Wednesday

July 23, 2014

July 23, 2014

Total # Posts: 271

**chemistry**

Which of the following are single replacement reactions? Choose all that apply. Question 1 options: NaHCO3(s) + HCl(aq) → NaCl(aq) + CO2(g) + H2O(l) Zn(s) + 2 HC2H3O2(aq) → Zn(C2H3O2)2(aq) + H2(g) N2(g) + 3 H2(g) → 2 NH3(g) 2 AgNO3(aq) + Cu(s) → 2 Ag(s)...

**MATH**

i have prblm in mths

**College Physics**

F*sin(35) * 4.5=90*9.8*4.5/2 Then solve for F.

**science**

i think is....(D)

**science**

which of the following body systems does NOT rely on the autonomic nervous system to stimulate involuntary events? A. Skeletal System B. Digestive System C. Circulatory System D. Respiratory System

**Language arts**

thanks...

**math**

a box can holds 4 rows of 5 cubes in its first layer which expression should i use to get my answer

**math**

no*

**math**

I no. I was thinking it might have been the right answer, but I wasn't 100% sure

**math**

Omg see, I knew I wasn't right lol

**math**

I think it's $765.00. Not 100% sure though

**hi**

There was 4 answers: tundra temperate forest grassland rainforest

**hi**

I guess Tundra

**hi**

what land biome has the lowest humidity

**help**

Can someone help me

**hi**

hi

**Math**

OOPS!! XD Sorry, lol! Ms. Sue knows EVERYTHING! :D

**Math**

Change them all into percents.

**Math**

76%,0.748,11/16

**math**

three plus variable

**Phys/Ed**

My Answers: 1-coordination,2-agility,3-her agility will likely improve. 4-power of the recovery stroke.5- yoga poses and skills. 6-stick handle the ball to a cone and shoot from that designated spot.7-extending their arms and maximizing the bat speed upon contact.8-sitting dow...

**physics**

A car accelerates from 0m/s to 51m/s with a displacement of 75 m. What is the car's acceleration

**physics**

A car accelerates from 0m/s to 51m/s with a displacement of 75 m. What is the car's acceleration

**Geometry **

1. If ΔRST symbol ΔNPQ, then RT line is congruent to _____. (1 point) line NP line NQ line PQ line QP 2. Given RST NPQ, RT = 7x – 5, NQ = 5x + 11, find the length of RT and of NQ. (1 point) 8 51 40 56 3. Which of the following statements is true about the triang...

**math**

How is testing a conjecture like finding a statement true or false? How is it different?

**Physics**

8.01 course ah?

**English**

No there not all the same, the verbs are a bit different. The similar sentence to 1) is 2)because observing is watching's synonym.

**chemistry**

what is the name of reaction for 3C2H2--> C6H6?

**work**

The equation x^2+(y-5)^2=64 models the boundary on a local map for which Darren can hear his friend Tom on his two-way radio when Darren is at home. How far (in miles) can Tom walk from Darren's home and still be heard?

**Math**

Winnie can use up to 10 coupons when buying a box of DVDs. Each coupon is worth $3. She bought a box of DVDs for $56 less the value of her coupons. a)choose a variable to represent the number of coupons. b)Write an Algebraic expression that describes the amount Winnie paid for...

**English**

it really did help thanks....

**math**

Bibi wants to send invitations to some of her friends to come to her birthday party. She has contact information for 37 friends stored on her phone, but she only wants to invite 21 of those people to her party. She tries to send out a message to the 21 people, but her phone ma...

**algebra 1**

is the last term a prefect square 24y if so factor it

**algebra 1**

3) why is it sometmes 4) idk

**algebra 1**

can you help me this

**algebra 1**

ok

**algebra 1**

3) for any factorable trinomial x^2+bx+c, will the absolute value of b sometimes,always, or never be less than the absolute value of c? explain idk 4) give an example of a trinomial that can be factored using the factoring techniques presented. then factor the trinomial. idk 5...

**spanish**

los

**algebra 1 help**

ok thank you

**algebra 1 help**

wait so the answer for 1)=-18 and 18

**algebra 1 help**

so thats the answer

**algebra 1 help**

thats it that was easy and 2*-4 1*-8 -1*8 -2*4

**algebra 1 help**

1,19

**algebra 1 help**

for 1) i did this k^2 - 4(1)(-19) = n^2 where n is any integer. k^2 + 76 = n^2 k = 18 and k = -18. 2) (-8)^2 - 4(1)(k) = n^2 where n is any integer. 64 - 4k = n^2 so k = 12 and k = 15.

**algebra 1 help**

find all values of k so that each polynomial can be factored using integers 1) x^2+kx-19 2) x^2-8x+k, k>0

**chemistry**

An automobile tire contains air at a pressure of 200. kPa and 25°C. The tire and its air heat up during traveling. If the pressure increases to 250. kPa but the volume remains the same, what is the temperature of the air inside the tire?

**Language Arts**

idk

**Language Arts**

whats the answer

**math**

A RECTANGLE HAS A WIDTH OF X CENTIMETERS AND A PERIMETER OF 8X CENTIMETERS. A SQUARE HAS SIDES OF LENGTH 1/4 THAT OF THE RECTANGLE A) FIND THE LENGTH OF THE RECTANGLE B) FIND THE PERIMETER OF THE SQUARE C) FIND HOW MANY CCENTIMETERS GREATER THE RECTANGLE IS THAN THE SQUARES PE...

**math**

1/2y = 9x + 5 3x = 6 - 1/3y

**math**

Kevin plotted a linear equation on a graph with 18 as the y-intercept. Which of the following could be the equation plotted by Kevin?

**math**

Kevin plotted a linear equation on a graph with 18 as the y-intercept. Which of the following could be the equation plotted by Kevin?

**math**

Kevin plotted a linear equation on a graph with 18 as the y-intercept. Which of the following could be the equation plotted by Kevin?

**Geology**

How were divisions of time separated when scientists created the geologic time scale? by the thickness of rock strata by the color of rock strata by the fossils found in rock strata by the location of rock strata

**English**

it was (A)

**english**

its either a or b

**english**

What does Mrs. Frank think of the idea of Peter being Anne’s boyfriend? She is thrilled that Anne will finally have a boyfriend. She doesn’t really care if Anne has a boyfriend. She is uncomfortable with idea that Anne might have a boyfriend.

**physics**

A particle moves along a circular path over a horizontal xy coordinate system, at constant speed. At time t1 = 4.60 s, it is at point (4.30 m, 6.20 m) with velocity (3.30 m/s) and acceleration in the positive x direction. At time t2 = 13.0 s, it has velocity (–3.30 m/s) a...

**Math Please it is Urgent!!!**

V-School? i have the same question

**Government & Politics**

Which of the following statements regarding the case, McClesky v. Kemp (1987), is TRUE? The Court upheld the constitutionality of the death penalty. The Court ruled that the death penalty did not violate the Fourteenth Amendment simply because minority defendants were more lik...

**chemistry**

Use the Method used in H4P2.

**Chemistry**

That could be the reason. Use the method used in H6P5.

**Chemistry**

Actually its 443

**econ**

$163,879.35

**World Cultures**

What role did Greeks play in the Maurya Empire creation? How did Ashoka develop Maurya power and prestige?

**PLEASE HELP geometry trapezoid problem please help**

The solution is incorrect. 8 and 10 are the diagonals of the trapezoid, not the sides. The solution is far more complex.

**science**

Sulfur vapor is analyzed by photoelectron spectroscopy (PES). Measurements determine that photoelectrons associated with the 1st ionization energy of sulfur move with de Broglie wavelength λ=3.591 A˚. What is the maximum wavelength (in meters) of radiation capable of...

**science**

Titanium (Ti) can be produced by the reaction of metallic sodium (Na) with titanium tetrachloride vapor (TiCl4). The byproduct of this reaction is sodium chloride (NaCl). Calculate the amount of titanium produced (in kg) when a reactor is charged with 61.0 kg of TiCl4 and 14.0...

**science**

Give the value of the 1st ionization energy of beryllium (Be). Express your answer in Joules (J/atom).

**science**

Estimate the 4th ionization energy of beryllium (Be). Express your answer in Joules (J/atom).

**Math**

Hi

**Math for Steve**

C B D C B

**Chemistry**

2C2H6 + 7O2-----> 6H2O + 4CO2

**AP Psychology**

Why would a neurosurgeon cut the corpus callosum and therefore disrupt left/ right brain hemisphere communication? reduce anxiety attacks and phobic reactions. prevent the spread of epileptic seizures. reduce the incidence of violent behaviors. treat schizophrenia. reduce mood...

**AP Psychology**

Chlorpromazine is an antipsychotic drug that reduces paranoia and hallucinations by increasing involuntary muscle movements. reducing involuntary muscle movements. dampening responsiveness to irrelevant stimuli. decreasing the availability of norepinephrine. elevating arousal ...

**math**

72

**Statistics**

A Kansas University research station wishes to investigate if a new variety of wheat is more resistant to a disease than an old variety. It is known that this disease strikes approximately 15% of all plants of the old variety. A field experiment was conducted, and of 120 new p...

**chemistry**

1. Compare the effects of adding the strong acid & base to the pH of water vs. the acetate and phosphate buffers.

**Math**

78

**Basic Math**

Your MoM

**Math**

lalalalalalalalalalalalala1a1a1a1a1a1a11a1a

**math**

Thank you this is not an answer

**calculus **

Hey I am working on differentiation/quotient rule for this problem...can someone help me? x^2-3/x-2.

**ELA**

I am very bad in parts of speech so I need help! Find all the verbs in each sentnce 1. We spent a considerable amount of time hiking up the mountain. 2. It was a foolhardy to go over the waterfall. In a canoe. 3. In the carribean waters there are fish of every hue. Thanks in a...

**Physics**

1.) flux = E * A * cos(35) 2.) flux = E * A * sin(35)

**science**

thank you sooooo much Ms.Sue

**TO M.S Sue**

this was just a guess can you explain why ms.sue

**science**

is it reproduction???

**science**

Which of the 6 characteristics of living things is important for a survival of species?

**ela teacher**

by he way what advice can you give so i could do better later

**ela teacher**

ok thanks anyways :(

**ela teacher**

Please read my conclusion and just give me advice..... The topic is prejudice and all, out of 10 what would you give it and why. To sum it up, prejudice is a serious topic that we still discuss today. Governments have made laws based on prejudice but people still break these l...

**logical thinking**

okay now i need 1 person in the "not knowing future" side to tie up with "knowing future" well in my opinion i wouldn't because there would be no point of life then we all would be zombies

**logical thinking**

would you want to know the future why or why not? Survey question

**essay check please**

okay by the way thanks

**essay check please**

well, my topic is about acceptance and it deals with racism and discrimination on top of my task page it mentions the quote and my teacher said i should use it

**essay check please**

so what other kind of quote can i use????

**essay check please**

This is the introduction of my essay , please check it !!!!!!!!!!!! It would really help “All men are born equally free”-Salmon P. Chase. A very important character that shapes our society is equality, but many people don’t believe in it. Racism and discriminat...

**Math**

The illumination produced by a light source is inversely proportional to the square of the distance to the source. If a light source 5m from an object illuminates with 70 candela, what illumination would be produce if the object were mover to 12 m away?

**math**

Suppose that n tennis players want to play an elimination tournament. That means: they pair up, at random, for each round; if the number of players before the round begins is odd, one of them, chosen at random, sits out that round. The winners of each round, and the odd one wh...