Friday

February 12, 2016
Total # Posts: 1,000

**Math**

If the independent variable is 6 what is the dependent variable for y=10x-3
*February 10, 2016*

**calc 1**

An electrical circuit switches instantaneously from a 3 volt battery to a 22 volt battery 8 seconds after being turned on. Sketch on a sheet of paper a graph the battery voltage against time. Then fill in the formulas below for the function represented by your graph.
*January 28, 2016*

**Math**

all of them have the same denominator so add the numerators place 8 in the denominator and you have the answer
*January 26, 2016*

**Math**

yes
*January 26, 2016*

**Math**

*decimal places
*January 26, 2016*

**Math**

then you have to look at the decimals behind the 36 to see which is greater
*January 26, 2016*

**Math**

To find the percentage divide the number of strings in a school by the total number of musicians in that school then multiply by 100
*January 26, 2016*

**Language **

Two very good family friendly movies. Toy story is about toys that talk. Inside out is about charters that are in are brain. Inside out a toy story has a lot in common. They both have sadness and joyful moments the are funny and family friendly and the best part is you don&#...
*January 21, 2016*

**Chem**

the formula mass of an unknown compound is 44.009 amu. What is its molar mass?
*January 11, 2016*

**Math**

The distance between goalpost, BC, is three times the distance from the top of the goalpost to the bottom. If the perimeter of ABCD is 21 1/3 yards, what is the length of BC
*January 7, 2016*

**physics**

A 1500 kg car traveling West at 90.0 km/h collides with a 1400 kg truck traveling North at 72.0 km/h.The two vehicles entangle after the collision and head off as one. What is the velocity of the wreckage immediately after the collision?
*January 4, 2016*

**Chemistry**

Like dissolves like is actually a good way to look at it but to fully explain... The four bonds of carbon CCl4 are polar, but the molecule is nonpolar because the bond polarity is canceled by the symmetric tetrahedral shape. The electrons on H2O are unequally shared, with the ...
*December 6, 2015*

**Chemistry**

Q= c*m*delta T Q=energy transferred in joules c=specific heat of water delta T=change in temp
*December 6, 2015*

**Science**

Are any numbers given ?
*December 6, 2015*

**Math**

Multiply 23 times 6 then theres your answer.
*December 6, 2015*

**I can**

whats the question
*December 6, 2015*

**Chemistry**

On a periodic table bond lengths increase from right to left then bond the periodic table. Since these elements(N,P,AS, and Sb) are all in the same group you can just go down. Than is why Sb is the highest. The bond strength is dependent upon the bond length. The longer the ...
*December 6, 2015*

**st. Anthony's school**

pcl3
*December 6, 2015*

**Algebra**

1.B 2.C
*December 2, 2015*

**chemistry**

a saturated NH4Cl aqueous solution is prepared in 100g oh water t 25 celsius. how much solute is in solution.
*December 2, 2015*

**Math**

how many times larger is Egypt compared to Wyoming?
*December 1, 2015*

**chemistry**

The first multiplication should be higher
*November 30, 2015*

**Chemistry**

what is the initial temp
*November 30, 2015*

**PreCalculas**

n= the number in the sequence for the first term plug in 1 for n for the second 2 for n and so on.
*November 30, 2015*

**Math**

6 hours
*November 30, 2015*

**chemistry**

(Mzn*Czn*Tzn)+(Mwater*Cwater*Twater)= Tfinal((Mzn*Czn)+(Mwater*Cwater))
*November 30, 2015*

**Physics**

KE = 1/2 mv^2 You already know the final mass and the final velocity final mass (Ma+Mb) final velocity= 14 m/s im assuming this is a continuation of the other posted question
*November 30, 2015*

**Physics**

Kinetic energy from what? What variables are given?
*November 30, 2015*

**Math**

29/70 can not be reduced its already in its simplest form
*November 30, 2015*

**Math**

Okay the total distance from shawn's house to school is 9/10 then to Mike 1/5 then to Jose 2/7 you will have to find the common denominator which in this case will be 70 So 9/10 becomes 63/70 1/5 becomes 14/70 then 2/7 becomes 20/70 so the total distance to Jose's ...
*November 30, 2015*

**Science 8**

I explained above
*November 30, 2015*

**Science 8**

Use process of elimination light has to be one of the final energies so D is out Now you're not applying any type of heat. You only have the batteries which a composed of chemicals. Now which answer has chemical for the initial and light for the final :)
*November 30, 2015*

**chemistry**

specific heat = delta Q/(m*deltaT) delta t =deltaQ/cm the lower the specific heat the smaller the number you have to divide by resulting in a larger delta T
*November 30, 2015*

**chemistry**

lower specific heat
*November 30, 2015*

**Physics**

Okay because the cars travel together afterwards this is an inelastic collision. SO you would need the formula Ma*Va+Mb*Vb=(Ma+Mb)Vf because car B is at rest it can be simplified to Ma*Va=(Ma+Mb)Vf Now you have all the values except Va, so first solve for Va The when you find ...
*November 30, 2015*

**math**

Z score = (actual-mean)/standard deviation. Hope this helps
*November 30, 2015*

**Math**

Thank you Ms.Sue
*November 21, 2015*

**Math**

I need help with this problem: Circle the number closest in value to 9. (this is a decimal at the end, not a period _ a. 8.5 (there is a line over the 5) _ b. 8.89 (there is a line over the 9) c. 9.69 d. 9.99 I believe the answer is b, is this correct?
*November 21, 2015*

**French**

Is magazine de vêtements masculine or feminine?
*November 2, 2015*

**vectors linear algebra**

they give you x x=-12 so solve for t in the x equation by plugging in the x value -12=-4-6t -8=-6t 4/3=t now plug in the t value for the y and z equation to find the coordinates
*October 26, 2015*

**Math**

Use an array 4x36
*October 19, 2015*

**math**

assertion is true, but it's tough to sketch, since the area is a function of two variables, requiring a 3-D graph.
*October 6, 2015*

**Help write a friendly letter**

thank u so much Ms.sue
*October 6, 2015*

**Help write a friendly letter**

how do u write a friendly letter HElP ME!!!!!!
*October 6, 2015*

**math 5th**

thank u soo much Ms.sue'
*October 5, 2015*

**math 5th**

well like times and fractions and stuff like that
*October 5, 2015*

**math 5th**

we website that I can study off of
*October 5, 2015*

**math 5th**

help I need help studying for a testing>
*October 5, 2015*

**Friendly letters**

thank u
*October 5, 2015*

**Friendly letters**

I need what a friendly letter is help
*October 5, 2015*

**math 5th**

what is the missing number which makes the fractions equivalent 3 15 - - 5? the answer are only 17 10 and 25 and 35
*September 30, 2015*

**math 5th**

yes I know but that is not on my quiz... so that why I came here.
*September 30, 2015*

**math 5th**

what is the missing number which makes the fractions equivalent 3 15 - - 5 ?
*September 30, 2015*

**math**

Subjects and preadicates
*September 29, 2015*

**physics**

change the velocity p(momentum)=mass*velocity
*September 20, 2015*

**Chemistry**

Which is more soluble in water? Briefly explain why. Acetic Acid: CH3CO(OH) OR Ethanol : CH3CH2OH I think its acetic acid because when observing its structure it is more polar than ethanol. And when using the like dissolves like rule, a more polar molecule with dissolve in ...
*September 2, 2015*

**math**

A scale drawing of a kitchen is shown below. The scale is 1 : 20. A rectangle is shown. The length of the rectangle is labeled 4 inches. The width of the rectangle is labeled 5 inches. Show your work to determine the area of the room in square feet
*July 11, 2015*

**Trig/ algebra 2**

*solve
*June 10, 2015*

**Trig/ algebra 2**

*solve
*June 10, 2015*

**Trig/ algebra 2**

simply plug in (pi/8) wherever you see x and sovel
*June 10, 2015*

**Probabilities**

You start with 7 total and because you have already picked twice so you now have 5 left. It wants the probability of the second defective light so that means of the two first picked one was good and one was defective. Now you have 3 good lights and 2 defective lights. the ...
*June 10, 2015*

**chemistry**

you're welcome
*June 10, 2015*

**chemistry**

Okay for B you simply divide the actual mass of the coin by the grams equivalent to a troy ounce. 31.2 g/31.1 g = 1.00 Luckily they have approximately a 1 to 1 ratio Multiply 1.00 * $0.216 which is $0.216 With the correct number of sig figs it would be $0.22
*June 10, 2015*

**chemistry**

Are sig figs important for this problem?
*June 10, 2015*

**chemistry**

I think you put your numbers backwards. You should have gotten 31.2 grams
*June 10, 2015*

**chemistry**

your volume equation is correct now multiple through. remember that density = mass/volume now arrange the equation to find the mass
*June 10, 2015*

**stat**

0.35*0.35*0.35*0.35=0.015
*June 10, 2015*

**Math**

.065/1 x 100 = 6.5%
*June 10, 2015*

**Chemistry**

Heat absorbed = mass * change in T * specific heat I got the same answer. 55*16*.385=338.8J
*June 10, 2015*

**Finance**

P=FV/(1+.11)^9 P=2500/(1.11)^9 P=$977.31
*June 9, 2015*

**Math**

I would think the answer would be D because at least 60% have to make a C. Given the fractions D is the only fraction with higher than 60%. Mathematically evaluating 3/5 is 60%, 20 is the common denominator in every answer choice. 20 is a multiple of 5, so 20/5 = 4. Multiply 4...
*June 9, 2015*

**math; solve problem**

it is recommended that there be at least 13.65 sq ft of ground sace in a garden for every newly planted shrub. a garden is 32.2' by 21'. find the maximum number of shrub the garden can accommodate.
*April 29, 2015*

**World Geo, Help pls**

@Ms. Sue I think the answers to 1 & 2 were b & b...I need help with these
*April 27, 2015*

**World Geo, Help pls**

3. According to Aborigine spiritual beliefs, the Earth is (1 point) a place of unending suffering and pain. a source of wealth to conquer in the name of one's ancestors. an ancient gift of the gods. a place where humans were banished from the gods. 4. All of the following ...
*April 27, 2015*

**World Geo, Help pls**

8. B ?
*April 27, 2015*

**World Geo, Help pls**

7. A ?
*April 27, 2015*

**World Geo, Help pls**

is 5. B?
*April 27, 2015*

**World Geo, Help pls**

oops i mean is 3. C???
*April 27, 2015*

**World Geo, Help pls**

3. D
*April 27, 2015*

**World Geo, Help pls**

1. B 2. B 3. D OR B 4. D I do not know...
*April 27, 2015*

**World Geo, Help pls**

These are the rest a place of unending suffering and pain. a source of wealth to conquer in the name of one's ancestors. an ancient gift of the gods. a place where humans were banished from the gods. 4. All of the following statements are true about Aborigine ceremonies ...
*April 27, 2015*

**World Geo, Help pls**

I think 1. A and 2. B
*April 27, 2015*

**World Geo, Help pls**

Please help!!! Which of the following is not true about Aborigine culture? (1 point) It is the oldest surviving culture on Earth. Traditional Aborigine societies formed agricultural settlements. Aborigines do not believe that land belongs to humans. Aborigine groups are spread...
*April 27, 2015*

**Math**

A printing company makes plastic banners 15 feet long by 6 feet wide. An overseas customer wants to know about how many square meters the banner is. Use 1 foot = 0.305 meter. a 8.37 square meters b 27.5 square meter c 90.0 square meter d 900 square meter Is c the correct answer?
*March 26, 2015*

**Analytical Chemistry**

For a triprotic acid H2PO4. Ka1=7.11e-3, Ka2=6.32e-8 and Ka3=7.1e-13. 50mL each of 0.05F CaCl2 and 0.05F phosphoric acid were mixed. Ksp CaHPO4=2.6e-7. a) Would CaHPO4 precipitate when phosphoric acid and calcium chloride were mixed together? b) List all species (ions, ...
*March 24, 2015*

**college chemistry**

solid diarsenic trioxide reacts with Flourine gas to produce liquid arsenic pentaflouride and oxygen gas. Write the Qc for this reaction
*March 24, 2015*

**chemistry**

enthalpy of combustion of CO2=-393.5 kJ/mol enthalpy of formation of CO2 = -enthalpy of combustion of CO2 = -(-393.5 kJ/mol) = 393.5 kJ/mol number of moles of CO2 = mass CO2/molecular mass of CO2 = 35.2 g/ (12.01+16.0x2)g/mol =0.800 mol 1 mol of CO2 formed using 393.5 kJ 0.800...
*March 24, 2015*

**Science**

to stop a moving object, a force with the same magnitude should be applied at opposite direction.therefore: momentum of car + momentum of clay = 0 momentum of car = - momentum of clay mass of car x speed of car = mass of clay x speed of clay speed of clay = (mass of car x ...
*March 24, 2015*

**physis**

acceleration = (final velocity -initial velocity)/time = (40-20)m/s/4s =5m/s^2
*March 24, 2015*

**physics help **

Please explain the answers. Thank You 1. A rifle is fired horizontally over a large flat plane. At the instant the rifle is fired, a student drops a second identical bullet from the same height as the rifle. Which bullet hits the ground first? 2. A monkey is hanging from a ...
*March 19, 2015*

**Hate Math**

Consider the expression: (28/4). 5-6 + 4square. Explain the order of operations you would use to simplify this expression. then simplify it.
*March 12, 2015*

**Chemistry**

It's January in Nashville and your local weather station just informed you that the temperature outside is -4.37 degrees Celcius. You estimate the amount of ice on your driveway to be approximately 30kg. What is the minimum amount of sodium chloride in kilograms (kg) ...
*February 20, 2015*

**algebra**

A quarry shaped like a cone has a height of 42 ft and a diameter of 47 ft. What is the volume of the quarry? Round your answer to one decimal place and use 3.14 to approximate pi. ft3
*February 20, 2015*

**Math**

A survey of 59 customers was taken at a bookstore regarding the types of books purchased. The survey found 36 customers purchased mysteries, 28 purchased science fiction, 21 purchased romance novels, 15 purchased mysteries and science fiction, 12 purchased mysteries and ...
*February 18, 2015*

**algebra**

an isosceles triangle is one in which two sides are the same length. The perimeter of an isosceles triangle is 36cm if the length of the congruent sides is 4 times the length of the third side, find the dimentions of the triangle
*February 12, 2015*

**Algebra I**

Operations with Integers 6/25 [- 5/9] 6 * 5 ______ 5*5*9 Now I cancel the five on top and one of the five on the bottom. = 6/45 I don't know if I did the operation correct? Thank You for your help.
*January 28, 2015*

**Physics**

*this
*January 26, 2015*

**Physics**

are you sure you type his right because both car are moving in the same direction?
*January 26, 2015*