Tuesday

August 4, 2015

August 4, 2015

**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] x0†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*