Thursday
July 28, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

math
if you make guesses for four multiple-choice test questions (each with five possible answers), what is the probability of getting at least one correct?
Thursday, June 23, 2016 by sara

Math
Traveling across a flat land you notice a mountain of f in the distance with an angle of elevations 3.5 degrees. You walk toward the mountain 13 more miles and now the angle of elevation is 9 degrees. How tall is the mountain?
Thursday, June 23, 2016 by Gabby

math/algebra
Find the hang time for a golf ball hit 150 feet into the air. The time T in seconds is given by the function T(x)= square root of x over 2
Thursday, June 23, 2016 by april

math
when dealing with sigma notation, if i enclose my formula with parenthesis,does it make it different from a formula with no parenthesis? plz help, I saw this in regents prep webpage and I just didn't see any difference, but they say that the parenthesis changes the result.
Thursday, June 23, 2016 by Lauren

math
Let f be the function defined on {-3, 1} by f (x)= (x+1)/x^2+ax+b and (C) its representative curve in an orthonormal system . Knowing that the two lines of equations x=1 and x=-3 are asymptotes to (C) calculate the values of a and b.
Thursday, June 23, 2016 by vicky

Math
Greates number can be rounded to 6000
Thursday, June 23, 2016 by Anonymous

MATH
1. The population of the city A is 10^-4 million, and the population of City B is 10^3 million. How many times more is the population of City A then the City B? 2. A grain of rice has a volume 10^-9 m^3. A box is full of rice and has a volume of 10^-3 m^3. How many grains of ...
Thursday, June 23, 2016 by Camz

Math
Write the least number possible with 5 in the thousands place
Thursday, June 23, 2016 by Miguel

math
if x...y=(x-y)^2 for all integers which are the following must be true? 1)x...y=y...x 2)x....y=x...(-y) 3)x...(-y)=-x..y
Thursday, June 23, 2016 by tasu

math
The telephone bill consists of a fixed monthly rent and a variable part that varies with the number of units of calls made per month. The monthly rents charged for a telephone connection in bangalore and patna are in the ratio 5 : 3. The bill amounts corresponding to 100 calls...
Thursday, June 23, 2016 by vipul

math
if x^2+2x-15=(x+r)(x+s) for all values of x one possible value of for r-s is?
Thursday, June 23, 2016 by tasu

math
What number, whose sum of its digits is 26, becomes 6000 when rounded to the nearest thousands? List 3 possible answer.
Thursday, June 23, 2016 by hainess

Math
If the population of a town grew 11% up to 5,173, what was the population last year.
Thursday, June 23, 2016 by Jordan

Algebra
The Pi (π) Club at Math High School was planning a fundraiser to sell pepperoni pizza. A pizza company donated enough ingredients to make the equivalent of 300 extra large pepperoni pizzas (16” diameter). In trying to determine the number of pizzas of each size to ...
Thursday, June 23, 2016 by Carl

Math( Please Help Assignment Due Tomorrow)
Visitor Numbers Total visitors: 2004. 2005. 2006 3,135,727. 3,164,906. 3,281,435 Total visitor days: 2004. 2005. 2006 7,453,465. 7,518,997. 7,784,044 Total visitors have increased by 4.6% and total visitor days by 4.4% in this period. Group tour visitors have increased ...
Wednesday, June 22, 2016 by Candice

Math
there are 7 apples and 3 pears in a basket . in how many different ways can we pick an apple ?
Wednesday, June 22, 2016 by hassan

Math
Help please, one third of negative 18
Wednesday, June 22, 2016 by Sammie

math
Kyle buys last year's best-selling novel, in hardcover, for $19.50. This is with a 25% discount from the original price. What was the original price of the novel?
Wednesday, June 22, 2016 by Anonymous

Math (exam tomorrow)
For the function f(x)=3cos(2x),what is the first point where it is increasing the fastest? Also please tell me how you know or derived that! Thank you!!! Please answer ASAP
Wednesday, June 22, 2016 by Squad

MATH
The cost of attendance at State University is $22,000 for the first year. Devise a periodic savings plan that will allow you to make small deposits for 5 years at a simple interest rate of 2% and save enough to pay for the first year at the university.
Wednesday, June 22, 2016 by GHOST

Algebra
The Pi (π) Club at Math High School was planning a fundraiser to sell pepperoni pizza. A pizza company donated enough ingredients to make the equivalent of 300 extra large pepperoni pizzas (16” diameter). In trying to determine the number of pizzas of each size to ...
Wednesday, June 22, 2016 by Carl

Math
The path of a satellite orbiting the earth causes it to pass directly over two tracking stations A and B, which are 35 mi apart. When the satellite is on one side of the two stations, the angles of elevation at A and B are measured to be 87.0° and 84.2°, respectively...
Wednesday, June 22, 2016 by Jennifer

math
In triangle wxy, wy is congruent to xy. the perimeter of triangle wxy is 76 inches. how many inches long is wx?
Wednesday, June 22, 2016 by elena

math
Population of a certain country is decreasing by 0.8% every year. The population in 2015 is 9 million, what will be the population in 2016 is it 16200000
Wednesday, June 22, 2016 by Rein

Math: Personal Finance
Over the past 30 years, interest rates have varied widely. The rate for a 30-year mortgage reached a high of 14.75% in July 1984, and it reached a low of 4.64% in October 2010. A significant impact of lower interest rates on society is that they enable more people to afford ...
Wednesday, June 22, 2016 by Kinsey

Math: Personal Finance
In order to buy a new car, you finance $20,000 with no down payment for a term of five years at an APR (Annual Percentage Rate) of 6%. After you have the car for one year, you are in an accident. No one is injured, but the car is totaled. The insurance company says that before...
Wednesday, June 22, 2016 by Kinsey

Math: Personal Finance
Find how much equity you will have on a $200000 mortgage at an APR of 7.2% and a term of 15 years. What percent of the principle is this?
Wednesday, June 22, 2016 by Kinsey

Math: Personal Finance
You want to buy a car. Suppose you borrow $15,000 for two years at an APR of 7%. What will your monthly payment be? How much interest will you have paid by the end of the loan? I've gotten half of the question right, but I'm not sure which half since I can't only ...
Wednesday, June 22, 2016 by Kinsey

Math: Personal Finance
You find that the going rate for a home mortgage with a term of 30 years is 6.5% APR. The lending agency says that based on your income, your monthly payment can be at most $750. How much can you borrow?
Wednesday, June 22, 2016 by Kinsey

Math(Please Help)
Table 9: Visitor Numbers Total visitors: 2004. 2005. 2006 3,135,727. 3,164,906. 3,281,435 Total visitor days: 2004. 2005. 2006 7,453,465. 7,518,997. 7,784,044 Total visitors have increased by 4.6% and total visitor days by 4.4% in this period. Group tour visitors have ...
Wednesday, June 22, 2016 by Candice

Math
How to solve: 4d^4w^3*6dw^4/3d^3w*8dw^2
Wednesday, June 22, 2016 by Leah

Math
The sum of two numbers is nine. Four times the smaller is equal to two times the larger.
Wednesday, June 22, 2016 by Kelsey

math
Please help me now. SOLVE THE EXPONENTIAL EQUATION BELOW. 4(2^Xsquare)=8^X
Wednesday, June 22, 2016 by somay

math
The height of an open box is 1cm more than the length of a side of its square base.If the open box has a surface area of 96cms,find the dimensions using quadratic equation
Wednesday, June 22, 2016 by shani

math
how do u divide 14.5/34.5? you do 145/345 right?
Wednesday, June 22, 2016 by Rein

Math
A balloon 150 meters from the observer is rising vertically at constant rate. After 1 minute the angle of elevation is 28 degrees and 29 minutes. What is the angle after 3 minutes?
Wednesday, June 22, 2016 by Angel

MATH ARITHMETIC SEQUENCES
IN THE INFINITE ARITHMETIC SEQUENCE 1, 11, 1.2,... WHAT TERM OF THE SEQUENCE IS 3?
Wednesday, June 22, 2016 by DANIELA

math
If you will triple the three it is called thrice but when you four what is it
Wednesday, June 22, 2016 by sarah

math
place value of 95732
Wednesday, June 22, 2016 by mj

math
Sales at a certain department store follow the model 4072-01-02-03-00_files/i0100000.jpg where y is the total sales in thousands of dollars and x is the number of years after 2001. What was the first year that sales fell below $50,000?
Wednesday, June 22, 2016 by Anonymous

Math
100X100X100,bases 2 and 5
Wednesday, June 22, 2016 by Anonymous

math
x2-6x+9=64
Wednesday, June 22, 2016 by jonna

math
USing all the digits0,1,2,3,4,5,6,7,8,9 once,write the smallest and the largest possible numbers that can be formed.answer A.What is the place value of the digit 5 in the smallest possible number that was formed?answer B.What is the place value of the digit 5 inthe largest ...
Wednesday, June 22, 2016 by sircybur

math
an alloy is formed by mixing 4.5g copper and 2.8g zinc.how much alloy of similar kind can be formed by using 13.5g copper?
Wednesday, June 22, 2016 by swathi

math
In a math contest of 20 problems, 5 points were given for each correct answer. If Janelle answered all 20 problems and scored 72 points how many correct answers did he have?
Wednesday, June 22, 2016 by evelyn

math
TRY THIS EXPONENTIAL EQUATION 4(2^Xsquare)=8^X
Wednesday, June 22, 2016 by somay

math
find the value of x in the exponent below. 4(2^x)=8^x
Wednesday, June 22, 2016 by somay

math
divide p(x)by q(x) if p(x) = x^3+31/6 x^2-2x+4 q(x) = 1+3x/2
Wednesday, June 22, 2016 by raghav

math
The gradient of a curve at (1,-11) is ax^2 + b at all points. The tangent at (2,-16) is parallel to the x-axis. Find a and b and the equation of the curve
Tuesday, June 21, 2016 by joseph

Math
A physician ordered 1 L of D-10-1/2 NS to infuse over 10 hours. How many grams of Dextrose would the patient receive per hour? I answer like this D10 = 10g/100 ml 1 L= 1000 mL 10 g/100 mL= x/ 1000 mL 100x= 1000x10 x= 10,000/100 x= 100 g over 10 hours 100g/10 hr = x/1 hr 10x= ...
Tuesday, June 21, 2016 by Fatin

Math
I would like to put these fractions in order from least to greatest: 3/8, 5/8, 4/8, 2/8, 7/8
Tuesday, June 21, 2016 by Xavier

math
On Tuesday and Wednesday, cab fare cost $7.75 total. On Monday and Thursday, cab fare cost $6.30 on each day. On Friday, cab fare cost $7.00. What was the average daily cost
Tuesday, June 21, 2016 by Anonymous

Math/Conversions
Good afternoon, could someone please help me with this? The answer is 22 1/2 oz. Doctor instructs pt to drink 1 L (33 4/5oz) of water. An hour later you find 1/3 L left. How many ounces did Ms. White consume? This is what I keep getting. I think I may be doing the wrong ...
Tuesday, June 21, 2016 by Anonymous

math
a ;unch menu has 4 differnt sandwhiches
Tuesday, June 21, 2016 by rehan

Math (pre-celc 12)
A true false test has 15 questions. How many answer keys are possible of the answer to 6 of the questions is false and 9 are true? I think this is a permutation and not a combination because each answer key would be different depending on the order of which are true or false. ...
Tuesday, June 21, 2016 by Jana

Math Geometry
Polygon ABCD is similar to polygon WXYZ, and and are corresponding sides. You know the perimeter of each polygon, and you know the measure of BC. What can you find? A. Measure of all sides of both polygons B. Measure of <A and <W C. Area of each polygon D. Measure of XY
Tuesday, June 21, 2016 by Seth

Math
The 3 digit number in which the ones digit is three times the tens digit and the tens digit is three times the hundred digit.
Tuesday, June 21, 2016 by Anonymous

math
simplyfy if quadratic equation or not quadratic equation and arrange into quadratic equation form 25-r2=4x
Tuesday, June 21, 2016 by jane

math
The equation below models the height in feet, h, of a softball t seconds after it is hit by a batter. mc023-1.jpg Why is the height of the ball a function of time?
Tuesday, June 21, 2016 by marquan

math
what part of a quarter is 2 pennies 2 nickels and 1 dime???
Tuesday, June 21, 2016 by tasu

math
a motion was adopted by a vote of 5 to 3.what part of the total vote was against the motion? ans is 3/8. couldnt get the question and answer?please reply
Tuesday, June 21, 2016 by tasu

math
A chord subtends an angle of 68 degrees at the center of a circle of radius 200mm.find the chord length.
Tuesday, June 21, 2016 by brenda

math
place value of 2.435
Tuesday, June 21, 2016 by may

math
a motion was adopted by a vote of 5 to 3.what part of the total vote was against the motion?
Tuesday, June 21, 2016 by tasu

math
Filling each 5 cars with the same amount of fuel empties 3/4 of a gasoline storage tank.what part of the total capacity did each vehicle receive?
Tuesday, June 21, 2016 by tasu

Math
The difference of a number and its opposite is 28. Find the number
Tuesday, June 21, 2016 by John

Math
Study ways of raising a loan to buy a car or house e.g. bank loan or purchase a refrigerator or a television set through hire purchase the
Monday, June 20, 2016 by Harsh

Math
Hey! So, I've been working on this problem for awhile but I'm currently a bit dumbfounded on how to solve it. I think this question has been answered before but I still don't quite understand how it works or how to explain it. The problem is as follows: |z|^2 -2(...
Monday, June 20, 2016 by Z

Math
If 6" equals 120' how many inches equals 22'
Monday, June 20, 2016 by Johnnie

Math
A class of 23 students was using square tiles to build rectangular shapes. Each student had more than 1 tile and each had a different number of tiles. Each student was able to build only one shape of rectangle. All tiles had to be used to build a rectangle and the rectangle ...
Monday, June 20, 2016 by Joseph

Math
the length of rectangle is 5 cm more than twice its width. if the area is 52 cm^2,find its dimensions
Monday, June 20, 2016 by Rainie

Math
find the set of numbers each of which is 30 less than its own squares.
Monday, June 20, 2016 by Rainie

Math (pre-celc 12)
In how many ways can a school president, a vice-president, and secretary be chosen from 21 students? I'm not sure to find this answer since there is no order in which they are chosen.
Monday, June 20, 2016 by Jana

math
Write this as a numerical or algebraic expression 26 more than n My answer is n=26+n
Monday, June 20, 2016 by Aaric

Math (pre-celc 12)
BC Place has 16 gates. In how many ways can you enter and leave the stadium by any gate? I'm not sure if this this is a combination or a permutation. I think it's a permutation and my answer is 256 ways. Thanks for the help.
Monday, June 20, 2016 by Jana

math
radio signal travels 3.00*10^8 meters per seconded. how many seconds will it take for a radio signal to travel from a satellite to the surface of earth if the satellite is orbiting at a height of 3.54*10^7 meters? I am so confused @Mrssue
Monday, June 20, 2016 by lory PLEASE HELP!

Math
Assume an 18-month CD purchased for $7000 pays an APR of 3% compounded monthly. What is the APY?
Monday, June 20, 2016 by Kinsey

Math
A rectangular compound has the dimensions 6m by 10m A square carpet is laid in the centre of the compound. the carpet is 3m by 3m. Find the part of the compound that is uncovered by the carpet.
Monday, June 20, 2016 by Anonymous

Math
Area of an arc with diameter of 7cm and an angle of 60degrees
Monday, June 20, 2016 by val

math
Leo is looking down, from the roof of a building, at a dump truck that is parked on the road. The angle of depression to the front of the truck is , and the building is 37 m tall. What is the distance between the base of the building and the front of the truck?
Monday, June 20, 2016 by shade

math
Lucas is designing a flower garden in the shape of an isosceles right triangle. He has created a scale diagram. The lengths of the perpendicular sides in the scale diagram are 7 cm, and the hypotenuse of the real garden will be 3 m long. What is the area of the real garden?
Monday, June 20, 2016 by shade

Math
Three seta of lights blink after 6 seconds, 8 seconds and 12 seconds respectively. What is the least number of seconds it would take for the lights to blink together.
Monday, June 20, 2016 by Joanne

math
Lucas is designing a flower garden in the shape of an isosceles right triangle. He has created a scale diagram. The lengths of the perpendicular sides in the scale diagram are 7 cm, and the hypotenuse of the real garden will be 3 m long. What is the area of the real garden? A...
Monday, June 20, 2016 by shade

Math(Please Help Me, Assignment Due)
The Edmonton rush is one of nine teams that play in the national lacrosse league. The weights of the 2013 Edmonton rush players are shown. Weight in Lbs. 160. 170. 170. 175. 180 185. 188. 190. 190. 190 194. 195. 200. 200. 200 205. 205. 210. 210. 210 210. 215. 245. A.) Explain ...
Monday, June 20, 2016 by Courtney B.

math
DeWitt Company sells a kitchen set for $320. To promote July 4, DeWitt ran the following advertisement: Beginning each hour up to 4 hours we will mark down the kitchen set 8%. At the end of each hour, we will mark up the set 3%. Assume Ingrid Swenson buys the set 1 hour 30 ...
Monday, June 20, 2016 by monica

math
An Apple Computer Center sells computers for $1,192.80. Assuming the computers cost $10,080 per dozen. a. Find the dollar markup for each computer. (Round your answer to the nearest cent.) Dollar markup $ b. Find the percent markup on cost for each computer. Percent markup % ...
Monday, June 20, 2016 by monica

math
Arley’s Bakery makes fat-free cookies that cost $1.60 each. Arley expects 40% of the cookies to fall apart and be discarded. Arley wants a 35% markup on cost and produces 200 cookies. Assume that Arley can sell the broken cookies for $1.50 each. What should Arley price ...
Monday, June 20, 2016 by alex

math
Working off an 18% margin, with markups based on cost, the Food Co-op Club boasts that it has 4,300 members and a 165% increase in sales. The markup is 33% based on cost. What would be its percent markup if selling price were the base? (Round your answer to the nearest ...
Monday, June 20, 2016 by chelle

math
The planet Mercury travels 180,600 miles in its orbit during the 7 hours that make up a typical school day. Find the unit rate.
Monday, June 20, 2016 by tyjuan carter

Math
I am a a seven-digit number my millions place is 5. My ten thousands and hundreds place is the difference between my millions place and hundreds place . And my remaining place value is 0 what number am l ?
Monday, June 20, 2016 by Joy

MATH
My ones digit is 1.My tens digit is 2 ore than my ones digit.My thousands digit is the difference when my tens digit is subtracted from my hundreds digit.what number am I?
Monday, June 20, 2016 by christine

math
write the largest 4-digit number using the digits 9 and 8.Use each digit twice
Monday, June 20, 2016 by christine

math
if f(x)=x^3+3x^2-2x+4 find f(-2)+f(2)-f(0)
Monday, June 20, 2016 by raghav

math
A number is 8 more than another number.If the product of the two numbers is 20.Find the numbers.
Monday, June 20, 2016 by night

math
The gestation period of humans(266 days) is_________ percent longer than the gestation period of grizzly bears (220 days).
Sunday, June 19, 2016 by Anonymous

math
If the sum of first four terms of GP is 30, sum of last four terms of GP is 960 and first term is 2 then find common ratio.
Sunday, June 19, 2016 by Bhishma

Math
On a 20 question math test, your teacher gives you five points for every correct answer and takes away one point for each incorrect answer. If you score 70 on the test, how many did you get correct?
Sunday, June 19, 2016 by Brian

Math
Describe a scenario where you expect a set of data to have A.) a large standard deviation B.) a small standard deviation The prize for winning a contest can be chosen from category a or category b. Prizes from category a have a mean of $1000 and a standard deviation of $50. ...
Sunday, June 19, 2016 by Jenny

math
Find the smallest positive integer not relatively prime to 2015 that has the same number of positive divisors as 2015.
Sunday, June 19, 2016 by david

Math
A cliff on the bank of a river is 250m high if d angle of depression of d point of d opposite side of the river is 50 degree,find the width of d river
Sunday, June 19, 2016 by Esther

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