sean

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

Questions

The following questions were asked by visitors named sean.

a ball is thrown at 15m/s at an angle of 30 degrees to the horizontal , how far does it travel horizontally before making contact with the ground? I don't remember very well, but I believe the formula you need is: x0 = -.5at^2 + vt + x where x0 is the ini...

Hi! i need some help with this ASAP! a body is projected upwards from a point on level ground with a velocity of 45 m/s at an elevation of 30 degrees. Working from the expression for uniformly accelerated motion in a straight line, determine 1) the time o...

A ball of mass .44 kg and speed of 4.5 m/s collides head-on with a .22 kg ball at rest. Assuming perfect elasticity, what is the speed and direction of each ball afterwards? I know that the momentum is conserved here and since I am solving fo two variable...

the vertices of triangle abc are A(-2,3) B(10,3) and C(4,10. prove by coordinate geometry that the median to side AB is also the altitude to side BC?

please could someone explain to me what the 4 factors of the marking mix are. I searched for marking mix and found nothing. Please check the spelling and repost.

why is copper used for electrical wiring? The have writen 'Copper is a good conductor of electricity.' Is this correct? Yes, copper is a good conductor of electricity. It also is ductile (easily drawn into wires) (extruded), copper ore is realitively plen...

As a radio active material gets older, does it emit less, more or a constant level of radiation per second? There is less matter to convert, and it takes the same time per atom. Of course the activity is less.

Please Could someone tell me what: 1. A square number is 2. A cube number is 3. A triangle number is Thank you Square numbers are the result of squaring an integer (IxI) Cube numbers are the result of the cube of an integer (IxIxI) A triangular number is...

Could u help me with this question. The number, N, of people who have heard a rumor spread by mass media at time, t, in days is modelled by N (t) = a / 1+ be^ -kt a. If 50 people have heard the rumour initially and 300,000 people hear the rumour eventuall...

which best describes the relationship between the lines with equations 8x+y=6 and 16x+2y=0.... please help me...

differentiate y = tan^2(3x) + sec^2(3x)

Find the sum. Express your answer in simplest form. (14a^2 / 2b) + (3a / 2b) a) 14a^2 + 3a / 4b b) 11a^2 /2b c) 14a^2 + 3a / 2b d) 11 / 2b

The effects of training at a cellular, biomechanical and psychological level.

Which of the following statements best explains the results associated with condition 5? Room Conditions +Additional Heat +Additional Light +Fan

Find the LCD for the following rational expressions. (-3 / x^2 - 2x + 1) (2x / x^2 - 5x + 4) a)( x - 1) (x - 4) b)(x - 1)^3 (x - 4) c)(x - 1) (x + 4) d)(x - 1)^2 (x - 4)

who ruled in europe before the french revolution?

my teacher gave us a question that says: compute the correlation coefficient (r) between pace of life and happiness. if peace of life is 4 and happiness is 2.2? how do i do that?

Original quanity | new quantity . |price. |quanity supplied demanded demanded 40 12$ 80 45 11$ 75 50 10$ 70 55 9$ 65 60 8$ 60 65 7$ 55 70 6$ 50 75 5$ 45 1. what is the equilibrium price and quanity? explain 2.what will occur if the price is instially set...

Danielle was born with a birth defect which resulted in a lack of primary auditory cortex formation. Which of the following will likely result? a. Danielle will not be about to hear from her right ear. b. Danielle will not be able to hear at all. c. Danie...

lingustic of puerto rican americans

S/A=4.5,D/A=4.5, N/E =.80 & A = D + E solve for N/S

S/A= 4.5, D/A=4.5,N/E=.80, A= D+E. SOLVE FOR N/S

S/A= 4.5, D/A=4.5,N/E=.80, A= D+E. SOLVE FOR N/S

sin theta/2cos theta/2=1/2 sine theta show the identiy and work

Which expression represents the sum of the following? (3n / n^2 - 2n + 1) + (5 / n - 1) a) 8n - 1 / (n - 1)^3 b) 8n - 5 / (n - 1)^3 c) 8n - 5 / (n - 1)^2 d) 8n - 1 / (n - 1)^2 b

(3x^2y^4)(4xy^2) in simplist form please help

0.25 g of acid is titrated with .108 M NaOH. if it takes 27.22 mL of NaOH to reach the endpoint, what is the equivalent weight of the acid?

Compare and contrast liquids and gases.

How can you demonstrate that finely ground fluids are not fluids.

How do you distinguish between a fluid and a non- fluid.

if 60 grams of potassium chlorate is dissolved into 100cm3 of water at the temperature of 60 degrees celsius is the solution saturated unsaturated or supersaturated?

if 20g of magnesium react with excess hcl how many grams og mgcl2 will be produced

what would a clear definition of a presidential democratic governmental system?

What is the frequency of the microwaves in a microwave oven? The wavelength is 12 cm. I have to give the answer in GHz

A high jumper of mass 80.0 kg consumes a meal of 4.00 103 kcal prior to a jump. If 3.3% of the energy from the food could be converted to gravitational potential energy in a single jump, how high could the athlete jump?

Find the voltage increase when 12 J of work is done to push a 0.0013 C charge into an electric field.

A high jumper of mass 80.0 kg consumes a meal of 4.00 103 kcal prior to a jump. If 3.3% of the energy from the food could be converted to gravitational potential energy in a single jump, how high could the athlete jump?

On june 1, coble company ltd borrows $40,000 from first bank on a 6-month, $40,000, 9% note. The note matures on December 1

Solve: 2 / x - 1 - 3/4 = 5 / x - 1 a) -2 b) 2 c) 3 d) -3

a girl on stilts weighing 600N applying twice as much force as to boys weighing 600N each sitting down

In a permutation a) the selections are independent b) some items will never be used c) the order matters d) there must be at least 3 things to choose from

what causes some genetic disorders like sickle cell anemia

solve: sqrt (m) + 7 = 5 a) (-2) b) none or 0 c) (2) d) (4)

simplify: sqrt 2/7 a) sqrt (7) b) 2 c) sqrt (2) d) sqrt (14) / 7

simplify the following radical expression : 4 sqrt (81)/ (16) a) 2/3 b) 3/2 c) 2 d) 3

simplify: sqrt (25) / (16) a) 5/4 b) sqrt (5)/(4) c) sqrt (5)/ sqrt (4) d) 16 sqrt (5) / 4

simplify: sqrt (90) a) 30 b) 3 sqrt (10) c) 10 srt (3) d) 9 sqrt (3)

What is the value of the expression 2x^2y / 4xy when x = 2 and y = 1? a) 1 b) 2 c) 4 d) 3 b

what is the non- permissiable value for the rational expression y + 5 / x - 3? a) y = 0 b) y = 3 c) x = 0 d+ x = 3

What is the value of the expression 5x^2y / 5x - y when x = 4 and y = 2? a) 80 / 9 b)60 / 3 c) 16 / 5 d)8 / 1

what are the non-permissible value for the rational expression x^2 + x - 6 / x^2 + x -12? a) x = 3 and x = -4 b) x = 0 and x = -4 c) x = 0 and x = -2 d) x = 2 and x = -3

What is the value of the expression 2x^2 y /4xy when x = 2 and y = 1? a)1 b)2 c)3 d)4 Just need to know if my answer is right or wrong and i picked a

what is the value of the expression 5x^2y / 5x - y when x = 4 and y = 2? a) 8 / 1 b) 60 / 3 c) 80 / 9 d) 16 / 5 c

what is the non-permissible value for the rational expression y + 5 / x - 3? a) x = 0 b) x = 3 c) y = 3 d) y = 0 b

Which of the following represents the data in the table? x y 3 5 6 2 1/2 9 1 2/3 12 1 1/4 15 1 a) xy = 3 b)y = 15x c) y = 15 / x d)15 = x / y c

Which of the following is equivalent to the rational number [3x / 4x]? a) 6x / 8x b) 12x / 24x c) 48x / 56x d) 3x / 5x a

what is the non-permissible value for the rational expression y + 5 / x - 3? a) x = 0 b) x = 3 c) y = 3 d) y = 0 c

what are the non-permissible value for the rational expression (x^2 + x -6) / (x^2 + x -12)? a) x = 0 and x = -2 b) x = 0 and x = -4 c) x = 2 and x = -3 d) x = 3 and x = -4

Divide: p^2 + 4p - 5 / p^2 + 7p + 10 * p + 4 / p - 1 a) p + 2 b) p + 2 / p + 4 c) p+4 / p+2 d)2 Just need to know if my answer is right or wrong and the answer i picked was c

Multiply: 8r + 16 / 24r - 24 * 6r - 6 / 3r + 6 a) 2/3r b) 2/3 c) 2 d) 2(r + 2) / 3r b

Multiply: 12m^5 / -2m^2 * 6m^6 / 28m^3 a) 9m^5 / 7 b) -9m^5 /7 c) 9m^6 / 7 d) -9m^6 / 7 d

simplify the rational expression x^2 - 81 / x^2 + 18x + 81 a) x - 9 / x + 9 b) x + 9 / x + 9 c) x + 9 / x - 9 d) x - 9 / x - 9 a

Dwanye has 18 shirts hanging in his closet. He is going to donate 4 of them to a clothing drive. How many combinations of shirts can Dwanye use for his donation? a) 73,440 b)72 c) 104,976 d) 3060 b

simplify: 10^C6 a) 60 b) 210 c) 151,200 d) 1,000,000 c

which expression represents the sum of the following? 7 / a - 1 + 3 / 2a - 2 a) 10 / 3a - 3 b) 17 / 2(a - 1) c) 17 / 2(a -1)^2 d) 10 / 2a - 2

find the LCD for the following rational expressions. -3 / (x^2 - 2x) + 1 / 2x (x^2 - 5x + 4) a) ( x - 1) (x - 4) b) (x - 1)^3 (x - 40 c) (x - 1) (x + 4) d) (x - 1)^2 (x - 4) did i write it the correct way

solve: 1 / x + 2 + 1 / x - 2= 1 / x^2 - 4 a)-2 b) 2 c)-1/2 d) 1/2

solve: 2 / x - 1 - 3/4 = 5 / x - 1 a) -3 b) 3 c) 2 d) -2

The 10th grade raffle sold 127 tickets. If they award 1st and 2nd prize, how many different pairs of winners are possible? a) 16,129 b) 254 c) 16,002 d) 8,001 the answer i picked was c

find the difference. express your answer in simplest form. x^2 + 3 / x - 2x^2 + 5 / x a)-x^2 - 8 / 2x b)-x^2 - 2 / x c)3x^2 - 8 / 2x d) 3x^2 - 8 /x

Which expression represents the sum of the following? 5 / 2t + 1 + -1 / 4t^2 + 4t + 1 a)10t + 4 / (2t + 1)^2 b) 4 / (2t + 1)^3 c)10t + 1 / (2t + 1)^2 d) 4 / 4t^2 + 6t + 2

Find the LCD for the following rational expressions. -3 / x^2 - 2x + 1 2x / x^2 - 5x + 4 a)(x - 1) (x + 4) b)(x - 1)^2 (x - 4) c)(x - 1)^3 (x -4) d)( x - 1) (x - 4)

Which expression represents the sum of the following? (5)/ (2t + 1) + (-1) / (4t^2 + 4t + 1) a) 10t + 4 / (2t + 1)^2 b) 4 / (2t + 1)^3 c) 4 / 4t^2 + 6t + 2 d) 10t + 1 / (2t + 1)^2

Determine the instantaneous rate of change of y=tanx at x=1 to 3 decimal places

Let's say Glenn's trip around the earth took about 5 hours. that is how many times as long as Shepard's flight?

Oblique rays are different from vertical rays because they a) contain more solar energy b) strike the earth at an angle greater than 90 degrees c)spread their energy over a larger surface area d) a and b e) b and c i think between d and e

Oblique rays are different from vertical rays because they a) contain more solar energy b) strike the earth at an angle greater than 90 degrees c)spread their energy over a larger surface area d) a and b e) b and c i think between d and e

Oblique rays are different from vertical rays because they a) contain more solar energy b) strike the earth at an angle greater than 90 degrees c)spread their energy over a larger surface area d) a and b e) b and c i think between d and e

The processes of weathering that occurs when rocks and minerals react chemically with water and atomspheric gases is_______.

Ozone, a gas found in the upper stratosphere and lower mesosphere, would burn our throats if we tried to breathe it. ozone is composed of

The pressure created by the weight of air is greatest_______.

The chemical substance found in the atmosphere exists as a / an______. a) mixture b) radical c) element d) compund e) solid I PICKED D

the absorption of heat by any substance is dependant upon

As the atmosphere heats, the air _______ and becomes _________.?

the number 12 is 14 greater than twice a number. find the number.

can someone write me a acrostic poem on the word PHOTOSYNTHESIS, thank you

A student (m = 68 kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.04 s. The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be the posi...

A person is riding a bicycle, the wheels of a bicycle have an angular velocity of +20.5 rad/s. Then, the brakes are applied. In coming to rest, each wheel makes an angular displacement of +12.0 revolutions. (a) How much time does it take for the bike to c...

sally x amount of money. bob has three times as much as sally, less than 14.62. write an expression using x to see how much bob has.

An object is placed on an inclined plane which forms an angle B = 18º with the horizontal. An external force F of magnitude 14.3 N is applied to the object. The force F acts in a direction which forms an angle A = 62º with the horizontal. As a result of t...

what does a sense of purpose mean to you

Suppose that a decision-maker's preferences can be represented by the expected value of a utility function u. Find another utility function u' whose expected value represents the decision-maker's preferences and assigns a payoff of 1 to the best outcome a...

Describe how air is modified by the nasal passages, and describe the special structures that allow this modification

Describe how olfaction is accomplished by the nasal passages

Describe 4 lung volumes that are measured by a spirometer

Describe each part of the respiratory passage regarding tissue, and why that tissue would be appropriate for that area. THANK YOU!

Is this correct? Mexico city is north of the tropic of capricorn?

One bank pays 5.5 percent annual interest, while a second bank pays 4.5 percent annual interest. Determine how much longer it will take to accumulate at least $50 000 in the second bank account if you deposit $1000 initially and $1000 at the end of each y...

Is this correct? 1.The prime meridian passes through both the north and south pole. 2. The Tropic of Cancer is to the Tropic of Capricorn as the Arctic Circle is to the Antarctic Circle?

what are the possesive and the plural possesive forms of the following words: shelf wrench bus Thank You

Answers

The following answers were posted by visitors named sean.

yeah i do have a graphing calculator...TI-83... but when i go to type in the equation it is like y= , so how would i type it in??

i got y=-8x+6 and i 4got how to isolate the y in the other one..

i typed it in & in the graph it is 2 line that will never intercept... which means it its parallel

o0o0... i didn't see u had already posted something but thank u soooo much...

how do scale factors work?!?!?!??!?

how do u right click to do exercise 8

Hello, I have a test tomorrow on The Tragedy of Macbeth. Unfortunately, My teacher only gave us half of the answers to the study guide. I was wondering If you could possibly give me some assistance on some of the questions so I could more effiencently stu...

6910 divide by 4

well, she gave a list of countries, and each country has its own peace of mind and happiness number. there is a list of 12 countries. the highest peace of mind number is 20.

im still confused.

Look to the digit to the right of the place that you want to round. If it is 0-4, keep the digit in the place that you want to round the same. If it is 5-9, change the digit to one number greater in the place that you want to round. For this number we wan...

I LIV ITALI MY DAD NAME IS ELVIS END MY NAME OF MY MOTR IS JILL

Because of the affect gravity and the atmosphere on Earth which is currently unique in the solar system.

no damon i think its b

i meant a not b sorry about that

thanks qudditch

Thanks bobpursley

thanks bobpursley

thanks jen and anonymous

thanks jessie and bobpursley

thanks bobpursley i don't know either

a is thanks bobpursley

yeah that's what i mean 7/(a-1) + 3/(2a-2) thanks damon

thanks bobpursley

ms. sue i got 12.49

a) all of the above b) in the stratosphere c) just beneath the earth's surface d) in the mesosphere e) near the earth's surface I PICKED C

color texture transparency a and b all of the above

color thanks ms sue

UV + VW = UW 8) UV + VW = UW 2 +3x = 29 3x = 27 x = 3 VW = 3x = 9 9) UV + VW = UW r + 6r = 42 7r = 42 r = 6 VW = 6r = 36 10) UV + VW = UW 4p-3 + 5p = 15 9p = 18 p = 2 VW = 5p = 10 11) UV + VW = UW 3c+29 + -2c-4 = -4c c - 25 = -4c 5c = 25 c = 5 VW = -2c-4...

what is the equation for the percents?

I bet your in my class at guelph.

to find the center of mass, you add up all of the x-points * all of their corresponding masses. (e.g. sum x*m) and you divide it by the sum of all of the masses (e.g. sum m) therefore (sum x*m)/(sum m). you are looking for where to place x to make the cen...

im in penn foster now and it is the worst. when i call for a lil help nobody wants to help at all its like there rude to you on purpose just so you don't call back.

2(10)+1(3)=23 money spent 2(4)+1(x)=23 x= 15 oranges

At one high school, the average amount of time tenth-graders spend watching television each week is The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to...

20.28792744 m/s thanks for nothing i solved it myself

why doesn't anyone answer this jesus it's been two years v = sprt(vi^2 - GM/R)

Catherine plans to save money. On the first day, she saves one penny. Every day, she plans to save three more pennies than she did the day before. How much money will Catherine save in 12 days?

1/2 x 1/4 = 1/8 are 5th grade boys

yes you're correct

I'm 96% positive the answer is 9/32

sorry, it's 2^99 + (-2)^99

7.2mmols/55ml = .1309 NH3 1.8 mmols/ 55ml = .0327 NH4 -log(1.77 x 10-5) = 4.752 14-4.752 = pKa 9.24798 9.24798 + log (.1309/.0327) = 9.8503

thank you so much I got a 100% on the test

is this the third read

what awnser tell me or ill sew you

Read the sentence below about the Chicago fire of 1871. Many people tried very hard to save the building of the Chicago Tribune. Which revision is the best example of adding concrete detail? A. Many people tried very hard for a very long time to save the...

They lived in small groups called clans.

does anyone actually have answer

anonymous you are an absolute IDIOT

1. D): the act of forming a logical whole 2. A): As a result of 3. A:) including 4). box: therefore) 5. box: additionally) 100% percent answer i got them from connxues middie school))

emalaine is correct

Which of the following is NOT typically discussed during a performance evaluation with an employee? employee benefits plan for any needed performance improvement review of the evaluation

look ''oobleck'' it's incorrect.