Friday

July 31, 2015

July 31, 2015

Total # Posts: 790

**Chemistry**

What volume of 0.5M NaOH must be added to 50mL of .0.1M benzoic acid to make 100.0 mL of 0.05 M benzoate buffer that is pH 4.5?
*June 29, 2015*

**Physics**

A rowboat is heading across a river at 2.4 m/s east. The current of the river is 1.7 m/s south. What is the rowboat's resultant velocity?
*June 15, 2015*

**math**

If the offer was changed to "Buy 3, Get 2 Free," at $8.99 each, what would be the new markdown percent? Round to the nearest tenth and do not enter the percent symbol in your answer.
*May 30, 2015*

**math**

In a circle with a radius of 5cm and is centered at point O, angle AOB intercepts arc AB. Arc AB has a length of 10cm. What is the degree measure of angle AOB? Round to the nearest hundredth.
*April 29, 2015*

**Geometry**

Trapezoid
*March 23, 2015*

**Geometry**

The vertices are WXYZ. WZ is parallel to XY. XW is not parallel to YZ. Angles X and W are right angles. Identify the quadrilateral.
*March 23, 2015*

**Math**

order of operation (100-7 x 2+3) /10
*March 17, 2015*

**grammar**

adverbs
*March 2, 2015*

**english**

susan b anthony was a schoolteacher what adverb that modifies the verb?
*March 2, 2015*

**Physics**

A baseball pitcher delivers a fastball that crosses the plate with an angle of 7.89 degrees relative to the horizontal and a speed of 87.5 mph. The ball (mass 0.145 kg) is hit back over the head of the pitcher at an angle of 38.03 degrees with respect to the horizontal and a ...
*March 1, 2015*

**Accounting**

Applying the interest allowance method, compute Julie's and Jennifer's share of net income if Julie invested $40,000.and Jennifer invested $24,000. At an 8% interest rate, with the remainder to be decided equally. Net income was $10,000.
*February 6, 2015*

**Math 6 grade**

If you need to find the percent of a number, explain how you can predict whether the part will be less than, greater than, or equal to the number. HELP PLEASE
*January 28, 2015*

**grammar**

Is the phrase "27 year old male" hyphenated?
*January 23, 2015*

**math**

Laura’s pet bunny, Ghost, hops up a flight of 12 stairs. Ghost can hop up one or two steps at a time, and never hops down. How many ways can Ghost reach the top
*January 14, 2015*

**Human Resource Information System**

Scenario: Castle’s Family Restaurant has eight restaurants in the northern California area with approximately 300–340 employees. Most of the employees are part time, with approximately 40% of them full time. The operations manager, Jay Morgan, also acts as the HR ...
*January 11, 2015*

**Geometry **

If triangle ZXY is an equilateral triangle and the measure of W equals 34 degrees, what is the measure of the triangle WXZ? Work: XZ bisects WXZ and ZXY ; since W is 34 degrees, than Y is 34 degrees and since ZXY is equilateral, that also means that Z is 34 degrees.
*January 1, 2015*

**government**

It's a plan for running a country.
*January 1, 2015*

**astro**

The intensity of an object is related to the distance d to the observer by the equation (I1/I2) = (d2/d1)2. If the apparent magnitude of the Sun seen from Earth has a value of -26.74, what is the apparent magnitude of the Sun seen from Neptune (30AU from the Sun)?
*December 15, 2014*

**astronomy**

the exact amount of days for it would be ?
*December 15, 2014*

**astronomy**

if our Sun was replaced by a star twice the mass, how many days would our year be?
*December 15, 2014*

**physics**

Calculate the half-life of a radioactive substance that decays by a factor of 3 in concentration every 1 million years
*December 15, 2014*

**astronomy**

If you’re trying to build a house north of an old pine forrest (∼50m tall trees). How far north must you be from the edge of the forrest in order to ensure that you see at least a bit of the Sun even during the winter solstice?
*December 15, 2014*

**astronomy**

What is the semi-major axis of an object that is in 2:1 mean motion resonance with Earth
*December 14, 2014*

**painting/ artist**

i need someone todo a painting assignment for me>
*December 8, 2014*

**painting/ artist**

i have an painting assignment? do you know anyone
*December 8, 2014*

**social studies**

Ok 1c 2d 3d 4c
*December 7, 2014*

**Chemistry**

What is molarity of an HCl sloution if 45.0mL of 0.250 mol/L KOH are needed to neutalize 12.3mL of HCl?
*December 1, 2014*

**Chemistry**

my final answer is 1.035 mol/L
*December 1, 2014*

**Chemistry**

Hey guys thank you but I just realized that the question is suppose to be 25.0mL not 2.0 my keyboard messed it up. Thanks for all your help but i figured the answer right above this is mine can you just tell me if thats right or wrong?
*December 1, 2014*

**Chemistry **

what is the molar concentration of h2so4 solution is 2.0ml of which is completely neutralized by 45.0ml of 0.115 mol/L NaOH solution?
*December 1, 2014*

**physics**

A simple temperature model for the solar nebula disk is ￼Tdisk(a) = 20 × SQRT 100 AU/ a K, (1) where a should be expressed in AU in this equation. ￼(a) Find the temperature in the solar nebula disk at the orbit of Mer- cury, Earth and Jupiter. (b) Where is ...
*November 13, 2014*

**Physics**

Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 2.40 m. Two of the spheres have a mass of 3.40 kg each. The third sphere (mass unknown) is released from rest. Considering only the gravitational forces that ...
*November 6, 2014*

**ga history**

i have but i could not find anything
*October 27, 2014*

**ga history**

that does not help at all
*October 27, 2014*

**ga history**

Describe some positive and negative events of the trustee period, and provide your own evaluation of the rule of the trustees as either generally a success or a failure. social studies/Ga history -
*October 27, 2014*

**social studies/Ga history**

Ms.sue the answer is not there
*October 26, 2014*

**social studies/Ga history**

someone please help ASAP
*October 26, 2014*

**social studies/Ga history**

Describe some positive and negative events of the trustee period, and provide your own evaluation of the rule of the trustees as either generally a success or a failure.
*October 26, 2014*

**math**

can you help me graph the inequality f> equal to 4 on a number line ? ms.sue please help
*October 25, 2014*

**math**

thanks
*October 25, 2014*

**math**

dont worry i got 100 already
*October 25, 2014*

**math**

i think these are the answers please check them ms.sue 1.b 2.c 3.d 4.a 5.a i am not sure about number 5
*October 25, 2014*

**math**

ms.sue help asap 1. which exponent makes the statement true? 1/5^9 =5^? 9 -9 1/9 -1/9 2. y^5*y^14 = 2y^19 y^60 y^19 2y^60 3. w^12/w^18 w^30 w^-30 w^6 w^-6 4. using the numbers 3,2, and 4 which of these problems would have a solution of 4? 4*2^3/2^3 2*2^3/2^4 3*2^3/2^4 3*2^4/2^...
*October 25, 2014*

**math**

2.c?
*October 25, 2014*

**math**

is number 3.a?
*October 25, 2014*

**math**

can you tell me what am i suppose to do like divide multiply 3. i dont get that
*October 25, 2014*

**math**

2. sylvia has 6 1/2 boxes of chocolate to share at a family picnic. if she gives each person 1/3 of a box, how many people can recieve chocolate? 13 17 19 21 3.which of these numbers is not rational? square root 3 0.25 1/5 square root 9 someone please help asap
*October 25, 2014*

**math**

reiny can you please give me the answers for 2 and 3 or ms.sue
*October 25, 2014*

**math**

ms.sue please give me the answers
*October 25, 2014*

**math**

can you please tell me the final answer for 2 and 3 i dont get it
*October 25, 2014*

**math**

ms.sue please check
*October 25, 2014*

**math**

1.b 2.a 3 c 4 b 5 d 6 c 7 c 8 a please check my answers i am unsure about some of them and if you can please correct the ones wrong
*October 25, 2014*

**math**

3. i still dont know
*October 25, 2014*

**math**

2. i dont know just tell me i will do the work
*October 25, 2014*

**math**

some answers that i found 5 d 7 c 8 a can you please help me with the rest and please check if these are right ms.sue?
*October 25, 2014*

**math**

2. sylvia has 6 1/2 boxes of chocolate to share at a family picnic. if she gives each person 1/3 of a box, how many people can recieve chocolate? 13 17 19 21 3.which of these numbers is not rational? square root 3 0.25 1/5 square root 9 4. a student's work to solve 2 6/7 ...
*October 25, 2014*

**math**

thanks
*October 25, 2014*

**math**

for the second part i dont get how to convince that the number 0.57 is a rational number please help me
*October 25, 2014*

**math**

i dont get how to do this problem mrs. sue please help how would you convert the repating nonterminating decimal to a fraction? explain the process as you solve the problem/0.1515... remember to show all of the steps that you use to solve the problem how would you convince a ...
*October 25, 2014*

**math**

i dont get this at all can you help?
*October 25, 2014*

**math**

this is my name
*October 25, 2014*

**math**

carol is baking cookies and needs 2 1/4 cups of flour, 2/3 cup of white sugar, 1/4 cup of brown sugar, and 1/16 cup of baking soda. use this information to answer the following questions 2. if the amount of white sugar were increased by a factor of 2 1/2 in cups how much sugar...
*October 25, 2014*

**math Help ASAP**

write and solve inequality 17. the speed limit of a highway is 55 miles per hour. a car is traveling at least 65 miles per hour. how many miles per hour m over the speed limit is the car traveling? A 55-m>equal to 65;m. eqaul to 10 B m+65< equal to 55; m < equal to -...
*October 21, 2014*

**math**

labrina received a $50 gift card to an online store. she wants to purchase some bracelets that costs $8 each. there will be a $10 overnight shipping fee. how many bracelets can she buy? 4 bracelets 5 bracelets************ 6 bracelets 7 bracelets is that the correct answer??????
*October 21, 2014*

**math**

Labrina received a $50 gift card to an online store. she wants to purchase some bracelets that costs $8 each. There will be a $10 overnight shipping fee. how many bracelets can she buy? A 4 bracelets B 5 bracelets******* C 6 bracelets D 7 bracelets is the second one correct ...
*October 21, 2014*

**Finance **

Condo costs $150,000 buyer gets 15 year mortgage @ 4% . A 15% down payment is required , 1 point is required .
*October 20, 2014*

**Algebra**

To make an enclosure for chickens, a rectangular area will be fenced next to a house. Only 3 sides will need to be fenced. There is 120 ft. of fencing material. a. What quadratic function represents the area of the rectangular enclosure, where x is the distance from the house...
*October 7, 2014*

**chemistry**

what ions are present in AgNO2 + (NH4)SO4 I have Ag and N and H SO is a solid formed? no?
*October 3, 2014*

**Japan social empowerment**

was the US successful in rebuilding Japan
*September 17, 2014*

**History**

What accounts for the rather late emergence of African countries as independent nation-states? Is there something peculiar about Africa that delayed its drive for independence? (Begin with a specific African country and argue your case.)
*September 15, 2014*

**Gr 11 Biology**

if you were a snoker, what lung volumes (tidal volume, expiratory reserve volume or vital capacity) would be most affected? i think the answer would be the expiratory reserve volume
*September 7, 2014*

**Gr 11 Biology**

why wouldnt it be a) i thought it would be a) because that individual would be able to accomodate a significant change in minute ventilation?
*September 7, 2014*

**Gr 11 Biology**

Which person do you think would be more physically fit: a) an individual with a normal expiratory reserve volume and high vital capacity OR B)an individual with a high expiratory reserve volume and normal vital capacity
*September 7, 2014*

**information technology**

men
*September 6, 2014*

**science**

Myoglobin, a protein that stores oxygen, has a mass of 2.98 x 10-14? what?
*September 4, 2014*

**algebra**

simplify 2a^2 + 6ab^2-12a^2b^3 divided by 24ab -2a^2/-24ab + 6ab^2/24ab--12a^2b^3/24ab= -12ab^2 +12a +4b
*September 3, 2014*

**algebra**

solve for w: the square root of 2-w=w 2-w=w^ w^+w-2 (w+2) (w-10) w+2=0 w-1=0 w=-2 w=1
*September 3, 2014*

**algebra**

simplify -2a^+6ab^-12a^b/-24ab the b -12a^b the b is to the third power 2a^b/24ab + 6ab^/24ab -12a^b to the third/24ab 12a+4ab +2ab^ 2ab^+4ab +12a
*September 3, 2014*

**algebra 2**

write the general form of f(x)=4(x-1)^-8 (x-1) (x-1)= 4(x^-2x+1)-8 4x^-2x-8
*September 3, 2014*

**algebra**

4i(2+i) + 2i(4i-1) 8i +41^ +8i^-2i 12i^+6i
*September 3, 2014*

**algbra**

4(x-1)^ (x-1) (x-1)=x^-2x+1 4(x^-2x+1)-8 4x^-8x-4 This is as far as I couod go
*September 2, 2014*

**algbra**

Write the general form of the equation f(x)=4(x-1)^-8
*September 2, 2014*

**algebra**

x+4/8=x-2/6 6(x+4)=8(x-2) 6x+24=8x-16 8x-16=6x+24 8x-6x=24+16 2x=40 x=20
*August 13, 2014*

**algebra**

radicand equation 3y+1/9=2/3 3y +1/9=2/3^ 3y +1/9=2/3 x2/3 3y+1/9 =4/9 3y=4/9-1/9 3y=3/9 y=3/9divided by3 y=1/3 divided by 3 y=1
*August 13, 2014*

**algebra**

radicand equation d-1/3=4 d-1/3=4^ d-1/3=16 d=16-1=15 3d=15 d-5
*August 13, 2014*

**algebra**

I have a radicand equation 3-s=3 There is an index of 3 3-s=3times3tomes 3 3-s=27 s=9
*August 13, 2014*

**algebra**

radicand equation of 1/2n+3=3 There is an index of 4 1/2n+3=3x3x3x3 1/2n +3=81 1/2n=81-3 1/2n=78 n=39
*August 13, 2014*

**algebra**

(-5)x radicand equation 1/3x+4=-10 there is an index of 3 (-5)(1/3x+4) = 10^3 -5/3x-20=1,000 -5/3x=980 -5x=360 -x=72
*August 12, 2014*

**algebra**

there is a radicand equation of 1/2n+3=3 There is an index of 4 1/2n +3=3^4 1/2n+3=81 1/2n=78 n=36
*August 12, 2014*

**algebra**

1/3 + 5/s-4=2 s-4+15=2 s-4=2-15 s=(2-15)+4 s= -13+4 a=9
*August 12, 2014*

**algebra**

n/4=n+1/3n n(3n)=4(n+1) 3n^=4n+4 3n^-4n-4=0 3(n^-4n-4) (n-2)(n-4)
*August 12, 2014*

**algebra**

20/x^+4x=3/x+4+1/x 2(2x+3)/2x=x(x+5)/2x 4x+6 =x^+5x x^+5x-4x-6 x^+x-6 (x+1)(x-6)
*August 12, 2014*

**algebra**

1/3 +5/s-4=2 s-4/3(s-4) +5(3)/3(s-4)=2/3(s-4) s-4+15=2 s-4+15-2=0 s-4+13=0 s=9
*August 12, 2014*

**algebra**

k+5=-6divided byk k^+5k=-6 k^+5k-6 (k-6)(k+1) k-6=0 k=6 k+1=0 K=-1
*August 12, 2014*

**algebra**

2x+3 divided by x=x+5divided by 2 2(2x+3)=x(x+5) 4x +6=x^+5 x^+5x-44x-6 x^+x-6 (x-1)(x+6) x-1=0 x=1 x+6=0 x=-6
*August 12, 2014*

**math**

The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided to offer a $1.00-off ...
*May 31, 2014*

**Algebra 2**

Is the relationship between the variables in the table a direct variation, an inverse variation, both, or neither? if it is a direct or inverse variation, write a function to model it. x 2 5 15 20 y 20 15 2 2 a. inverse variation;y=10/x b. neither c. direct variation; y=x+10 d...
*May 19, 2014*

**math probability**

A bag contains 12 marbles, 7 red and 5 green. The reds are numbered 1-7 and the green are numbered 1-5. If you pick 4 without replacing what is the probability that 2 of the 4 are numbered 5?
*May 8, 2014*

**Math Question Please Help**

Two more students like math than science Half the number of students who like science like history. The number of student who like reading equals the number who like math and science combined. Two students like History. How many children (12) like each subject
*May 7, 2014*

**Algebra 2**

4 exponent -2=1/12
*May 6, 2014*