Thursday
August 25, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
If I spend two thirds of my money and have 10 dollars change how much did I have to start with
Monday, August 22, 2016 by Trecie

math
Mike jogs for half an hour at y mi/h. He jogs ? mi complete the statement with a variable expression
Monday, August 22, 2016 by Kelley

Math
Tom keeps all of his favorite marbles in a special leather bag. Right now, five red marbles, four blue marbles, and yellow marbles are in the bag. If he randomly chooses one marble to give to a friend what is the probability that it is blue ?
Monday, August 22, 2016 by Patience

Math
Angle 1 and angle 2 are supplementary angles. m∠1 = 4x+3 m∠2 = 3x−5 What is the value of x? a.) x = 178 b.) x=178/7 c.) x=92/7 d.) x = 26
Monday, August 22, 2016 by Jay

Math
What is the best estimate for the product of 289 and 7?
Monday, August 22, 2016 by Hannah

math
Your office manager used 45 paperclips for handouts at his presentation from the 450 paperclips available in the stock room. What percentage of the original number of paperclips did NOT get used?
Monday, August 22, 2016 by fab

Math
Factor of 54 This number is even
Monday, August 22, 2016 by Janiyah

math
secretary can type 12 pages per hour. There are a total of 152 pages to type. How many pages remain to be typed after 9 hours?
Monday, August 22, 2016 by fab

math
how many solution does this problem have -5(z+1)=-2z+10
Monday, August 22, 2016 by Aubrey T.

Math
How many 3/8 foot pieces of wood can you cut from a board that is 1 7/8 feet long?
Monday, August 22, 2016 by Greg

Math
The present age of a woman is 30years older than her daughter. 15years ago she was twice as old as her daughter. How old is her daughter at present. How old would the woman be 12years from now.
Monday, August 22, 2016 by Anonymous

Math
can someone explain this? The following is a frequency data set for test scores in a small class. Construct a cumulative frequency plot displaying data. Then describe the graph in a sentence or two. test scores: 40-49:1 50-59:2 60-69:2 70-79:7 80-89:9 90-99:5
Monday, August 22, 2016 by Irene

Math
to the nearest hundred, what is the greatest whole number that rounds to 2,500? the least whole number?
Monday, August 22, 2016 by Bridget

Algebra
I need some help on this math problem. 3c^2 - 5c - 7.8 = -2.2
Monday, August 22, 2016 by Brian

Math
Solve for x 9.2x + 5.514= 158.234
Monday, August 22, 2016 by Amy

Math
Solve for X: 9.2x + 5.514= 158.234
Monday, August 22, 2016 by Amy

math
From a rectangular sheet of acrylic of dimensions 32 cm by 24 cm 64 circular buttons, each of diameter 3.5 cm , have been cut out. Find the area of the remaining sheet.
Monday, August 22, 2016 by avinash

math
an = √(7√(7+√(7+⋯)) ) < 4 where an has radical signs.
Monday, August 22, 2016 by Iffath

math
I can't solve this at all! I don't know where to start! Please help 3-(4sin^2 x)/cos^2 x = 3- tan^2 x
Monday, August 22, 2016 by Ani

Math
6. George is a 35 Kg 8 yr old who is ordered to receive Ancef 1 Gram IV Q 8hrs. The SDR for Ancef is 50-100mg/Kg/day. Determine the SDR for George? 35 ( 50 ) - 35 ( 100 ) mg / day ; 1750 - 3500 mg/ day 6. Is George’s dose of Ancef within SDR? Pt recvs 3000mg or 3 Gm / day...
Monday, August 22, 2016 by Emma

math
6. George is a 35 Kg 8 yr old who is ordered to receive Ancef 1 Gram IV Q 8hrs. The SDR for Ancef is 50-100mg/Kg/day. Determine the SDR for George? 35 ( 50 ) - 35 ( 100 ) mg / day ; 1750 - 3500 mg/ day 6. Is George’s dose of Ancef within SDR? Pt recvs 3000mg or 3 Gm / day...
Monday, August 22, 2016 by Emma

math
Suppose that the mosquito population of the world is 36000000 and that these mosquitoes can be packed into a cubic box with no space wasted. If the average volume of the mosquito is 6mm^3,how long would the edge of the box have to be?
Monday, August 22, 2016 by Franklin

Math
Is it possible to have a regular polygon each of whose exterior angles is 50
Monday, August 22, 2016 by Deepshikha

Math
An airplane is descending 225 feet per 1000 feet of horizontal distance covered. What is the cosine of the angle that its path of descents makes with the horizontal.
Monday, August 22, 2016 by Jose Daligdig

Math
the tens digit of a two digit number is 5 more than the units digit. when reversed and added to the original number the answer is 99. find the original number
Monday, August 22, 2016 by Gadson

math
an open rectangular box is to be formed by cutting identical squares, each of side 2 in, one from each corner of a rectangular piece of cardboard, and then turning up the ends. If the area of the piece of cardboard is 160 in² and the box is to have volume 144 in³, ...
Monday, August 22, 2016 by jhon alex

math
One-half of a number plus three-fourths of the number is 2 more than four-thirds of the number. find the number .
Sunday, August 21, 2016 by paul

Math
If I have 25 dollars and need to buy 25 fruits. The fruits is watermelon is 4 dollars. Peaches is 50 cents. Apples is 25 cents.what 25 fruits can I buy with 25 dollar's?
Sunday, August 21, 2016 by Anonymous

Math
another student in the class had the following test scores:83,78,91,80,_?_ If this student has the same mean test scores as Susan and Samantha, what must have been their test score on the last test? Susan and Samantha had the mean test score of 84
Sunday, August 21, 2016 by Noky

Math
Data were collected, using a sample survey, on the inhabitants of a British town. Among other things, the respondents were asked their age and their satisfaction with the shopping opportunities in the local high street. These data were used to construct a contingency table, ...
Sunday, August 21, 2016 by mina

Math
I'm having a hard time figuring out this question, " There is only one positive number that satisfies the equation (greek letter phe) - 1 = 1 / (greek letter phe) Based on this definition, find the value of phe." Thanks for the help I really appreciate it.
Sunday, August 21, 2016 by Person

Math 2
I'm having a hard time figuring out this question, " There is only one positive number that satisfies the equation (greek letter phe) - 1 = 1 / (greek letter phe) Based on this definition, find the value of phe." Thanks for the help I really appreciate it.
Sunday, August 21, 2016 by Person

Math , please help
I have a number of patients this month who need to start a course of treatment. The treatment involves an injection now, followed by 4 more injections at monthly intervals, and then 3 more injections 2 months apart. That's a total of 8 injections in 1 year. Each month, I ...
Sunday, August 21, 2016 by Asfand

Math
Ok now this I'm seriously confused about - Rewrite the following expression without absolute value bars -9 / |-9|
Sunday, August 21, 2016 by Lilly

Math
Rewrite the expression without the absolute value bars . | √11 - 7 | My answer was √11 - 7 but apparently it's wrong someone please help!
Sunday, August 21, 2016 by Lilly

Math
If I have 25 dollars and need to buy 25 fruits. The fruits is watermelon is 4 dollars. Peaches is 50 cents. Apples is 25 cents.what 25 fruits can I buy with 25 dollar's?
Sunday, August 21, 2016 by Anonymous

Math
What is 15mn/m step by step
Sunday, August 21, 2016 by Anomynous

Math
What is percent decrease from 400 milligrams to 320 milligrams
Sunday, August 21, 2016 by Ingrid

math
I want to prove that JM is parallel to KL.
Sunday, August 21, 2016 by ayabonga

math
In an isosceles right angled triangle,the square of the hypotenuse is 98cmsquare.find the length of the congruent sides.
Sunday, August 21, 2016 by ali haider

Math
$20000 amount to $ 24200 in two years under compound interest compounded annually
Sunday, August 21, 2016 by Sandhya

math
what is 10 + 10
Sunday, August 21, 2016 by Ms sue

Math
A rectangular room is 4 meters wider than its high and it is 8 meters longer than its wide. the total Ares of the wall is 512 square meters. Find the dimensions of the room.
Sunday, August 21, 2016 by jochabed

Math
On a map with a scale of 1:100m, what is the actual area of a land in hectares if it is 180 sq.m on the map?
Saturday, August 20, 2016 by NOEL

Math
If I have 25 dollars and need to buy 25 fruits. The fruits is watermelon is 4 dollars. Peaches is 50 cents. Apples is 25 cents.what 25 fruits can I buy with 25 dollar's?
Saturday, August 20, 2016 by Anonymous

Math
If apples are 25 cent's, watermelon is 4 dollars, and cantaloupe is 50 cents . what 25 fruits can I buy with 25 dollars ??
Saturday, August 20, 2016 by Sal

Math
100(1+100) Example : 1+2+3+…+100= ----------- 2 Simplify: (x+1) + 2(x+1)+ …+1000(x+1)
Saturday, August 20, 2016 by Don

Math
Context: The function v(t) represents the velocity of a particle moving along a horizontal line at any time, t, greater than or equal to zero. If the velocity is positive, the particle moves to the right. If the velocity is negative, the particle is moving to the left. The ...
Saturday, August 20, 2016 by Stephen

math
The polynomials P (x)=x^3-x^2+4x and Q(x)= x^3+6x+10 leave the same remainder when divided by x-a .find the possible values of a and solve the inequality P (x) is greater than Q (x )
Saturday, August 20, 2016 by tinotenda

math
Jordyn is a 15 Kg 2 ½ yr old with a fever and is ordered to receive Acetaminophen 200 mg to Q 4 hr for a fever >101. The SDR for Acetaminophen is 10-15 mg/Kg/dose Q 4hrs. Calculate the SDR for this child ? SDR = 15(10) – 15 (15) = 150-225 mg / dose. 3. The ...
Saturday, August 20, 2016 by Tina

Math
Rushil and Timmy shared a sum of money in the ratio 3:4. If Timmy received R 6 more than Rushil, find the total sum of money shared between them.
Saturday, August 20, 2016 by Sanjay

math
The H.C.F and L.C.M of two numbers are 8 and 504 respectively.One of the numbers is 72.Determine the other.
Saturday, August 20, 2016 by Rose Dawson

math
A rectangular courtyard is 57m 50 cm long and 22m broad.Determine the least possible number of square stones of the same size required to pave it.
Saturday, August 20, 2016 by rose Dawson

Math
22.Two times a certain number added to 40 gives the same result as three times the same number subtracted from 75. What is the number?   a.7 b.11 c.16 d.25
Saturday, August 20, 2016 by Mc

math
prove that two triangle formed by the diagonal of a parallelogram are congruent
Saturday, August 20, 2016 by kukut

math
two sample of size 8 and 10 are drawn from two normally distributed populations having variances 20 and 36, respectively. find the probability that the variance of the first sample is more than twice the variance of the second sample.
Saturday, August 20, 2016 by rani singh

Math
Given that 1+2+3+...100= 100(1+100)/2. Simplify (x+1)+2(x+1)+...+1000(x+1)
Friday, August 19, 2016 by Collin

Math
decrease the quotient of -15 and -3 by 1
Friday, August 19, 2016 by Kim

Math
Find the quantity of which: 5.4 kg is 45%
Friday, August 19, 2016 by Lala

Math
A group of 24 won $576020 in Lotto. The winning amount was divided even between them and the remaining amount donated to charity. How much was donated?
Friday, August 19, 2016 by Lili

Math
The lengths of two pieces of wire are in the ratio 4:7. If the length of the longer pieces is 3.5 m, what is the length of the shorter piece?
Friday, August 19, 2016 by Debby

Math
If p varies directly as the square root of r and p=3.2 when r=4,find p when r=6.5
Friday, August 19, 2016 by value

Math
In School, if the number of girl students in a school is 1/3 the number of boys. There is 240 more boys student. How many students are boys?
Friday, August 19, 2016 by sasa

Math
morning at 10:00 am was 17.6°c. Temperatures fell by 16.7°c between 10:00 pm -11:00 pm. What was temperatures at 11:00?
Friday, August 19, 2016 by Tommy

Math
At Carl's birthday party there were 11 boys, 9 girls, and 5 adults. What percentage of: a. the children are boys? b. the children are girls? c. all the guests are adults? d. all the guests are girls?
Friday, August 19, 2016 by Darwin

math
Tom is 3 times older than James. There is 32 years difference between their ages. How old is Tom?
Friday, August 19, 2016 by Jody

Math
given f(x)= 5x+4/5x^2+4x and g(x) = 1/x simplify f(x) and find any vertical asymptotes
Friday, August 19, 2016 by Vivek

math
How much water can a swimming pool hold. It is 12 meters long , 8 meters wide and 2.5 meters deep.
Friday, August 19, 2016 by shuta

Math
In the interval 0 'less than or equal to' x 'less than or equal to' pi find the values that satisfy the equation cos 2x - sin x = 0
Friday, August 19, 2016 by Laura

Math
Tony visits the local fair and sees one if therides, the ferris wheel. The ferris wheel has a diameter of 50 feet and is on a platform of 4 feet. if it takes 12 seconds to make one full revolution, what is the equation of the height of a person on the ferris wheel at any time...
Friday, August 19, 2016 by Laura

Math
A farmer has 400 feet of fencing with which to build a rectangular corral having two internal dividers both parallel to two of the sides of the corral. What is the maximum total area of such a corral? I know how to maximize area, but this problem is confusing me because of the...
Friday, August 19, 2016 by Abby

Math
I need help, thanks. Find the base of a rectangle where area=40 and height=5
Friday, August 19, 2016 by Quinn

Math
A rectangle plot of land has determinasion as 50m*30m there are 5flower beds in the plot of the size 5m*3m find the area of the remaining plots also find the cost of ploughing five flower beds at the rate of ₹30 per m2
Friday, August 19, 2016 by Tasmia

Math
(-1.15) x 3.2 = Please explain.
Friday, August 19, 2016 by LOVE

Math
Due to evaporation, the water level in Wesley's aquarium dropped 2 cm a week during the first three weeks in July. What integer represents the change in water level during the three-week period? -2 cm. -3 cm. -6 cm. -9 cm.(MY ANSWER)
Friday, August 19, 2016 by LOVE

Math
At noon, the temperature was 12. It rose 8 during the afternoon, and then dropped 28 by midnight. What was the temperature at midnight? -18 -8 (MY ANSWER) 6 50
Friday, August 19, 2016 by LOVE

math
roger is 5 feet tall and casts a shadow 3.5 feet longer. at the same time,the flagpole outside his school casts a shadow 14 feet long. write and solve a
Friday, August 19, 2016 by curzanae

Math
There is a temple one person takes flowers it becomes twice the number of flowers and you should keep like that in same no in all three temples and at last we should not be any number of flowers with him
Friday, August 19, 2016 by Akshay

math
explain how 5 / 8= 0.625 helps you write the decimal for 4 5/8
Friday, August 19, 2016 by damien

Math
Gene ad jay has collection of marbles. If jay give gene 2 of his marbles they would have an equal number. But if gene give jay 2 marbles, jay have 2 times as many as gene. How many marblea does jay have?
Friday, August 19, 2016 by Nathalie

Math
What function should be used to maximize the volume of an open box that has a surface area of 24 and has a square bottom? Not sure how to do this, a step by step answer would be great. Thanks!!
Friday, August 19, 2016 by Carl

Math
How do u simplify ab to the 3rd power over b to the 2nd power
Friday, August 19, 2016 by Anonymous

math
how much work does it take to pump water from a full upright tank circular cylindrical tank with radius 5m and a height of 10m to a level of 4m above the top of the tank
Friday, August 19, 2016 by Antony

Math
Denise bought some lace to sew around 3 square pillows. Each pillow measured 4 incheson each side. How many feet of lace did denise need for all 3 sides?
Thursday, August 18, 2016 by Peter

math
what is the value of 2 in 36.325.#any one can answer this#
Thursday, August 18, 2016 by kelvin

math
what is the value of 2 in 26.325.#any one can answer this#
Thursday, August 18, 2016 by kelvin

math
Which of the following is not one of the three ways to expree a ratio 3-4 3:4 3 of 4 3to 4
Thursday, August 18, 2016 by Daniel

math
whats 4/12 =1/3 divisor
Thursday, August 18, 2016 by danielle

Math Help
Which shows the product of a number n and 12? 1. n - 12 2. n/12 3. 12n *** 4. n + 12
Thursday, August 18, 2016 by Kimi

Math (Check answers)
1. Which statement is an example of Identity Property of multiplication? A. 8x0=0 B. 8x1=8 C. 8x-1=-8 D. -8x-1=8 2. What is another way to write 3x(4+7)? A. 3x4+7 B. 3x4x7 C. 3x4+4x7 D. (3x4)+(3x7) 3. Which property is represented 5+(8)=8+5? A. Identity B. Associative C. ...
Thursday, August 18, 2016 by Senpai onii-chan

math
a ladder 2.5m long rests on a vertical wall at a height 1.5m above the level ground. calculate the distance of the wall from the foot of the ladder
Thursday, August 18, 2016 by Bolu

math
ased by 10% and in august it declined by 20% in september it increased by 10% what was final declined? a)3.2% b)zero c)20% d)none
Thursday, August 18, 2016 by HS

High Agility Math
Juan has twice as many brothers as sisters. His sister Maria has 5 times as many brothers than sisters. How many children are in the family?
Thursday, August 18, 2016 by Anonymous

Math
Quadrilateral abcd has vertices A(1,1) B(3,5) C(4,7) D(2,6). In what quadrant is abcd located?
Thursday, August 18, 2016 by Tasha

Math
The number of washers 3/32 inch thick that can be cut from a piece of stock 25 1/2 inches long, allowing 1/16 inch for waste for each cut is A) 160 B) 163 C) 260 D) 272 E) 408 Pls help and explain x
Thursday, August 18, 2016 by Jj

math
If sin theta=3/5, then find: 1. sin2 theta 2. cos2 theta
Thursday, August 18, 2016 by nash

Math
Find an A.P. such that the sum of the first three terms is one half the sum of the next four terms, the first term being 12.
Thursday, August 18, 2016 by Jessica

8th grade math
Romita gets the sushi lunch special at Yoshi's. By using a coupon she receives $2.00 off the regular price p. Her total cost including 20 percent for tax and tip is $9.00. What is p the regular price of the lunch special?
Thursday, August 18, 2016 by Robin

Math
What is the greatest remainder you can have if the divisor is 4?
Thursday, August 18, 2016 by Liander Galagnara

math
8281 students are standing in a assembly ground such that the number of rows is equal to the number of students in each row.
Thursday, August 18, 2016 by vikas

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