Tuesday
August 4, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

Math
What is the missing value to the nearest hundredth? tan__=12 A. 85.24 B. 87.61 C. .12 D. .98
Tuesday, May 26, 2015 by rhidicde

math
How would i do a table of values for this equation: y=1/2(3)^-2x starting from -5 to 5 i get these values: -0.2778, -0.2222, -0.1667, -0.1111, -0.0556, 0 etc... am i wrong?
Tuesday, May 26, 2015 by rose

Math
The image of an eraser in a magnifying glass is three times the eraser’s actual size and has a width of 14.4 cm. What is the actual width of the eraser in cm? a) 14.4 cm. b) 3 cm. c) 43.2 cm. d) 4.8 cm. is it C? A square has 16-cm sides. What is the perimeter of the image...
Tuesday, May 26, 2015 by Gaby

math
Mike has a tree 58ft long and wants to cut it into 24 equal pieces. How long would the pieces be?
Tuesday, May 26, 2015 by Ashley

math
How would i do a table of values for this equation: y=1/2(3)^-2x starting from -5 to 5 i get these values: -0.2778, -0.2222, -0.1667, -0.1111, -0.0556, 0 etc... ami wrong?
Tuesday, May 26, 2015 by rose

Math- Geometry
Kristen lives directly east of the park. The football field is directly south of the park. The library sits on the line formed between Kristen’s home and the football field at the exact point where an altitude to the right triangle formed by her home, the park, and the ...
Tuesday, May 26, 2015 by rhidicde

Math
Three friends are planning to visit each other. To optimize travel time, they want the meeting place to be equidistant from the three different cities they live in. The cities are located at A(-16, -1), B(1, 6), and C(1, -18). What are the coordinates where the meeting should ...
Tuesday, May 26, 2015 by Anonymous

math
How would i do a table of values for this equation: y=1/2(3)^-2x starting from -5 to 5 i get these values: -0.2778, -0.2222, -0.1667, -0.1111, -0.0556, 0 etc... ami wrong?
Tuesday, May 26, 2015 by rose

Math
What is the surface area and volume of a composite figure made up of a hemisphere and a cone in terms of pi? The radius is 10, and the slant height is 15. Are my answers right? Cone surface area: π(10)(15) = 150π Hemisphere surface area: 2π(10)^2 = 200π 350...
Tuesday, May 26, 2015 by Anonymous

Math
The width of a picnic table is 3 times its length. If the length is 5/6 yards Long, what is the area in square feet?
Tuesday, May 26, 2015 by Isabelle

Math
1. Write a rule to describe the translation of a point from (-3,3) to (-2,2). a. (x,y) --> (x - 1, y + 1) b. (x,y) --> (x + 1, y + 1) c. (x,y) --> (x - 1, y - 1) d. (x,y) --> (x + 1, y - 1) 2. The coordinates of an ordered pair have opposite signs. In which ...
Tuesday, May 26, 2015 by Indigo

math algebra 1
The length of a rectangle is 2 m less than the diagonal and the width is 8 m less than the diagonal. If the area is 82 m2, how long is the diagonal?
Tuesday, May 26, 2015 by cc

math
interge[1/(t*t-1)(t*t-1)] I haven't got a way to solve it.. please help me..
Tuesday, May 26, 2015 by adeesha

Math Help
Hallie is trying to win the grand prize on a game show. Should she try her luck by spinning a wheel with 6 equal sections labeled from 1 to 6 and hope she gets a 5, or should she roll two number cubes and hope she gets the same number on both cubes? Explain
Tuesday, May 26, 2015 by asdfghjk

Math
The sixth term of an A.P. is 5 times the first term and the eleventh term exceeds twice the fifth term by 3 . Find the 8th term ?
Tuesday, May 26, 2015 by Shivam

math
A favorite sports poll of 30 teenagers shows that 18 like soccer, 9 like baseball and 10 like ice hockey. Three teenagers like all three sports, 3 like only soccer and baseball, 4 like only hockey and soccer, and 3 like only hockey. How many teenagers do not like any of these ...
Tuesday, May 26, 2015 by colbie

Math
3400 divided by what makes 100
Tuesday, May 26, 2015 by Sameed

math
For a geology project, Chelsea collected 16.5 kg of rocks on the first expedition and 14.7 kg on the second expedition. Ari collected the same total kilograms of rocks as Chelsea did, but he collected only 13.9 kg on the first expedition. How much did Ari collect on the second...
Tuesday, May 26, 2015 by Anonymous

MATH
X^2-4X+4
Tuesday, May 26, 2015 by BONGIWE GAMEDE

math
lim [(x ¡Ì2* ¡Ì2* ¡Ì2 )/x]-[3* ¡Ì2/x] x0†30
Tuesday, May 26, 2015 by adeesha

Math
What is the equation of the parabola with a focus of (4, 5) and a vertex of (4, 2) opening upwards? y - 2 = 1/12(x - 4)^2?
Monday, May 25, 2015 by Anonymous

Math
I brought a book and paid $1.80 in sales tax. If the tax was 8%, what was the cost of the book. How do I solve this problem?
Monday, May 25, 2015 by Anna

math
I need to calculate the effective interest rate of a simple discount note $21,750 at an ordinary bank discount rate of 7.91% for 120 days find the effective rate
Monday, May 25, 2015 by Anoymous

math
margaret Hillman invested $4,000 at 1.2% compounded quarterly for one year. find the futrue value and the interest earned for the year
Monday, May 25, 2015 by Anoymous

math
how to cut a 10 ft board into 9 smaller boards
Monday, May 25, 2015 by tiffany

math
compute the compound amount and the interest on a loan of $19,400 compounded annually for 6 years at 12%
Monday, May 25, 2015 by Anoymous

math
rosa needs $3,000in three years to make a down payment on a car how much must she invest today is she reeceives 0.5% interest annually compounded annually.
Monday, May 25, 2015 by Anoymous

math
rosa needs $4,000in three years to make a down payment on a car how much must she invest today is she reeceives 0.5% interest annually compounded annually.
Monday, May 25, 2015 by Anoymous

math
i have 5/6 yards of fabric to make shirts I need 1/12 yards of fabric for each chirt. How many shirts can I make? 5/6 x 1/12
Monday, May 25, 2015 by jamal

Math 7
A photo studio offers different sized prints of the same subject. The original print measures 8 inches by 10 inches. A printer enlarges the orginal the orginal by a scale factor of 1.5, and then enlarges the second image by a scale factor of 3. What are the dimensions of the ...
Monday, May 25, 2015 by Sierra

Math
triangle abc has sides that are 20 centimeters 38 centimeters and 50 centimeters in length . it is related to triangle cde by a scale factor of 0.5 what are the lengths of the sides of triangle CDE. I need help to figure this out. Thanks
Monday, May 25, 2015 by Kent

Math
A cylinder is 12 cm tall and has a diameter of 3 cm. What is the total surface area? Pi x radius x radius=3.14 x 1.5 x 2=9.42 cm Pi x diameter= 3.14 x 3= 9.42cm length x width= 9.42 x 12= 113.04cm Total Surface Area= 9.42+9.42+113.04=131.8cmsquared. The answer is 157cm. I don...
Monday, May 25, 2015 by Skye

math
I am having trouble understanding how to solve this problem. I found an answer, about 74.2%, but I am not sure if that is correct. Any help would be greatly appreciated! A chess board has 64 squares, 32 white and 32 black, and is played with 16 black and 16 white pieces. If ...
Monday, May 25, 2015 by anonymous

Math
Which number is NOT divisible by 9?
Monday, May 25, 2015 by Mae

math packet
how do I solve the following: 2x(x-3)+3=4
Monday, May 25, 2015 by charlie

Math
Plz Help!!! List three different ways to write 5 (with an exponents of 11) as the product of two powers. explain why all three of you expressions are equal to 5 with an exponent of 11… so far i just know that when your dealing with multiplying a power you add. any ...
Monday, May 25, 2015 by Andrew

Math
Identify the sampling,method. You want to determine the number of text messages students at your school send in a month. You go to the cafeteria and ask every 4th student that walks in. a- random b- systemic c- stratified d-m none of these My answer is none of the these ...
Monday, May 25, 2015 by Steve

math
what is a probability of rolling a total of 5 when a pair of number cubes is rolled once
Monday, May 25, 2015 by Dee

math
on monday 464 students went on a trip to zoo .all 9 buses were filled and 5 students had to travel in cars. how many students were in each bus?
Monday, May 25, 2015 by paul

Math Thanks
2 Eight children from the Schickel family are combining their savings to purchase a gaming system to connect to and play on their television. The gaming system is on sale at their favorite discount electronics store for 10 percent off of its regular price of $500. If the cost ...
Monday, May 25, 2015 by YOLO

MATH Help (NOT MULTIPLE CHOICE) PLZZ
The O’Toole’s leave their house in Canada to vacation in Mexico for a week over winter break. In their absence, their house receives an average of 8 inches of snow per day each day during the seven-day period. However, the average air temperature rises above 32 ...
Monday, May 25, 2015 by YOLO

Math
A model rocket is launched from a roof into a large field. The path the rocket can be modeled by the equation y=-0.04x^2+8.3x+4.3 where x is the horizontal distance in meters, from the starting point on the roof and y is the height in meters, of the rocket above the ground. ...
Monday, May 25, 2015 by Steve

Math
A catapult launches a boulder with an upward velocity of 92 m/s. The height of the boulder, h, in meters after 1 seconds is given in the function h= -5t^2+92t+16. How many seconds does it take to reach maximum height? What is the boulders maximum height?
Monday, May 25, 2015 by Steve

Math
Express the given equation in rectangular coordinate equation and sketch the curve. r^2=1+sin(theta)
Monday, May 25, 2015 by Help Please

math
Hello Sir, I have a question . A bird collector wants to buy 100 birds and to spend exactly $100. 1 Blue Bird= 7 dollars 1 Green Bird= 5 dollars 20 Yellow Birds= 1 dollar How many blue, green, and yellow birds can he buy? Please sir i'm waiting for your response.
Monday, May 25, 2015 by tanveer

math
a circular maize field has a radius of 200m .What is the length of fence around this field
Monday, May 25, 2015 by ceidic

Math
Mrs. Murphy separates her class into groups of 4 students each, 1 student is left over. If she separates her class into groups of 5 students each, 2 students are left over. What is the least number of students the class could have?
Monday, May 25, 2015 by Anonymous

math
find the arc length of a circle whose radius is 9in and whose central angle is 69. use pi=3.14
Sunday, May 24, 2015 by zundra coleman

Math
You are considering two mutual funds for your investment. The possible returns for the funds are dependent on the state of the economy and are given in the accompanying table. State of the Economy | Fund A | Fund B Good | 20% | 40% Fair | 10% | 20% Poor | -10% | -40% You ...
Sunday, May 24, 2015 by Will

math
how many pizza choices can you get with 3 crusts,7 toppings and 3 cheeses
Sunday, May 24, 2015 by mark

Math
What type of transformation is used when moving up an escalator?
Sunday, May 24, 2015 by Kent

Math
If a square of x multiple cm multiple x multiple cm is removed from the corner of 20cm multiple 20cm paper, write down an equation which will represent the volume of the box made from the remaining paper. Please help me please .
Sunday, May 24, 2015 by Esihle

Math
If a square of x times cm times x times cm is removed from the corner of the 20cm x 20cm paper, write down an equation which will represent the volume of the box made from the remaining paper.
Sunday, May 24, 2015 by Esihle

math
volume of pyramid is 48 cu. ft. What is surface area if height is 4 ft and has a square base
Sunday, May 24, 2015 by linda

math
is this function - y=3^x open up or down? is it a vertical stretch or compression?
Sunday, May 24, 2015 by Rose

Math
What is the largest square of which the dimensions are natural numbers that you can cut from the corners of 20cm x 20cm paper? Explain
Sunday, May 24, 2015 by Esihle

math
if the line segment given below is congruent then the length of ab is
Sunday, May 24, 2015 by nhp s

Math
A gun ia fired at a distance 1.7 km away from sajid.sajid hears a sound 5 seconds later.find the speed at which sound travells.
Sunday, May 24, 2015 by sajid

Math
if you had 60 songs how many different ways can you load 5 songs
Saturday, May 23, 2015 by Steve

math
By completing the square, determine the point in time when your model predicts Peter’s fortune will turn around. What is the lowest value that Peter’s investment will reach at this time? my function was v(t)=25x^2-750x+10000 v(9)=25(9)^2-750(9)+10000=5275
Saturday, May 23, 2015 by boe

math
At a used car dealership, the first determinant in the price of the car is the model, followed by the mileage and the age of the car. Which of the following is the dependent variable? A. price B. model C. mileage D. age I think its A because price depends on age, mileage, and ...
Saturday, May 23, 2015 by mandi

Math
find the angle θ in the right triangle in the following problem. Round to the nearest degree, if necessary. cos θ = 0.8192 A = 45 H = ?
Saturday, May 23, 2015 by Barbara

UMA
math what is the answer to this 732,178+167-542,137
Saturday, May 23, 2015 by joyce

math
which of the following statements is true 15divide 0=0 or 0 divide 15=0
Saturday, May 23, 2015 by Anonymous

Math
Explain how you would design a research study to compare the effectiveness of two weed killers. Both weed killers A and B are known to be effective but it is not known which is more effective and on what type of weeds. Weeds can be broadly classified into “broad leaf”...
Saturday, May 23, 2015 by Yeng

math
if x=1+under root 2+under root 3 prove that x power 4-4 x cubed-4x squared+16x-8=0
Saturday, May 23, 2015 by samarth

Math
I scored 3031 on my math performance series scantron test...is that a good score?
Friday, May 22, 2015 by Peach

Math
Ansgar is writing a novel. He writes seven days a week. On each of those days he writes for at least 4 hours but never more than 8 hours. Last week, he wrote for exactly 46 hours. What is the maximum number of days on which he could have written for 8 hours? A. 2 days B. 3 ...
Friday, May 22, 2015 by Anonymous

Math
Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. triangle base: 7 ft triangle height: 4 ft prism height:8.5 ft
Friday, May 22, 2015 by Shawn

Math
If (1 / 49)^ n + 3 = radical (7), then n=? F. - 7 / 4 G. 9 / 4 H. -11 / 4 J. -13 / 4 K. 15 / 4
Friday, May 22, 2015 by Anonymous

Math
Original price: Decrease by 85% Final Price: $12.99
Friday, May 22, 2015 by MG

Math
Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. triangle base: 7 ft triangle height: 4 ft prism height:8.5 ft
Friday, May 22, 2015 by Shawn

Math
How many questions are on the 9th grade math scantron performance series test?
Friday, May 22, 2015 by Peach

math
y=3^x opens up or down? vertical stretch or compression vertex y-int domain and range
Friday, May 22, 2015 by Rose

math
compute the compound and the interest on a loan of $10,400 compounded annually for 6 years at 12% use the $1.00 future value and compound interest formula
Friday, May 22, 2015 by Anoymous

Math- integers
The greenhouse effect occurs on many planets. If the actual temperature on Venus is -40 degrees, the temperature with the greenhouse effect is 800 degrees. What is the difference between the actual temperature and the temperature with the greenhouse effect.
Friday, May 22, 2015 by Edward

math
a land company has a loan of $8,500 compounded quarterly for 5 years at 6% what is the effective interest rate for the loan?
Friday, May 22, 2015 by Anoymous

math
I agreed to lend a friend money at a special interest rate of 10% per year on the condition that the friend borrow enough that they would pay %650 in interest over a period of 4 years what is the minimum amount my friend could borrow
Friday, May 22, 2015 by Anoymous

math
future amount needed $6,000 interest rate is 3% compounding period semiannually investment time 8 years what would the present value be
Friday, May 22, 2015 by Anoymous

Math
If no digits may be used more than once , how many 5 digits can be formed using only the digits 3, 8,1,2,5 ,7?
Friday, May 22, 2015 by Jade

Math
What is the surface area and volume of a composite figure made up of a hemisphere and a cone in terms of pi? The radius is 10, and the slant height is 15. Ans: surface area: 350 pi units^2 volume: 1039.4 pi units^3
Friday, May 22, 2015 by Anonymous

math
You roll a number cube numbered one to six 12 times. P(5)=2/3. What type of probability is illustrated and why?
Friday, May 22, 2015 by anonymous

math
By completing the square, determine the point in time when your model predicts Peter’s fortune will turn around. What is the lowest value that Peter’s investment will reach at this time? my function was v(t)=25x^2-750x+10000 v(9)=25(9)^2-750(9)+10000=5275
Friday, May 22, 2015 by boe

math
metal mercury at room temperature is a liquid. melting point is 39 degree celsius.freezing point of alcohol is 114 degree celsius.how mu7ch warmer is the melting point of mercury than the freezing point of alcohol
Thursday, May 21, 2015 by sai

Calculus math
how do i solve these quadratics? c=10000 9a+3b+c=7975 36a+6b+c=6400 im unsure of how to solve as a and b are unknowns...
Thursday, May 21, 2015 by Dg

Math
Q. Neil found out that the Sunday paper that he delivers is about 1 pound and 12 ounces. He delivers 39 newspapers on Sunday's. How much do the 39 newspapers weigh? (Hint: 16 ounces = 1 pound) A. I tried adding 16 12 times but that didn't work after I found out it was ...
Thursday, May 21, 2015 by Michelle

Math
A pet store is building new cages for their birds. They have 8!@#$%^&atiels, 32 parakeets, and 28 finches. How many cages will they need if each cage will hold either 2!@#$%^&atiels, 10 parakeets, or 14 finches. The different types of birds are all kept separate.
Thursday, May 21, 2015 by Laura

Math
From a point 120m from the foot of a building, the angles of elevation of the top and bottom of the flagpole are 49 degrees and 46 degrees respectively. Find the height of the flagpole (answer 13.8m) I couldn't get the answer because I thought the question was worded weird...
Thursday, May 21, 2015 by Anonymous

5 th grade math
at a grocery store salted peanuts in the shell cost 30 cents per ounce. is $5.00 enough money to buy 1 pound of peanuts?
Thursday, May 21, 2015 by 5th grade math

math plz help quick
from a committee go 6 girls and 4 boys, a name is selected. then another name is selected. what is the probability that both people will be girls.
Thursday, May 21, 2015 by Sarah Engberg

math plz help quick
a bag contains 3 blue marbles 9 green marbles and 11 yellow marbles. twice you draw a marble and replace it ,find the probability of blue then green
Thursday, May 21, 2015 by Sarah Engberg

Math
A pet store is building new cages for their birds. They have 8!@#$%^&atiels, 32 parakeets, and 28 finches. How many cages will they need if each cage will hold either 2!@#$%^&atiels, 10 parakeets, or 14 finches. The different types of birds are all kept separate.
Thursday, May 21, 2015 by Laura

Math
Solve -2x<9. x> ____
Thursday, May 21, 2015 by Eva

math
A rectangular dog pen that has the greatest possible area within a budget of 50$.A pen needs at least one gate for a dog. Fencing is $1.00 per foot, fence posts are $2.00 each and gates (3 feet wide) are $5.00 each. what is the area of a pen? pls help me !!!
Thursday, May 21, 2015 by lee

math
A refrigerator is 2.8 feet wide, 2.5 feet deep,5.5 feet high. the walls and other parts of the refrigerator take up 19 feet to the 3rd power. How many cubic feet are left for food
Thursday, May 21, 2015 by gav

MATH PRACTICE
Triangle ABC has Coordinates A(-6,0) B(-2,0) C(-2,-7). What is the APPROXIMATE Perimeter of Triangle ABC?
Thursday, May 21, 2015 by OG KOALA

1st grade math
what is a common factor
Thursday, May 21, 2015 by seahawks

math
lilly made a 75 on her history test and an3 on her math test. the mean grade on the history test was 72 with a standard deviation of 5. the average grade on the math test was 81 with a standard deviation of 4. which test did lilly do better?
Thursday, May 21, 2015 by debbie

Math: related rates
A street light is at the top of a 26 ft pole. A 5 ft tall girl walks along a straight path away from the pole with a speed of 7 ft/sec. At what rate is the tip of her shadow moving away from the light (ie. away from the top of the pole) when the girl is 23 ft away from the ...
Thursday, May 21, 2015 by Gilo

Math!! (repost) really need help!!
A cone has a diameter of 24 in. and a height of 10in. What is the volume of s cone? use 3.14 as an approximation.. final answer in tenths - Im stuck between two answers: 94.25 because if I do 3 x 10 to find the volume. I say 3 because the diameter is 24 in., also 8 x 3 equals ...
Thursday, May 21, 2015 by Anonymous

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