# Posts by help

Total # Posts: 1,460

**geography**

What are the five posive impacts of the economic developments. thanks in advance

**Probability**

Let X be a continuous random variable. We know that it takes values between 0 and 3, but we do not know its distribution or its mean and variance. We are interested in estimating the mean of X, which we denote by h. We will use 1.5 as a conservative value (upper bound) for the...

**Math**

Determine which function has the greater rate of change 1.The rates of change are equal. 2.The graph has a greater rate of change. 3.The table has a greater rate of change. 4.none of the above file:///C:/Users/SCHOOL/Pictures/math.JPG HELP ME UNDERSTAND THIS PLEASE??

**SS**

B?

**SS**

C?

**SS**

arable- fit for or used for the growing of crops

**SS**

China's cities are growing rapidly due to A. a high percentage of arable land B. people moving there to look for work C. rural areas becoming too crowded D. the one-child policy A?

**PE**

it is right i got a 100

**PE**

is that right

**SS**

b?

**SS**

Which of these questions would best help Xiao address a challenge in his community? A. Which political party should community members vote for? B. Why do diverse cultural influences exist in eastern china? C. What must people learn about to get new factory jobs? D. How can ...

**Physics**

Consider a spherical plastic shell with inner radius r=1cm, r2=2cm, and a dielectric constant K=4. The center is hollow. Free charge is bound within the plastic. The charge distribution is spherically symmetric but decays with radius, following a charge density:p_f=K/r where K...

**statistics**

The data set represents the income levels of the members of a country club. Estimate the probability that a randomly selected member earns at least $98,000. 112,000 126,000 90,000 133,000 94,000 112,000 98,000 82,000 147,000 182,000 86,000 105,000 140,000 94,000 126,000 119,...

**math**

The data set represents the income levels of the members of a country club. Estimate the probability that a randomly selected member earns at least $98,000. 112,000 126,000 90,000 133,000 94,000 112,000 98,000 82,000 147,000 182,000 86,000 105,000 140,000 94,000 126,000 119,...

**math**

Of the 6796 students in one school district, 1537 cannot read up to grade level. Among a sample of 812 of the students from this school district, 211 cannot read up to grade level. Find the sample proportion of students who cannot read up to grade level. A. 0.14 B. 0.26 C. 211...

**statistics**

Jody checked the temperature 12 times on Monday, and the last digit of the temperature was odd six times more than it was even. On Tuesday, she checked it 18 times and the last digit was odd eight times more than it was even. Determine which series is closer to the 50/50 ratio...

**Statistics**

I came up with 4/9 and it was wrong. A little more help please!

**SS**

what conclusion can you draw about the comparative advantage other countries have in farming over japan and korea's

**SS**

what qualities are valued in south korea

**Social Studies**

What qualities does the North Korean government expect its citizens to have? What qualities are valued in South Korea?

**social studies**

can someone who took the test just tell me which ones are right and what to look up to find it.

**Social studies**

ur not funny but thanks

**Science**

Thank you

**Science**

what are some challenges to biodiversity

**Math**

Thank for taking the time to help me, Ms.Sue.

**Math**

I'm not sure what the weight and the number of pieces would be

**Math**

Lamar wants to slice a 35-ounce tomato and a 28-ounce tomato into pieces of the same weight. He finds the greatest common factor of the tomato weights to determine the weight of each piece. What is the greatest common factor of 35 and 28? Show your work. Use your answer to ...

**Science**

helpppppppppppp

**ss**

Is the answer to this c ??

**Social Studies**

I got 100%

**Social Studies**

it was d. Thank you!!

**Social Studies**

Which of these would most likely be allowed to appear in China today but not in China during the Cultural Revolution? a. a film about the idea of Mao Zedong b. a newspaper article criticizing one-child policy c. a website commemorating the Tiananmen Square protest d. a reality...

**Social Studies**

What effect did workers' low wages in China and Taiwan have on export sales? a. other countries did not want the low-priced products. b.other countries quickly bought the low-priced products c.other countries made low-priced products themselves d.other countries looked for...

**Social Studies**

thank you

**Social Studies**

Which of the following is the staple crop of the north China plain A. Barley B. Rice C. Soybeans D. Wheat**** Crops grow well on the north China plain because the Huang river A. Forms a barrier to animals that eat crops B. Changes weather patterns in the area C. Deposits ...

**Floral desighn**

Is it d

**physics**

The angular position of a flywheel is given by theta=(2+5t+2t^2)rad . find the angular speed and acceleration at 3^rd second after the motion had been started.

**art**

MsSueWasUncalledForAndUnhelpful's IS AWESOME THANK YOU! correct! 10/10

**art**

so it wont be to raise awareness to the war?

**art**

what is the role of an artists who creates a painting illustarating a nations victory in war?

**Math**

All vertical and horizontal cross sections of any one cube are all the same size and shape. What about vertical and horizontal cross sections of a pyramid? Are they all the same size? Are they all the same shape? Discuss why or why not.

**Algebra 2**

From 1990-1994 the mail order sales of health products can be modeled by S= 10t^3+115t^2+25t+2505 where S is the sales (in millions) and t the number of years since 1990. In what year were about $3885 million health products sold.

**social studies**

thanks

**social studies**

did you find the answer i think c or d

**physics**

A racing cyclist accelerates 5m/s² when she starts from rest. The total mass of the cyclist and her bicycle is 45kg. Calculate the resultant force that produces this acceleration

**Physics**

A thin insulating rod with charge density +5nC/m is arranged inside a thin conducting cylindrical shell of radius R=3cm. The rod and shell are on the same axis, and you can assume they are both infinite in length. What is the surface charge density induced on the outside of ...

**Social Studies**

Thanks Ms.Sue this help a bit!

**math**

The cost, C, in dollars for a health club membership depends on the number of whole months, m, that you join. There is a $49.00 enrollment fee and the membership costs $20.00 per month. This function can be expressed with the equation C

**Social Studies**

I don't understand, this is the first time posting on this site. but thanks for the help I guess. :/

**Social Studies**

Why the hell do you have to be so mean??? and i am not stupid!!!! i just have a little trouble with S.S,

**Social Studies**

For one I did study, and two I did look online I also found people on this same site and they got the same answers. I do not like the way you two are treating me. i don't know what crawled up you butts but don't take it out on me. i am sorry that i am ignorant, but i ...

**Social Studies**

ok so then please explain why i got them wrong.

**Social Studies**

1. Which of the following helped to increase the populations of northeastern cities? (1 point) more diversity successful cotton crops growth of factories and trade building of the Erie Canal 2. A boundary was set between Canada and the United States as a result of (1 point) ...

**physics**

help us

**science**

can someone explain the life cycle of the animalia kingdom???

**chemistry**

the Ksp of Bi2s3 at room temmperature is 1.60x10-72, what is its solubility in g/100 ml? Please help me with the solution. Our teacher haven't discussed this yet so I have no idea how to solve this.. and if i ever got the answer with your solution. could you please check ...

**math**

please help

**math**

use the function rule f (x) = 3x - 2 find the output f (1.5) a. 2.5 b. -2.5 c. 6.5 d. -6.5

**Language arts**

Yall are wrong thanks! I fail this class now

**chemistry**

is it 33.4%?

**ART HAVING HARD TIME**

1) D 2) A 3) C 4) C 5) B

**algebra**

Y'all better stop talking like that

**Biology**

Monohybrid Cross - crossing one single Trait to _______? Answer: two alleles

**Biology**

Dominant - an organism with the dominant allele For a trait _________? Answer: that produces the same phenotype Recessive - an organism with the recessive Allele for a trait will __________? Answer : ?

**science**

What is an experiment I could do that investigates the effect of different forces on an objects motion? I need some suggestions please!

**math**

estimate 58% of 121 by using 10%. show your work. thanks so much

**history part 2**

Woodrow Wilson became president of the United States after winning the election of 1912. He won again in 1916. One of the reasons he won was his A. decision to send American troops to Europe to fight in World War I. B. record of helping reform American business and government...

**history**

There are many different types of sources for students to use to find information. An atlas is a good source in which to find A. the meaning of words. B. a collection of pictures. C. a collection of maps.*** D. a listing of references.

**Physics**

Silver pellets with a mass of 1.0 g and a temperature of 85°C are added to 200 g of water at 18°C. How many pellets must be added to increase the equilibrium temperature of the system to 24°C?

**L.Arts**

trying to find his opinion

**L.Arts**

the trouble with television Robert MacNeil voices a strong opinion about television in a paragraph explain his opinion then tell whether you agree or disagree with him support your view with at least two pieces of evidence from MacNeil's essay or from your own reading or ...

**english**

THANK YOU SOO MUCHHHH BRUUH

**english**

"Why I refused." is a sentence while "How to make both ends meet." is a fragment. I can turn it into I am learning how to make both ends meet. Is this correct?

**english**

i mean brown-haired? isnt that acceptable? well okay i'll go with your answer.. thank you so much :D

**english**

brown hair

**math**

it would be 62... for the people looking for the answer.. your welcome.. i care

**math**

so how many large cupcakes would that be?

**math**

help please... im so stuck.. i need help...quickly

**math**

the yearbook club is having a bake sale to raise money for the senior class. LArge cupcakes are sold for 1.25 and small cupcakes are .75. If 105 cupcakes were sold for a total amount of 109.75, how many large cupcakes did the yearbook club sell?

**trigonometry**

rewrite each equation in rectangular form and describe the graph. solve for y if possible. a. theta = pi/6 b. r=8costheta

**physics**

Charge Q = 233 C Time t = 1.25 minutes = 1.25*60 = 75 sec Formula for Current I = Q/t I = 233 / 75 = 3.107 A The amount of current that was used is 3.107 A.

**physics**

A kettle brings water to boil by using 233 C of charge over the course of 1.25 minutes. The amount of current that was used is _.__ A?

**Physics help please**

Length of current carrying wire l = 0.504 m Current through wire i = 62.1 A Consider perpendicular external magnetic
field with magnitude 0.203 T.[ Not given in problem , so we considered ] External magnetic
field is perpendicular θ = 90º Magnetic &#...

**physics**

Charge Q = 25.1 C Time t = 6.49x10-3 sec Formula for Current I = Q/t I = 25.1 / (6.49x10-3) = 3.867 x 103 A The current during this lightning strike is 3.867 x 103 A.

**Physics**

A 5.00 x 102 kg hot air balloon takes off from rest at the surface of the earth. The buoyant force lifts the balloon straight up, performing 9.70 x 104 J of work on the balloon. At the instant the balloon's upward speed is 4.08 m/s, the balloon will be ____ m above the ...

**Math**

Bud and frank were playing a game together and together they scored 56 points. Buds score was 8 times higher than franks what are their scores. I don't think the teacher gave me the correct numbers, this does not work out.

**math**

thank you

**math**

what is 4 to the negative 2 times 2 to the 0. my options are 8 16 1/16 -64 I think it is 16.

**Physics help**

an isolated container holding 5 kg of sulfuric acid is at 60 C. if 2.49x10^5 Joules of energy were transferred out of the acid, what would be the new temp. of the acid?

**Chem Help!**

Describe how you would prepare t-butyl-n-butyl ether. assume you are working on a 1 M scale. what reagents would you use? What solvent? what reaction conditions?

**Physics help**

an isolated container holding 5 kg of sulfuric acid is at 60 C. if 2.49x10^5 Joules of energy were transferred out of the acid, what would be the new temp. of the acid? show steps please!

**Calculus-Newton Method Approximation**

1/ 3(x^3) + 1/2(x^2) + 1 = 0, x1 = −3 newtons way to the 4th decimal

**Physics Help Please! Check the answer**

Fixed Answer Us= 1/2kx^2 =1/2(5286.0)(.40)^2=422.88 J

**Physics Help Please! Check the answer**

an athlete stretches a spring an extra 40.0 cm. how much energy has he transferred to the spring, if the spring constant is 5286.0 N/m? Us= 1/2kx^2 =1/2(5286.0)(.40)=1057.2 J Thanks!

**physics**

Rocket-powered sleds are been used to test the responses of humans to acceleration. Start- ing from rest, one sled can reach a speed of 510 m/s in 2.37 s and can be brought to a stop again in 3.15 s. Find the acceleration of the sled while ac- celerating. Answer in units of m/...

**physics**

The average car today has a mass of 1100 kg, and when accelerating from rest, covers 0.25 miles in 15 seconds. Each rim and tire together has a diameter of 46 cm and a mass of 9.1kg. If we agree the rim and tire have the shape of a solid disk that rotates through its geometric...

**history**

is the answer A

**history**

5. What was the eventual outcome of De Soto's expedition A. It encourage Spain to compete with France for land in the north america*** B. He founded a new colony in the name of the king C. He found great wealth and returned to Spain a hero D. He was captured and enslaved ...