Friday

September 30, 2016
Total # Posts: 116

**math 102**

a box of light bulbs contains 95 good bulbs and 5 bad ones. if 3 bulbs are selected at random from the box, what is the probability that 2 are good and 1 is bad

*April 27, 2016*

**math**

1. A farmer has 100 acres of land on which she plans to grow wheat and corn. Each acre of wheat requires 4 hours of labor and $20 of capital, and each acre of corn requires 16 hours of labor and $40 of capital. The farmer has at most 800 hours of labor and $2400 of capital ...

*February 25, 2016*

**math101**

Solve for x. The solutions in interval notation are of the form (a, b). State a. (Enter an exact number.) abs(3 x + 15) < 30

*October 12, 2015*

**Math 101**

A bus traveled on a straight road for 3 h at an average speed that was 15 mph faster than its average speed on a winding road. The time spent on the winding road was 4 h. Find the average speed on the winding road if the total trip was 220 mi

*October 7, 2015*

**Math**

you receive a $30 gift card to a shop that sells fruit smoothies for $3. if you graph an equation of the line that represents the money, y, remaining on the card after you buy x smoothies, what will the y- intercept be? will the line rise or fall from left to right? explain

*November 7, 2013*

**Math**

Simplify the expressions (ab^2c)^-1 / a^8b^2c^-4b^3

*September 14, 2013*

**Math**

thanks i got 2, too. 5^x + 10 = 15

*September 11, 2013*

**Math**

4^x-1=64

*September 11, 2013*

**Pre-Calculus**

there isn't any 8x it just say solve for x

*September 11, 2013*

**Pre-Calculus **

3x^2 + 8 = -4

*September 11, 2013*

**Physics**

Thank you

*August 22, 2013*

**Physics**

thank you, is this related to the doppler effect

*August 22, 2013*

**Physics**

Astronomers find that light emitted by a particular element at one edge of the Sun has a slightly higher frequency than light from that element at the opposite edge. What do these measurements tell us about the Sun’s motion?

*August 22, 2013*

**financial alg**

Forrest purchased a car for $20,640. He made a down payment of $2,440. He applied for a five-year installment loan with an interest rate of 10.4%. What is the total cost of the car after five years?

*May 12, 2013*

**statistics **

A test has 1 true false question and 2 multiple choice questions(A B C D). Draw a tree diagram and determine the sample space for the possible ways to answer the test.

*May 5, 2013*

**math**

of the pupils in a class, 12 like both pizza and chicken, 19 like pizza and 3 like neither pizza nor chicken, how many like chicken?

*April 30, 2013*

**math**

Simplify: 2x^3y^2+ 4x^2z / 2x^4

*April 23, 2013*

**Math**

Simplify: 2x^3y^2+ 4x^2z / 2x^4 im sorry the equal sign was suppose to be a plus

*April 22, 2013*

**Math**

Simplify: 2x^3y^2=4x^2z / 2x^4

*April 22, 2013*

**math**

(-9x^3+3x^2-15x)?(-3x)

*February 18, 2013*

**math**

5670 is invested at a anual intrest rate 3.5% for one year. if the intrest is compounded semiannually then the polynomial P(1+r/2)^2 represent the value of the investment after one year

*February 18, 2013*

**math**

28x to the 5 power w to the 2 power and 13v x w to the 3 power

*February 18, 2013*

**math**

compouned semiannually P dollars is invested at annual rate. r for 1 year. If the intrest is compounded semiannually then the polynomial P(1+r/2)by the second power represent the value of the investment after 1 year. Rewrite this expression without parentheses. Evaluate the ...

*February 15, 2013*

**math**

the area of a rectangular field is 5301yd2 if the width of the field is 57 yards, what is the length

*February 13, 2013*

**math**

Deandre rented a truck for one day. There was a base fee of 16.99 , and there was an additional charge of 78 cents for each mile driven. Deandre had to pay 160.51 when he returned the truck. For how many miles did he drive the truck?

*February 12, 2013*

**Math**

6/2 ( 1+2)

*January 3, 2013*

**math**

6x+5y =31 ; x=-4

*September 15, 2012*

**Spanish **

¿Cuando usas tu la computador? write this in third person using a friend.

*May 27, 2012*

**math**

solve the inequality j/-3 < -3

*May 24, 2012*

**Math**

write y-3=-5(x+1) in slope-intercept form ?

*May 23, 2012*

**Math**

write the equation of the line with slope 2 that passes through the point (-1,5)

*May 23, 2012*

**Math**

write the equation of the line with slope 2 that passes through the point (-1,5)

*May 23, 2012*

**Algebra 1**

1000=2x500 1000=4x250 1000=5x200 dont none of them work

*February 22, 2012*

**Algebra 1**

1. m^2 - 7m - 30 2. z^2 + 65z + 1000 3.x^2 - 45x + 450 4.d^2 - 33 d - 280

*February 22, 2012*

**math**

thanks , i get it now but can you explain number 2 please

*February 22, 2012*

**math **

factor the trinomial. 1. m^2-7m-30 2. z^2+65z+1000 3.x^2-45x+450 4.d^2-33d-280

*February 22, 2012*

**Algebra 1**

(x+1/8)(x-9/8)

*February 9, 2012*

**math**

(3x+4)|(2/3x+1)

*February 9, 2012*

**MATH**

what ? can you explain this please ?

*January 30, 2012*

**MATH**

-3√5 - √6 - √5 =

*January 30, 2012*

**math**

-2√20 + 2√18 - 2√5

*January 30, 2012*

**math**

-3square root of 2+ 3square root of 20-3square root of 8

*January 30, 2012*

**math**

3square root of 18 + 3 square root of 12 + 2square root of 27 =

*January 30, 2012*

**Algebra 1**

-3√18+3√8-√24

*January 30, 2012*

**Algebra 1**

-square root of 27 - 3square root of 45-square root of 20+2square root of 45

*January 30, 2012*

**math **

simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2

*September 27, 2011*

**math**

simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2

*September 27, 2011*

**math**

simplify the following problems. show all work 1) -1[-2(-3)^3]^2 2) -3{3-2{10-3(-2)^2}^2]^2 3) -3[4-7(-3-5)]-(-5)^2

*September 27, 2011*

**SAT algebra**

Reiny was right until 4th line up from the bottom. when you divide -x out, the equation should read k+8=+5k, not negative. thus, k would become 2, not -4/3 which leads us to m= 16

*September 24, 2011*

**math**

use the distributive prperty to rewrite the expression without parentheses. 1. (-2a)(a+7) 2. (-3x)(-x^2+2) 3. (2x + 11)(5x) 4. (-2-3y)(-7y^2 5. (t-4)(-2) 6. (x)(x-5)

*September 19, 2011*

**Algebra **

use the distributive prperty to rewrite the expression without parentheses. 1. (-2a)(a+7) 2. (-3x)(-x^2+2) 3. (2x + 11)(5x) 4. (-2-3y)(-7y^2 5. (t-4)(-2) 6. (x)(x-5)

*September 19, 2011*

**Math **

thanks':) and how do you Convert 0.257 grams to centigrams ?

*September 5, 2011*

**Math **

how do you convert 1000 milligrams to grams ?

*September 5, 2011*

**Spanish**

What does De donde eres? Mean

*October 27, 2010*

**us history**

the ideALs of the athenian state, roman law, and the mayflower compact contributed most significantly to the groth of the priciples of???

*October 20, 2010*

**math**

What is the simplified form of x-[5-3{2x-3(xt2)}]

*October 20, 2010*

**Math**

Thanks

*October 13, 2010*

**Math**

Evaluate the expression using mental math. Justify each of your steps. 1) 4(19)(-25) 2) 17+32+23

*October 13, 2010*

**Math**

Ok Thanks For All The Help

*August 31, 2010*

**Math**

120 160 So you got to do the same thing for 25 and 30

*August 31, 2010*

**Math**

Its one that has a story to it and those are the ones i do not get! It Say Maddie earns $8 per hour. Write an algebraic expression to evalute how much money Maddie will earn if she works for 15, 20, 25, or 30 hours.

*August 31, 2010*

**math**

are you talking about post a new question

*August 31, 2010*

**math**

Im In The 8th Grade

*August 31, 2010*

**math**

Ok Thank Yall i Get It Now Its one that has a story to it and those are the ones i do not get! It Say Maddie earns $8 per hour. Write an algebraic expression to evalute how much money Maddie will earn if she works for 15, 20, 25, or 30 hours.

*August 31, 2010*

**math**

So Its 7-(2*x)

*August 31, 2010*

**math**

Oh i get it any number beside the parentheses is multiplication so if it says 7 minus the product of 2 and x Product Means To Mulitiply. so my answer will be (2-x)7

*August 31, 2010*

**math**

Ok So 10*(d-3)

*August 31, 2010*

**math**

You Got To write an ALGEBRAIC EXPRESSION! 10 times the difference of d and 3 Is: (d*3)-10

*August 31, 2010*

**math**

Because of Its Whole Number Like 5 Is greater than 4

*August 30, 2010*

**Math**

10 times the difference of d and 3 Is: (d*3)-10

*August 30, 2010*

**Math**

Sorry My Little Sister keep Doin That! So Its 11(s+3)

*August 30, 2010*

**Math**

(s*3+5

*August 30, 2010*

**Math**

Oh i get it! The sum of 11 times s aqnd 3? Answer Is: (Sx3)+5

*August 30, 2010*

**Math**

3b+5

*August 30, 2010*

**Math**

3 times the sum of b and 5

*August 30, 2010*

**Math**

1 more than the quotient of 21 and b? And How Did You Get That Answer

*August 30, 2010*

**Math**

No Its Just (6 less than twice x) And We Got To Write It In Algebraic Expression

*August 30, 2010*

**Math**

It Say To Write An Algebraic Expression For Each Word Phrase. 1.6 less than twice x

*August 30, 2010*

**algebra 1**

I dont understand why we need algebra in our lives.. like x+y=xy WFT? O.o

*August 26, 2010*

**physic**

mars once may have had an ocean 0.50 km deep. the acceleration due to gravity on mars is 0.379g, and we shall assume (unrealistically) the consisted of fresh water. a)what would be the guage pressure(in Pa)at the bottem of this martian ocean? b)what is the guage pressure (in ...

*July 20, 2010*

**Chem**

NaOH + HCl --> NaCl + H2O What is the amount of heat absorbed by water? given: mass: 102.2 grams specific heat: .9601 cal/g degrees C

*April 6, 2010*

**2nd grade**

i am a number between 20 and 30, when you put me into 6 equal groups, there is an even number in each group and 1 is left over, what number am I.

*April 5, 2010*

**english**

I want to stay that a women is a handsome women but I cannot think of another word for handsome. I do not want to put pretty etc. as this is in not what I am trying to say. Hope you can help.

*March 16, 2010*

**math**

Evaluate 96 96___ 9-6

*March 8, 2010*

**Math**

Oh Okay iGot It Right Thanks For Helpin Me!!!!!!!

*February 16, 2010*

**Math**

The Diameter Is 3

*February 16, 2010*

**Math**

Ok So If The Base Is 3in And The Height Is 4in what Will The Answer Be?

*February 16, 2010*

**Math**

Whats The Volume Of A Cylinder?

*February 16, 2010*

**Math**

What Are The Stepd In Finding The Volume Of An Rectangular Prism?

*February 2, 2010*

**Reading**

The Word Bug Has A Very Different Meaning When Referring To Computers.What Is A Bug In A Computer? A.An Insect B.An Infectioun Germ C.An Unexpected Fault D.An Alarm System

*February 1, 2010*

**Math**

What Is The Value Of -4+2

*December 19, 2009*

**math**

Is It 85 1/2

*December 19, 2009*

**math**

Oky What Is The Unit Price Of The DeterGent At Store B

*December 19, 2009*

**math**

Well I Got 0.82 Is I'm Right

*December 19, 2009*

**math**

Store A:6Pound Box For $4.95 Store B:10Pound Box For $8.50 Which is the unit price if the detergent at store A?

*December 19, 2009*

**Math**

Which operation is Equivalent to dividing by 6? A.multiplying by -6 B.multiplying by 1/6 C.Dividing by -6 D.Dividing by 1/6

*December 14, 2009*

**Math**

okkkkk.Divide 4/9 divided by 8/15?

*December 14, 2009*

**Math**

Hello

*December 14, 2009*

**Math**

How About This One There Are 800 Actors auditioning for a movie.Only 36 of them will get a part in the movie.What Percent of the 800 Actors will get a part? So You Divid 36 Into 800?

*December 14, 2009*