Sunday

December 21, 2014

December 21, 2014

Number of results: 11,195

**college math**

Math homework please help!! 2. Suppose that people’s weights are normally distributed, with mean 175 pounds and a standard deviation of 6 pounds. Round to the nearest hundredth of a percent a. What percent of the population would weigh between 165 and 170 pounds? b. What ...
*November 5, 2013 by lynda*

**PRE-CALC HELP **

1) Two boats leave the same port at the same time. One travels at a speed of 27 mi/h in the direction N 50° E and the other travels at a speed of 22 mi/h in a direction S 70° E (see the figure). How far apart are the two boats after one hour? (Round your answer to the nearest ...
*November 8, 2013 by JOHN *

**elementary math**

what does it mean on the instructions if it says "Use a ten-frame and O to make a ten. Find the sum."
*September 6, 2007 by joe*

**math**

Fern rounded to the nearest ten to estimate 548-132. She subtracted 540-130 and got 410. Is Fern's estimate correct? Explain.
*October 1, 2014 by Salvatore *

**Math**

Suppose that the number of bacteria in a certain population increases according to an exponential growth model. A sample of 2600 bacteria selected from this population reached the size of 2873 bacteria in two and a half hours. Find the continuous growth rate per hour. Write ...
*February 21, 2011 by Rachal*

**Math 8R - HW Qs. Check**

Approximate the square root to the nearest hundredth square root of 155 12. 449 (that's the square root of 155) 12.450 (i round it to the nearest hundredth) am i correct????
*December 3, 2012 by Laruen *

**3rd grade**

Teaching 3rd graders compatable number? Is there a rule? I have taught them to group numbers that add up to ten. I also told them think of it as rounding to nearest 5. Am I steering them in the right direction?
*September 22, 2010 by Teach3rdgraders*

**MAT201 Basic Statistics**

A dealership sold 15 cars last month. The purchase price of the cars, rounded to the nearest thousand, is represented in the table Purchase Price/# of cars sold $15,000
*November 24, 2014 by Pat*

**math**

Could someone double check my answers. 1. Write the number in expanded form 684 answer: (6x100)+(8x10)+(4x1) 2.Give the place value for the indicated digit 8 in the number 138,350 answer: thousands 3. Write the following in the standard form of a number Four hundred sixty ...
*February 9, 2008 by Kim S.*

**math**

find the unit rate. round to the nearest hundredth, if necessary. type 8,580 words in 2 hours 45 minutes
*December 17, 2008 by jessica*

**math**

Give the Five-Number Summary for this data set. Round your answers to the nearest tenth. 18, 22, 36, 36, 36, 44, 185, 304, 24
*October 22, 2009 by joe*

**10th grade algebra **

How many kg of pure salt must be added to 8 kg of a 30% solution to obtain a 35% soltution? Round to the nearest tenth.
*November 12, 2009 by natalie*

**algebra**

how long will it take for the population of a certain country to double if its annual growth rate is 7.9%?( round to the nearest year)
*May 22, 2010 by Bonnie*

**Math**

Find the simple interest. Round your answer to the nearest cent. Principal = $900 Rate = 4% Time in years = 3
*May 29, 2010 by George*

**Math /Equations**

Hi. I need to find the distance between the two points and then round the answer to the nearest hundredth. (8,4) and (18, 28). Thank you so much.
*July 28, 2010 by Jessica*

**college**

how long will it take $1250 to become $2000 at 3.5% interest compounded continuously? (round to nearest tenth of a year)
*September 30, 2010 by Anonymous*

**Math**

Find the measure if the central angle that you would to represent each percent in a circle graph. Round to the nearest degree. 50%
*December 9, 2010 by Please help*

**Trigonometry**

Find the area of a sector, given a central angle of 240degrees and a radius of 15 cm. Round your answer to the nearest tenth.
*January 4, 2011 by Tabby*

**geometry**

What is the area of the sector, in square units, determined by an arc with a measure 45° in a circle with radius 6? Round to the nearest tenth.
*March 8, 2011 by Anonymous*

**trig**

Given a right triangle with legs 8 and 5, find the measure of the two acute angles. (Round to the nearest hundredth
*March 29, 2011 by kristy*

**Geometry**

Find the area of a circle circumscribed about a regular hexagon with an apothem of 5 inches. Round to the nearest tenth
*April 5, 2011 by Marjorie*

**Math**

Find the number of decibels for the power of the sound. Round to the nearest decibel. A rock concert, 5.19 10-6 watts/cm2 D= ? db
*July 15, 2011 by Lee Ann*

**algebra,math**

Use the Pythagorean Theorem to find the missing side of the triangle. Round to the nearest tenth, if necessary. a = ?, b = 5, c = 8 A. 6.0 B. 6.1 C. 6.2 D. 6.3
*October 24, 2011 by tracy*

**algebra**

Find the number of decibels for the power of the sound. Round to the nearest decibel. A rock concert, 5.4 10-6 watts/cm2
*October 30, 2011 by suzie*

**geometry**

Find the area of a sector with a central angle of 190° and a diameter of 5.1 cm. Round to the nearest tenth. Please Help I just don't get it
*December 23, 2011 by cindy*

**chemistry**

a cheetah can run 112 kilometers per hour. Express this speed in mph. round to the nearest mile
*April 5, 2012 by ginnie*

**ALGEBRA**

Fill in the blanks. (Round your answers to the nearest dollar.) Interest Principal Rate Time Future Value
*April 29, 2012 by Mike*

**math**

Find the surface area of a rectangular prism with a length of 10 cm, a width of 4 1/2 cm, and a height 8 3/4 cm. Round your answer to the nearest hundredth.
*May 16, 2012 by hana*

**Geometry**

An isosceles triangle has area of 125 ft2. If the base is 14 ft, what is the length of each leg? Round your answer to the nearest tenth.
*May 25, 2012 by Lex*

**algebra**

Find the number of decibels for the power of the sound. round to the nearest decibel. A rock concert, 5.35x 10^4 watts/cm^2
*July 24, 2012 by Nancy*

**Algebra**

Find the number of decibels for the power of the sound. Round to the nearest decibel. A rock concert, 5.3 10-6 watts/cm2
*August 3, 2012 by Deb*

**Algebra II Part 2**

Use a graphing calculator to solve the equation -3 cos t=1 in the interval from 0 to 2 p.Round your answer to the nearest hundredth
*May 18, 2013 by Karen*

**math**

Use a graphing calculator to solve the equation 3 tan=(1)/(3)è=8 in the interval from 0 to 2pi. Round your answers to the nearest hundredth.
*May 21, 2013 by Torrance*

**math**

evaluate the amortization formula m= p(r/n)/1-(1+r/n)^nt for the variables p,r, and t (respectively). Assume n=12 (Round your answer to nearest cent.) $150,000;6%;15 yr
*June 14, 2013 by christine foree*

**math**

How long (in minutes) will a 400 -mile road trip take at 70 mph? Round your answer to the nearest minute.
*August 24, 2013 by Anonymous*

**Math**

Find the original price for a kitchen table and chairs selling for $799.99 at 40% off. Round to the nearest dollar
*September 1, 2013 by Jackson*

**Astronomy**

Look up where Voyager 1 is now and compute how many lighthours it is away. Round your answer to the nearest number of light hours.
*September 17, 2013 by qwerty*

**Algebra 1**

A boat travels 36 miles in 60 minutes. Find the unit rate. Round you answer to the nearest thousandth if necessary.
*October 8, 2013 by Anonymous*

**algebra**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.42 * 10^5 watts cm^2 what is the db?
*November 11, 2013 by lisa*

**geometry**

Find the surface area of a cone with a slant height of 11 and a radius of 15. Use 3.14 for ð. Round your answer to the nearest tenth.
*December 29, 2013 by Anonymous*

**finance**

a.FV of $300 paid each 6 months for 5 years at a nominal rate of 12% compounded semiannually. Round your answer to the nearest cent
*February 11, 2014 by me*

**Pre-Calculus/Trigonometry**

Help please If, f(x)= 3/x+2 -√x-3, complete the following statement. Round your answer to the nearest hundredths place. F(7)= ?
*September 9, 2014 by Haila*

**Algebra**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.50 * 10^5 watts cm^2 what is the db?
*November 7, 2014 by Roger*

**Math**

Find the volume of a right circular cone with base diameter 12.0 m and slant height is 10.0m . Round to the nearest whole
*November 24, 2014 by Jeet*

**Algebra 2**

what is the positive solution of the equation x^2 - 3x = 1? solve by using a table or by graphing. if necessary, round your answer to the nearest hundredth.
*December 8, 2014 by Zach*

**Algebra 2**

what is the positive solution of the equation 3x^2 - 5x - 7 =0? solve by using a table or by graphing. if necessary, round your answer to the nearest hundredth.
*December 8, 2014 by Zach*

**Algebra 2**

what is the positive solution of the equation 1/2x^2 -3x =5? solve by using a table or by graphing. if necessary, round your answer to the nearest hundredth.
*December 8, 2014 by Zach*

**Math**

Need help with my practice review. Thanks 1.If inflation is 6% a year compounded annually, what will it cost in 21 years to buy a house currently valued at $230,000? Round to the nearest cent. 2.A small company borrows $50,000 at 11% compounded monthly. The loan is due in 4 ...
*July 8, 2009 by Chayo*

**Consumer Math**

I am purchasing a house for $235,000 and have excellent credit. If I pay $1,678.93 at the end of the first month, how much is applied to the principal balance?
*March 3, 2014 by Rachel*

**I NEED URGENT HELP!!! **

A ship leaves port at 1:00 P.M. and sails in the direction N36°W at a rate of 25 mi/hr. Another ship leaves port at 1:30 P.M. and sails in the direction N54°E at a rate of 16 mi/hr. (a) Approximately how far apart are the ships at 3:00 P.M.? (Round your answer to the nearest ...
*September 28, 2011 by STEPHANIE *

**accounting**

On each December 31, you plan to transfer $2,000 from your checking account into a savings account.The savings account will earn 9 percent annual interest, which will be added to the savings account balance at each year-end. The first deposit will be made December 31, 2010 ...
*February 28, 2013 by PORTLAND STATE*

**math**

number sense Fern rounded to the nearest ten to estimate 548-132 she subtracted 540-130 and got 410 Is Fern's estimate correct? Explain
*September 25, 2012 by Phyllis*

**Math**

I was wondering if you can help me with math real quickly. I just cant figure this out. For the first question I have to find the surface area for the given cylinder. I have to use 3.14 and round to the nearest whole number. The radius is 6ft and the height is 20 ft. A. 180 ...
*March 27, 2014 by Sebby-Chan*

**MATHS**

USING ONLY THE NUMBER FOUR, PLACE TEN MONEY AMOUNTS IN THE TEN BLOCKS OF THIS PYRAMID TO TOTAL $10,000
*July 1, 2011 by GURVINDER*

**MATHS**

USING ONLY THE NUMBER FOUR, PLACE TEN MONEY AMOUNTS IN THE TEN BLOCKS OF THIS PYRAMID TO TOTAL $10,000
*July 1, 2011 by GURVINDER*

**math **

help with these 2 questions 1, Estimate the number of pencil cases needed to hold 10 thousand pennies. Show your work. 2 Estimate the height of a stack of 50 thousand pennies. Show your work.
*October 17, 2012 by amy*

**Math**

1. Write the place name for the 4 in the following number: 3,624,786 Answer: Thousand 2. Round the following number to the nearest ten: 53 Answer: 5 3. Find the sum of the following problem: 2,168 + 305 Answer: 2473 4. Estimate the sum of the following problem to the nearest ...
*July 1, 2012 by Silika*

**geometry**

Find each measure using the given measures of triangleXYZ. Round angle measures to the nearest degree and side measures to the nearest tenth. Find measure of angle Y if y= 7,z=11,and the measure of angle Z=37.
*October 18, 2010 by tracy*

**Math**

Amy paid $84.46 for a pair of running shoes during a 25% off sale. What was the regular price? Round to the nearest cent?
*October 18, 2008 by Jessica*

**Math**

Can someone please help me with this question? Evaluate the numerical expression on a calculator. Round your answer to the nearest whole number. 34*15 364 ----- * --- 5 52
*June 17, 2009 by B.B.*

**Geometry **

Find the circumference of a circle whose diameter is 2xR=4.2 ft. Use Pi = 3.14, and round the result to the nearest tenth. would this be 3.14*2*4.2ft?
*September 10, 2009 by Jenny *

**math**

Calculate the area of each composite figure.round to the nearest square unit, if necessary. a)15mm, 8mm, 10mm 30mm
*January 26, 2010 by dylan*

**Math/Geometry**

Can you help me with this? Find the area of each regular polygon. Round to the nearest tenth. 1. an equilateral triangle with an apothem 8.9 inches long
*March 3, 2010 by Stan*

**pre algebra**

find the volume of each solid. if necessary, round to the nearest tenth. cylinder: radius 4.2cm, height 9cm.
*June 16, 2010 by lavena*

**Trigonometry**

Find the area of a sector, given a central angle of 240° and a radius of 15 cm. Round your answer to the nearest tenth please.
*January 12, 2011 by CJ*

**Math/Trig**

Find the length of the intercepted arc with radius 2.5 cm and a central angle of 95degrees. Round your answer to the nearest tenth.
*January 16, 2011 by CJ*

**Math/Trig**

Find the area of the sector, given a central angle of 55degrees and a radius of 5.7 in. Round your answer to the nearest tenth.
*January 16, 2011 by CJ*

**Algebra**

The polynomial function is defined by f(x)=4x^4+2x^3-8x^-5x+2. Use a calculator to find all the points (x,f(x)) where there is a local maximum. Round to the nearest hundredth.
*May 18, 2011 by Rachal*

**geometry**

a circle is inscribed in an equilateral triangle. how do you find the value of x? also have to round the answer to the nearest whole number.
*May 19, 2011 by ivette hanon*

**trig**

Solve for ¥è in the equation tan ¥è = 2.42 when 180¨¬ < ¥è < 360¨¬. Round your answer to the nearest tenth of a degree. (Enter only the number.)
*October 5, 2011 by Parker*

**college Algebra**

Find the number of years for $4800 to grow to $9400 at 6% compounded quarterly. Round to the nearest tenth of a year.
*November 4, 2011 by Anonymous*

**geometry**

I dont get this and I need help please. Find the circumference of a circle circumscribed about a square with perimeter 48 ft. ______________ft. (Round to the nearest 0.1 ft.)
*March 19, 2012 by Anonymous*

**ALGEBRA**

Find the number of decibels for the power of the sound. Round to the nearest decibel. A rock concert, 5.21 multiplied by 10-6 watts/cm2
*April 16, 2012 by Randy*

**Exponential Functions?!**

solve 9^(2x-3) > 4. Round your answer to the nearest hundredth. The part in parenthesis is up at top like an exponent. I dont' know how to do this. Please help me.
*April 21, 2012 by Tabby*

**ALGEBRA**

Fill in the blanks. (Round your answers to the nearest dollar.) Interest Principal Rate Time Future Value $437 $ 5% 8 yr $
*April 25, 2012 by Randy*

**geometry**

On a vacation, Bridget and her family traveled 225 miles at 67 mph. How long did the trip take? (Round to the nearest hundredth
*June 15, 2012 by Anonymous*

**Math**

Find the number of decibels for the power of the sound. Round to the nearest decibel. A rock concert, 5.35 10-6 watts/cm2 D =______ dB
*October 30, 2012 by Ms. Jackie*

**Mathematics**

Solve the proportion using cross products. Round to the nearest hundredth if necessary. 18. 22m/55h = 12m/h hours 48 30 45 22
*November 21, 2012 by (Prefer not to answer)*

**math,algerbra**

find circumference and area of circle use 3.14 for unknown round to nearest tenths. 2) r=11.5 3)d=3.5 show steps to solve
*December 6, 2012 by Anonymous*

**Geometry**

Find the value of x. Round to the nearest tenth. The diagram is not drawn to scale. top 11 bottom x angle between 11 and x is 22 percent.
*February 15, 2013 by Ashley*

**math**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.65 times 10^-5 watts/cm^2
*March 16, 2013 by Andrew*

**math**

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.65 times 10^-5 watts/cm^2
*March 17, 2013 by Andrew*

**statistics**

Find the standard deviation, Sigma, for the binomial distribution which has the stated values of n and p. Round your answer to the nearest hundredth. n = 639; p = 0.7
*April 14, 2013 by todd*

**math**

8 pounds of ground beef costs 23.31 what is the cost per pound? how would you round answer to the nearest cent. Can somebody help me with that.
*December 22, 2013 by cora evans*

**Algebra**

find the number of decibels for for the power of the sound given. Round to the nearest decibel. a rocket engine, 2.4 X 10 -5 watts/cm2
*February 14, 2014 by Adrienne*

**Geometry**

Determine the volume of the three-dimensional figure. When appropriate, round your answer to the nearest hundredth. 13ft 15ft 9ft
*February 20, 2014 by Boo*

**alegbra**

evaluate an ordinary annuity for A=M [1 + r over n]^nt -1 ____________ rn For m,r,t $150;80%;40 year Assume monthly payments round to the nearest cents. Thank you for your help.
*May 13, 2014 by Mary Ann *

**Algebra**

What is the expectation for the $1 bets on a U.S. roulette wheel? See the figure. (Round your answer to the nearest cent.) Three-number bet Thank you
*May 26, 2014 by Mary Ann *

**Math**

Solve the quadratic function y=2x^2-14x -16 by completing the square. Round roots to the nearest hundredth, if necessary. Show your work.
*October 30, 2014 by Alex*

**Math--1 question**

Find the mean, median, mode, and range of the data: 32, 34, 30, 35, 33, 31, 54. If necessary, round to the nearest tenth. Show your work.
*November 26, 2014 by Anonymous*

**Math emergency I have 10 minutes to submit it.**

The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.1x + 14 where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus if the market price is set ...
*April 27, 2014 by Mia*

**Math**

What place value is ten times smaller than ten millions place? A) hundred trillion B) one trillion C) hundred billion D) ten billion I think it's ones place. But that's not an option, maybe they did a typo.
*November 27, 2011 by Jazmin*

**math**

In 1992, life expectancy of males in a certain country was 72.7 years. In 1999 it was 76.5 years. E represent the life expectancy in year 1 and t represent the number of years since 1992. E(t)= [ ]+ [ ] round to nearest tenth E(13)= [ ]round to neareast tenth
*May 4, 2012 by plz help*

**statistics**

In 1980 (before the era of in-vitro fertilization), there were 3,612,258 births in the United States (according to the U.S. Census Bureau), of which 68,339 births were to twins and 1,337 births were to triplets or more. What was the probability of having multiples (twins or ...
*June 19, 2013 by f*

**physics help**

Four 1,000,000- kg masses are arranged in a square, 150 meters on a side. To the nearest ten thousandth of a Newton, what is the magnitude of the force the mass in the lower left hand corner? I'm looking for an equation and an explanation. thanks
*August 13, 2010 by Skyler*

**Math **

A savings account at Xyz bank offers 4% interest, compounded annually. How much money must I invest today in order for the account to grow to $5,000 in ten years? Answer to the nearest whole dollar.
*November 21, 2014 by Brittany *

**math 5**

estimate the number of pencil cases needed to hold 10 thousand pennies . Show your work. 2 estimate the height of a stack of 50 thousand pennies . show your work.
*October 17, 2012 by amy*

**English**

1. I was sad at the sight of the scene. 2. I was sad to see the scene. 3. I was sad when I saw the scene. (Do they have a similar meaning?) 4. Let's make it at ten. (What is the meaing of 'make it' in the sentence? Does #4 mean #5?) 5. Let's meet at ten. 6. Finally he made it...
*December 5, 2009 by rfvv*

**Physics**

If i have ten grains of sand on a flat, 8x8 chessboard, randomly distributed, what is the probabilty that all ten are on the same square?
*October 8, 2010 by Jessica*

**math**

Correction of problem submiited earlier. The amount P of pollution varies directly with the population N of people. City A has a population of 494,000 and produces 260,000 tons of pollutants. Find how many tons of pollution we should except City B to produce if population is ...
*December 17, 2011 by Kai*

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