please help

This page lists questions and answers that were posted by visitors named please help.

Questions

The following questions were asked by visitors named please help.

What is a t1 internet connection and hoe fast is it?

(-2)/(x-1)=(x-8)/(x+6) please help me with this

(-2)/(x-1)=(x-8)/(x+6) is 7/8 the answer for this question

what did Descartes mean when he said, "I think,therefore I am"

Doug had scores of 80, 85, 75, and 80 on his first four exams in a course. a. Find the mean, median, and mode for these exam scores. b. Which “average” would Doug want the teacher to use in determining his grade? c. What score would Doug have to get on a...

calculate the range, variance, standard deviation, and interquartile range for the data set given {72, 80, 80, 82, 88, 90, 96}

I have a algebra question not to good at this? here goes.. the fuction w (d)=0.112d approximates the amount in centimetres of water that results from D cm of snow melting. find the amount of water that results from snow melting depths of. 19cm 38cm 95cm

A rifle with a mass of 2.0kg is used to fire a bullet with a mass of 50.g. The bullet leaves the gun with a speed of 200. m/s. What is the recoil velocity of the gun?

Write a mulplication problem. It's a square where 50 little squares are shaded, 20 are not shaded and 30 are double shaded

Concentrated HCI is 12M. What is the moloarity of an HCI solution prepared by diluting 10ml concentrated HCI

Create a quadratic equation with the solutions x=-2 and x=6 would x=-2 = x=0 would x=6 = x = 0?

five resistors of 30 ohms each are connected in parallel across a 120 volt line. the combined resistance of the five resistors is ___ ohms. The total current in the circuit is ___ amperes. The current in each branch is ___ amperes. How do I set these up:?

A typical photovoltaic cell delivers 3.8×10−3 {\rm W} of electric energy when illuminated with 0.14 {\rm W} of light energy. what is the energy efficiency of the cell?

1.4 mol of gas at a temperature of -170 degreed celcius fills a 2.9 L container. what is the gas pressure?

If a container holds 0.865 L of ethyl alcohol at 12.0 degree{C}}, what is the volume of the alcohol when its temperature is raised to 35.0 degrees celcius? i was thinking it was VT=VT and sub in but keep coming out with wrong answer

Before a trip from New York to Boston, the pressure in an automobile tire is 2.5 atm at 272 K. At the end of the trip, the pressure gauge reads 1.94 atm. What is the new Celsius temperature of the air inside the tire? (Assume tires with constant volume.)...

Consider the reaction at equilibrium: CaO(s) + CO2(g) ! CaCO3(s) If you add more CaO to the system, how will the system respond?

An 73-kg bungee jumper is enjoying an afternoon of jumps. The jumper's first oscillation has an amplitude of 14 m and a period of 6 s. sprint constant is 80.1 n/m and max speed is 14.7 m/s. Treating the bungee cord as a spring with no damping, calculate e...

The position of equilibrium Z1) is never reached in an irreversible process. Z2) is always reached in a reversible process. Z3) is the same for pure reactants or pure products as starting materials. 1. Z3) only. 2. Z2) only. 3. Z1) and Z2) only. 4. Z1) an...

For the system H2(g) + CO2(g) <---> H2O(g) + CO(g) at equilibrium, the addition of H2(g) would cause (according to LeChatelier’s principle) 1. more H2O(g) and CO(g) to form. 2. only more CO2(g) to form. 3. only more H2O(g) to form. 4. no change in amounts...

What happens to the concentration of NO2(g)when the total pressure on the equilibrium reaction 2 Pb(NO3)2(s) <--> 2 PbO(s) + 4NO2(g) + O2(g) is increased (by compression)? 1. increases 2. Unable to determine 3. remains the same 4. decreases

What happens to the concentration of HI(g) when the total pressure on the equilibrium reaction 2HCl(g) + I2(s) <--> 2HI(g) + Cl2(g) is increased (by compression)? 1. increases 2. Unable to determine 3. decreases 4. remains the same

For the reaction N2O4(g) ---> 2NO2(g) ,which of the following disturbances will cause an increase in NO2(g) concentration? 1. a decrease in temperature 2. removal of some N2O4(g) 3. need H for the reaction to predict 4. an increase in temperature 5. an i...

Which part(s) of the reaction 2O3(g) <---> 3O2(g) will be favored by an increase in the total pressure (resulting in compression)? 2. Neither is favored. 3. Unable to determine 4. reactants

In the reversible reaction in water solution NH3 + H2O <---> NH4+ + OH− , what acts as a Bronsted-Lowry acid and what acts as a Bronsted-Lowry base? 1. H2O; NH4+ 2. H2O; OH− 3. OH−; NH4+ 4. NH3; H2O 5. OH−; H2O

What is the mass of 4.75 mol of the element iron (Fe)? Answer in units of g

How many moles are in 16.48 g Mg? Answer in units of mol

Find the formula mass of the compound H2SO4. 1. 98.09 amu 2. 96.07 amu 3. 97.08 amu 4. 81.08 amu 5. 89.09 amu

How many grams of NH3 can be produced from the reaction of 17.8 moles of H2 and a sufficient supply of N2? N2 + 3H2 ---> 2NH3

What volume of solvent should be added to 36.8 g of CH3OH to produce a 0.500 M solution of CH3OH?

If the chemist mistakenly makes 275 mL of solution instead of the 200 mL, what molar concentration of sodium nitrate will the chemist have actually prepared? Answer in units of M

A sample of oxygen at 25 degrees C occupies 697 mL. If this sample later occupies 1062 mL at 55 degrees C and 1.3 atm, what was its original pressure? Answer in units of atm

You have 53 g of aluminum at25 degrees C. How much heat must be added to raise its temperature to 139 degrees C? Assume the specific heat of aluminum is 903 J/kg · degrees C. Answer in units of J

Liquid nitrogen, which has a boiling point of 77 K, is commonly used to cool substances to low temperatures. How much energy must be removed from 1.4 kg of gaseous nitrogen at 77 K for it to completely liquefy? Assume the latent heat of liquid nitrogen is...

A total of 16 mice are sent down a maze, one by one. From previous experience, it is believed that the probability a mouse turns right is .38 a) What is the probability that exactly 8 of these 16 mice turn right? b) What is the probability that 8 or fewer...

I"m having a hard time setting up the problem George can plant a garden in 2 hours, and it takes Joyce 3 hours. They work together for 45 mins, and George leaves and Joyce finishes the job alone. How long does it take Joyce to finish planting the garden?

Transpose the prescription -0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve

A 5.30-g lead bullet traveling at 390 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in tempera...

When a driver brakes an automobile, the friction between the brake drums and the brake shoes converts the car's kinetic energy to thermal energy. If a 1750-kg automobile traveling at 28 m/s comes to a halt, how much does the temperature rise in each of th...

distint points a, b, c, d, e, and f are marked on a circle. How many triangles can be formed using these points as vertices?

100 raffle tickets are sold for $3 with one grand prize of $200. Julie purchased one ticket. What is her expectation?

In one cycle, an engine burning a mixture of air and methanol (methyl alcohol) absorbs 525 J and expels 413 J. How much work is done by this engine?

a,b and c are real numbers such that ab=44, bc=112 and a+c=13. What is the value of b?

A score of 243 is a "basic" reading level. Scores for a random sample of 3000 students had a xbar = 250 with a standard error 1.0 The 99% confidence interval for the mean score all students in the city is 247.4 to 252.6. Ques: Is there good evidence that...

A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 59.82 diopters, and the lens-to-retina distance is 1.686 cm. (a) How far is the blackboard from her eyes? (b) If the writing on the blackboard is 4.8...

At most, how many bright fringes can be formed on either side of the central bright fringe when light of wavelength 656 nm falls on a double slit whose slit separation is 3.45 × 10-6 m?

A helicopter lifts a 63 kg astronaut 10 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/10. (a) How much work is done on the astronaut by the force from the helicopter? Incorrect: Your answer is incorrect. J (b) How...

what land did the United States gain from the War of 1812? New Orleans

can someone please explain this to me i am confused and don't know what to do Suppose that the function g is defined , for all real numbers, as follows g(x)={1/4x-1 if x≤-2 { -(x-1)^ +3 if -2<x≤2 { 3 if x>2 g(1)= g(2)= g(5)=

Name a molecule that transmits energy. Answer: Energy Molecule

How does the opposite of n differ from the absolute value n?

what are the following fractions decimal equivalents? -3 3/6 -3 3/8 -3 8/9 -3 2/3

What is a fraction whose decimal value is between 0.4 and 0.64? List the fractions decimal equivalent as well.

Ima Chemist found the density of Freon-11 (CFCl3) to be 5.58 g/L under her experimental conditions. Her measurements showed that the density of an unknown gas was 4.38 g/L under the same conditions. What is the molar mass of the unknown?

what cells can make energy from sugar molecules? -only plant and animal cells -only animal cells -plant, animal, bacteria, and protist cells -only plant cells

which of the following types of cells need to make energy to perform basic functions like growing, moving, and reproducing? -animal cells -animal cells and bacteria cells -animal cells, bacteria cells, and plant cells -plant cells

-10^2 = i know the answer is -100, but can someone explain how you actually find the answer?

A ball is thrown into the air with an upword velocity of 36 ft/s. Its hight H in feet after t seconds is given by the function h=-16t^2+36t+9. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary. What is...

you have apple, mapple, oak, poplar, and spruce trees. about how many different groups can u make with three different trees? please help this is alot of work and i have until 4;45 to get it all done!

if something is 80$ but it is on sale for $68 dollars what was the discount. show work.

In a jar there are 4 red marbles 5 green marbles and 7 blue marbles. 1 what us the probability of selecting a red marble replacing it and then selecting a blue marble 2 What is the probability of selecting a red marble setting it aside and then selecting...

On the ninth day of Statistics, my teacher gave to me --- nine ladies dancing. These nine ladies dancing are the backup dancers for In Sync. It is well known that if dancers don’t warm up adequately before dancing, the dancers will be Out of Sync and may...

On the eleventh day of Statistics, my teacher gave to me… eleven pipers piping. While these popular pipers are on tour piping, one piper is randomly selected to win tickets for his immediate family to the show. The breakdown of the number of tickets requi...

1.The bicameral organization of the Georgia legislature consists of ___ a. the House and Senate. b. the Supreme Court and the governor. c. districts and apportionment. d. senior and junior members.**** 2. Which of the following are true statements about t...

Regarding eyewitness testimony, which of the following statements is TRUE? A. Most victims do not have an adequate weapon focus B. Victims certain of their testimony are usually more accurate C. Eyewitness testimony is generally very accurate D. Perceptio...

1. what impact did the education improvement act of 1984 have on south carolina a. South carolina teachers were paid the most in the southeast b. the state's schools were ranked the lowest in the nation c. fewer students took high school exit exams d. the...

Tom is making the locations of the active volcanoes on a world map. Explain how the locations of the volcanoes are related to earth's plates? please help me im begging you

1. (2x)(10x) a. 20x b.12x c.20x^2 d.5x** 2. -3m(m+8) a. -3m^2+24 b. -3m^2-24m c. -24m^2** d. -4m+5 3. 4d(2d-9) a.8d-36d** b.-d c.-28d^2 d. 8d^2-36d 4. find the product 5b(6b-10) a. 11b-10 b. 5b^2+6b-10** c. -b-10 d. 30b^2-50b

1. Which person is NOT included in South Carolina's legislative council? a. chairman of judiciary committee** b. governor c. secretary of state d. speaker of the senate

what branch of government consists of local trial courts, circuit and family courts , and appeals court a. executive b. judicial c. legislative d. supreme court Which appeals are NOT heard by the South carolina supreme court? A. appeals from all felonies...

Which appeals are NOT heard by the South carolina supreme court? A. appeals from all felonies b. appeals from setting public utility rates *** c. appeals that deal with the death penalty d. appeals dealing with constitutionality of state laws

1. x^9/x^2 a.x^11 b.x^7 c.7 d.x^5 2. h^14/h^5 a.h^-9 b.1/h^9 c.h^19 d.h^9 3. 4^4/4^6 a.-16 b.16 c.1/16 d.-1/16 4. 5^0 a.0 b.5 c.1 d.-5 6.-2r(8r+5) a.-16r^2+5 b.-16r^2+10 c.-16r^2+10r d.-16r^2-10 7.2a(a^2+4a) a.2a^2+6a^2 b.2a^3+8a^2 c.2a+6a d.2a^3+6a^2 8.(...

1. x^9/x^2 a.x^11 b.x^7 c.7 d.x^5 2. h^14/h^5 a.h^-9 b.1/h^9 c.h^19 d.h^9 3. 4^4/4^6 a.-16 b.16 c.1/16 d.-1/16 4. 5^0 a.0 b.5 c.1 d.-5 6.-2r(8r+5) a.-16r^2+5 b.-16r^2+10 c.-16r^2+10r d.-16r^2-10 7.2a(a^2+4a) a.2a^2+6a^2 b.2a^3+8a^2 c.2a+6a d.2a^3+6a^2 8.(...

1. It is responsibility of all citizens too. a. run of political office b. attend naturalization cermonies c. pay taxes and serve on juries*** d. join special interest groups 2. What is not a form of local government a. city government b. county governmen...

1. (m^2-m+3)+(m-1) a. m^2-m-2 b. m^2+2** c. m^2-2 d. m^2+m+2 2. (5x^2+x-3)-(-2x^3+4) a. -2x^3+5x^2+x-7 b. -2x^3+5x^2+x+1 c. 2x^3+5x^2+x-7*

1. (m^2-m+3)+(m-1) a. m^2-m-2** b. m^2+2 c. m^2-2 d. m^2+m+2 2. (5x^2+x-3)-(-2x^3+4) a. -2x^3+5x^2+x-7 b. -2x^3+5x^2+x+1** c. 2x^3+5x^2+x-7 d. 2x^3+5x^2+x+1 3. f^2*f^3 a. f^5** b. f^6 c. (2f)^5 d. (2f)^6 4. 64^10/64^5 a.64 10/5 b.64^50 c.64^15** d.64^5 5....

x^11/x^4 a. x^7** b. X^15 c. x^44 d. x^11/4

4^3 x 4^12 a. 4^36** b. 4^15 c. 4^12 d. 4^9

4^3 x 4^12 a. 4^36** b. 4^15 c. 4^12 d. 4^9 x^11/x^4 a. x^7** b. X^15 c. x^44 d. x^11/4

7t^4x7t^4 a. 49t^8** b. 14t^4 c. 49t^16 d. 14t^8

x^11/x^4 a. x^7 b. X^15 ** c. x^44 d. x^11/4

19. 4k^2(-3k^2-4k+5) A. -12k^4-16k^3+20k^2 B. 12k^4-16k^3=9k^2 C. -12k^3+20k ** D. k^4+9k^2

2. Why did John Kennedy become unpopular in South Carolina? A. He was catholic B. He supported equal rights for blacks** C. He was considered a liberal northerner D. He appointed his brother as attorney general

1. The civil rights act of 1964 banned a. literacy tests at polling places b. the integration of public schools c. freedom rides on buses d. segregation in public facilities ** 2. which best describes the culteral changes of the 1960's youth movement a. s...

1. which action does not occur in a committee a. killing a bill b. revising a bill c. signing a bill into law d. holding public hearing

a two-third vote of both houses will pass a bill over the governor's veto true false ** if the house make changes the bill goes back to the original house for a vote true ** false

Which describes Hurricane Hugo’s impact on South Carolina’s economy? ~Hugo caused billions of dollars in damage but rebuilding efforts kept the state’s economy growing. ~The hurricane destroyed much of the coast and caused the state to suffer an economic...

the sides of a square are increased by a scale factor of 6. the perimeter of the smaller square is 10 ft . what is the perimeter of the larger square. a 2.5 ft b 10 ft c 60 ft d 120 ft

1.solve for the given variable: x + 1/2 = 1 1/2 3/4 1*** 2 3 2. solve for the given variable: 10/13n = -30/39 -20/13 0 100/169 -1*** 3. solve for the given variable: k-3/4 = 10 43 5.5*** 37 52 PLEASE HELP ME WITH MY MATH!!!!

The work of which scientist(s) helped to explain light's ability to propagate through a vacuum? A. Maxwell ==B. Davisson and Germer C. Fresnel, Fraunhofer, and Arago D. Newton An object that has a height of 0.4 meter is placed at a distance of 0.7 meter f...

Which statement best describes how the periodic table has benefitted society and scientists? It has evolved as new information about the elements has been discovered. It includes a lot of detailed information about the elements in a small space. It allows...

Which of the statements correctly describes the reactivity of noble gases, according to the octet rule? They have eight electrons in their valence shell, so noble gases are very unreactive. They have eight electrons in their valence shell, so noble gases...

Read the description. shiny; ductile; solid at room temperature Which of the elements best fits the description? Helium (He) Carbon (C) Magnesium (Mg) Sulfur (S)

how is iodine bad for human health

Examine the scenario. A magnesium (Mg) atom gives one electron to two atoms of another element, and takes on a 2+ charge. The two atoms of the other element each form a 1− charge. As a result, the magnesium ion and the two ions of the other element attrac...

Lists how many valence electrons are shared, gained, or lost by each atom of the 6 compounds? N2 CCl4 SiO2 AlCl3 CaCl2 LiBr

how many valence electrons are shared, gained, or lost in nitrogen?

When the following reaction reaches equilibrium, the concentrations are 2.26 M A, 0.50 M B, and 2.00 M C. Calculate the equilibrium constant. A+2B<=====>3C

Answers

The following answers were posted by visitors named please help.

The answer is y=2x+6.

is 7/8 the answer for this

Thanks I was stuck in the total pressure part I didn't know if I need it to add them up or just use one. thanks for your help I appreciated. this web side is gread thanks

temperature is 296K and Presure is 750 torr and the vapor pressure of the water is 21 torr. thanks for you help

so then it would be w(19)=0.112*19 and w (38)=0.112*38 and w (95)=0.112*95

IGNORE THIS I MISSED AND PRESSED THE WRONG KEY

thank you i really appreciate it

i'm still not sure how to do this one. i've tried a couple of ways but it's been the wrong answer so far.

this is one way i did it.. 2.5/272=1.94/? .009?=1.94 ?=215.6

i believe that was supposed to be an arrow

there are two unknowns in that equation..how do i solve it?

do you know what would be the value of x?

I meant to take out number 4 because it was an incorrect answer, I just don't understand why.

There are 5 mols on the right and only 2 on the left so the NO2 would decrease, correct?

does the decrease mean the reaction shifts to the right?

NH4 is the base & OH- is the acid, correct?

would you mind explaining how you got that?

how would you do 3PO-4

Do I have to convert mL to L or just degrees to K?

is it supposed to be a really high number?

I have transposed the presciption so that cyl is in a plus form -4.00DS/+3.25DCx120, what do I do next? Please help if you can

Thank you but I have already been on this website and did not find an example of capstan transposition...Are you able to help at all?

I have transposed the prescription so that it has a plus cyl as we are given a plus base curve= -4.00DS/+3.25DCx120 what do i do next?

ok i tried that that its hard why don't u try and tellme the answer ?

Was it New Orleans

can you help me with this as well? which of the following types of cells need to make energy to perform basic functions like growing, moving, and reproducing? -animal cells -animal cells and bacteria cells -animal cells, bacteria cells, and plant cells -p...

thank you guys!!

A: He is a caring man, but he lacks the feelings to feel bad about "releases." B: He has the strong feelings necessary to disobey rules and save new children. C: He has many memories to help guide his actions in the Nurturing Center. D: He is honored to b...

my answer Is d am I correctct

omg I suck at these .......1. a or c 2.a 3.d 4.a

1.a 2.c 3.b 4.b

those r my first 4 answers

its not b is it?

I need help with these questions to

i dont have much time

First, subtract your brothers age out of your sisters. Then multiply the answer by 3.

i will check and thank you so much

c a d c if you got to connexxus

Love^^ is right but only if you go to connexus

did you get an answer?

@Hilol yes they are

Thank you so much!

a Mexican-American inhabitant of southern Texas

i think it is A

the greatest common factor of 30 and 36 is 6

ms.sue or somebody else am i right?

A. kurdish schools and broadcasts are now permitted in turkey B. the british included kurds in iraq when they formed that nation C. most kurds practice sunni islam rather than shia islam D. kurds have been violently repressed by outside government in the...

you are correct

you are most welcome ms.shay

Can someone please put the answers in word form please

that is wrong I used it and got a c thanks a lot ;O is wright more like;O is not wright.

you better be right Sup because I am never going to use this again if this is not right and shut down this web sight because I created it ha ha ha ha ha ha if not right fix it in 5 mins thank you.

i need the answers to

neither could I

Actually I think I got it, 1:1 - 50%

what is the answer???

i dont know i am on the same thing u are

I wrote the answer choices wrong, $85.00 $42.50 $50.50 $47.00

your answer doens make sense to me, I know that I have 40 points which means I have been to 20 movies. I have to get 60 more points to get to 100. so I can go to a free movie. 60 points= 30 movies. I have already watched 20 movies. 30+20=50 movies i have...

my answers are 1. B 2. C 3. C 4. A

where did you get 35% from??

reiny is correct!!! it is 17, thank you for the explanation💗💗💗

A newborn kitten weighs about 1/4 pound. Write a proportion to convert the mass from pounds to kilograms. (1 pound = 0.45 kg). Then, find the mass of the kitten in kilograms right it as a decimal

Hann is right thanks a lot

Some one tell us that right answers.

Thanks pj I got 100% 4/4 pj is right

bracuda is correct I got 100% thanks

eon is right all of my credit goes to eon

Ashley is right I got 5/5 all my credit goes to her

Bob got the 3 one incorrect. I just did the test the answers are 1 precise language 2 domain-specific 3 to define domain-specific words, provide clear examples 4 scientist and don't say that I'm incorrect because I just did the test and if you don't belie...

You are correct I wish I did 4/4 trust I wish I did

i have no were to go this is the only device i brought with me my computer please help i-im scared

ty but do you have the answers to the test The Islamic World and South Asia Test

Why are there no answers

whats the answer not trying to be rude or anything

When liquid gold becomes a solid, its particles get closer together. Which best describes what happened to the gold? the conservation of magnetism the change in solubility in a physical change the change in melting point in a physical change the rearrange...

The triumphant tennis player [to feel] proud of himself. He [to see] all of his efforts pay off in this one match. The fans [to cheer], the cameras [to flash], and victory [to claim]. Rewrite the paragraph by making the verbs agree in number with their su...

dont forgot the put a capital at the beginning of a sentence

their is none please help

but i can give another question so you know what test it is which example spells the word baggage a. example a b. example b c. example c

also this is stupid we only need math and reading its not like when you become an adult people are going to come up to you randomly and be like social studies pop quiz: when was the constatution. if you got all a grads i got some respecttttt for you sir,...

k-pop k-pop k-pop

sorry i ment to say "this is stupid".