precalc)
Find a polynomial with integer coefficients that satisfies the given conditions. R has degree 4 and zeros 3 − 4i and 5, with 5 a zero of multiplicity 2.
Monday, February 20, 2017 by Kyle

math 1
4x+y=8 2x-3y=1
Monday, February 20, 2017 by Rocky

math 1
4x+y=2 -2x-3y=1
Monday, February 20, 2017 by Rocky

Math
Peanuts, walnuts, and cashews are mixed by volume in the ratio 5:3:2, to make a party snack. The number of cups of walnuts needed to make 12 cups of party mix are between: a) 1 and 2 b) 2 and 3 c) 3 and 4 d) 4 and 5
Monday, February 20, 2017 by Terrence

Math
If a circular railroad crossing sign has a diameter of 30in what should its areas be?
Monday, February 20, 2017 by A girl

math 1
c-3d=27 4d+10c=120
Monday, February 20, 2017 by Rocky

math 1
system of linear equations of substitution. a=2/b-3 a=2b-8
Monday, February 20, 2017 by Rocky

Math
The fruit plants in my garden do not bear fruit during their first summer. The fruits are picked for the next two years and then the plants become too woody and need to be pulled up. Occasionally some of the die over winter. The last five years I had fruit on the following ...
Monday, February 20, 2017 by Alice

Math Algebra
Solve algebraically using only variable: The length of a rectangle is two less than three times its width. If the area of the rectangle is 65, find the length and the width. (The area of a rectangle is equal to its length times its width.
Monday, February 20, 2017 by Tony

6th grd. MATH QUIZ HELP!!!!
Questions- 1) Solve the equation 3x=-3=-18 a) x=-7 b) x=-5 c) x=-3 d) x=5 THERE ARE MORE QUESTIONS!
Monday, February 20, 2017 by Ms. Walker

Math
If goods to be shipped weigh 520 pounds 6ounces and the crates and packaging weigh 21pounds 9ounces what is the gross weight of the shipment?
Monday, February 20, 2017 by Ernestine

Algebra/Math
How much dry substance is there if we have 150g of 8% of a solution of this substance.
Monday, February 20, 2017 by GeniusTigeress

Math
In a book closet, mathematics books are kept in stacks of 4. If each student carries no more than one stack, what is the least number of students needed to carry books for a class of 23? Is the answer five or six students?
Monday, February 20, 2017 by Matt

Math
In a two digit number the tens digit is two less than the units digit.If the digits are reversed, the sum of the reversed and the original number of 154.Find the original number.
Monday, February 20, 2017 by GeniusTigeress

Math
my divisor is 5 I'm greater than 4 X 5 I'm less than 5 x 5 my remainder is 1 what dividend am I
Monday, February 20, 2017 by AJ

Math
A number is such that thrice its 14 less than 5 times the number.find the number
Monday, February 20, 2017 by Dinar basic science

math
Sinx square algerbra of differentiable function
Monday, February 20, 2017 by jitendra

math
The ratio of the units digit to the tens digit is one-half. The tens digit is two more than the units digit.Find the number.
Monday, February 20, 2017 by kitty

Math
Problem: Tad draws three cards at random, without replacement, from a deck of ten cards numbered 1 through 10. What is the probability that no two of the cards drawn have numbers that differ by 1? Express your answer as a common fraction. Scott's solution: =============== ...
Monday, February 20, 2017 by Nikhil

Math
Ms. Allison drew a box-and-whisker plot to represent her students scores on a midterm test. Lowest value=44 Lower quartile=47 Median=72 Upper quartile=81 Highest value=96 Jason received 47 on the test. How does Jason's score compare to his classmates? A. About 25% scored ...
Monday, February 20, 2017 by Help!

math
A 12-meter high post casts a 19-meter shadow. Find the angle of elevation to the sun. -what is/are given? -formula used -solution
Monday, February 20, 2017 by Daniela

math
A diagonal of a parallelogram forms 25° and 35° angles with the sides of a parallelogram. Find the angles of the parallelogram.
Monday, February 20, 2017 by annie

math
An observer in a lighthouse 48.8 m above sea level saw two vessels moving directly towards the lighthouse. He observed that the angles of depression are 42 and 35 degrees. Find the distance between the two vessels, assuming that they are coming from the same side of the tower.
Monday, February 20, 2017 by Daniela

math
A hiker is 400 meters away from the base of the radio tower. The angle of elevation to the top of the tower is 46 degrees . How high is the tower?
Monday, February 20, 2017 by Daniela

math
the angle of elevation of the top of the building from a point 30 meters away from the building is 65 degrees
Monday, February 20, 2017 by Daniela

Math
A large hose will fill a pool in 40 minutes while it takes a smaller hose 60 minutes to fill the same pool. The same pool requires 80 minutes to drain if the drain is open. Suppose one day both hoses are turned on, but by accident the drain was left open. How long would it ...
Monday, February 20, 2017 by Charlene

Math
the age of the father is square of the age of his daughter . five years hence the fathers is three times as old as daughter .write the quadratic equation
Monday, February 20, 2017 by Ramesh

Math
How many square meter of wallpaper is required for a wall that has perimeter of 25 feet and 8 feet height
Monday, February 20, 2017 by Azeezat

Math
Find area of rectangle whose length is 3 cm and 1 diagnal is 5 cm
Monday, February 20, 2017 by Pooja

math
1]find two possible values for the geometric mean of –1/4 and –4 [2]form a G.P that has two geometric means between (a)1029 and –3 (b) 2/k and 1/4k
Monday, February 20, 2017 by kel

math
Mrs.Santiago is 36 yrs. old and her son is 4 years old. When will the mother be thrice as old as her son?
Monday, February 20, 2017 by charlene

Math
While solar energy powered home systems are quite expensive to install, adding some passive energy features to conventional construction can make a substantial reduction in heating and cooling costs. Passive solar requires no machinery and uses the building itself to collect, ...
Sunday, February 19, 2017 by Karola

Math 104
There are 5 cyclists in a race. There will be a first-place and a second-place prize awarded. In how many different ways can the 2 prizes be awarded?
Sunday, February 19, 2017 by Anonymous

math
Give an example of an open interval, and an example of a set that is not an open interval. Use proper set notation and explain.
Sunday, February 19, 2017 by maggie

math
Problem 1:A semi-circular garden has a radius of 10 meters. What is its area? ( Use pi =3.14) Answer:157m^2 Problem 2:The base of a cylindrical tank has a radius of 4.5 meters. What is its area? ( Use pi=3.14) Answer:65.585m^2 Problem 3:In the middle of a field a huge circle ...
Sunday, February 19, 2017 by edd

Math
At the movie theatre, child admission is $5.50 and adult admission is $9.50. On Saturday, 148 tickets were sold for a total sales of $1170.00. How many adult tickets were sold that day?
Sunday, February 19, 2017 by Chris Harris

Math
Mr. shows bought movie tickets for the members of his family and spent $12.50 on popcorn. He spent a total of $46.25 for his family to go to the movies. How many tickets did he buy. (Write an equation containing a variable and solve) this is all the information I have. Is this...
Sunday, February 19, 2017 by Jamye

math
write a sequence of the transformation that maps quadrilateral ABCD onto quadrilateral A"B"C"D" in picture below.
Sunday, February 19, 2017 by cmac

Math
Neil has a total of twelve $5 and $10 bills in his wallet. He has 5 times as many $10 bills as $5 dollar bills. How many of each does he have?
Sunday, February 19, 2017 by Juan Constantino

Math
Raoul got to spin this spinner ,to see what chorehe had to do Saturday morning. He could wash the dishes, wash the car,wash the dog,or change the paper in the rabbit cage.what is the chance he will have to wash something Saturday morning. As a fraction and as a percent.
Sunday, February 19, 2017 by T

MATH
What is the percentage of sugar in the syrup made of 10 kg of water and 15 kg of sugar?
Sunday, February 19, 2017 by Anonymous

Math
Using the Widmark equation, Write the equation you would solve to figure out how long it will take before his BAC is 0.08. Is it okay to round any constants to 3 decimal places.
Sunday, February 19, 2017 by Vaughn

Math
The figure at right shows a long rectangular strip of paper, one corner of which has been folded over to meet the opposite edge, thereby creating a 30-degree angle. Given that the width of the strip is 12 inches, find the length of the crease.
Sunday, February 19, 2017 by Jamie

Math
A segment that is a units long makes a C-degree angle with a segment that is b units long. In terms of a, b, and C, find the third side of the triangle defined by this SAS description.
Sunday, February 19, 2017 by Jane

Math
A circular sector has an 6.26-inch radius and a 10.84-inch arc length. There is another sector that has the same area and the same perimeter. What are its measurements?
Sunday, February 19, 2017 by Jane

math
Calculate the volume of a steel bar which is 8cm long and 3.5cm in diameter
Sunday, February 19, 2017 by Margret

math
B owes $3000 due 2 years from today without interest and $2000 with interest at 4% compounded quarterly due in 6 years from today.if money worth is 5% compounded semiannually what single payment made 4 years from today will discharge his debts?
Sunday, February 19, 2017 by AAA

Math
Peanuts, walnuts, and cashews are mixed by volume in the ratio 5:3:2, to make a party snack. The number of cups of walnuts needed to make 12 cups of party mix are between: a) 1 and 2 b) 2 and 3 c) 3 and 4 d) 4 and 5
Sunday, February 19, 2017 by Terrence

Math
Ryan needs 8 5/16 feet of molding to finish a closet. He has 6 feet of molding. How many more feet of molding does he need?
Sunday, February 19, 2017 by Kelly

Math
Which is a reasonable estimate? 2/3 + 4/5 a. <1 b. About 1 c. About 1 1/2 d. Between 2 and 3
Sunday, February 19, 2017 by Kelly

Math
In a book closet, mathematics books are kept in stacks of 4. If each student carries no more than one stack, what is the least number of students needed to carry books for a class of 23? Your multiple choices are a. 5 students b. 6 students c. 27 students d. 19 students
Sunday, February 19, 2017 by Kelly

Math
In a book closet, mathematics books are kept in stacks of 4. If each student carries no more than one stack, what is the least number of students needed to carry books for a class of 23?
Sunday, February 19, 2017 by Kelly

math
Write the inequality that represents the solution set for −15/9y < 11/13 . Please help thanks
Sunday, February 19, 2017 by z

math
Justin is 3 years older then Sam, and Justin’s age in 2 years will be twice what Sam’s age was 3 years ago. Find their present ages. i got 14 and 17 but the answer is wrong
Sunday, February 19, 2017 by allie

math
Richard is 6 years older than Lisa, and in 5 years the sum of their ages will be twice as much as the sum of their ages 4 years ago. Find their present ages.
Sunday, February 19, 2017 by allie

Math
Mary is riding a merry-go-round, whose radius is 25 feet and which is turning 36 degrees per second. Seeing a friend in the crowd, she steps off the the outer edge of the merry-go-round and suddenly finds it necessary to run? At how many miles per hour does she have to run?
Sunday, February 19, 2017 by Mike

math
one half of jeans age two years from now plus one third of her age three years ago is twenty years. how old is she now?
Sunday, February 19, 2017 by kath

Math
Make c the subject c=ne/R±nr
Sunday, February 19, 2017 by Exponent

Math
A swimming pool is 25m long, 10m wide and 2m deep what is the volume
Sunday, February 19, 2017 by Zak

math
A lawn50m.long and40m.broad has a path of uniform width 8m. outside it.Find the area of the path.
Sunday, February 19, 2017 by Anshu

Math
If the volume of a given cube is 512cm. What is the length
Sunday, February 19, 2017 by Lisi

Math
Mr. shows bought movie tickets for the members of his family and spent $12.50 on popcorn. He spent a total of $46.25 for his family to go to the movies. How many tickets did he buy? (Write an equation containing a variable and solve)
Sunday, February 19, 2017 by Jamye

Math
There are 6 boys entered in the 100-meter dash. How many different ways could the come in 1st, 2nd, and 3rd? They are John, Jacob, Harry, Milton, Peter and Mike. How do I solved this problem.
Saturday, February 18, 2017 by Jamye

math
Calculate the curvature when r(t)=⟨2t−1,1,2t⟩
Saturday, February 18, 2017 by Moren

Math
what is the sum of the interior angles of a quadrilateral?
Saturday, February 18, 2017 by gluestick

Math
use the figure to answer questions 1-3. 1. name a pair of vertical angles ∠2 and ∠5 ∠2 and ∠6 ∠3 and ∠4 ∠5 and ∠6
Saturday, February 18, 2017 by gluestick

Math
65x .6= 39 39x 1.05= 40.95 The answer is $40.95 Is this right ?
Saturday, February 18, 2017 by Help I need somebody not just anybody

Math
How much yard of gunite mix is needed for swimming pool 11ft by 23ft 6 in wall and 8 in floor
Saturday, February 18, 2017 by Stennis

Math
Select the answer that correctly orders the set of numbers from greatest to least. 15%, 1/8, 0.2, 0.09 A: 0.2, 15%, 1/8, 0.09 B:15%, 1/8, 0.2, 0.09 C:(0.2, 1/8, 15%, 0.09) D:0.09, 1/8, 15%, 0.2
Saturday, February 18, 2017 by Help I need somebody not just anybody

MATH (POST 2) Need Help Please
Using the average daily balance method and the information​ given, find the credit card finance charge for the month of August​ (31 days). The annual interest rate is​ 18%. July 31st (Balance) $590 August 5 (Charge) $90 August 9 (Payment)$560 August 14 (Charge)$193 ...
Saturday, February 18, 2017 by Derek

Math
The cost of renting a car is given by the formula C= 50n +0.15d, where C is the cost in dollars, n is the number of days rental, and d is the distance driven in miles. How much would it cost to rent a car for a 15- day road trip, and drive 475 miles each day? My Answer: 8 ...
Saturday, February 18, 2017 by Anonymous

math
if x is an even number. find the next two consecutive even numbers in term of x
Saturday, February 18, 2017 by dona

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