Friday

January 20, 2017
Total # Posts: 104,105

**Math**

that is not true. i know how it feels to be behind in math . jeez

*October 27, 2016*

**english**

Are those questions from teas 6?

*October 27, 2016*

**math**

Can you describes more detail, Please!

*October 26, 2016*

**math**

Andy finished his job 50% more work then Ali in the same amount of time. Both of them take 10 hours to finish a job. How many hours Ali to finish the same job?

*October 26, 2016*

**Maths**

A records voltages from 0 volts to 20 volts. If the average value for three readings on the meter was 16 volts, then what the smallest number possible reading, in volts?

*October 26, 2016*

**physics**

Fgvsyhgdih Gbgkn Hvgshv Gbgkn Chfuvuv Gjvug

*October 26, 2016*

**Math**

I'm estimating each product of fractions and whole numbers. I need to understand the steps to find the answers..... example: 5/7of22?

*October 26, 2016*

**Maths**

in a class of 73 children, 43 play bowling, 44 play softball and 17 play neither sport? How many play only bowling?

*October 26, 2016*

**maths**

what time on Friday is 10 hours 47 minutes before 09:26 on Saturday exactly on 24-hours watch?

*October 26, 2016*

**Math**

How do you use associative property to compute 2x8x2 mentally

*October 26, 2016*

**Math**

The first pattern of triangles it uses 4 matches ( 3 matches for build a triangle and 1 matches for connected to other triangles). a)Find the number of triangles if there are 100 matches? b) write the formulas

*October 26, 2016*

**History**

I said change because wouldn't that be a complete change? The interaciton differed? But if it is continuity does that mean like it's still a continuation of the same idea which is interaction, but it is just to a greater extent? So some things did change but its still ...

*October 26, 2016*

**History**

interaction between states and civilizations occurred to a greater extent than ever before in the third wave civilization period---is this a change or a continuity? * Change?

*October 26, 2016*

**History**

How were third-wave empires different from those of earlier periods? *

*October 26, 2016*

**Physics**

Still need help!!

*October 26, 2016*

**Physics**

A point mass block slides without friction on the loop-de-loop track of radius R as shown. From what height h must it be released from rest in order to make it around the loop without leaving the track? Show the equation and then plug the numbers into that equation and show ...

*October 26, 2016*

**Physics**

Still need help!!

*October 26, 2016*

**Physics**

Two identical massless springs of constant k = 200N/m are fixed at opposite ends of a level track, as shown. A 5 kg block is pressed against the left spring, compressing it by 0.15m. The block is then released from rest. The entire track is frictionless except for the region ...

*October 26, 2016*

**Physics**

Still need help!

*October 26, 2016*

**Physics**

How much work must be performed by a hand or other such agent to move the 8kg block very slowly 10 cm to the right if the attached spring was initally relaxed? Let k = 200 N/m and mK = 0.5. Show the equation and the plug the numbers into the equation and then the answer at the...

*October 26, 2016*

**Physics**

I still need help!!

*October 26, 2016*

**Physics**

A 3 kg object initially at rest is acted on by a non-constant force which causes it to move 3 m. The force varies with position as shown in the figure. a) How much work is done on the object by this force? b) What is the final speed of the object as it arrives at x=3m? Assume ...

*October 26, 2016*

**Chemistry**

The solubility of KI in ethyl alcohol is 2.00 grams of KI in 100.0 grams of this alcohol. From this information, calculate the molarity of this solution.

*October 26, 2016*

**Math**

Yellow=14 Blue=2 x yellow Red=2 x blue Blue=2x14=28 Red=2x28=56 Yellow=14 Blue=28 Red=56 14+28+56=Total Total=98

*October 26, 2016*

**Math**

Santo has 14 yellow markers. He has twice as many blue markers as yellow markers. He has twice as many red markers as blue markers. How many markets does he have in all?

*October 26, 2016*

**Aria**

A) Plug in 50 for s in the equation. 50=-16t^2+100t Move the 50 over. 0=-16t^2+100t+50 Use the quadratic formula to solve for t and neglect the negative answer. If you don't know the quadratic formula, it's: (-b plus or minus the square root of b^2-4ac)/2a B)Plug 0 in ...

*October 26, 2016*

**Spanish**

Yes, you did it right. In case you needed the endings, here they are: Yo: é Tú: ás El/ella/ustéd: á Nosotros: emos Vosotros: éis Ellos/ellas/ustédes: án Your irregulars are right too, so good job. I always had trouble ...

*October 26, 2016*

**Chemistry**

Would the answer be 49.44 moles?

*October 26, 2016*

**Chemistry**

It's supposed to be 6.55 lbs.

*October 26, 2016*

**Chemistry**

A gallon of isopropanol (IPA) weighs 6,55 lbs. Since 1 lb=453.6 grams, calculate how many moles of ethanol (MM=60.1 grams per mole) are in a gallon of this substance.

*October 26, 2016*

**Math**

The first step is to determine how much square footage you need. You can do this by riding the total area of the two rugs. 12 x 23=276 sq. feet But since you need two: 276 x 2=552 sq. feet Now, you can calculate the cost. 552 sq. feet x $6=$3,312

*October 26, 2016*

**SOCIAL STUDIES HELPP**

OMG SOO DAAANK 100%

*October 26, 2016*

**Algebra 1**

Choose the correct solution in roster form. N is the set of natural numbers that are factors of 12. {1, 2, 3, 4, 6} {1, 2, 3, 4, 6, 12}** {1, 2, 3, 4, 5, 6, 8, 12} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

*October 26, 2016*

**Algebra 1**

Suppose U = {1, 2, 3, 4, 5, 6, 7, 8} is the universal set and P = {2, 4, 6, 8}. What is P' ? {2, 4, 6, 8} {1, 2, 3, 4, 5, 6, 7, 8} {1, 3, 5, 7}** {1, 3, 5, 7, 8}

*October 26, 2016*

**Algebra 1**

Write the solution to the inequality in set-builder notation. 5r + 8 < 63 {r | r < 11}** {r | r < 15} {r | r < 71} {r | r < 8}

*October 26, 2016*

**Physics**

bob what is the answer

*October 26, 2016*

**Physics**

A ball of mass 8 kg moving with a speed of 2m/s and rebounds with the same speed.Determine the impulse experienced by the ball.

*October 26, 2016*

**7th American History**

Thank you!

*October 26, 2016*

**7th American History**

@Mrs.Sue

*October 26, 2016*

**7th American History**

Can someone help me please? I have to summarize why John Adams was not reelected in the election of 1800. I know that he wasn't because he declared war on his first term and Thomas Jefferson was a popular candidate, but are there any more reasons?

*October 26, 2016*

**Physics**

Since moment of inertia is a scalar quantity, a compound object made up of several objects joined together has a moment of inertia which is the scalar sum of the individual moments of inertia. A) A wooden cylinder has mass m and radius R. To be used as a machine part, its ...

*October 26, 2016*

**Physics**

I'm just pretty confused

*October 26, 2016*

**Physics**

A ball is tied to a string and whirled in a horizontal circle at a constant 4 revolutions per second. Categorize the following according to whether they are 0 in value, constant in value, or change: v: linear speed (scalar) v: linear velocity (vector) ar: radial (centripetal) ...

*October 26, 2016*

**american history**

what event led to the first shots being fired at the battles of lexington and concord

*October 26, 2016*

**History**

1. How did the Magna Carta affect the power of the English king? A. It had no effect on the king's power. B. It closely linked the king's power to the power of the nobles. C. It weakened the king's power. D. It strengthened the king's power. 2. What was ...

*October 26, 2016*

**Calculus**

Find the slope of x^2-16xy+y^2=1 at (1,1). Is this -1?

*October 26, 2016*

**geography**

during what period of time did global interdependence first emerge

*October 26, 2016*

**math**

Stanley has 3 times as much savings as Chole. Aaron has $38 less than Chole. They have a total savings of $2822. How much savings does Aaron have?

*October 26, 2016*

**query**

Any another method to solve it

*October 26, 2016*

**interior decoration**

the desk drawer should slide smoothly across

*October 25, 2016*

**Algrebra**

I don't understand on how to answer this question. Could you please help and tell me the parts for the graphs? 1) X,Y is a point in the first Quadrant Identify the location of: A.(-X,Y) B.(X,-Y) C.( -X,-Y) 2) X,Y is the point on the second quadrant. Find the location of: A...

*October 25, 2016*

**Physics**

yess! I can't figure this one out.

*October 25, 2016*

**Physics**

Are you in neils class too?

*October 25, 2016*

**Chemistry**

In a three reactions system the first two reactions are endothermic with DeltaH values of 138kj and 241kj. if the final reaction is exothermic what is the minimum value of DeltaH3 that would make the overall reaction exothermic? explain your reasoning. i beleive the minimum ...

*October 25, 2016*

**algebra**

One hundred fifty and fifty-seven hundredths in decimal notation ?

*October 25, 2016*

**science**

dumb

*October 25, 2016*

**science**

1.2 billion

*October 25, 2016*

**Math**

A year on Mars is 1.88 Earth years. If you are 13 years old on Earth, how old would you be on Mars? I don't know if I am supposed to multiply or divide. I also don't understand what the question is trying to state. Thanks

*October 25, 2016*

**math**

A man is five times older than his son. Four years ago, the product of their ages was 448. Find their present ages. (5x X x) - 4 = 448 x = 9.507

*October 25, 2016*

**math**

A man is five times older than his son. Four years ago, the product of their ages was 448. Find their present ages. (5x X x) - 4 = 448 x = 9.507

*October 25, 2016*

**math**

a class of 51 students ,23 are freshman,and 28 are juniors what fraction of students are freshaman

*October 25, 2016*

**Ela**

liul

*October 25, 2016*

**Maths**

8 people in the playground. How many ways can 6 people be selected to play? Find the rule.

*October 25, 2016*

**Maths**

Morgan combines 48 red marble and 45 blue marble, he divides them equally into baskets. Find the rules.

*October 25, 2016*

**Maths**

Morgan combines 48 red marble and 45 blue marble, he divides them equally into baskets. Find the way how he writes.

*October 25, 2016*

**stats**

A preliminary survey shows that 35% of college students smoke. In a class of 42 students, what is the probability that more than half the students smoke? Use Appendix B.1 for the z-values. (Round the z-value to 2 decimal places and the final answer to 4 decimal places.)

*October 25, 2016*

**Torque**

The meterstick shown to the right is 100 cm long. It is free to pivot around its center of gravity (CG), which is at the 50-cm mark. There is a 25.0-N block hanging from the 80-cm mark. Decide where each of the other blocks should be placed, one at a time, to balance out the ...

*October 25, 2016*

**chemistry**

Calculate the mass of oxalic acid needed to prepare 150 ml of 0.442 M C2H2O4.

*October 25, 2016*

**social studies**

russias economy is complicated most by?

*October 25, 2016*

**Language Arts**

Okay, sooo if Ms. Sue lazy ass doesn't want to help me can anyone else?

*October 25, 2016*

**Language Arts**

Can someone help? Please?

*October 25, 2016*

**Language Arts**

I think the answers are: 1. is 1 2. is 2 3. is 1 and 2 4 is 4

*October 25, 2016*

**Language Arts**

I think the answers are: 1. 2 2. 4 3. 1, & 2 4. 4

*October 25, 2016*

**Language Arts**

Please help me with these questions and answer them all if you can. The electoral college determine who becomes president and vice president. each state is given two votes in the college, as well as extra seats based on the states population. what is the purpose of the ...

*October 25, 2016*

**Maths GRE**

correct

*October 25, 2016*

**Math**

What is 699 divided by 40% equal

*October 25, 2016*

**math**

2/5 * 3/5

*October 25, 2016*

**math**

a person spent $20 000 to the nearest thousand naira

*October 25, 2016*

**Math**

the answer is 30 Because 15 is 50 percent of 30 30 divided by 100 is 0.3 0.3 times 40 equals 12

*October 24, 2016*

**Math**

16.8

*October 24, 2016*

**Chemistry**

Calculate the mass of water produced when 9.53 g of butane reacts with excess oxygen

*October 24, 2016*

**algebra**

On average a family of four consums 247.2 gallons of water per day. Calculate the quarterly bill for family of four

*October 24, 2016*

**Physics**

A 1.96 kg toy train rolls around a circular horizontal track. If the train has an angular acceleration of -1.95 rads/s2 and is released with an angular speed of 33.0 rpm, what time is required for the train to come to a complete stop?

*October 24, 2016*

**Physics**

So the answer is 19.6 m/s right?

*October 24, 2016*

**Physics**

The 10 kg mass is released from rest at a height of 1m above the floor. If the co-efficient of kinetic friction between the 5 kg mass and the table is 0.28, what will be the speed of the 10 kg mass just before it hits the floor? Please show the equation and then plug the ...

*October 24, 2016*

**chem**

what must happen for an element to emit visible light

*October 24, 2016*

**math**

When making a batch of orange juice, Jakie used 5 times as much water then concentrate. There were 32 more cups of water than concentrate

*October 24, 2016*

**Physics**

Thank you!

*October 24, 2016*

**Physics**

Jane swings on a 30m long vine initially inclined at an angle of 37o from the (downward) vertical. What is her speed at the bottom of her swing if a) she starts from rest? b) she pushes off with an initial speed of 4 m/s? Help please. Show the equation and then plug in the ...

*October 24, 2016*

**Physics**

Thank you so much!

*October 24, 2016*

**Physics**

A pitcher hurls a 0.25kg ball around a vertical circular path of radius 0.6 m, applying a tangential force of 30N, before releasing it at the bottom of the circle (underhand pitch). If the speed of the ball at the top of the circle was been 15 m/s, what will be the speed just ...

*October 24, 2016*

**Math**

In physics, one learns that the height of an object thrown upward from an initial height of h0 feet with an initial velocity of v0 (in feet per second) is given by the formula h(t)=−16t^2+v0t+h0 feet where t is the amount of time in seconds after the ball was thrown. ...

*October 24, 2016*

**Math**

Monica stepped outside and began to think how fast she is moving even when she is standing still. Assume that the earth is a sphere with a radius of 3960 miles and Monica is at a latitude of 13∘N. What is Monica's speed due solely to the rotation of the earth in ...

*October 24, 2016*

**Math, Precalc**

just place the right side over a common denominator and equate the coefficients of the polynomials. You will get three equations in A,B,C. Solve them to get (9,6,1)

*October 24, 2016*

**Math, Precalc**

Find values of the constants A, B, and C such that (16x^2+48x−216)/(x^3−36x)=A/(x−6)+B/(x)+C/(x+6).

*October 24, 2016*

**Physics**

why do people bother posting here, these questions never get andswered

*October 24, 2016*

**History**

Who first thought they had encountered the ten "lost tribes"? This question is a response question if you can write it in a few sentences if not that's fine.

*October 24, 2016*

**Chemistry**

In a three reactions system the first two reactions are endothermic with DeltaH values of 138kj and 241kj. if the final reaction is exothermic what is the minimum value of DeltaH3 that would make the overall reaction exothermic? explain your reasoning. i beleive the minimum ...

*October 24, 2016*

**chemistry**

How much heat (in kilocalories) is evolved or absorbed in the reaction of 1.60 g of Na with H2O? 2Na(s)+2H2O(l)→2NaOH(aq)+H2(g), ΔH = -88.0 kcal (-368 kJ)

*October 24, 2016*

**Chemistry**

Na2CO3(aq)+ 2HNO3(aq)--> 2NaNO3+H2O(l)+CO2(g) how do I get net ionic?

*October 24, 2016*