Wednesday

December 7, 2016
Total # Posts: 3,269

**Language Arts**

OK, I will. :)

*December 6, 2016*

**Language Arts**

When I write too much in one time, I get confused.

*December 6, 2016*

**Language Arts**

I don't want to post all at once one material, and I like to call myself different names, why was there something wrong with that? I am new at this. :(

*December 6, 2016*

**Langugae Arts**

Thx. :)

*December 6, 2016*

**Langugae Arts**

B?

*December 6, 2016*

**Langugae Arts**

11. Read the following sentence from “The Balek Scales.” My grandfather was the first person bold enough to test the justice of the Baleks, the family who lived in the chateau and drove two carriages, who always maintained one boy from the village while he studied ...

*December 6, 2016*

**physics**

A Syringe is filled with a solution of viscosity n=1.75x10^-3 pa s. The plunger of syringe has cross sectional area 9 x 10^-5 m^2. The needle has length 30mm and internal radius 3 x 10^-4 m. Intravenous pressure in patient is 2.0 kPa. What force must be applied to plunger of ...

*December 6, 2016*

**math**

What is a 15% tip on a meal that costs $38.40

*November 28, 2016*

**math**

Tanya and Greg are going skiing. Tanya is a seasoned skier while Greg is a novice, he only skied once before. They have a map that provides the coordinates for the top and bottom of each path. Tanya wants to ski the most challenging path while Greg wants to start off with an ...

*November 22, 2016*

**math**

3.5 and 3.6 .. gotcha!

*November 22, 2016*

**math**

2.9 ft., 3 ½ ft., 3.55 ft., 11/3 ft., 4.1 ft. <--- ? 2.9 ft. 3.55 ft., 3 ½ ft., 11/3 ft., 4.1 ft.

*November 22, 2016*

**math**

There are five different sizes of wood planks used to build a deck. Before starting the project you must compare them and put them in ascending order. 3 ½ ft. 11/3 ft. 3.55 ft. 2.9 ft. 4.1 ft. Help plz.

*November 22, 2016*

**American Government**

R, could you help me with a few questions for Language Arts?

*November 17, 2016*

**math**

laura works at a local supermarket. she can stack 7 shelves in 1\3 of an hour. At this rate, how many shelves can she stack in 2 hours

*November 16, 2016*

**Math**

_ _ x _ _____ _ _ +_ _ ______ _ _ You can only use numbers 1-9 and each can be used once.

*November 15, 2016*

**Chemistry**

How many mL of acetone are required to make a 8.42 % v/v aqueous solution in a 300 mL volumetric flask?

*November 12, 2016*

**plz..chemistry help**

One mole of solid NH4Cl (s) isvheated in a closed box to decompose it partially according to the following reaction: NH4Cl (s) <=> NH3 (g) +HCl (g) A) calculate Kp of the above system at the temperature of the experiment if the partial pressure of ammonia at ...

*November 9, 2016*

**chemistry**

One mole of solid NH4Cl (s) isvheated in a closed box to decompose it partially according to the following reaction: NH4Cl (s) <=> NH3 (g) +HCl (g) A) calculate Kp of the above system at the temperature of the experiment if the partial pressure of ammonia at equilibrium ...

*November 9, 2016*

**American Government**

6. A. 7. D. 8. A. 9. B. 10. C.

*November 8, 2016*

**American Government**

6. What is the only official role of the vice president? A. Lead the national committee on the president's party. B. Organize presidential commissions. C. Preside over the Senate. D. Vote in case of a tie in the Supreme Court. 7. What best describes a faithless elector? A...

*November 8, 2016*

**geometry**

If m AOB = m COD = 90 ,find m COB + m AOD.

*November 4, 2016*

**Physics**

The work function for a particular metal is 2.18 eV. What is the kinetic energy in eV of photoelectrons ejected when 410 nm violet light falls on this metal?

*November 1, 2016*

**Algebra 1**

C B C B

*October 25, 2016*

**Algebra 1**

No, why would I guess......

*October 25, 2016*

**Algebra 1**

I am so sorry, I forgot. 1. A 2. C 3. B 4. A

*October 25, 2016*

**Algebra 1**

1. A family is building a circular fountain in the backyard. The yard is rectangular and measures 14x by 19x and the fountain is going to be circular with a radius of 6x. Once the fountain is built, what will be the area of the remaining yard. A. 230πx^2 B. 230x^2 C. 266x...

*October 25, 2016*

**Math**

What does the variable n mean

*September 28, 2016*

** Basic Chemistry**

A 150L water heater is set to a cutoff temperature of 49 degrees C and that the incoming water is at 298K, calculate the energy in kJ needed to get this 150L water to it's maximum temperature. Please help!

*September 25, 2016*

**science **

One proposed project to help restore Louisiana's wetlands is to backfill canals that were built for access to and transportation of oil from the coastal area. why might scientists first want to build and study a model of their proposed project? Help!!

*September 22, 2016*

**World History**

How did China become a feudal state under the Zhou? A.The Shang shared regional power over lands with the Zhou. B.Warlords overran regions and set up their own kingdoms.* C.The Zhou awarded control over lands to their supporters. D.Groups of regional villages requested Zhou ...

*September 19, 2016*

**Math**

You roll two fair dice. Let E be the event that an even total shows on the dice. Let F be the event that a three shows on at least one die. Find P(F) and P(F∣E).

*September 18, 2016*

**Science**

A transformer has 60 turns in the primary and 1200 turns in secondary.if the primary voltage is 500 V what will be the secondary voltage be? What will the current be if the primary if the secondary carries 2.0 A

*September 18, 2016*

**Math**

Divide Rs 5000 in the ratio 2:3:5

*September 17, 2016*

**Social Studies**

i do not know

*September 15, 2016*

**algebra**

What is the quotient and remainder of 4x^3-2x^2+x+1 divided by x+2?

*September 11, 2016*

**algebra**

What is the quotient and remainder of 4x^3-2x^2+x+1 divided by x+2?

*September 11, 2016*

**math**

What is the quotient and remainder of 4x^3-2x^2+x+1 divided by x+2?

*September 11, 2016*

**ELA**

In the clever daughter adapted from a Czech folktale, why does the magistrate use a riddle to decide the case?

*September 7, 2016*

**Math**

The mean of 4 numbers is 15.Three of them are 7,10,14.Find the fourth number

*September 7, 2016*

**MATH**

A family has 4 children. A tree diagram or systematic list can be used to show how many ways the children could have been born, from first born to last born. Determine how many ways the family could have had one boy and 3 girls.

*September 4, 2016*

**Math**

What is the best estimate for the product of 289 and 7?

*August 22, 2016*

**Social Studies (check my answers))**

correct

*August 18, 2016*

**math**

diamonds , 1 club and 2 heart

*August 12, 2016*

**Algebra**

If x<5<1/x-1, then x could be which of the following? a) 5 b) 1 c) 7/6 d) 10/3 Please help, I am thinking the answer is C.

*July 24, 2016*

**Physical Science**

Green light has a frequency of about 5.3Hz×1014Hz. Using the relationship c=fλ, find its wavelength in air.

*July 23, 2016*

**Physical Science**

A 100-g chunk of 72 ∘C iron is dropped into a cavity in a very large block of ice at 0∘C. What is the mass of ice that melts. (The specific heat capacity of iron is 0.11 cal/g⋅∘C.).

*July 4, 2016*

**math**

The area of a square is 36 square feet. Each side of the square measures_____ feet.

*July 1, 2016*

**Physics**

What is the longest wavelength of light that can be absorbed by a hydrogen atom that is initially in the second excited state?

*June 22, 2016*

**Physical Science**

Many people mistakenly believe that the astronauts who orbit Earth are "above gravity." Earth's mass is 6×1024kg, and its radius is 6.38×106m (6380 km). Use the inverse-square law to find a height above Earth's surface at that the force of gravity...

*June 21, 2016*

**Physical Science**

A penny on its side moving at speed v slides off the horizontal surface of a table a vertical distance y from the floor. If the speed is 3.1 m/s and the coffee table is 0.30 m tall, find the distance the coin lands from the base of the table. (Use g=9.8m/s2.).

*June 21, 2016*

**Physical Science**

Using the formula for gravity, find the force of gravity on a 0.80-kg mass at Earth's surface. (The mass of Earth is 6×10^24kg, and its radius is 6.4×10^6m.).

*June 21, 2016*

**Physics **

A skier slides down a frictionless slope of angle 30, is the mechanical energy conserved?

*June 20, 2016*

**Physical Science**

If your mass is 76kg, find your acceleration.

*June 10, 2016*

**Calculus**

so would it be 1/2(1-(1/e^4))

*June 2, 2016*

**Calculus**

A base of a solid is the region bounded by y=e^-x, the x axis, the y axis, and the line x=2. Each cross section perpendicular to the x-axis is a square Find the volume of the solid

*June 2, 2016*

**math**

a ________ represnts 25% of the data

*May 25, 2016*

**geometry**

If rectangle ABCD has vertices A(6, 2), B(2, 2), and C(0, 6), explain how to find the coordinate for the fourth vertex. Then describe how to verify that the angles of ABCD are right angles.

*May 24, 2016*

**physics**

as the permeability of a material is the ratio of the magnetic field strength and the magnetic flux, could the permeability of the material be multiplied by the magnetic field strength in order to calculate the flux?

*May 22, 2016*

**physics**

what is the importance/significance of calculating the magnetic flux density of a solenoid?

*May 22, 2016*

**Math**

I don't know

*May 17, 2016*

**Math**

If i have 8cups of raisins and i use 1/3cups for one bag how many bags can i make

*May 17, 2016*

**Physics**

7 g bullet is ﬁred into a 124 g block that is initially at rest at the edge of a frictionless table of height 1.3 m. The bullet remains in the block, and after impact the block lands 2.2 m from the bottom of the table. Find the initial speed of the bullet. The ...

*May 7, 2016*

**physics**

A typical red blood cell subtends an angle of only 1.7×10−5 rad when viewed at a person's near-point distance of 25 cm. Suppose a red blood cell is examined with a compound microscope in which the objective and eyepiece are separated by a distance of 13.0 cm . ...

*April 22, 2016*

**Physics**

Find the minimum aperture diameter of a camera that can resolve detail on the ground the size of a person (1.5 m ) from an SR-71 Blackbird airplane flying at an altitude of 26 km . (Assume light with a wavelength of 470 nm .) I got 570 mm which is wrong

*April 21, 2016*

**Math**

Emily fills a container with 6cubes. Each cube has an edge length of 3cm. The container is in the shape of a right rectangular prism. What is the volume of the container in cubic cm

*April 18, 2016*

**science/biology**

introduction to cane toad

*April 14, 2016*

**history**

Greek language and Aramaic. ... the Pitinikas, the Andhras and the Palidas are other people under Ashoka's rule

*April 13, 2016*

**check my answers please**

what about the last one ?

*April 12, 2016*

**check my answers please**

1.)order the group of quadratic fractions from widest to narrowest graph. y=3x^2;y=5x^2;y=7x^2 a.)y=3x^2;y=5x^2;y=7x^2 b.)y=7x^2;y=5x^2;y=3x^2 c.)y=3x^2;y=7x^2;y=5x^2*** d.)y=2x^2;y=7x^2;y=3x^2 2.)the area of a play ground is 234yd^2. the width of the playground is 5 yard ...

*April 12, 2016*

**Math Check my Answers please ?**

1.)if an object is dropped from a height of 144 ft the function h(t)=-16t^2+144 gives the height of the object after t seconds. when will the object hit the ground? a.)1.5 seconds b.)3 seconds *** c.) 6 seconds d.)9 seconds 2.) the area of a play ground is 64 square yards. the...

*April 12, 2016*

**Math**

Please help ! 1.)a catapult launches a boulder with an upward velocity of 122 feet per second. the height of the boulder, h, in feet after t seconds is givin by the function h(t)=-16t^2+122t+10. what is the boulders maximum height ? and how long does it take the boulder to ...

*April 11, 2016*

**biology**

How does meiosis and fertilization in humans and other sexual reproductive organisms maintain the normal chromosomes number for each species?

*April 11, 2016*

**math **

If the bike wheel is rolled along the ground 10 inches, through what angle does the wheel rotate?

*April 6, 2016*

**Algebra**

A photo is printed on a 20-inch by 24-inch piece of paper. The photo covers 320 square inches and has a uniform border. What is the width of the border?

*March 22, 2016*

**Prob/Stats**

A survey revealed that 44% of movie goers will eat some amount of popcorn during a movie. If the next 17 movie goers are asked if they will eat popcorn during the next movie they attend, what is the probability that at least 8 will say they will eat popcorn during the next ...

*March 19, 2016*

**math**

The quotient for 20÷1/4 is 5. It wants to know which expression has the same quotient as 20÷1/4. A.1/2÷40 B.1/4÷20 C.15÷1/5 D.6÷1"10 None of these have the quotient of 5. So what are we doing wrong cause none have the choice of ...

*March 17, 2016*

**English Literacture**

In To Kill A MockingBird book by Harper Lee. What is the Boo Radley game? Who plays it and how do the different characters feel about it? In your response refer closely to the text to build a convincing argument.

*March 14, 2016*

**History**

Why do you think women and children remain the most vulnerable populations on the planet ? plez help me

*March 12, 2016*

**Physics (Inside the atom)**

A sample of radioactive isotope I is to be used for medical diagnosis of the kidneys. The isotope has a half-life of 8.0 days, and the sample is required to have an activity of 8 x 10^5 per second at the time it is given to the patient. Calculate the mass of the I-131 present ...

*March 10, 2016*

**algebra**

A family is building a circular fountain in the backyard the yard is rectangular and measures 6x by 7x and the fountain is going to be circular with a radius of 2x once the fountain is built what will be the area of the remaining yard?

*March 9, 2016*

**Physics - sound**

How can one recognise the beat frequency from a graph? Why is the beat frequency equal to the difference of the frequency of the two waves?

*March 7, 2016*

**Statistics**

Long form: 0.19 / (square root of n) = 0.01 multiply both sides by (square root of n) which gives you: 0.19 = (0.01) x (square root of n) divide both sides by 0.01 which gives you: 0.19 / 0.01 = square root of n both sides to the power of 2: (0.19 / 0.01)^2 = (square root of n...

*March 5, 2016*

**physics**

A car moves 3 kph. Car B which is 50 m ahead of Car A is moving at 6 kph. If car A accelerates by 5m/s/s, determine if the cars will collide.

*March 2, 2016*

**science**

A car moves 3 kph. Car B which is 50 m ahead of Car A is moving at 6 kph. If car A accelerates by 5m/s/s, determine if the cars will collide

*March 2, 2016*

**PHYSICS**

a student consumed a 0.23 kg of juice with 115 calories per 1.15 serving. How much work you must perform to remove these calories?

*March 1, 2016*

**geometry**

. In , AD and BE are the altitudes to BC and AC respectively. If AD = 8 cm, BC = 10 cm and AC = 12 cm, find the length of BE.

*February 29, 2016*

**Mathematics**

How would I differentiate y = 4cos(2x)cos(3x) u = cos(2x) u' = -2sin(2x) v = cos(3x) v' = -3sin(3x) This is all I have so far

*February 27, 2016*

**PHYSICS**

A CHILD CONSUMED .23 KG OF JUICE WITH 115 cALORIES PER 1.15 SERVING. HOW MUCH WORK MUST PERFORMED TO REMOVE THESE cALORIES?

*February 27, 2016*

**PHYSICS**

im sorry , there is no unit indicated in 1.15 and the calories is with the small c :)

*February 27, 2016*

**PHYSICS**

A CHILD CONSUMED .23 KG OF JUICE WITH 115 CALORIES PER 1.15 SERVING. HOW MUCH WORK MUST PERFORMED TO REMOVE THESE CALORIES?

*February 27, 2016*

**Chemistry**

How does salt hydrolysis work between sodium hydroxide and lactic acid in a titration?

*February 25, 2016*

**Maths**

How do you derive: 2cos(3-2x)?

*February 24, 2016*

**history**

was the murder of Franz Ferdinand the main cause of ww1 Due on 24/2

*February 22, 2016*

**ELA**

The magistrate uses a riddle to decide the case because he wants to give a fair chance to both the farmer and the shepherd.

*February 21, 2016*

**math**

the answer if 5

*February 19, 2016*

**Chemistry: stoich**

4. Suppose that an excess of propane, C3H8 , burns in 320 g of oxygen, How many moles of water will be formed? C3H8 + 5 O2 --> 3 CO2 + 4 H2O (1 point) 6.02 E 23 moles 1600 moles 4.0 moles 8.0 moles

*February 16, 2016*

**Chemistry**

5. How many grams of iron oxide can be produced from 2.50 g of oxygen reacting with iron, according to the following equation? 2 Fe (s) + 3 O2 (g) -->2 Fe2O3(s)

*February 16, 2016*

**Chemistry**

5. How many grams of iron oxide can be produced from 2.50 g of oxygen reacting with iron, according to the following equation? 2 Fe (s) + 3 O2 (g) -->2 Fe2O3(s)

*February 16, 2016*

**Algebra**

In a right triangle, one angle measures x degrees where sin x degrees= 5/8. What is the value of cos (90 degrees-x) ?

*February 14, 2016*

**physics **

Given that A= 4.00i(hat)+ 10.0j(hat)and B = 3i(hat)-5.00j(hat), find the magnitude and directions(i.e., angle with respect to the +x axis) of C= A+B magnitude = 8.6 I cant find out how to find the angle

*February 10, 2016*