Tuesday

January 24, 2017
Total # Posts: 1,637

**Chemisty**

In an experiment, 6.25 g of NH3 are allowed to react with 8.50 g of O2. The chemical equation for the reaction is 4NH3 + 5O2 ? 4NO + 6 H2O. How many grams of water are produced? Which reactant limits the production of water? Which reactant is in excess?

*December 20, 2016*

**physical science**

How does the elasticity of a medium affect the speed of a wave

*December 16, 2016*

**American Government**

"The judicial Power shall extend to all Cases, in Law and Equity, arising under this Constitution, the Laws of the United States, and Treaties made, or which shall be made, under their Authority..." Read the passage. How does the Constitution establish the powers of ...

*December 13, 2016*

**American Government**

Which process came under scrutiny during the 200 presidential election of George W. Bush? (1 point) A) Due process B) Electoral College C) Declare war D) Legislative process

*December 13, 2016*

**American Government**

Which of the following international actions may a president do without congressional approval? (2 points) Select all that apply. A) Negotiate executive agreements B) Make treaties C) Declare war D) Engage the military in combat operations

*December 13, 2016*

**math check my answer please**

Ok thank you!

*December 11, 2016*

**math check my answer please**

What is the smallest perfect cube that has a factor of 4725? Factors of 4725 are 3,3,3,5,5,7 I have 3^3 and 5^2 and 7. So I need 1 more 5 and 2 more of 7 So: 3^3*5^3*7^3 = 1157625 When I cube root 1157625 it is 105. So is this the answer? The smallest perfect cube that has a ...

*December 11, 2016*

**math check my answer please**

Simplify 3?125a^1b^3 (By the way,in 3?, 3 is the index) 3?125a^1b^3 3?125 * 3?a^1 * 3?b^3 5 * 3?a^1 * 3?b^3 I'm stuck what to do next.

*December 9, 2016*

**math help**

Simplify ?48ab^2 I'm not sure how to do this. Please help me and explain how you got the answer. Thank you so much. After I understand, I want to try the rest questions I was assigned and if you can, please let me know if it's right or wrong.

*December 9, 2016*

**Mat221**

Factoring with two variables Factor each polynomial X^2-25x+150

*December 7, 2016*

**Algebra**

June has $1.95 in dimes and nickels. She has a total of 28 coins. How many dimes and how many nickels does she have?

*December 4, 2016*

**Finance**

10. The following balance sheet extract relates to the ABC Company. Bonds Payable $1,600,000 Common Stock $5,000,000 Preferred Shares $2,550,000 Additional Information: i. The bonds are 8%, annual coupon bonds, with 9 years to maturity and are currently selling for 95% of par...

*November 24, 2016*

**College algerba**

The? half-life of a certain radioactive element is about 1500 years. After 2800 ?years, what percentage P of a sample of this element? remains?

*November 14, 2016*

**Physics**

An object consists of 5 masses, each of mass m, connected by massless rods. The two short rods have length L and the two long rods have length 2L. What is the moment of inertia about an axis perpendicular to the diagram (out of the page) and through the mass labeled x (the ...

*November 10, 2016*

**math**

MS. SUE!!!!

*November 9, 2016*

**math**

Did you work it out or anything? I can not fail anything else.

*November 9, 2016*

**math**

The graph shows the heights, y (in centimeters), of a plant after a certain number of weeks, x. Shania drew the line of best fit on the graph. A graph titled Plant Height shows Number of Weeks on x axis and Height of Plant in cm on y axis. The scales on both x and y axes are ...

*November 9, 2016*

**math**

Round these nuembers to the nearest ten 51,85,67

*October 25, 2016*

**American Government, Lesson 1 Unit 3**

When the Framers created the legislative branch of government, why did they decide that this branch would have a bicameral structure?

*October 10, 2016*

**Math**

Victoria buys two pairs of sunglasses for $8 each about how much did she pay for both pairs of glasses round to the nearest ten solve the problem using the four step plan.

*September 29, 2016*

**Algebra 2**

A set of data with a mean of 64 and a standard deviation of 5.9 is normally distributed. What value is within +3 standard deviation of the mean?

*September 26, 2016*

**Physics**

What is the airspeed relative to the ground of an airplane with an airspeed of 120km/h when it is in a 90-km/h crosswind?

*September 21, 2016*

**Psychology 101**

which of the following is TRUE? (Points : 1) IQ does not change. IQ tests favor minority groups. IQ tests typically measure creativity. IQ predicts success in school.

*September 19, 2016*

**Algebra**

Goran borrowed 8000at a rate of 7%, compounded semiannually. Assuming he makes no payment, how much will he owe

*September 15, 2016*

**World History**

Thank u so much Nikki.

*September 14, 2016*

**Chemistry - Enthalpy**

"Calculate the enthalpy of vaporization of water given that, when 5.00 grams of steam (gaseous H2O) at 100°C was introduced into a beaker containing 500 grams of water at 20.0°C, the temperature rose to 26.2°C." H2O (l) -> H2O (g) ΔH = ΔH_vap...

*September 6, 2016*

**Math**

Chris has a 10 foot long strip of red ribbon and a 15 foot long strip of blue ribbon. A] draw a diagram to show the relationship of the length of the red ribbon to the length of the blue ribbon. B] write a ratio to describe the relationship of the length of the red ribbon to ...

*September 5, 2016*

**Calculus the derivative**

The height in feet of a free falling object t seconds after release is s(t)=-16t^2+ v_0t+s_0, where s_0 is the height(in feet) at which the object is realsed, and v_0 is the initial velocity (in feet per second). Suppose the coin is dropped from a height of 1454 feet. D. At ...

*July 18, 2016*

**Calculus the derivative**

Can you please check my answers and help me fix the one I don't or or did wron . The height in feet of a free falling object t seconds after release is s(t)=-16t^2+ v_0t+s_0, where s_0 is the height(in feet) at which the object is realsed, and v_0 is the initial velocity (...

*July 18, 2016*

**Socials Studies (Help please)**

in what ways did politicians expect confederation to solve economic problems in the colonies?

*July 13, 2016*

**Socials Studies**

Explain why few Black people, Native people, or other minorities became involved in the Rebellions of 1837

*July 10, 2016*

**Chemistry**

3 Cl2 + 6 KOH go to KClO3 + 5 KCl + 3 H2O how many moles of KClO3 form when 2 grams of KOH react completely

*June 22, 2016*

**2nd year Spanish**

Thank you Trish

*May 19, 2016*

**Math calculation**

A stock bottle contains 2.5 L of solution. How many 2 oz bottle can be filled using the stock solution?

*May 16, 2016*

**Math calculation**

A stock bottle contains 2.5 L of solution. How many 2 oz bottle can be filled using the stock solution?

*May 14, 2016*

**Math (please help)**

yeah I changed my answer to d and got it right, thanks anyways :)

*May 10, 2016*

**Math (please help)**

Maria wants to cover the box shown below with paper.Which of the following could be the dimensions of the paper so that Maria has enough to cover the box, including the ends, with a little left over? Shape: Rectangular Prism Length:8 in Width: 2 in Height: 2 in A) 8 in x 4 in ...

*May 10, 2016*

**math**

What is 201.142857143 rounded to the nearest hundredth?

*May 7, 2016*

**math**

a wire is bent to form four semicircles all with diameters of 32 cm, how long is the wire? round to the nearest hundredth

*May 7, 2016*

**Statistics**

It is claimed that 70% of the cars on the Valley Highway are going faster than 65 miles per hour. A random sample of 12 cars was observed under normal driving conditions with no police car in sight. (A) What is the probability that all of them were going faster than 65 miles ...

*May 4, 2016*

**Physics**

A swimmer dives off a block into the water. The block is 31 inches above the surface of the water. Using projectile motion, what angle did they dive to reach point A on the surface of the water? I don't know what the variables stand for in this problem. Xf = Xi + Vixt + 1...

*May 2, 2016*

**Physics help Rolling Motion!!**

A spherically symmetric object with radius R= 0.51m and mass of M= 3.5kg rolls without slipping accross a horizontal surface with velocity of V = 4.4m/s. It then rolls up an incline with an angle of 30 degrees and comes to rest a distance d = 2.2m up the incline, before ...

*April 28, 2016*

**Physics Volume question!!!**

You are watering your lawn with a hose when you put your finger over the hose opening to increase the distance the water reaches. If you are pointing the hose at the same angle and the distance the water reaches increases by a factor of 4, what fraction of the hose opening did...

*April 27, 2016*

**chemistry**

Calculate the de Broglie wavelength (in pm) of a hydrogen atom traveling 450 m/s .

*April 24, 2016*

**Life orientation**

Can u plz help me am doing a school project plllzzz I beg u guyz answer the questions

*April 23, 2016*

**Math**

answer is 1/2 p(wednesday|friday)=p(Fridayand Wednesday)/p(Friday) 7/20/7/10=1/2

*April 19, 2016*

**Math**

Which function models the number of mold spores on the bread after x days?

*April 15, 2016*

**AP Physics**

An electric furnace runs nine hours a day to heat a house in January (31 days). The heating element has a resistance of 10.6 ohms and is hooked up to a 240 Volt potential. What does it cost to run the furnace in the month of January if the cost of electricity is $0.15 per KW*...

*April 12, 2016*

**AP Physics**

Point A is 2.0 meters away from a charge of -3.o(Mu) and 3.0 meters away from a charge of +1.5(Mu) as shown. A) Find the net Electric field at point A B) Find the total electric potential at point A.

*April 12, 2016*

**AP Physics**

Two identical, small balls are suspended by separate 0.25m threads that are attached to a common point on the ceiling. Each ball has a mass of 8.0 x 10^-4 kg. Initially the balls are uncharged and hang straight down. They are then given identical positive charges and, as a ...

*April 12, 2016*

**Math**

List All Of The Integers There Are Between The Square Root Of 13

*April 10, 2016*

**math**

If Energy equals MC squared what does light equal?

*April 2, 2016*

**AP Chemistry**

A 190 mL sample of 0.293 M NaCH3CO2(aq) is diluted to 750 mL. What is the concentration of the acetic acid at equilibrium? Ka =1.8×10−5. Answer in units of mol/L.

*March 29, 2016*

**civics**

The united states supreme court case United States v. Nixon led to A. gaining executive privilege B. limits to executive privilege C. Nixon keeping the tapes private D. Nixon losing his re-election I think its A but need some help

*March 19, 2016*

**math**

As dry air moves upward, it expands and in so doing cools at a rate of about 10C for 100m rise, up to about 12 km. a) If the ground temperature is 220, write a formula for the temperature at height x km. b) What range of temperature can be expected if a plane takes off and ...

*March 14, 2016*

**math**

The business opened with a debt of $3400. After 4 years, it accumulated profit of $4900. Find the profit as a function of time t, knowing the profit function is linear. P(t)=

*March 13, 2016*

**MATH**

As dry air moves upward, it expands and in so doing cools at a rate of about 10C for 100m rise, up to about 12 km. a) If the ground temperature is 220, write a formula for the temperature at height x km. Answer: b) What range of temperature can be expected if a plane takes ...

*March 13, 2016*

**Algebra**

Nevermind

*February 25, 2016*

**Algebra**

Did you mean (16/2)^2=64(x+8)^2?

*February 25, 2016*

**Algebra**

For what real values of c is x^2 + 16x + c the square of a binomial? If you find more than one, then list your values in increasing order, separated by commas.

*February 25, 2016*

**History**

I agree with Damon

*February 25, 2016*

**History**

You are correct.

*February 25, 2016*

**History**

Yea you are

*February 24, 2016*

**History**

@Ms.Sue

*February 23, 2016*

**History**

The Bourbon Democrats would have been likely to support which of the following? (Choose all that apply.) 1. lower taxes 2. less government spending 3. growth of industry 4. African American rights 1 and 4 ?

*February 23, 2016*

**Math**

Find the missing dimension. Height=15ft Area=285ft2

*February 22, 2016*

**Algebra**

PLEASE HELP!!! Write a function rule that represents each sentence.: 1. 7 less than three times m is n. 2. 14 more than the quotient of a number t and 10 is u.

*February 17, 2016*

**Chemistry**

Determine the vapor pressure (in atm) of water in an aqueous solution of 12% by mass ethylene group (antifreeze) if the vapor pressure of pure water at that temperature is 0.095 atmospheres.

*February 15, 2016*

**Physics**

A toboggan approaches a snowy hill moving at 11.1 m/s . The coefficients of static and kinetic friction between the snow and the toboggan are 0.410 and 0.280, respectively, and the hill slopes upward at 42.0 ∘ above the horizontal. A)Find the acceleration of the toboggan...

*February 14, 2016*

**Science**

1. If the net force on an object is O N, the forces are considered unbalanced. true false** 2. Most people in the United States use feet and miles to measure distance in their everyday lives. Why do scientists in the United States use meters to measure distance? Meters allow ...

*February 11, 2016*

**Science**

1. If the net force on an object is O N, the forces are considered unbalanced. true false** 2. Most people in the United States use feet and miles to measure distance in their everyday lives. Why do scientists in the United States use meters to measure distance? Meters allow ...

*February 11, 2016*

**History**

Hey i think that is the best answer also. Great job

*January 31, 2016*

**Science Plzz correct me!!!**

What would happen to an object if the force of gravity on Earth was decreased by half? (1 point) Its mass would decrease. Its weight would decrease.* Its density would decrease. Its volume would decrease. 2. Which of the following represents a heterogeneous mixture? (1 point) ...

*January 27, 2016*

**Math**

which of the following can represent the measure of the three angle in an acute triangle? A. 59, 61,62 B. 30, 25, 125 C. 56,72,52•• D. 90, 45, 45 Plz correct me!!

*January 27, 2016*

**Science**

1. What would happen to an object if the force of gravity on Earth was decreased by half? (1 point) Its mass would decrease. Its weight would decrease.* Its density would decrease. Its volume would decrease. 2. Which of the following represents a heterogeneous mixture? (1 ...

*January 27, 2016*

**Connexus Help me!!**

7 grade

*January 27, 2016*

**Math**

How do you draw a number line to figure out if 3/8 and 3/4 is equivalent?

*January 21, 2016*

**langauge arts**

yea then why am I still typing

*January 19, 2016*

**langauge arts**

well I got a zero anyways crack heads

*January 19, 2016*

**langauge arts**

can someone help me

*January 19, 2016*

**langauge arts**

Yes sir I understand.

*January 19, 2016*

**langauge arts**

is the answer c

*January 19, 2016*

**langauge arts**

Mrs reed plz help

*January 19, 2016*

**langauge arts**

1.D 2.c im not sure

*January 19, 2016*

**langauge arts**

Which of the following forms of poetry expresses the thoughts and feelings of a single speaker, often in highly musical verse. Limerick my answer Free verse Haiku Lyric Which of the following pairs of poetry elements best help the reader to identify the poem's tone? Rhyme ...

*January 19, 2016*

**language arts**

kind of

*January 19, 2016*

**language arts**

Ok so I read my book and the first one is metophor

*January 19, 2016*

**language arts**

I did mrs.Reed.

*January 19, 2016*

**language arts**

If Aliteration is closly connected words And repetition is the use of more than one. The I pick aliteration.

*January 19, 2016*

**language arts**

1.2 3.Im kindy between A and b because A is constant sounds and b is the use of 1 or more elements.

*January 19, 2016*

**language arts**

Which of the following name figurative Language. Metaphor Rhythm Definition my answer Dialogue Which of the following lines of poetry contains a simile The smell of sweet happiness swirls from the bakery door The last bird-song of the day greets the night's first star ...

*January 19, 2016*

**please help**

English or science but I mostly think English.

*January 19, 2016*

**Mathematics**

A drug response curve describes the level of medication in the bloodstream after a drug is administered. A surge function S(t) = At^(p)e^(−kt) (where t > 0) is often used to model the response curve, reflecting an initial surge in the drug level and then a more ...

*January 17, 2016*

**history**

The answer is B.

*January 14, 2016*

**Geometry**

A student wants to determine the height of a tree. She knows that her six foot tall Teacher cast a 10 foot long shadow at the same time that the tree has a 45 foot long shadow. How tall is the tree?

*January 11, 2016*

**History. Please Help!!**

Is 3 b?

*January 9, 2016*

**History. Please Help!!**

I don't know the answers to either.

*January 9, 2016*

**History. Please Help!!**

3. The French and Indian War is often viewed by historians as being a factor in causing the American Revolution. Which of these best explains why this might be the case? a. The Indians believed the colonists would return seized lands to them. b. The British were able to defeat...

*January 9, 2016*

**History**

I know 2 is c. I didn't mean to put that one on here. But is 1 a? @ms.sue

*January 9, 2016*