Saturday
January 21, 2017

Homework Help: Math

Branches of Math

Recent Math Questions

math
Wholesale cost $1.55 and sold it at $2 and 20 what is the gross profit percentage x 100
Saturday, January 21, 2017 by yolanda

MATH
HOW MANY LITERS OF WATER IN TANK SIZE 7FIT WIDE,6 FIT HIGHT AND 8 FIT LEANTH
Saturday, January 21, 2017 by AASHA

MATH
Think of a number square it,add 2 times to the original number.the result is 80.find the number.
Saturday, January 21, 2017 by Adenike

math
ABC is a right angled triangle . AD is bisector of angle BAC. Angle DAC = 20 degree . X = CD.
Saturday, January 21, 2017 by Shalu

math/physics help plz
Two cars moves around a circle of circumference 20 m with speed of 5m/s and 15m/s, if the positions of these cars are observed every integer seconds, after how many seconds will the cars occupy the same position. Help me show step
Saturday, January 21, 2017 by putman/raj

business math
How could he reduce the risk associated with this loan?
Friday, January 20, 2017 by How could he reduce the risk associated with this loan?

math
What is the product of all valid solutions of the fractional equation x/(45-5x)=1/[5(x-1)] I am guessing the answer is -9 because the two solutions would be -3 and 3 but Im not sure.
Friday, January 20, 2017 by anonymous

Math
What is the value of x if 36x=4 ?
Friday, January 20, 2017 by Sam

Math
36x=4
Friday, January 20, 2017 by Sam

Math
The quadratic function f is negative only on the open interval (−2, 1/4 ) and its graph passes through the point (−1, −5). Find a,b, and c.
Friday, January 20, 2017 by Juan Fernandez

Math (Algebra 2)
Determine the required number of branches in the tree diagram described. A tree diagram showing how many ways a nickel, a regular die, and a quarter could be flipped. I did a tree diagram with the die having six branches, the nickel having two, and the dime having two. So, I ...
Friday, January 20, 2017 by Hannah

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.
Friday, January 20, 2017 by Amanda

Math
Determine the required number of branches in the tree diagram described. A tree diagram showing how many ways a nickel, a regular die, and a quarter could be flipped. I did a tree diagram with the die having six branches, the nickel having two, and the dime having two. So, I ...
Friday, January 20, 2017 by Hannah

Math
A sandwich shop gives a free sandwich after 8 sandwiches are bought in the formula t=s/8+s,t represents the total number of sandwiches received if s sandwiches where bought. Last year julie bought 48 sandwiches. How many sandwiches did she receive last year?
Friday, January 20, 2017 by Jenny

math
A rectangular piece of land has a flower garden in the middle surrounded by a walkway 1m wide all around. The flower garden is 12m by 6m. calculate the area of the piece of land that does not have flowers.
Friday, January 20, 2017 by indira

Math (Please help!!)
Given A(-4,-2), B(44), and C(18,-8, answer the following questions Write the equations of the line containing the altitude the passes through B in standard form. Write the equation of the line containing the median that passes through point C in slope-intercept form Write the ...
Friday, January 20, 2017 by PoPo

Math
Difference b/w sine, cosine, and tangent/ how to remember them all?
Friday, January 20, 2017 by clair

math
A rectangular savannah is 30m long by 15m wide. The Ministry of Education wants to fence that savannah using posts and wire. If the posts, costing $18.00 each, are placed 5m apart andt the wire cost $35.00 per metre. Calculate the cost of the posts and wire for fencing that ...
Friday, January 20, 2017 by indira

Math
C) You correctly answered 15 out of 20 problems on your test. What is your percent score? D) At the Liberty Tree Mall 1,300 people took the Coke/Pepsi challenge.55% of those challenged preferred Coke. How many people selected Coke?
Friday, January 20, 2017 by Alwaysonflek

Math
This summer the number of tourists in Salem increased 4.5% from last year's total of 426,000. How many more tourists came to Salem this summer?
Friday, January 20, 2017 by Alwaysonflek

math
I work from 8am to 5pm each day from Monday to saturday. If I get $22 an hour, calculate my yearly salary.
Friday, January 20, 2017 by indira

math
A rectangular savannah is 30m long by 15m wide. The Ministry of Education wants to fence that savannah using posts and wire. If the posts, costing $18.00 each, are placed 5m apart andt the wire cost $35.00 per metre. Calculate the cost of the posts and wire for fencing that ...
Friday, January 20, 2017 by indira

Math
2/3 and 5/6
Friday, January 20, 2017 by Meghan

math
Find the slope intercept form of the line passing through the point (-5,-7) and parallel to the line 4x+2y=-2
Friday, January 20, 2017 by Kandice

math
Carlos purchased 6 dog leashes and 6 cat brushes for $45.00 for Clarita to use while pampering the pets. Later in the summer he purchased 3 additional dog leashes and 2 cat brushes for $19.00. Based on this information, figure out the price of each item. Explain your reasoning.
Friday, January 20, 2017 by anomynous

Math
A ball is kicked into the air and follows a path described by h(t)=-4.9t^2 +8.4t+0.6, where t is the time in seconds and h is the height of the balls in metres. Determine the maximum height of the ball, to the nearest tenth of a metre.
Friday, January 20, 2017 by Trisha

math
Matty jogs 1km in 5 minutes. Identify the correct conversion factor setup required to compute Matty's speed in m/s.
Friday, January 20, 2017 by breyonna

Math 114
what is the solution of the system of equations of x-y=-3 and x+y=5? x-y=-3 x+y=5 y=x+3 0+y=5 x=3 0=0+y=5+0 y=x+3 y=5 y=3+3 y=6
Friday, January 20, 2017 by Rosa

math
can anyone remind me on how to get the domain and range from points like the one below: {(-5,7), (0,0), (2,-8), (-7,7)} thanks.
Friday, January 20, 2017 by :)

math
Carlos purchased 6 dog leashes and 6 cat brushes for $45.00 for Clarita to use while pampering the pets. Later in the summer he purchased 3 additional dog leashes and 2 cat brushes for $19.00. Based on this information, figure out the price of each item. Explain your reasoning.
Friday, January 20, 2017 by cameron

med math
an iv infusion of gamma globulin 2g/kg over 12 hours has been ordered for a 22 lb child. which dose is correct? attempt 22lb/ 2.2kg= 10kg 2g x 10kg= 20g/day 20g/ 2 doses (24hr/12hr)= 10g
Friday, January 20, 2017 by saya

med math
the pharmacy sends you a vial of 1.5 grams of ampicllin. The instructions state to mix the powders with 9.8ml of sterile water to make a solution of 1.5grams/ 10ml. How much solution would you draw to administer 750mg of ampicillin? Attempt: (750mg X 10mL)/ 1500mg= 5mL Am I ...
Friday, January 20, 2017 by saya

math
how do you graph y = 3/5x + 6
Friday, January 20, 2017 by maybelle

MATH
a pizza pie with 15 slices was shared too p student so that each student share in 3 slice how many student shared the pie (word problem involving fraction)
Friday, January 20, 2017 by Ufure

math
Anokye has some shirts, three of them are white and one of them are blue and half of the remaining are 3/10 of all his shirts?
Friday, January 20, 2017 by osei blankson

Math
Ana's age is 8 years less than 4 times her sister age. How old is Ana if her sister is 5 years old. 4n-8 4×5-8 20-8 12
Friday, January 20, 2017 by Bertia

math
a guy wire is 15m long. it supports a vertical television tower. the wire is fastened to the ground 9.6m out from the base of the tower a) calculate the angle formed by the guy wire and the ground b) calculate how far up the tower the guy wire attacks
Friday, January 20, 2017 by lex

MATH
Let A = (0,0,0), B = (9,8,12), and C = (6,2,3). Find coordinates for the point on line AB that is closest to C.
Thursday, January 19, 2017 by HELP!!!!!!!!!

Math
How do I prove that secθ - tanθsinθ = cosθ So far I have LS 1/cosθ - sinθ/cosθ (sinθ) =1/cosθ -sin^2/cosθ
Thursday, January 19, 2017 by Trisha

Math
Parentheses in number sentence (30-15)*2=
Thursday, January 19, 2017 by Anonymous

math
What is the equation for finding the projection of vector u onto vector v without using an angle theta?
Thursday, January 19, 2017 by anonymous

math
Find the angle formed when [4,4,2] and [4,3,12] are placed tail-to-tail; then find the components of the vector that results when [4, 3, 12] is projected onto [4, 4, 2].
Thursday, January 19, 2017 by anonymous

Math
If two circles have the same radius, is having the combined area of the two circles the same as having twice the circumference? This has been bothering me for the past hour and I cant seem to solve it. It would seem likely to be the same.
Thursday, January 19, 2017 by Naleena

Math-Ratios
In a college library, there are 4 times as many nonfiction books as fiction books. A.Find the ratio of the number of nonfiction books to the number of fiction books. B.How many times the number of nonfiction books is the number of fiction books? C.Suppose the fiction books is ...
Thursday, January 19, 2017 by Elizabeth

Math
A bag contains 57 coins, which are only quarters(Q) and dimes (D). The total value of the coins is $9.45. How many times are in the bag?
Thursday, January 19, 2017 by Brielle

Math
Suppose you roll a regular six faced dice 600 times about how many times would you expect to get a four
Thursday, January 19, 2017 by Alfredo

math
y = x+6 y = -2x+3
Thursday, January 19, 2017 by max

Math
How many 4/5-foot planks can be cut from a board which is 12 feet long?
Thursday, January 19, 2017 by Jake

Math
a coin was tossed and a spinner with three equal sections numbered 1 to 3 was spun. what is the experimental probability that the next toss and spin will result in 3 and Tails?
Thursday, January 19, 2017 by Sana

math
At 9:30a.m, Sean started filling a swimming pool. At 11:30a.m, he had filled 1,800gallons. At what time will the pool be full?
Thursday, January 19, 2017 by aliyah

Math
24 miles per gallon to miles per quart
Thursday, January 19, 2017 by Anonymous

math
write a situation that matches the expression 4(5x)+6
Thursday, January 19, 2017 by jazmin

math please help
which fraction is equivilent to 4% A. 1/50 B. 2/25 C. 1/25
Thursday, January 19, 2017 by krystina

math
Fred has 10 feet of wire. He decides to cut it into equal-length pieces. How many pieces will he get if each piece is 4 ft long?
Thursday, January 19, 2017 by Anonymous

Math
Describe the transformation that changes triangle ABC to triangle A'B'C A:Rotation B:Translation C:Reflection D: None of the above I am almost positive it is a translation
Thursday, January 19, 2017 by Reeces

Math
Write an equation in point-slope form to represent the situation. Assume a linear relationship between the given quantities. In 1998, the deer population of a certain area was 1200. In 2006, the population was 2000.
Thursday, January 19, 2017 by Kevin

Math
Find the slope of the line through each pair of points. Simplify as much as possible (-2g,6h), ( 2i,7g)
Thursday, January 19, 2017 by Kevin

math
If a jet flies at a speed of 600 km/h, how many meters does it fly in 10 seconds? There are 1000 meters in 1 km
Thursday, January 19, 2017 by jake

Math
using each digit 0-9 exactly once to complete addition problem where answer is four digits.
Thursday, January 19, 2017 by Lucas

Math
math A particle A is projected vertically upwards from a point O on horizontal ground with speed 20ms. At the same instant a particle B is released from rest at point P which is 30 m above the ground. The point P Is not directly above O ignore air resistance. Find thr time ...
Thursday, January 19, 2017 by Mech

4th grade math
Ethan has 24 marbles. He gives 2/8 of his collection to his sister Ruby. How many marbles does Ruby get?
Thursday, January 19, 2017 by Cedarius

Math
A spinner is divided into 8 equal sections. Each section is numbered 1-8. Find each probability for one spin.
Thursday, January 19, 2017 by Jonathan

math
if 13 times a number x is added to twice its square.the result is 84.find x
Thursday, January 19, 2017 by sandra

STATS MATH 300
In a recent study, 25 males used a new weight-loss supplement, and all but 6 of them experienced weight loss after two weeks. In the same study, 50 females used the same supplement, and all but 8 of them experienced weight loss after two weeks. ALEKS ANSWER
Thursday, January 19, 2017 by Anonymous

Math
if tina deposits $500 into a bank account that earns 4.5% interest compounded continuously, how long will it take for her account to have $2500 in it
Thursday, January 19, 2017 by Joe

Math, algebra
A farmer buys a tractor for $50,000. If the tractor depreciates 10% per year, find the value of the tractor in 7 years. Round to the nearest penny.
Thursday, January 19, 2017 by Anonymous

math
The roof of a tunnel is in the shape of a parabolic arch whose highest point is 18m above the road. The road surface is 16m wide. Lights are placed in the tunnel 12 meters high. How far from center of the tunnel are the lights placed?
Thursday, January 19, 2017 by stephen

Math
3.Look at the following points (4,0),(3-1),(6,3)(2,-4) Which are solutions to y=x-4?chose all correct answers A.(6,3) B.(4,0)*** C.(3,-1) D.(2,-4)***
Thursday, January 19, 2017 by EmberShy

Math
3. The table shows amounts earned for washing dogs. How much can be earned by washing 8 dogs? Dogs x| Dogs y 1 | 18 2 | 36 3 | 54 4 | 72 A. $144*** B. $324 C. $64 D. $126
Thursday, January 19, 2017 by EmberShy

math
If 400 bricks measuring 81" by 31" are required to build a wall 42 ft. high, how long is the wall?
Thursday, January 19, 2017 by Anonymous

Math
a store buys a sweater for $25.00 and sells it for $35.00. find the percent of markup.can somebody please explain how to find the answer?I don't understand how to do this .
Thursday, January 19, 2017 by Amileea

Math
A Boy Of Height 1.5m Is Standing By 4.2m Away From The Foot Of A Post Of Height 6m.Find The Length Of His Shadow
Thursday, January 19, 2017 by Disha

math
ist and last term 1and11 respectively and their sum is 36. find number of terms
Thursday, January 19, 2017 by simrat

math - word problem
Ritika bought a few green apples and a few red apples. There were 35more green apples than red apples. If the ratio of green apples to red apples was 8:3 ,how many apples of each variety did she bring ?
Thursday, January 19, 2017 by Anonymous

math
Find the G.P in which 4th term is 3 and the 7th term is 8/9.
Thursday, January 19, 2017 by vandana

Math
On his 12th birthday Enoch's grandparent's deposited $25 into a savings account for him. Each month after that up to and including his 20th birthday, they deposit $10 more than the previous month. How much money will Enoch have on his 20th birthday, excluding interest...
Thursday, January 19, 2017 by Peter

Math
1. The price of a calculater if $12.50. The sales tax is 7.5%. How much will you pay for the calculator? A. $13.40 ** B. $13.44 C. $13.57 D. $13.61 2. A bike was originally $240.00. The price was markes up 15%. What is the new price of the bike? A. $250.00 B. $264.00 C. $268....
Thursday, January 19, 2017 by Magic m8

math
Problem #1 Find the arc length corresponding to the given angle (in degrees) on a circle of radius 3.3. An angle of 39 degrees has an arc length of_______ units. Problem #2 The diameter of the wheels on your car (including the tires) is 25 inches. You are going to drive 295 ...
Thursday, January 19, 2017 by Anonymous

Math
An isoceles triangle has a vertical angle of 118 degree,and it base is 10 long,calculate it height
Thursday, January 19, 2017 by Biku

math
find the ratio of the length of the blue rectangle, to the length of the green rectangle, repeat this for width, perimeter and area blue rectangle is 2 ft by 3 ft green rectangle is 4 ft by 6 ft
Wednesday, January 18, 2017 by Anonymous

math
find the ratio of the length of the blue rectangle, to the length of the green rectangle, repeat this for width, perimeter and area
Wednesday, January 18, 2017 by Anonymous

Math
which would you measure using feet 1.length of your finger 2.length of your school 3.(length of your room) 4.distance across town
Wednesday, January 18, 2017 by Help I need somebody not just anybody

math
The angle of elevation of the sun is 78 degrees. How long is the shadow of a 30m tree?
Wednesday, January 18, 2017 by Anonymous

math
the angle of elevation of the sun is 78 degrees. How long is the shadow of a 30m tree?
Wednesday, January 18, 2017 by shil

math
A 10 meter ladder is placed against a building at an angle of 75 degree with the ground. how high up the building does the ladder reach?
Wednesday, January 18, 2017 by dav

Math
Rectangle A is 8 cm long and 4 cm wide. Rectangle B is 4 cm long and 2 cm wide. What is the ratio of the area of rectangle A to rectangle B? 8x4=32 4x2=8 32:8 Is my answer correct?
Wednesday, January 18, 2017 by Rene'

math
3x^3-12x Factor Completely I forgot how to do this problem please explain it to me so i can take notes.
Wednesday, January 18, 2017 by Edgard

Math
62 students in fourth grade 12 more boys than girls how many girls in 4th graded
Wednesday, January 18, 2017 by Gin

math
maya and winston share some cookies in the ratio 2:3. maya had 3 fewer cookies than winston how many cookies they share altogether?
Wednesday, January 18, 2017 by sophia

Math
Ms.smith has $660 to spend on parking and admission to the zoo.The parking will cost $10,and admission tickets will cost $10 per person, including tax.Write and solve an equation that can be used to determine the number of people that she can bring to the zoo,including herself.
Wednesday, January 18, 2017 by Obiageri

6th Grade Math
60% of the product of one-twelfth y and two-thirds z
Wednesday, January 18, 2017 by Anonymous

math
The discounted price of a book is 85% of the original price. This is a savings of $3. A sales tax of 8% will be added to the discounted price. How much sales tax will be added?
Wednesday, January 18, 2017 by jay

math
ned folded a set of origami figures. Of this set, 5/8 are cranes and 1/6 of the remainder are frogs. The rest are grasshoppers. What fraction of the origami figures are grasshoppers?
Wednesday, January 18, 2017 by teresa

math
A pencil costs $3.50 and a pen costs $6.70. Jessica bought m pens. She also bought 4 fewer pencils than pens. Write an algebraic expression for the total amount she spent and solve the expression.
Wednesday, January 18, 2017 by

6th grade Math
two more than seven times Lynn's age
Wednesday, January 18, 2017 by Kayla

Math
The segment joining p1(-4,-7)and p2(6,9)is divided in to four equal parts find the points of division
Wednesday, January 18, 2017 by Sharon

MATH HELP
I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took R=2 N=8 Combination ...
Wednesday, January 18, 2017 by Johnathan (John)

math
If the half life is 24360 years and after 1000 years I have 2.1 gm left, what was the initial qty. Doing it in a common sense way keeps giving me 51gm and that doesn't make sense. formula is y=ae -bt
Wednesday, January 18, 2017 by Amy

Math
Kelly spends 5 hours making pizzas. Each pizza takes her 1/4 hour to make. When she is finished, all of the pizzas are shared equally among 6 families. How many pizzas does each family receive?
Wednesday, January 18, 2017 by Jaeda

math
There are 24 member on the team. The team is 7/12 girls and 5/12 boys. How many more girls are on the team than boys?
Wednesday, January 18, 2017 by Fallon

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