# suppose a map is scaled so that a half inch represents 25 miles. how many inches of the map represents 87 1/2 miles?

35,906 questions, page 126-
## Physical Science

If a person is traveling at a rate of seventy five miles per hour in a straight line, how far would they travel in three seconds?

*asked by J on February 1, 2011* -
## Pre-calculus

As you drive down a mountain, you see a sign that says there is a 6 degree grade over the next 5 miles. What is the change in elevation over that 5 mile stretch?

*asked by Natalie on May 22, 2013* -
## math

When James drove to a concert last night, it took him 3 hours and 30 minutes. He averaged 60 miles an hour on the way there. How far did he drive one way?

*asked by lulu on December 19, 2013* -
## math

area of 540,000 square miles holds population of 64.1 million calculate the density

*asked by wele on May 18, 2016* -
## math

Find the unit rate. Round to the nearest tenth. 344 miles in 11 hours i try and try i still don't get it please anybody could help me please =(

*asked by Alexa=( on November 30, 2012* -
## Unit Rates

Find each unit rate. - 20 mi in 5h - 78 mi on 3 gal Please and Thank-you I need HELP!!!!!!!!!! same answer as I gave to Janie 400 miles in 5 hours

*asked by Janbowier on January 10, 2007* -
## Math

1. I think your site is great. 2. The question I am having trouble with is: Explain how to write 20 miles/ 4 hours as a unit rate. Thank you.

*asked by Savvy on August 30, 2010* -
## Algebra

Two planes, which are 2660 miles apart, fly toward each other. Their speeds differ by 65 mph. If they pass each other in 4 hours, what is the speed of each?

*asked by Anonymous on February 3, 2016* -
## science

Describe what happens to the electricity produced at 25kV by a power station when its transmitted to a house at 230 V many miles away.

*asked by sabrina on March 15, 2015* -
## Math

The diameter of the bicylce tire is 27inches.How many times will Kai'S wheels have to turn to cover 1 miles?

*asked by Katilyn on October 7, 2008* -
## physical science

A satellite that is 4175 miles from the center of the earth, orbits with a period of 90 minutes. What is its centripetal acceleration?

*asked by Jay on October 6, 2011* -
## Math

Lin ride her bike 20 miles in 15 minutes. If she rode at constant speed what is the unit rate and how do you know ?

*asked by Anabelle on September 15, 2013* -
## math

allowing $150 for office move. Rental truck is $70 and $1.60 a mile. how many miles can be driven, and not go over budget

*asked by lori on August 11, 2011* -
## Physical science

A satellite that is 4175 miles from the center of the earth, orbits with a period of 90 minutes. What is its centripetal acceleration?

*asked by Jay on October 6, 2011* -
## math

The land area of a country is about 5.0million square miles, and the population is about 700 million people.wh

*asked by verkesia on July 3, 2012* -
## IT

Can anyone tell me which WIMAX system you would use for last mile broadband ? with a link to a town the miles away ??? Mobile or fixed ??? Thnks

*asked by Allan on June 28, 2011* -
## Math

The track at Bronwyn's school is 1/4 mile around.If she can do 3 laps in 4 1/2 minutes,how fast is she running in miles per hour

*asked by Veany on November 9, 2016* -
## college

After you work out at the gym on a stationary bike for 43.0 minutes, the distance guage indicated that you have traveled 14.8 miles. What was your rate in km/hr?

*asked by Sasha on September 20, 2010* -
## math

LeanNE walks at an average speed of 3 1/3 mph. How far does she walk in 2hrs 15 minutes? 10/3 × 9/4 == 90/12 would equal 7 1/2 miles

*asked by Michael on April 16, 2015* -
## physics

1) How many seconds does it take a car traveling 40 mph, decelerating at a rate of 7 miles per second, to come to a complete stop? 2) How many feet?

*asked by Paul on November 20, 2014* -
## math

Kyra drove to visit her friend. She traveled 144 miles in 2 5/8 hours. What was her average speed?

*asked by judy on September 14, 2012* -
## Math

The track at Bronwyn's school is 1/4 mile around.If she can do 3 laps in 4 1/2 minutes,how fast is she running in miles per hour

*asked by Veany on November 9, 2016* -
## science

After you have worked out at the gym on a stationary bike for 44.0 minutes, the distance gauge indicates that you have traveled 16.1 miles. What was your rate in km/hr?

*asked by Jim on September 20, 2012* -
## algebra

A car be rented for $55 per week plus .25 per mile. How many miles can driven if you have at most $280 to spend for weekly transportation?

*asked by Anonymous on October 16, 2014* -
## algebra

two planes which are 1695 miles apart fly towards each other,their speeds differ by 65 mph,if they pass each other in 3 hours, what is the speed of each

*asked by tammy on February 26, 2015* -
## pre Algebra

Sam traveled 570 miles in 8.5 hours. Find the unit rate to the nearest hundredth.

*asked by crazy horse on June 5, 2010* -
## math

If I drove 416 miles per hour at a an average speed of52 and I left at1:00 when should I arrive ?

*asked by Anonymous on November 29, 2015* -
## math

Giita walks 2 1/2 miles in one hour. How much time does it take her to walk 7miles. Round the answer to the nearest second.

*asked by emmy on November 19, 2012* -
## Math

Truck driver drives 980 miles in 34 hours. What’s his average mile per hour and how do I figure it out?

*asked by Kimmm on January 26, 2018* -
## Math

A bicyclist travels 20 miles per hour. How long would it take the cyclist to finish a 120 mile race?

*asked by NeedHelpMath on February 20, 2012* -
## chemistry

What is the wavelength of a ball that is 25.0 g traveling at 90.0 miles per hour (40.2 m/s)? I tried solving it by using c = wavelenth* frequeny but i get the wron answer

*asked by Sandra on April 9, 2009* -
## English

How many stanzas are in the poem lines composed a few miles above tintern abbey. By William Woodsworth I think 120 but i am not sure.

*asked by KK on December 18, 2016* -
## math

a plane flew for 4hrs, 30 miles per hour and an adverge speed of 515 mph how far did it fly?

*asked by lily on September 17, 2014* -
## Math

Your older sister drove 500 miles to college one way in ten hrs what was her average velocity

*asked by Andre on December 6, 2017* -
## Physics

An automobile tire is rated to last for 50000 miles. To an order of magnitude, through how many revolutions will it turn over its lifetime?

*asked by Anonymous on October 3, 2012* -
## algebra

a plane covered a horizontal distance of 15 miles while following a flight path with a slope of .25. how much altitude did it gain?

*asked by lexington on February 12, 2013* -
## microekonomics

Suppose the income elasticity of demand for a food is 0,5 and the price elasticity of demand is -1,0. Suppose also that Felicia spends $10,000 a year on food, the price of food os $2 and her income is $25,000

*asked by suhaimi hishan on October 19, 2013* -
## algebra can somecheck my answers

please check my answer thank you Write the phrase “the quotient of 3 more than a number, and 3 less than that same number. “ (x+3/(x-3) . It is estimated that the Earth is losing 4000 species of plants and animals every year. If S represents the number

*asked by keauanna on November 27, 2007* -
## Math

In 1997, a typical American consumed 52 liters of bottled water, and in 2001, a typical American consumed 74 liters of bottled water. Let y be the number of liters of bottled water consumed by a typical American in the year x, where x = 0 represents the

*asked by Shelly on March 8, 2014* -
## CALCULUS ECONOMICS

Consider an economy in which a monopolistic firm serves two identical, but separate markets, called A and B. The aggregate inverse demand in each market is given by 1000−q. The cost function for the monopolist is given by (qA+qB)^2, where qA andqB

*asked by Jenney on March 13, 2014* -
## Math

Kelso created the scale drawing below what is the scale factor of his drawing 1 inch equals 8 feet the rectangle is 4 feet by 12 feet

*asked by ezzy on September 22, 2016* -
## math

Thom has a scale model of his car . The scale is 1:12 . If the actual car has 16-inch weeks,what size are the wheels on the scale model?

*asked by jessica on February 1, 2015* -
## Chemistry

I have to chane the barometric pressure in my area to ATM. We have to look at the U.S. Weather map that gives the barometric pressure. I live in an area that has shows 1016 for barometric pressure. First is 1016 in millibars or what and secondly how do I

*asked by Hannah on May 18, 2010* -
## math

Birbal, the wise one among Emperor Akbar’s courtiers, is known to have solved several taxing conundrums to the satisfaction of everyone concerned. The sons of a well-known merchant once approached Birbal with a peculiar problem which they could not

*asked by gayathri on August 13, 2016* -
## 4th grade

In these addends, each letter represents a single digit. Find the numbers. CENT + CENT SCENT _______ 35128 I don't know if I have to use any number in this problem to addition. Can you help me? thanks

*asked by gianina on December 15, 2009* -
## Math Please help!!

2. Mrs. Whimsey’s class is having a pizza party. If there are 16 students and 4 pizzas cut into 8 slices, what answer choice represents the fraction of one pizza each student receives? a) 1/3 b)1/16 c)1/4 d)1/8 Please help :)

*asked by Esther on October 23, 2012* -
## Algebra

Write and solve an equation that represents the following situation 35 people paid a total of 245 for admission to a local soccer game. What is the price of admission. Please help im stuck.

*asked by Katy on September 2, 2018* -
## books

i read the book in cold blood and i need to do an essay in which i Choose a 1-2 page passage from the text that represents Capote’s attitude toward his audience.and then i need to analyze how he conveys this attitude. Any help please?

*asked by steve on September 5, 2012* -
## Math

The displacement, y of a mass attached to a spring is modeled by this equation in cosine, where t is the time in seconds. Which expression represents the displacement using only the sine function? y(t) = 9.6cos(2pi/6(t) - pi/2)

*asked by Bri on February 26, 2019* -
## Chemistry

Nacl(s)+ HCl---->H20 +NaCl(aq) delta H(amouint of energy aborbed by the solution is 4263.6J) Is it okay to say that H2 represents the heat evolved to neutralize 2g of NaOH with an acid

*asked by Ade on May 6, 2010* -
## Business

Think about all of the many products you can purchase today. Identify one product that currently represents each phase of the product life cycle, and make a brief statement about its competition, price, distribution, and promotion.

*asked by Yaya on September 29, 2017* -
## Calculus

Given vectors u= (1,-1,3) and v= (-4,5,3) find an ordered triple that represents vectors 3u-2v. a.(16,1,-7) b.(11,-13,3) c.(10,-12,1) d.(7,-7,16) I don't want you to straight up give me the answer. I need someone to teach me how to solve this problem. I am

*asked by alana on August 23, 2012* -
## English

i still be working on metaphor assignment for the fruits, i write that if tree bear fruits that represents achievement/success for writing ive written. do that make any sense?

*asked by Mohammad on April 19, 2012* -
## Math

The raw data below represents the number of children living at home in a neighborhood of 24 homes. Which measure best describes the data: mean, median, or mode? Calculate all and explain. 2,1,3,0,4,4,1,2,0,6,2,2,5,0,2,3,3,1,1,4,2,0,1,4

*asked by Asa on April 5, 2018* -
## algebra math!

Equation problem for - the ratings for the tv show I Want to Be a Rockstar dropped a total of 9 points in 6 weeks. What national number represents the average change in points per week?

*asked by Olliver Lanning on June 1, 2014* -
## Math Graph

In polar coordinates, the graph r=sin(θ)/cos^2(θ) represents the function y=(a_n)*x^n+(a_(n−1))*x^(n−1)+…+a_0 in Cartesian coordinates, where n is a positive integer and (a_i) are real numbers. What is the value of n?

*asked by Crow on June 21, 2013* -
## Math

The raw data below represents the number of children living at home in a neighborhood of 24 homes. Which measure best describes the data: mean, median, or mode? Calculate all and explain. 2,1,3,0,4,4,1,2,0,6,2,2,5,0,2,3,3,1,1,4,2,0,1,4

*asked by Lilly on April 6, 2018* -
## 11th grade

Base your answers to the following questions using the diagram. The diagram represents R₁ and R₂ connected to constant power source of 40V. A₁, A₂, and A₃ represent ammeters.Find: A1: R1: potential difference:

*asked by Amy on January 20, 2010* -
## Math

You have a 50 cm x 50 cm card board. Squares with side length h are cut out of the corners and the sides are folded up to make a box. What polynomial represents the volume of the box formed?

*asked by Evan on June 15, 2014* -
## Algebra 2

Q: What represents the sum of a geometric series with 8 terms whose first term is 3 and common ratio is 4. A: 65,535 Is my answer right? I wasn't sure when adding up the terms versus using Sigma notation.

*asked by Bill on March 7, 2016* -
## Precalculus

A rectangle is inscribed in a circle of radius 2. Find a function that represents the area of the rectangle in terms of x. I have (x^2)(y^2)=4 Pythagorean Theorem (y^2)=4-(x^2) y=sqrt(4-(x^2)) A=bh or A=xy A=2x*2sqrt(4-(x^2)) Is this correct or what am I

*asked by Clair on June 25, 2014* -
## algebra math

Equation problem for - the ratings for the tv show I Want to Be a Rockstar dropped a total of 9 points in 6 weeks. What national number represents the average change in points per week?

*asked by oliver lanning on June 2, 2014* -
## electromagnetism

#5 (5 points possible) Two identical solenoids are merged as shown in the figure. Which plot best represents the y-component of the magnetic field as it varies along the x-axis? Treat them as ideal solenoids.

*asked by JuanPro on April 14, 2015* -
## math

An airplane leaves Skyharbor airport at 8:30 PM. His average flight speed is 585 mph. He travels at 43 degrees east of north. The first half of his flight he encounters a cross wind of 72 mph at a direction of 70 degrees west of north. The second half of

*asked by Joe on May 10, 2019* -
## algebra

At an auto show, a car dealer asked the first 10 visitors their ages and the kinds of cars they own. The Venn diagram shows the details. A Venn diagram titled Ages of Car Owners, indicating the ages of owners of each type of car. Each of the three circles

*asked by Anonymous on July 18, 2012* -
## Math

Yvonne had 25 stamps. She used 20 of them. Which represents the portion of the stamps she used. 0.4. 4/5 60% or 15/20

*asked by Ledian Gonzalez on August 22, 2015* -
## math

each variable represents one number. find the value of each variable. x+4=9 3+y=x

*asked by stephanie on August 30, 2011* -
## Algebra 2 help please

Which represents the reference angle for 2pi/3? A. 2pi/3 B. pi/3 C. pi/4 D. pi/6

*asked by Kirston on May 13, 2014* -
## A

What is the translation of: The product of 32% of some number (q represents some number)?

*asked by C on April 14, 2008* -
## math

How can you tell if an equation of a relation represents a linear relation?

*asked by I NEED HELP NOW!!:) on November 10, 2010* -
## alg

Which expression represents the sum of the following? (5)/ (2t + 1) + (-1) / (4t^2 + 4t + 1) a) 10t + 4 / (2t + 1)^2 b) 4 / (2t + 1)^3 c) 4 / 4t^2 + 6t + 2 d) 10t + 1 / (2t + 1)^2

*asked by sean on July 6, 2010* -
## Algebra - equation

What equation represents a line parallel to the line given by y-3x=6?

*asked by randi on May 18, 2009* -
## algebra 1

Look at the pattern that follows. Which expression represents this pattern algebraically? 8, 17, 26, 35, 44, …

*asked by mark on November 27, 2013* -
## alg

Which expression represents the sum of the following? 5 / 2t + 1 + -1 / 4t^2 + 4t + 1 a)10t + 4 / (2t + 1)^2 b) 4 / (2t + 1)^3 c)10t + 1 / (2t + 1)^2 d) 4 / 4t^2 + 6t + 2

*asked by sean on July 3, 2010* -
## art

this piece of art primarily represents art that

*asked by eric on October 6, 2016* -
## one more elgebra problem...

which equation represents a line parallel to the line given by y-3x=6? A. y= -3x+4 B. y= 3x-2 C. y= 1/3x+6 D. y= -1/3x+4

*asked by randi on May 18, 2009* -
## Math

A builder wants to make a model of a tower. The scale of the model is 1/2 in. : 2 ft. What will be ther height of the scale if the tower is 175 ft? well, 175/2=? then times 1/2 inch= your answer

*asked by Rachel Cox on January 23, 2007* -
## math

the scale listed on the box containing a model ship is 1 inch to 8 feet. which proportion can be used to find the actual length of the ship if the length of the model is 5 feet

*asked by Maria on March 27, 2015* -
## math

A 24-inch piece of string is cut into two pieces. One piece is used to form a circle and the other is used to form a square. How should the string be cut so that the sum of the areas is a minimum?

*asked by shannon on September 30, 2008* -
## algebra 1

A Fisheye lens has a minimum focus range of 13.5 centimeters. If 1 centimeter is equal in length to about 0.39 inch what is the minimum focus range of the lens in feet

*asked by kamryn on October 15, 2015* -
## Algebra 1A

1. b.Between the years 1975 and 2000, do women or men have the greater life expectancy? Answer c.Explain using slope: is the life expectancy of men or women increasing more rapidly? Answer 2.Using the given equations above for the life expectancy of men

*asked by C-GUTTER on December 18, 2009* -
## Geometry

It is recommended that for a height of 20 inches a wheel chair ramp be 19 feet long. What is the value of x rounded to the nearest tenth? (Hint : All units must be the same)

*asked by Anonymous on February 13, 2016* -
## normal population

The heights of 8 fourth graders are listed in inches: {50, 51, 55, 52, 59, 54, 54, 53}. Find the mean, median, mode, variance, and range. Also, do you think this sample might have come from a normal population? Why or why not?

*asked by Anonymous on December 17, 2009* -
## math

The perimeter of rectangle ABCD is 256 inches. Its length is 3 times as long as its width. Find the area of triangle ABC

*asked by chantel on January 22, 2014* -
## Math

The diameter of a lead pipe is measured to be 2.40 cm and you are asked to convert to units of inches. Which of the following conversion factors can you use to solve this problem? 12 in = 1 ft 100 cm = 1 m 3 ft = 1 yd Two of the these ?>None of these

*asked by Jakey on January 10, 2013* -
## math

The perimeter of rectangle ABCD is 256 inches. It's length is 3 times as long as its width. Find the area of triangle ABC.

*asked by zach on February 14, 2012* -
## statistics

The heights of young women are approximately normal with a mean 64.5 in and a standard deviation of 2.5 in. What is the probability that a woman chosen at random is taller than 63.6 inches?

*asked by Lynn on August 14, 2012* -
## math

I don't think my first response went thru...so reposting! Thank You Ms. Sue, for the answer to cubic inches (11/16/14). It also made me realize that I skipped the step of multiplying the dimensions by each other.

*asked by Matt on November 18, 2014* -
## geometry

The perimeterof a square is 32 inches. Find the lenght of its diagonal. the answers should be in simplest form. make a sketch and show work.

*asked by rob on March 21, 2012* -
## geometry

Find the area of the smaller segment whose chord is 8" long in a circle with an 8" radius. (3.14) A=( pie - / )inches^2 please help me i don't understand this problem

*asked by yelena on January 26, 2011* -
## algebra

During the month of february, the depth,d, of snow in inches at the base of one ski resort can be approximated by adding 7 to twice the number of days, t, since Jan. 31.

*asked by jessica on February 10, 2011* -
## math

What are the values of surface area and volume of a triangular prism, whose base is an equilateral triangle of side 6 inches and whose height is 1 foot?

*asked by Anonymous on October 18, 2013* -
## Solid Mensuration

The diagram is formed from 6 identical closed -packed circles. If the height of the figure is 2 feet, find the radius of each circle in inches.

*asked by Joy on April 30, 2016* -
## hialeah campus

Assume that women's heights are normally distributed with a mean of 63.6 and a standard deviation of 2.5 a) If 90 woman is randomly selected, find the probability that they have a mean height between 62.9 and 64.0 inches.

*asked by Anonymous on July 6, 2016* -
## Math

Find the value for k in the equation w kh3 for a baby who is 20 inches long and weighs 6 pounds? Is it significantly fatter in proportin to its height than an adult?

*asked by Unknown on October 20, 2009* -
## Math

The diameter of a lead pipe is measured to be 2.40 cm and you are asked to convert to units of inches. Which of the following conversion factors can you use to solve this problem? 12 in = 1 ft 100 cm = 1 m 3 ft = 1 yd Two of the these ?>None of these

*asked by Jakey on January 10, 2013* -
## chemistry

what is the half reactions for C12H22O11+ 8KClO2 => 12CO2 + 11H2O + 8KCl

*asked by Laura Lyn on May 3, 2011* -
## trig

how to do the calculation while taking 'A' as 15 in the half angle formula used for calculating the value of sin 7.5 ?

*asked by Anonymous on October 17, 2010* -
## chemistry

write the two half-reactions for the reduction of nitrate to nitrite using Cd2+

*asked by josh on April 22, 2010* -
## college physics

Hi given you have a half-wave rectifier and you know alternating current = VSin2(pi)fT, how do you calculate V(o)t?

*asked by Mike on July 23, 2010*

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