Friday

January 30, 2015

January 30, 2015

Total # Posts: 1,570

**math **

list the necessary steps needed to find the missing answer 2*(3+5)=____-7
*January 18, 2012*

**math**

Michael went scuba diving. He dropped 80 ft. below sea level.He saw a shark and came up 15 ft. to get away. When the coast was clear he sank 25 more feet. What integer represents Michael's original drop in sea level?
*January 18, 2012*

**science**

what breaks down big food into simple substances?
*January 18, 2012*

**science **

the body breaks down both physically and?
*January 18, 2012*

**Math**

A ball is thrown from the top of a 75-foot tower with a velocity of 32 feet per secon. Find the equation of the parabolic path.
*January 17, 2012*

**math**

how do i find the percent of a component in a mixture given the amount of compound and the amount of mixture c=3g,m=8g please help thank you
*January 16, 2012*

**physics**

WHAT IS(–6z – 2) /( 3.8X102)= 10
*January 15, 2012*

**8th grade math**

values for area and length of right triangular prism with volume of 6
*January 12, 2012*

**algebra**

whats the answer to f(x)+43×76÷3=?
*January 11, 2012*

**Math**

It takes 5 1/3 minutes for light from the sun to reach earth. The Moon is closer to earth, so it,s light reaches earth faster about 5 19/60 minutes faster than from the sun. How long does light from the moon take to reach earth.
*January 10, 2012*

**Math**

In a certain survey of 1034 adults, 89% reported having more than one television at home. Find the actual number of reespondents corresponding to the given percentage
*January 9, 2012*

**Physics**

A 12 g bullet is fired horizontally into a 96 g wooden block initially at rest on a horizontal surface. After impact, the block slides 7.5 m before coming to rest. If the coefficient of kinetic friction between block and surface is 0.60, what was the speed of the bullet ...
*January 5, 2012*

**Math**

A cube measures 13 centimeters in width. Explain how to find the volume of the cube.
*January 5, 2012*

**Math**

If a triangle has a height of 24cm and an area of 240cm2, what is the length of its base?
*January 5, 2012*

**Math**

A trapezoid has an area of 312cm2. If the bases are 3cm and 20cm, find the height.
*January 5, 2012*

**Math**

A cylindrical container has a radius of 8 cm and a height of 14 cm. How much milk does it contain when full?
*January 5, 2012*

**Mah**

A tent has a square base of side 6m and a height of 4m. How much air does it enclose?
*January 5, 2012*

**math**

sorry meant expand
*January 1, 2012*

**math**

1) -3y+4 > 7y-3 over 6 2) 3y over 2 + 5 over 3 < -7y+2 over 4 3) If A(1,2) B(-2,6) and P(4,p) are collinear, find p. THANK YOU!
*December 28, 2011*

**math**

I want to know why [5-5cos(square)(filter)] is equal to [5sin(square)(filter)] Do you guys know what I mean? sorry for that I can't type (square and filter) signs
*December 28, 2011*

**math**

why do oyu change the last two signs when subtracting two negative numbers?
*December 17, 2011*

**nutrition**

whoops *such a thing
*December 15, 2011*

**nutrition**

How can I know the RDA (recommended dietary allowance) for nutrients other than minerals and vitamins? Is there suck a thing?
*December 15, 2011*

**geometry**

Below is a scale of my garden. It is drawn at 3in: 8ft scale. To the nearest whole squre foot what is the area of my garden? **picture of octagon with one side 8in**
*December 13, 2011*

**Pre algebra**

Urgent!!!! plz answer
*December 4, 2011*

**Pre algebra**

-1/3H < or equal to 7 how is it done? I know signs need to be switched but is there any reciprocating the fraction?
*December 4, 2011*

**Science 7R (Lab questions) **

yes for q13 do animals do photosynthesis? take it from there
*December 1, 2011*

**Science 7R (Lab questions) **

almost does not contain cell what?
*December 1, 2011*

**Chemistry**

Yeah, I figured it out after I said I didn't understand. It's actually really easy. Thanks for all your help though!
*November 30, 2011*

**Chemistry**

I'm really bad at this, I still dont understand.
*November 30, 2011*

**Chemistry**

List the sets of quantum numbers which describe all of the electrons possible in a 6p wave function (orbital): I'm really having trouble figuring this out!
*November 30, 2011*

**history/english**

thanks cleared it!
*November 28, 2011*

**history/english**

are southerners considered to be immigrants?
*November 28, 2011*

**cleveland state university**

3.2 atm
*November 21, 2011*

**bio**

Homozygous dominant for BRCA1-what is the genotype? (using the letter b)
*November 19, 2011*

**Chemistry **

Calculate the standard enthalpy change for the reaction 2C8H18(l)+17O2(g)> 16CO(g) + 18H2O(l) Given 2C8H18(l)+25O2(g)>16CO2(g)+18H2O(l) deltaH=-11020 kj/mol 2CO(g)+ O2(g)>2CO2(g) Delta H=-566.0 kj/mol The > is supposed to be an arrow :)
*November 17, 2011*

**Algebra 2**

is 4y(squared)-17y+15 factorable? i think its just not factorable, but i'm not sure. thank you::)
*November 16, 2011*

**algebra**

The sum of the digits of a two-digit number is eleven. If the digits are reversed, the new number is sixty-three less than the original number. Find the original number. Help? &explain how you got the answer please.
*November 16, 2011*

**Chemistry**

Glycine,C2H502N, is important for biological energy.Find the heat of combustion deltaHrxn. Delta H [C2H5O2N]=-537.3 kj/mol DeltaH [ CO2(g)=-393.5 kj/mol DeltaH[H2O(l)]-285.8 kj/mol
*November 15, 2011*

**math HELP FAST PLEASE**

It's 3
*November 9, 2011*

**LA**

why does prince humperdink have to look for a bride in The Princess Bride?
*November 9, 2011*

**bio**

How do we determine that prophase is the longest stage of mitosis?
*November 7, 2011*

**Chemistry**

Calculate the amount of energy released in the formation of one mole of BaSe bonds (not lattice energy). The radius of the barium ion is 1.35 Å, and the radius of the selenide ion is 1.98 Å. Note that 1Å=10−10m. needs to be using the dimensions of ...
*November 3, 2011*

**English**

I have written a a outline and my teacher said it was good. the article does not specify whether they are legal or not and it does not specify which sect of Mexicans.
*November 1, 2011*

**English**

updated version: These two essays state the rights that the Mexicans have in the US and what issues could arise from them. However, although each writer spoke about these topics, they each view it through a different lens.
*November 1, 2011*

**English**

This is my thesis so far for a compare and contrast essay on Se Habla Entitlement and Border on Our Backs...These two essays state the rights that the Mexicans have in the US and what issues could arise from them. I know it is not perfect. Can someone help me perfect it? thanks
*November 1, 2011*

**algebra**

determine if (-5/6, -1) is a solution to 6x-5y= -10 show work
*November 1, 2011*

**algebra**

Find the slope of the line containing the given pair of points. If the line is undefined, state so. Please be sure to show all of your work. (1, 2) and (9, 12)
*November 1, 2011*

**algebra**

Find the x- and y-intercepts for the equation. Please show all of your work. Then graph the equation 2x + 3y = 15
*November 1, 2011*

**algebra**

Find the x- and y-intercepts for the equation. Please show all of your work. Then graph the equation 2x + 3y = 15
*November 1, 2011*

**English**

is there such a thing the "language" of percentages/surveys?
*October 29, 2011*

**algebra**

Simplify -9-(-3)
*October 28, 2011*

**Physics**

Use conservation of energy to determine the angular speed of the spool shown in Figure P8.36 after the 3.00 kg bucket has fallen 3.20 m, starting from rest. The light string attached to the bucket is wrapped around the spool and does not slip as it unwinds. The Figure shows ...
*October 26, 2011*

**calculus**

Reiny, i need the maximum vertical distance between the two functions of the graph.
*October 26, 2011*

**calculus**

what is the maximum distance between f and g when f(x)=1/2x^2 and g(x)=1/16x^4-1/2x^2 on closed interval [0,4]
*October 26, 2011*

**Statistics**

A retail shop accepts only cash or checks. Suppose that 54% of its customers carry cash, 51% carry checks, and 71% carry cash or checks (or both). What is the probability that a randomly chosen customer at the shop is carrying both cash and checks?
*October 22, 2011*

**english**

A good strong thesis statement about the children's book Corduroy by Don Freeman
*October 20, 2011*

**Math**

A person standing close to the edge on the top of a 160-foot building throws a baseball vertically upward. The quadratic function s(t) = -16t^2 +64t + 160 models the ball's height above the ground, s(t), in feet, t seconds after it was thrown. After how many seconds does ...
*October 18, 2011*

**Chemistry**

125 mL of 1.00 M HCl with 9.00 g of KOH. if the yield of KCL is 7.51 g what is the percent yield of the reaction HCl + KOH -> KCl + H2O
*October 17, 2011*

**Chemistry**

125 mL of 1.00 HCl with 9.00 g of KOH. if the yield of KCL is 7.51 g what is the percent yield of the reaction
*October 17, 2011*

**AP environmental Science**

What formula would i use to solve: If the earth has an annual growth rate of 1.2% how many people are added to the earth each year? what will be the population of earth in 2050? thanks, any help is appreciated!! :D
*October 16, 2011*

**Algebra**

400=20t 400=100h y=#variable
*October 16, 2011*

**bio**

What is the term used when an amino acid is used for four or more codons?
*October 16, 2011*

**English**

Simple subject is the noun Simple predicate is the KEY word in the predicate. For example, The maze had hundred pathways. Maze=simple subject had=simple predicate hope this helps
*October 16, 2011*

**English**

Forget it, I understand it now. Thank you.
*October 15, 2011*

**English**

I already did, are you able to explain what back-formation means?
*October 15, 2011*

**English**

Where can I find out the history of the words difficult and challenge and be able to write a paragraph on them each? Tried Google.
*October 15, 2011*

**calculus**

tan 30=a/ 9 inches
*October 11, 2011*

**English**

Can you give me another example that is similar to MIss and Ms. ?
*October 10, 2011*

**English**

those were just examples, so they are homographs?
*October 10, 2011*

**English**

so what is their category? Can you give me another example of this?
*October 10, 2011*

**English**

Does Miss and Ms. fit under the category of homonyms or homophones, or are they under another category?
*October 10, 2011*

**5th Grade Math**

writing a prime number factorization of a number using exponents. does that mean 15= 5 x 3 60= 6 x 10 28= 4 x 7 49= 7 x 7 Yes,No or What?
*October 6, 2011*

**5th Grade Math**

seventeen and four tenths. ten and ninety-nine thousandths. How much money do these word forms turn out to be?
*October 6, 2011*

**penn foster world history**

can someone please help me with this exam 007678
*October 6, 2011*

**Math**

The inclination of the straight line DE is 45 degree. D(0,2n), E(m,0) (a) Express m in terms of n. (b) If the area of triangleDEO is 18 sq.units, find the values of m and n.
*October 6, 2011*

**Chemistry**

I don't know how to set up this problem...can you help? How many milliliters of 6.00M HCl are required to react with 150 mL of 1.48 M Al(OH)3? Al(OH)3+3HCl to AlCl3 + 3H2O
*October 5, 2011*

**Chemistry**

I can't figure out how to set up this problem...You have a large amount of 8.00 M stock solution. You need 1.80L of 3.00 M solution for an experiment. How would you prepare the desired solution without wasting any stock solution?
*October 5, 2011*

**Chem**

Living things require oxygen for respiration. Fuels require oxygen for burning. Air contains much more nitrogen than oxygen. Is it a good thing to have more oxygen than nitrogen in air? Explain your answer.
*October 5, 2011*

**Chem**

State one physical property and one chemical property of oxygen. Physical property: Chemical property:
*October 5, 2011*

**Chem**

State the hazard warning label that should be shown on a jar of oxygen.
*October 5, 2011*

**Chem**

Name the industrial process in the air separation plant that can be obtain oxygen from liquefied air.
*October 5, 2011*

**5th Grade Math**

what fraction is the largest? 3 2/3 or 3 3/4 or 3 1/2 or 3 3/5?
*October 4, 2011*

**5th Grade Math**

Marissa and her friends have 3 pizzas. they eat 2 1/4 of the pizzas. which model shows how much of the pizza they ate? On the pic they have they have each pizza having 8 slices each, so what would the pies that have been eaten look like?
*October 4, 2011*

**5th Grade Math**

Hector's bean plant grew 14 inches in 3 months. Which shows how many inches the plant grew each month? F)3/14 inch G) 3 1/4 inches H) 3 2/3 inches J) 4 2/3 inches And how do i get the answer?
*October 4, 2011*

**5th Grade Math**

Kate baked 3 pies for a family reunion. She cut each pie into 8 slices. the family ate 2/3 of the pies. How many slices of pie were eaten? And how would i show it if i had to show the pies?
*October 4, 2011*

**5th Grade Math**

I just wanted to Thank you Ms. Sue for the help my son is in 5th grade and some of his homework i don't understand, and i don't want him to turn it in wrong. So if i have more of an understanding then i can help him more with his homework so he gets a better ...
*October 4, 2011*

**5th Grade Math**

Eduardo and his friends niked 7/4 miles. What mied number shows the distance they hiked?
*October 4, 2011*

**5th grade math**

Pete looked at the colors of the shoes worn by his classmates. He found that 1/5 of the class wore white shoes, 3/20 wore blue shoes, 2/5 wore black shoes, and 1/4 wore red shoes. what color shoes did the most students have on? And how would i show the work? PLEASE HELP
*October 4, 2011*

**5th Grade Math**

Brad filled in 24 out of 40 words on a crossword puzzle. Stewart filled in 15 out of 25 words on a different crossword puzzle. Which correctly compares the fractions of the puzzles that Brad and Stewart completed. a)2/3>3/5 b)3/5<2/3 c)6/10>3/5 d)3/5=3/5
*October 4, 2011*

**Chemistry**

ok for 2 i did m= 1.2g/l /84.9= .0141 then moved dec. 3 places which made it 14.1 kg is that right or close..
*October 3, 2011*

**Chemistry**

ok so a was 84.9 vol .. so i take that and then.. i then take the m and convert them to kil.. then do the vxd=m
*October 3, 2011*

**Chemistry**

ok quick question i got the lxwxh and then that would be # 1 .. for i take the answers from one and convert them to liters.. ?/
*October 3, 2011*

**Chemistry**

Your bedroom is 18 ft long and 15 ft wide, and the distance from floor to ceiling is 8 ft 6 in. You need to know the volume of the room in metric units for some scientific calculations. (a). What is the room’s volume in cubic meters? (b). What is the mass of air in the ...
*October 3, 2011*

**AP Biology**

Why can't humans drink salt water for hydration?
*October 2, 2011*

**Math**

A fast food shop plans to employ 8 full-time staff and some part-time staff.Suppose that the daily wages for a full-time staff and a part-time staff are $350 and $250 respectively. In order to control the daily running cost, the total expenditure on wages must not exceed $5000...
*October 2, 2011*

**Math**

Susan has some $2-coins and $5-coins. If there are 18 coins and the total amount of these coins is not less than $75, find the minimum number of $5-coins.
*October 2, 2011*

**Pre-calc **

square root(x+1)+ square root(x-1)= square root(2x+1)
*September 27, 2011*

**statistics**

draw a negatively skewed result
*September 25, 2011*

**chemistry**

10%
*September 25, 2011*

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