# LILY

Newest questions and responses by LILY-
## Math - Trig

This is the question: Two spruce trees are 100m apart. From the point on the ground halfway between the trees the angles of elevation are 21 degrees and 39 degrees. Determine the distance, to the nearest metre, between the tops of the two trees. Show your

*asked on February 12, 2019* -
## History

Please help within the hour thanks. Which factors kept invaders out of Arabia? A.Hot temperatures and deserts B.Cold temperatures and mountains C.Lack of water and cold temperatures D.Lack of water and mountains

*asked on January 18, 2019* -
## math

what is the diference between 6z and z^6

*asked on January 18, 2019* -
## history

What strategies did we use to create relationships with other nations? What strategies did we use to claim lands as United States territory? help me pls

*asked on January 17, 2019* -
## history

Compare/Contrast the United States’ actions in the early 1900s with the United States’ actions in the early 2000s. How did our interactions with other countries change? How did they stay the same?

*asked on January 17, 2019* -
## History

1. How have the Iliad and the Odyssey contributed to an understanding of ancient Greece? Write your response in two to three complete sentences. -- -- 2.How did geography affect the establishment and culture of ancient Greek city-states? Write your

*asked on January 8, 2019* -
## social studies

how was Magellan’s voyage different from that of Columbus? A. Magellan sailed west across the Atlantic to reach the Caribbean B. Magellan sailed south down the coast of South America C. Magellan sailed east around Africa to reach the pacific ocean**** D.

*asked on December 14, 2018* -
## social studies

why did the slave trade grow dramatically in the americas in the mid-1500s? a. people began to profit from selling native Americans abroad b. Sugar became an important export*** c. Gold mining required a great deal of labor d. Native Americans refused to

*asked on December 14, 2018* -
## Science

Why do oceanic plates dive underneath continental plates when they collide?

*asked on December 13, 2018* -
## Algebra 1

The length of a rectangular deck is 3 more than 2 times the width. The perimeter of the deck is 48 feet. What is the width of the deck?

*asked on December 13, 2018* -
## chemistry

A plasma reaction converts A (Molecular weight = 200) to B and uses NAD as a co-substrate and produces NADH as a by product (1 mole of NADH is produced per every 1 mole of A converted to B). The amount of NADH can be determined by monitoring its’

*asked on December 11, 2018* -
## Social Studies

Why did the House of Representatives impeach President Johnson? a- He had not been elected by the voters. b-He had fired the Secretary of War illegally. c-He had appointed temporary southern governors. d-He had required states to approve the Thirteenth

*asked on December 7, 2018* -
## Science

0.89 g/mL object will sink, float or suspend in water

*asked on November 14, 2018* -
## social studies

1.Which social class was at the top of the Aztec empire's class structure? A. commoners B. slaves C. nobles------- D. serfs Ms.Sue an you see if my answer is right?

*asked on November 11, 2018* -
## Organic Chem

A student prepares ethyl benzoate by the reaction of benzoic acid with ethanol using a sulfuric acid catalyst. The following compounds are found in the crude reaction mixture: ethyl benzoate (major component), benzoic acid, ethanol, and sulfuric acid.

*asked on November 5, 2018* -
## Social Studies

What colonies relied on fish, commerce, and shipping?

*asked on October 22, 2018* -
## geography

what are the 5 themes of geography?

*asked on October 5, 2018* -
## Calculus II

Calculate the following integrals using substitution a) Integral of x(5+x^2)^10 dx , where u = (5 + x^2) So, x(5+x^2)^10 dx u = (5 +x^2) du= x The answer should be; Integral of (u)^10 = [u/11]^11 + C = [(5+x^2)/11]^11 + C But it say wrong answer

*asked on October 2, 2018* -
## Social studies

which roles were brothers and sons expected play in Africa's matrilineal culture? A. Sons helped their mothers brothers as needed. B. Sisters is protected their brothers. C. Son’s health their mothers sisters as needed. D. Brother is protected their

*asked on September 28, 2018* -
## Geography

Migration to which continent required early humans to travel a great distance across water?

*asked on September 28, 2018* -
## Math

kriss ate 3/8 of a pizza and kim are 4/8 of the same pizza.did they eat the whole pizza?

*asked on May 8, 2018* -
## Biology

How does biodiversity affect ecosystem functioning? How does biodiversity affect ecosystem stability and resilience? I need help with this please I do not understand anything of these questions.

*asked on April 22, 2018* -
## Math

How do you draw the model and the number equations for this question: Kelly has 5 times as many stickers as Meiling. They have 300 stickers altogether. How many stickers does Kelly have? Pls help! Thnx

*asked on April 17, 2018* -
## Math

A 6 ft tall person walks away from a 10 ft lamppost at a constant rate of 5 ft/s. What is the rate (in ft/s) that the tip of the shadow moves away from the pole when the person is 10 ft away from the pole? I have drawn out the picture, but I am not sure

*asked on April 14, 2018* -
## English please help !!

Which revision fixes the misplaced modifier in the sentence? Jace organizes his collection of coins from various countries sitting on the floor. A.His collection of coins from various countries sitting on the floor, Jace organizes. B.Sitting on the floor,

*asked on April 11, 2018* -
## english help please!

Which sentence contains a misplaced modifier? A.This cake that has the chocolate icing is the bakery's best-selling item. B.The landlord put the key back on the counter that he uses to unlock the front door. C.The trainer whose dog obeys so well typically

*asked on April 11, 2018* -
## Math

find the constant of proporionality and the unit rate for the data in the table. Then write an equation to represent the relationship between time t and distance d. Time(hours) Distance(miles 2 90 3 135 5 225 6 270 I need help asap i'm in connexus its a

*asked on April 5, 2018* -
## Chemistry

You need to prepare 1.0 L of a buffer with a pH of 9.15. The concentration of the acid in the buffer needs to be 0.100 M. You have available to you a 1.00 M NH4Cl solution, a 6.00 M NaOH solution, and a 6.00 M HCl solution. Determine how to make this

*asked on February 25, 2018* -
## Science

Which is a better insulator of heat, a plastic spoon or a wooden Popsicle stick?

*asked on February 18, 2018* -
## Math

Sally and Mercian each have some money,if sally spend$45perbday and mervin spent 15 each day,sally would have $120 left by the time mervin spent his money if sally spent$15each day,Marvin spent $45 each day,sally would have 1080 left by the time Marvin

*asked on February 6, 2018* -
## Math

One mixture contains 6 fluid ounces of water and 10 fluid ounces of vinegar. A second mixture contains 9 fluid ounces of water and 12 fluid ounces of vinegar. Are the mixtures proportional? If not, how much water or vinegar would u add to the second

*asked on February 1, 2018* -
## Math

monica paid sales tax of 3.50 when she bought a new bike helmet if the sales tax was 7% how much did the store charge for the bike helmet before tax

*asked on February 1, 2018* -
## Algebra

(3x-2) (2x-3) put this back into standard form?

*asked on December 19, 2017* -
## algebra 1

so i forgot how to get the variables on the same side in an equation such as x = y + 1 help?

*asked on November 29, 2017* -
## algebra 1

so i forgot how to get the variables on the same side in an equation such as x = y + 1 can someone explain please?? thanks :)

*asked on November 29, 2017* -
## chemistry

When molecular oxygen (O2) is converted to water (H2O). Is O2 being oxidized or reduced.

*asked on November 24, 2017* -
## physics

Two forces whose resultant is 100newton are perpendicular to each other if one of them makes an angle of 60Â° with the resultant. calculate its magnitude

*asked on October 21, 2017* -
## Pre-Calculus

Can you please help me to explain how to divide complex numbers by an imaginary number

*asked on October 6, 2017* -
## please help Pre-Calc

The number of pounds of apples a cannery can produce and the processing cost are P(h) = 375h and C(n) = 0.35n + 1000 where P(h) is the number of pounds of apples that can be processed in h hours and C(n) is the cost of processing n pounds of apples. Use

*asked on October 5, 2017* -
## Pre-Calc

The intensity I of light received from a source varies inversely as the square of the distance d from the source. If the light intensity is 5 foot-candles at 17 feet, find the light intensity at 16 feet.

*asked on October 5, 2017* -
## Pre-Calc

can you help me find the inverse of this function algebraically please? f(x) = 2x^3 + 1

*asked on October 5, 2017* -
## Pre-Calc

Find (f/g)(x) for f(x) = 1/x and g(x) = x^3. Show work and state the domain of (f/g)(x)

*asked on October 5, 2017* -
## civics

why do legislative districts vary so muc in size?

*asked on October 5, 2017* -
## Physics

please help: "george drops a stone from atop a cliff of 25m. How long does it take to hit the ocean below, what velocity is it travelling when it gets there?"

*asked on October 3, 2017* -
## history

"That to secure these rights, governments are instituted among men... Whenever any form of government becomes destructive of these ends, it is the right of the people to alter or to abolish it..." Which of the following historical persons would have been

*asked on October 3, 2017* -
## History

Sorry, just one more! Then I'll be done asking! How does the Constitution reflect the principle of popular sovereignty? A. By limiting the amount of power of the government B. By placing protections on the civil right of the nations citizens C. By

*asked on September 14, 2017* -
## History

Hi I have another question. How did George Mason influence the creation of the Bill of Rights? A. He refused to sign the U.S. Constitution B. He encouraged others to oppose the ratification of the constitution C. He assembled an antifederalist convention

*asked on September 14, 2017* -
## History

7. How did the great compromise settle the problem of representation in congress? A. it allowed all states to have equal numbers of representatives in Congress B.it gave each state two senators and a number or representatives based on population C. It gave

*asked on September 14, 2017* -
## Math

Rachel and Rena are sharing a bag of jellybeans. Rachel ate 1/5 of the jellybeans. Rena ate 1/6 of the jellybeans left. Rachel then ate 2/5 of the remaining beans. Rena then ate 2/3 of the ones left. Rachel then ate half which left them two yellow

*asked on August 13, 2017* -
## math

It took Esteban 1 minute and 20 seconds to travel one mile. If he then drives this one mile distance in 55 seconds, how much faster is he driving in miles per hour?

*asked on August 1, 2017* -
## physics

A box is pushed along a surface with constant horizontal force. The surface is frictionless. The box starts from rest and travels 6.0m in 2.0s. if the experiment is repeated but with the box's mass doubled, how far will it travel?

*asked on June 3, 2017* -
## physics/calculus

can someone explain to me why the derivative and second derivative of this position vector r=ax+bty is r'=ax' +by'+ bty' ( why is there a by'...?) and r''=ax'' + cy' +cy' +cty'' ( why is there 2 cy' 's?

*asked on May 30, 2017* -
## math

In △DEF, DF=16 and m∠F=45. Find the length of a leg. Leave your answer in simplest form.?

*asked on May 30, 2017* -
## physics

Suppose an airplane is flying in air with a speed of u=100m/s . The wind is from the south west with a velocity of v= 70m/s what direction should the airplane head in order to fly directly north ( with respect to the ground)? Give the angle in degrees of

*asked on May 28, 2017* -
## Math 4th grade

I need help on how to work this problem out. I need step by step please. This is the word problem: On Monday, I rode 9 miles. On Sunday, I rode 4 fewer days than on Monday. On Tuesday I rode 2 times farther than Sunday. How far did I ride on those 3 days?

*asked on May 23, 2017* -
## Honors Algebra

A biologist is researching a newly discovered species of bacteria. At time t=0 hours, she puts on hundred bacteria into a Petri dish. Six hours later, she measures 450 bacteria. Assuming exponential growth, what is the growth rate "k" for the bacteria?

*asked on May 11, 2017* -
## science

2. Compare and contrast deductive reasoning and inductive reasoning. Based on the information given here, answer the following questions about the experiment: • What are the qualities of deductive reasoning? • What are the qualities of inductive

*asked on May 4, 2017* -
## history

How was Queen Eleanor justified in helping her sons rebel against their father?

*asked on May 1, 2017* -
## Science

car 1 is moving at 10 m/s and hits car 2 if they have a perfectly elastic collision and the masses are 1700 kg and 3000kg respectively what is the final velocity of the second car ?

*asked on April 19, 2017* -
## Math

You roll two fair dice. Let E be the event that an even total shows on the dice. Let F be the event that a six shows on at least one of the dice. Find P(F) and P(F|E). Choices: P(F)=1/3; P(F|E)=1/13 P(F)=1/3; P(F|E)=5/18 P(F)=11/36; P(F|E)=7/18 P(F)=11/36;

*asked on April 18, 2017* -
## math

The sum of two numbers is equal to 495. The last digit of one of them is zero. If you cross the zero off the first number you will get the second. What are the numbers?

*asked on April 17, 2017* -
## english

each rhyme is made up of one possessive noun and one plural noun. Write the answer to each riddle

*asked on April 10, 2017* -
## Math NEED HELP URGENT

At noon, Professor Simon has a petri dish with 10,000 cells of Bacteria A. In another petri dish, he has 33,000 cells of Bacteria B. Every hour, Bacteria A grows by 8%. Every hour Bacteria B cells die off, decreasing the number of cells by 6%. After how

*asked on March 29, 2017* -
## Math- PLEASE HELP!!

At noon, Professor Simon has a petri dish with 10,000 cells of Bacteria A. In another petri dish, he has 33,000 cells of Bacteria B. Every hour, Bacteria A grows by 8%. Every hour Bacteria B cells die off, decreasing the number of cells by 6%. After how

*asked on March 29, 2017* -
## Algebra

At noon, Professor Simon has a petri dish with 10,000 cells of Bacteria A. In another petri dish, he has 33,000 cells of Bacteria B. Every hour, Bacteria A grows by 8%. Every hour Bacteria B cells die off, decreasing the number of cells by 6%. After how

*asked on March 29, 2017* -
## physics

Considering the factors that affect gravitational pull, in which location would the gravitational pull from the earth be SMALLEST on you? A) visiting friends at the beach B) visiting Santa on the second floor of the mall C) visiting Uncle Chrissy in the

*asked on March 21, 2017* -
## Science

What abiotic and biotic factors might limit population size and mono lake?

*asked on March 15, 2017* -
## Advanced Functions

PLEASE READ THE BOTTOM I ADDED ON!! :) the ferris wheel at an amusement park measures 16m in diameter. the wheel does 3 rotations every minute. the bottom of the wheel is 1m above the ground... a) determine the simplest equation that models Megan's height

*asked on March 12, 2017* -
## Advanced Functions

h = 8 sin [π/10(t-5) ] + 9 covert to cosine??

*asked on March 11, 2017* -
## Advanced Functions

the ferris wheel at an amusement park measures 16m in diameter. the wheel does 3 rotations every minute. the bottom of the wheel is 1m above the ground... a) determine the simplest equation that models Megan's height above that ground(h) over time (t).

*asked on March 11, 2017* -
## english help asap

Senator Warren states that women are "ready to fight back" against unequal pay. Is this a valid argument supported by accurate evidence? A.No; Warren weakens her point by noting that "Today, more young women go to college than men." B.Yes; Warren supports

*asked on February 24, 2017* -
## Chemistry

The reaction of nitrogen dioxide with fluorine generates nitryl fluoride: 2NO2(g) + F2(g) --> 2NO2F(g) To determine the rate law for this reaction, a chemist performed several initial-rate experiments using different initial concentration, with the details

*asked on February 9, 2017* -
## math help quick please

solve {y=x-7 {5x+2y=7 Use the substitution method. A.(0, −7) B.(7, 0) C.(3, −4) D.(−1, −8)

*asked on February 6, 2017* -
## math plzzz help quick

What is the y-coordinate of the solution of the system of equations? {y=2x+14 {-4x-y=4 Enter your answer in the box. y =

*asked on February 6, 2017* -
## math

The radius of a circle is 17 feet. Using the formula A = r2, what is the area of the circle? Use 3.14 for pi.

*asked on February 6, 2017* -
## math plzzz help quick

What is the y-coordinate of the solution for the system of equations? {x-y=-11 {y+7=-2x Enter your answer in the box. y =

*asked on February 6, 2017* -
## Math

Suppose the P(A) = 1/6 . Find the odds in favor of A . Would you explain the step by step process? thanks!

*asked on February 6, 2017* -
## History

What is an example of internal sovereignty? Would the Third Reich and the SS be considered an example? thank you!

*asked on February 4, 2017* -
## maths

The first term of a geometric sequence is 31(1/4),the last term is 2 and the sum of the associated series is 50(3/4).what is the common ratio and how many terms are there in the series?

*asked on January 25, 2017* -
## math

find each product mentally 6*4.4

*asked on January 24, 2017* -
## math

find each product mentally.12*4 3/4

*asked on January 24, 2017* -
## Math

if two fair dice are rolled what is the probability that the total showing is more than four? Will you please explain how to do this problem? Thank you

*asked on January 22, 2017* -
## Math

What is my number? 1.My number is a perfect square 2.The only prime number in it's prime factorization is 2 3.My number is a factor of 32 4. The sum of it's digits is odd.

*asked on January 10, 2017* -
## Math

What is a quadrilateral that has a 90* angle another 90* angle, a 125*angle, and a 55*angle

*asked on January 9, 2017* -
## Language arts 7

Joe magarac, Man of steel 8. In section 1, what does the author mean when he says joe magarac is a folk hero? A. Joe was a real man who spent his whole life in the steel mills of Pittsburgh. B. Joe was a mysterious figure who vanished without a trace. C.

*asked on December 13, 2016* -
## Language arts Correct my answer

The salesperson ignored Lisa. He was helping an older customer. Which sentence best combines the two sentences using a participial phrase? A. Lisa was ignored by the salesperson as he helped an older customer B. An older customer was being helped by the

*asked on December 13, 2016* -
## Math correct me

5.The sales tax rate 6.3%. a. find the tax paid for a pair of earrings with a list price of $77 b. what is the total cost of the pair of earrings? $4.85;$77.79 $4.85;$81.85 ••• $0.49;$77.49 $0.49;$81.85

*asked on December 13, 2016* -
## Social Studies

what is the connection among sectionalism, slavery, and states rights as causes of the Civil War? How did the southern response to the 1860 election results demonstrate this connection? Could someone help me with this and explain it?

*asked on November 29, 2016* -
## Chemistry

Hydrogen gas is used for many purposes, including the hydrogenation of vegetable oils to make margarine. The most common industrial process for producing hydrogen is "steam reforming", in which methane gas, CH4, from natural gas reacts with water vapor to

*asked on November 16, 2016* -
## Chemistry

An antacid contains 200mg of aluminum hydroxide and 200 mg of magnesium hydroxide per capsule. How many moles of aluminum hydroxide does each capsule contain? What is the mass in milligrams of 0.0734 mole of magnesium hydroxide?

*asked on November 16, 2016* -
## university physics

A 5.20 g pellet is shot horizontally from a BB gun at a speed of 29.1 m/s into a 20.8 g wooden block. The wooden block is attached to a spring and lies on a frictionless table. If the collision is inelastic and the spring constant k = 22.0 N/m, what is the

*asked on November 15, 2016* -
## Chemistry

One third of vanilla ice cream provides about 145 kcal of energy. A typical adult uses about 195 kcal/hr of energy while walking. If all of the energy in one third of a cup of vanilla ice cream were to be burned off by walking, how many minutes would it

*asked on November 15, 2016* -
## Chemistry

This compound has a molecular mass of 1268.06g/mol, what is the molecular formula for this compound?

*asked on November 15, 2016* -
## physics

if a swimmer can swim in still water at a speed of 7.3 m/s and he intends to swim across a river that has a downstream current of 2.5 m/s what is the swimmers direction?

*asked on November 4, 2016* -
## math

Four students work to find an estimate for square root 37. Who is closest to finding the true estimate? (1 point) Rhonda: "Use square root 16 and square root 25 to estimate." Ricardo: it should be between square root 25 and square root 36." Riley: "i use

*asked on November 2, 2016* -
## math

Four students work to find an estimate for square root 54. Who is closest to finding the true estimate? (1 point) Rhonda: "Use square root 16 and square root 25 to estimate." Ricardo: "I use square root 25 and square root 36." Riley: "It should be between

*asked on November 2, 2016* -
## Math HELP!!

Chuck needs to cut a piece of cardboard for an art project at school. He has four pieces of cardboard that he can cut from: 6 inches, 5 inches, 7 inches, and 3 inches. If the length of the cardboard he needs is √35 inches, which piece of cardboard should

*asked on November 2, 2016* -
## Math

Use your fraction strips to locate and label these numbers on a number line:0,fraction of 3 fourths and 7 eighths. Then use your fraction strips to measure the distance between 3 fourths and 7 eights

*asked on November 1, 2016* -
## Physics

A football quarterback shows off his skill by throwing a pass 45.90 m downfield and into a bucket. The quarterback consistently launches the ball at 40.00 ∘ above horizontal, and the bucket is placed at the same level from which the ball is thrown. What

*asked on October 22, 2016* -
## Physics

Maya follows a maze by going: 3 m north, 2 m west, 1 m south, 1 m west, 2 m north, 6 m east, and 2 m north. What is her final displacement in a north/south direction.

*asked on October 2, 2016*