BO
Popular questions and responses by BO
Math
A model car has a scale factor of 1/64 The diameter of a tire on the model is 0.42 inches the diameter of the tire on an actual car must be _ inches
asked on August 31, 2016 
english
sentences using similes that describe waiting for a bus
asked on February 19, 2010 
Math
Which value of k will make the lines parallel r= (1,2)+s(2,3), S e R and 12x + ky= 0? Ok so I used ratios and got k=8. Is that right? Pls n thanks! :)
asked on June 15, 2020 
Calculus
3i2j+k can be written as linear combination of which of the following vectors? a){(2,0,0,) (0,1,0,) ( 1,0,1)} b){(3,0,0) (2,0,0) (1,0,0)} C){(3,2,1) (6,4,2) (3,2,1)} d) {(1,0,0) (0,1,0) (2,0,0)} I got c) but I'm not sure if that's right bc idk if I
asked on June 16, 2020 
Math
If a rock falls from a height of 50 meters on Earth, the height H (in meters) after x seconds is approximately H(x)=504.9x^2 1. What is the height of the rock when x=1.6 seconds? 2. When is the height of the rock 5 meters? 3. When does the
asked on October 9, 2015 
physics
3. A satellite of mass 500 kg orbits the Earth with a period of 6000 s. The Earth has a mass of 5.98 x 1024 kg. (a) Calculate the magnitude of the Earth's gravitational force on the satellite. (b) Determine the altitude of the satellite above the Earth's
asked on October 15, 2012 
Physics
7. A stock person at the local grocery store has the job of 1) picking up boxes of tomatoes from the stockroom floor, 2) accelerating to a comfortable speed, 3) Carrying the boxes to the tomato display at constant speed, 4) decelerating to a stop, and 5)
asked on October 15, 2012 
Econ
Need help on this question, I tried the ones i know. a The consumption function is C = 1.5 + 0.75(YT). What is the marginal propensity to consume, MPC? What is the marginal propensity to save, MPS? ans: MPC=0.75 and MPS=1MPC=0.25 correct? b The trade
asked on July 21, 2008 
math
in circle p below the lengths of the parallel chords are 20,16, and 12. Find measure of arc AB..... the chord with a length of 20 is the diameter. the chords with lengths 16 and 12 are below the diameter torwards the bottom of the circle. arc AB is the arc
asked on May 25, 2012 
math
What is the d value of the following arithmetic sequence? 5, 2, 1, 4, 7,… A. 3 B. 3 C. 4 D. 4
asked on October 29, 2014 
Econ
Assume that initially the IS curve is given by IS1: Y = 121.5T30i+2G, and that the price level P is 1, and the LM curve is given by LM1: M= Y(1i). Initially, the home interest rate equals the foreign interest rate of 10% or 0.1. Taxes and government
asked on July 22, 2008 
Math
Americans spent an average of 13.6% of their monthly earnings on mortgage payments, whish represented a 41% decrease from the value . what percentage of monthly earnings did Americans spend on mortgage payments.
asked on October 8, 2017 
Math
In 2012 there were approximately 31,700 firearms fatalities. express this quantity in deaths per hour.
asked on September 26, 2017 
Math
Given that the Consumer Price Index was 72.6 in 1979 and 82.4 in 1980, find the inflation rate from 1979 to 1980 to the nearest hundredth of a percent.
asked on September 26, 2017 
Math
at a conference, 15% of the attendees were women. If 70 men attended the conference, how many were women?
asked on September 26, 2017 
Physics
Starting with an initial speed of 5.00 m/s at a height of 0.335 m, a 1.75kg ball swings downward and strikes a 4.40kg ball that is at rest, as the drawing shows. (a) Using the principle of conservation of mechanical energy, find the speed of the 1.75kg
asked on March 23, 2014 
math
specify the sets b roster {odd counting numbers less than 11}
asked on March 28, 2009 
Algebra
What is factoring by grouping? When factoring a trinomial by grouping, why is it necessary to write the trinomial in four terms?
asked on February 22, 2009 
Econ
What is the effect of the following shocks on the shortrun level of national output? a A fall in interest rates? b An appreciation of the Home currency? c A tax cut? d A tax cut in Foreign? e A drop in consumer confidence (consumer want to spend less)? f
asked on July 14, 2008 
Statistics
Question 1  Use the dataset InkjetPrinters.txt to answer the following questions: Data was collected on a sample of 20 different consumer inkjet printers. The dataset contains 5 different properties: Variable Description Printing rate (PPM) Printing rate
asked on February 13, 2018 
Algebra2
write an equation for each line described. Express answers in point slope or slope intercept form. A) The line perpendicular to the line x=2 passing through the point (4, 3.3)
asked on February 4, 2018 
Algebra2
the line perpendicular to 4y2x=7/3 passing through (9, 2) write an equation for each line described express answer in point slope or slope intercept.
asked on February 4, 2018 
Algebra2
if the slope of the line that passes through the given pair of points is 13, find the value of X. (1/4,1/6) and (1/3,x)
asked on February 3, 2018 
Algebra2
if the slope of the line that passes through the given pair of points is 13, find the value of X. (1/4,1/6) and (1/3,x)
asked on February 3, 2018 
Math
your receipt shows that you paid $82.83 for a shirt including sales tax. The sales tax rate is 9%. find the amount you paid in sales tax
asked on October 11, 2017 
Math
in a survey of 900 people, 620 approved of the current mayor. Judging from this sample, what is the mayor's percentage approval?
asked on October 7, 2017 
math
calculate the relative change in population if the year is 2000 with 281.42 million population to year 2010 with population of 308.75. please help.
asked on October 5, 2017 
Math
the number of housing foreclosures in 2009 was 3.998 million, up 81% over 2007. what was the relative change?
asked on September 30, 2017 
Math
If Sam paid 109% of the price, then the sales tax rate was what %?
asked on September 30, 2017 
Math
If a price increased from $4 to $5, then the new price $5 is what % of the original price. What was the relative change in Price? ____% ________
asked on September 30, 2017 
Math
the wholesale price of the shows was 62% of their retail price. therefore the wholesale price was what % less than the retail price of the shoes?
asked on September 30, 2017 
Math
Americans consume an estimated 38 billion pounds of fresh fruit per year. Express this quantity in terms of pounds per person per month. (Use a population of 315 million)
asked on September 26, 2017 
Math
dollars per foreign = peso 0.07855 and foreign per dollar is 12.73. if gasoline is $2.10 per gallon, what is the price in pesos per liter?
asked on September 26, 2017 
Math
the interest rate on car loans increase from 8% to 9%. Although this is a rise of only 1 percentage point, you will be paying ____% more in interest on your loan. If your interest payment was $400, what would it be with the increase?
asked on September 26, 2017 
Math
If there are 325 million people in the U.S. and it is predicted that the national debt will reach $20.4 trillion. and every one was ordered to pay their equal portion of th debt, how much would you owe?
asked on September 26, 2017 
Math
a party room measures 80 feet by 60 feet. If the dance floor takes up 25% of the party room, how many square feet of floor space does the dance floor have?
asked on September 26, 2017 
Math
I am a multiple of 9 if you divide me by 8 there is 7 remaining
asked on February 21, 2017 
Precal
b^2=13^+8^22(13)(8)cos135
asked on April 7, 2016 
fractions
Kevin bought a pizza that it was 2/3 onions and 2/3 mushrooms explain why this is possible
asked on February 22, 2015 
calculus
h(t) = 1/3t^3 + 4t^2 + 20t +2, f or > 2
asked on February 23, 2014 
programming c#
how do I Write a two class application that has a onedimensional array as a data member. The array stores temperatures for any given week. Provide constructors for instantiating the class and methods to return the highest temperature, lowest temperature,
asked on October 2, 2013 
Algebra 1
I have to get this last problem done it's for my project here's the problem: solve by completing the square method x 2 12x =11
asked on May 2, 2013 
Algebra
A state's license plates consist of four letters followed by three numerals, and 241 letter arrangements are not allowed. How many plates can the state issue?
asked on March 6, 2013 
Math
What is the maximum broadcasting from a radio tower 1800 feet tall( approximately 0.34 mile)? The radius of Earth is approximately 3960 miles, and you can assume the ground around the tower is nearly flat. Round your answer to the nearest 10 miles.
asked on February 16, 2013 
A2T
From 19711995 avg # transistors modeled by n=2300(1.07)^t, where t is # of years since 1971. Estimate # of transistors in 1998 (round to nearest integer) Does anyone know how to set up this equation?
asked on February 6, 2013 
A2T
From 19711995 avg # transistors modeled by n=2300(1.07)^t, where t is # of years since 1971. Estimate # of transistors in 1998 (round to nearest integer) Does anyone know how to set up this equation?
asked on February 6, 2013 
Anthropology
What are economic aspects of globalization?
asked on December 7, 2012 
math  algebra 1
have 5 problems they are simplifying and write standard form #1 (5c9)(5c+1)
asked on September 12, 2012 
math
What is 30 inches increased by 30%?
asked on March 7, 2012 
Chemistry
how to calculate number calories to heat 285 grams h2o
asked on February 8, 2011 
math/science
If a fish can swim short distances at 48km/h, how long would the fish take to reach a smaller fish that is 3m away?
asked on January 27, 2011 
math
Two rational numbers with the sum of 1, product of 6/25 and quotient of 6. ( I have been working on this for a long time but I can't figure it out!)
asked on February 8, 2010 
Science
Explain why every substance has a characteristic density, but no substance has a characteristic mass.
asked on February 3, 2010 
Historical Lit Classic
Has anyone here either read Herodotus' The Histories or gained a familiar with what recent scholars have written about them? What has academia explored within the last few decades in major journals that would be worth investigating?
asked on November 22, 2009 
science
is the Paricutin volcano in mexico still active?? please help me!!
asked on June 6, 2009 
science
is the Paricutin volcano in mexico still active??
asked on June 6, 2009 
science
what type of spectrum does the sun emit? where does nuclear fusion in the sun occur? if a star begins its evolution with 10 times the mass of the sun, but ends up with 2 times the mass of the sun, what type of object does it form?
asked on March 30, 2009 
DQ
What is factoring by grouping? When factoring a trinomial by grouping, why is it necessary to write the trinomial in four terms?
asked on February 22, 2009 
math
g(x)=2x²+2x+4 find zeros of the polynomial function
asked on November 24, 2008 
math
f(x)=3x²14x=24 find the zeros of the polynomial function
asked on November 24, 2008 
math
s²6s+8=0
asked on November 24, 2008 
math
f(x)=x²+6x+27
asked on November 24, 2008 
Chemistry
what other acid indicators are there other than phenolphthalein? Are there any better indicators than phenolphthalein?
asked on October 16, 2008 
Calculus
If d/dx(f(3x^5))=9x^4, find f'(x) I can't figure out what this means
asked on October 7, 2008 
Organic chemistry
How many stereogenic carbon atoms does the alkaloid morphine have?
asked on July 24, 2008 
Economics
I need help on some T/F questions. 1. A decrease in the foreign interest rate results in a shift to the left by the IS curve. 2. Home's trade balance surplus must increase as a result of a decrease in Home's interest rate. 3. Since investment I is a
asked on July 19, 2008 
Algebra
solve and answer in interval notation (x+2)(x1)(x10)>0 x+2=0 x1=0 x10=0 x=2 x=1 x=10 answer: (0,2)(1,0)(10,0)
asked on April 3, 2008 
Algebra
[x(6+sqrt13)][x(6sqrt13)] (x+6+sqrt13)(x+6sqrt13) (x+6+sqrt13)(x+6+sqrt13) (x^2+12x+36sqrt13^2) x^2+12x+36sqrt13^2 x^2+12x+36(13) x^2+12x+3613 I think my answer is: x^2+12x+23
asked on April 3, 2008 
Economics
consumption function, C=5+0.75*(YT). Y is,national income and T is government taxes. a What is the marginal propensity to consume? b If disposable income is 100, what are consumers' savings? c What form might a "consumption shock" take given the structure
asked on July 11, 2008 
Math
There are 8 people on one side of a river. They have a raft to help them get to the other side. There is a father and his two sons, a mother and her two daughters, a policeman and a thief. Everyone must cross the river, but you must follow the rules: *
asked on September 29, 2007 
math
3 MEN GO INTO A MOTEL. THE MAN BEHIND THE DESK SAID THE ROOM IS $30, SO EACH MAN PAID $10 AND WENT TO THE ROOM. A WHILE LATER THE MAN BEHIND THE DESK REALIZED THE ROOM WAS ONLY $25, SO HE SENT THE BELLBOY TO THE 3 GUYS' ROOM WITH $5. ON THE WAY, THE
asked on June 7, 2007 
math brain teaser
Here are you a brain teaser. You have to buy at least on of every bird when you are done you will have 100 birds for $100.00 $.05 for Biddie $1.00 for Hen $5.00 for Rooster 19 roosters, 1 hen, 80 biddies
asked on April 10, 2007

Math
I did this (used ratios) 3/2=12/k and got k=8
posted on June 16, 2020 
Calculus
I followed a tutorial on yt it used matrices but like I have not done that before so like I'm not even sure if I'm on the right track here. And I was thinking it could be b){(3,0,0) (2,0,0) (1,0,0)} but then wouldn't the 2 be like this:(0,2,0)? Since
posted on June 16, 2020 
Math
5 is not 100 it is 600 but all the other answers are correct from 404
posted on April 27, 2020 
Algebra
nutty is that right bro? thanks
posted on March 6, 2020 
Language Arts
hey yall is wrong do not trust him or her, i got a 100% by going with I GOT ALL WRONG.
posted on January 8, 2020 
Art
C,A,B IS RIGHT I GOT A 100%
posted on December 20, 2019 
Science
THAT GUY IS RIGHT I GOT A 100% ON MY TEST
posted on December 19, 2019 
Language
my grade bruhhh
posted on December 17, 2019 
Language
if your in connexues do not follow unspeakable he got me 4/14
posted on December 17, 2019 
s.s
1. B to stop the advancement of white settlement. 2. C goto trade with France but not with Britain. 3. B Britain had a much larger navy than U.S D the US had a small army compared to Britain. 4. A Tecumseh death
posted on December 5, 2019 
Math
Thanks for helping me with my homework Ms.Sue
posted on September 12, 2018 
Algebra2
will you please explain it more
posted on February 4, 2018 
Algebra2
I dont get what to do
posted on February 3, 2018 
algebra 1
A very old vending machine accepts only nickels (n) and dimes (d). Candy costs up to $0.50, but sometimes the machine will dispense candy without any coins being inserted into the machine. Which inequality shows all of the ways to obtain a candy bar from
posted on November 15, 2017 
math
thank you
posted on October 6, 2017 
Math
thanks Bobpursley
posted on September 30, 2017 
Math
i came up with 10 pounds per person per month.
posted on September 26, 2017 
Math
thank you, i also got the same answer. :)
posted on September 26, 2017 
Math
thank you so very much.
posted on September 26, 2017 
Math
what is the increase in $400.00
posted on September 26, 2017 
Math
please explain to me how you got the answer.
posted on September 26, 2017 
Math
thank you so much.
posted on September 26, 2017 
Math
62.76923077 ?
posted on September 26, 2017 
Math
1200 sq ft.
posted on September 26, 2017 
Math
$17,592.59 ?
posted on September 26, 2017 
Math
thank you.
posted on September 26, 2017 
Math
12.3
posted on September 26, 2017 
The End of the Cold War
Roman lol I know u
posted on May 8, 2017