Tuesday

July 22, 2014

July 22, 2014

Total # Posts: 491

**English**

'How about painting the wall a new color?' is addressing one person asking a question to a seperate individual. 'How about we paint the wall a new color? is referring to the person asking the question who would like to help the individual with the painting.

**Health**

All of your points sound really good so far. I have another factor that you could add. E. Most likely to develop diabetes due to the result of not eating healthy

**Health**

'C' is the best answer out of all of them. I'd make 'B' a correct answer as well. Both of the liquids are healthy to drink.

**Fitness And Nutrition**

Well, let's go over it. 'A' is the plan that can be followed and used for a long period of time. 'B' is the plan that you have to go to a lot of stores to find one item. It would be tiring after a while. 'C' is the plan that in 1 week you lose, let&...

**chemistry**

How Many H bonds in Oblate Polyhedra?

**trigonometry**

write 2=5cis 11pie/6 in standard form.

**trigonometry**

find the dot product of u=2i-7j and v=i+8j

**trigonometry**

given v=5i+3j and w=-4i+8j, find projwv

**trig**

find the single term of cos^2 4theta - sin^2 4theta

**trig**

find the period of f(x)=-2cot x/5

**Chem**

Okay I got the second pH w/HCl and it is 2.23. but still can't find the pH of both of the ones w/HC2H3O2. Please help?

**Chem**

Complete the table below: Note: Make simplifying assumptions, do not use the quadratic formula. What is the pH of the solution created by combining 1.90 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH: 1.90 pH w/HCl...

**algebra**

(6x-2y)/(x^2+xy-2y^2)-(3x+2y)/(x^2+3xy-4y^2)

**Basic Dressmaking Processes**

A Correct 2. D Correct 3. B Correct 4. A C PAGE 6 5. A Correct 6. D Correct 7. C Correct 8. B Correct 9. C Correct 10. D Correct 11. C Correct 12. C Correct 13. A Correct 14. B Correct 15. D Correct 16. C Correct 17. A Correct 18. A Correct 19. B Correct 20. B Correct

**Math**

If you're rolling two dice, what is the probability that the sum of two dice is a 7?

**math**

i try and try to practice for my checkpoints but i keep on failing in them!!!!!!!!!!! what can i do to improve in maths,science and english. please help me practice. I was hoping you could give me the real checkpoint papers for all subjects!! thatcwould be amazing then i'l...

**english**

I'm writing a english paper about A Tale of Two Cities to show why/how the topic of law/corruption/power matters from the way Dickens uses it in the text. I am trying to write my intro, but I am having trouble. All I have so far is an attention-getter, a quote. Here is the...

**Chemistry**

Thank you so much! Not I dont think I will fail my test tomorrow!

**Science**

you are to make a buffer of pH = 4.33 using HNO2 and NaNO2 what ratio of NO2- to HNO2 is required?

**math**

The diameter of each tire on Niki's bike is 66 centimeters (cm). It takes her 16 minutes to ride 10 kilometers (km). How fast did Niki ride, in kilometers per hour?

**11th grade math**

A farmer wants to fence in 60 000m^2 of land in a rectangular field along a straight road. The fencing that he plans to use along the road is $10 per meter and the fencing that he plans to use for the other three sides costs $5 per meter. a) How much of each type of fence shou...

**Acoustic and Auditory Physics**

Yeah, I am having trouble interpreting it. I think The first resonant frequency fits well within a frequency range where the ear is maximally sensitive makes the most sense

**Acoustic and Auditory Physics**

A resonant frequency is a frequency that resonates within a tube of some length. The first resonant frequency of the average ear canal is around 3,000 Hz. Look at the Fletcher-Munson diagram. Which of the following statements is correct? The intensity level of the first resona...

**geometry**

A triangle is inscribed in a circle. One side of the triagle has lenghth 12 cm, and the angle opposite that side measures 30 degrees. What is the diameter of the circle?

**Algebra 2**

On some tubes of caulking, the diameter of the circular nozzle opening can be adjusted to produce lines of varying thickness. The table shows the length (L) of caulking obtained from a tube when the nozzle opening has diameter (d) and cross-sectional area (A). 31) Does L vary ...

**ap chemistry**

what volume of 0.0100 M NaOH must be added to 1.00 L of 0.0500 M HOCl to acheive a PH of 8.00?

**IUP**

A Circular metal loop is 28.0 cm in diameter. how large a current must flow through this metal so that the magnetic field at its center is equal to the earths magnetic field of 5.00*10-5T?

**calculus**

A particle moves in a straight line with velocity given by v(t) =sin t metres per second. Find the total distance travelled by the particle in the first 4 seconds of motion

**math 7**

what is 3/7th of 490

**math**

I have the same problem.

**english**

What argument does the other man use to convince the narrator to team up with him? What lesson do you think the narrator learned by the end of the evening?

**chemistry**

A piece of metal with a mass of 5.50 grams changed in temperature from 25.0 to 55.0C when 21.3 joules was absorbed. The specific heat of the metal is a. 0.256 b. 0.129 c. 3.91 d. 7.75 e. 0.710J g-1 oC-1 desperately need help!

**Geometry**

The midpoint of the segment joining points (a, b) and (j, k) is: (j-a,k-b) j-a over 2 k-b over 2 (j+a,k+b) j+a over 2 k+b over 2

**Geometry**

The midpoint of the segment joining points (a, b) and (j, k) is: (j-a,k-b) j-a over 2 k-b over 2 (j+a,k+b) j+a over 2 k+b over 2

**math**

How can I solve this: Sandy decided to give one-fourth of her CDs to Jenn. Then she gives one-half of the remaining CDs to Bob. If she is left with 6 CDs,how many CDs did she have to begin with?

**chemistry**

How many grams of chlorine gas could be produced by the decomposition of 58.5g of sodium chloride according to the following equation.? 2NaCl = 2Na + Cl2

**algebra**

Find the mean for each set of data. Round to the nearest tenth if necessary 12, 20, 8, 15, 16, 14, 7, 5, 11, 8, 14 i realy need help on this i keep on getting 12 as the median but the answer choices dont have 12, could u guys help me please

**The Calvin Cycle**

How many molecules of CO2 will the calvin cycle consume in generating 2 molecules of fructose 6-phosphate? How many molecules of ATP will the calvin cycle consume in generating 2 molecules of fructose 6-phosphate? How many molecules of NADH will the calvin cycle consume in gen...

**pleez! science stuff**

ohhh! thank you thank you thank you! soooooo much i really need it badly :)

**pleez! science stuff**

What is the application be on my project which was "me and my class go out and check the soil for organic things and beans and natural stuff + to describe what it looks like what color,shape,texture, and size the things we found are" PLEEZ! help i still have tons of ...

**Biochemistry **

The malate dehydrogenase reaction, written in the direction as it occurs in the citric acid cycle is: malate + NAD+ → oxaloacetate + NADH + H+ ΔG˚' = +7.1 kcal/mol Calculate the Keq and ΔG (in kcal/mol) for this reaction at the physiologic mitochondria...

**WRITING**

Like what bad stuff would happen to the school teachers and people

**WRITING**

Help me get examples of what would happen if there were fiel trips everyday for school for free. Help me come up what bad stuff would happen

**WRITING**

A field trip for free everyday at school. Examples they are bad?

**Probability math**

From a deck of 52 cards, 7 are drawn randomly without replacement. Let X and Y be the number of hearts and spades respectively . a) What is P(X > or = Y)?

**Probability**

Consider the experiment of simultaneously tossing a die and a coin. Let X denote the number of heads and Y denote the number of spots showing on the die. a)construct a two-way table for the joint pdf b)Let Z=X+Y . Use the joint pdf to find the distribution or Z.

**math**

What is the ratio formed between two parallelograms one is 2 inches by 6 inches and the other is 6 inches by 18 inches?

**physics**

we know that the speed of light in a vacuum is 3.0 x 10^8 m/s (18,000 mi/sec). If light travels through thick plastic with a speed of 1.75 x 10^8 m/s, what is the index of refraction through plastic?

**physics**

we know that the speed of light in a vacuum is 3.0 x 10^8 m/s (18,000 mi/sec). If light travels through thick plastic with a speed of 1.75 x 10^8 m/s, what is the index of refraction through plastic?

**physics**

An object is located 87.6 cm from a concave mirror that has a focal length of 17.0 cm. Where is the image located?

**Chemistry**

Nitrogen dioxide, NO2, dimerizes easily to form dinitrogen tetroxide , N2O4 : 2NO2<===>N2O4 a) Calculate Change in reaction G* and K for this equilibrium. b) Calculate the (e) (the measure of the progress of the reaction) for this equilibrium if 1.00 mol NO2 were present...

**chem help**

if 20 ml of .025M Formic acid is combined with 30 ml of distilled water and titrated with .10 M NaOH. What is the theoretical endpoint (equivalence point)

**Chemistry**

if 20 ml of Formic acid is combined with 30 ml of distilled water and titrated with .10 M NaOH. What is the theoretical endpoint (equivalence point)

**Social Studies**

Can you?

**Social Studies**

Hollywood sign. You can just look these up on Google :D There is a lot of answers

**Social Studies**

Thanks (:. What famous sign was first erected in 1923 in the state of California?

**Social Studies**

In 1950, what west coast team became an official member of the NFL?

**Physics**

An airplane pilot sets a compass course due west and maintains an airspeed of 221km/h . After flying for a time of 0.490h, she finds herself over a town a distance 125km west and a distance 13km south of her starting point. FIND THE MAGNITUDE OF WIND VELOCITY. v = ___ km/h

**Astronomy**

Star 'A' has twice the radius of star 'B'. The ratio of the surface area of star 'A' to the surface area of star 'B' is equal to 8 4pi 2 1/8 4

**UCSD**

A jetliner is moving at a speed of 230 m/s. The vertical component of the plane's velocity is 36.4 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

**physics**

A jet travels at 490 m/s. How long does it take to travel 227m? Answer in units of s

**Math**

solve for x Pc/x = c/p

**physics**

I am looking out a window that is 1.3m tall. A water balloon suddenly drops across the entire length of the window in .22 seconds. How far above the window was it dropped?

**chemistry**

At 518 degress celsius that rate of decomposition of a sample of acetaldehyde, initially at a pressure of 363 torr, was 1.07 Torr/sec when 5% had reacted, and 0.760 torr/sec when 20% had reacted. What is the order of the reaction?

**Science**

At 518 degress celsius that rate of decomposition of a sample of acetaldehyde, initially at a pressure of 363 torr, was 1.07 Torr/sec when 5% had reacted, and 0.760 torr/sec when 20% had reacted. What is the order of the reaction?

**Math**

A turtle is at the bottom of a 12 foot well. Each day it crawls up 3 feet, but each night it slips back 2 feet. After how many days will the turtle reach the top of the well? ANSWER: The turtle will reach the top of the well after [ ] days... Thanks

**Biochemistry**

Which of the following peptide fragments would you expect to find buried in the center of a water soluble protein? Explain your answer. a) DEGKRGDK b) ALVWIFLF

**Math**

If you are getting a B in everything else in this class but you don't do any of the news item write ups(which are 9% of your grade, then will your final grade be a B? If not a B, then what will your final grade be?

**Math**

Would this be a positive, nenegative or no correlation? The number of calories burned and the time spent exercinsing

**6th grade math**

Total tickets sold$1625. Adults $7,kids $3. Twice as many kids as adults bought tickets. How many adults and kid tickets were sold.

**6th grade math**

Total tickets sold$1625. Adults $7,kids $3. Twice as many kids as adults bought tickets. How many adults and kid tickets were sold.

**Math**

Write the following without negative exponents: (a^-1 + b^-1)^-1

**Math**

Solve the following equation for t : 3/t + 2/m = 2

**college math**

Using correct mathematical notation and symbols, express the following in set-builder notation: Z = {16, 17, 18, 19, 20}

**Math**

Given A = {1, 2, 3}, B = {3, 4, 5, 6,}, and C = {3, 5, 7}. Evaluate each set a) A ∩ B b) A U C c) B U C d) (A U B) ∩ C e) A U (B U C) f) (A ∩ B) ∩ C g) (A ∩ B) U C

**Math-geometry**

Given these sets: A = {3, 4, 5, 6, 7} B = {6, 7, 8, 9} C = {2, 4, 6, 8} List the elements of this set A intersect(B∩C)

**Math**

Given the following set, select the statement below that is true. V = {a, e, i, o, u} s ∈ V o ∉ V e ∈ V V intersect Ø w ∈ V

**Math**

Given the following sets, select the statement below that is true. A = {l, a, t, e, r}, B = {l, a, t, e}, C = {t, a, l, e}, D = {e, a, t} B ⊂ C and C ⊆ A C ⊆ B and D ⊂ B D ⊂ A and A ⊂ D B ⊂ A and C ⊂ D D ⊆ A and A ⊂ C

**Geometry-help please :(**

Given the following sets, select the statement below that is true. A = {l, a, t, e, r}, B = {l, a, t, e}, C = {t, a, l, e}, D = {e, a, t}

**Math**

Given the following set, select the statement below that is true. V = {a, e, i, o, u}

**Math**

Given the following set, select the statement below that is true. V = {a, e, i, o, u}

**Math**

Given the following sets, select the statement below that is true. A = {l, a, t, e, r}, B = {l, a, t, e}, C = {t, a, l, e}, D = {e, a, t}

**math**

so its 225pi sq. in?

**math**

what is the exact area of a circle with a diameter of 15 inches?

**math**

i think its 16.49 in^3 right?

**math**

how many cubic inches of ice cream can an ice cream cone hold (within the cone) if its height is 7 inches and the diameter of its base is 3 inches? give solution accurate to the nearest hundredth.

**math**

i dont think im getting this problem...would it be 20 * 52 = 1040 mm? PLEASE ASSIST :(

**math**

im still a little confused with this problem....

**math**

i think P = a + b + c right? and A = 1/2bh right?

**math**

find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm. include correct units with each part in solution.

**math **

would i use a^3?

**math **

how many cubic cm can a cigar box hold if its dimensions are 4 cm. by 14 cm. by 12 cm? include correct units with solution.

**math**

i thought that was how you solve it. thanks!

**math**

in a 9 in. sq. cake pan and 1 10 in. sq. cake pan, what is the difference in volume each pan will hold? assume each pan is 3 in. high. show step by step work and correct units with solution.

**math**

that's what i got. thank u :)

**math**

exactly how many cubic inches of ice cream can an ice cream cone hold (within the cone) if its height is 6 inches and the radius of its base is 2.5 inches? include correct units with the solution. use "pi" in place of the pi symbol.

**math**

i am not sure....

**math**

how many cubic cm can a cigar box hold if its diameter is 4 cm by 10.5 cm by 7 cm?

**math**

a right triangle has to be 90 degrees right?

**math**

find the perimeter and area of a right triangle if 1 leg measures 10 ft. and the other leg measures 24ft. show all work please.

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