# Emily

Newest questions and responses by Emily-
## Math

Which decimal had the same value as 72/100

*asked on January 7, 2019* -
## Statistics

A gambler offers to let you play the following game: he will roll two (fair) dice. If the sum of the two dice is 7, you will lose $8. If the sum of the two dice is 2, you will lose $7. For any other roll, you will win $4. What is the expected value of this

*asked on December 8, 2018* -
## chemistry

aluminum metal is added to a solution of cobalt (II) sulfate

*asked on December 4, 2018* -
## Math

A cellbphone company charges $10 per month for up to 500 text messages and $0.15 for each additional text message. Stanley was charged $14.50 last month for text messages.

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

What is the value of y 2x+3y=105 x+2y=65

*asked on November 19, 2018* -
## Biology

What are the three layers of skin and a description of thier structures and functions? This is not for a test this is for notes and my teacher didn’t go over it well. Pls help

*asked on November 12, 2018* -
## Math

Zach is planning to invest up to $50,000 in corporate and municipal bonds. The lest he will invest in corporate bonds is $6000 and he does not want to invest more than $27,000 in corporate bonds. He also does not want to invest more than $34,650 in

*asked on November 11, 2018* -
## science

What factors could produce more damage and/or deaths from a “weaker” or lower category storm?

*asked on November 9, 2018* -
## math

A man has a simple discount note for $6,500 at an ordinary bank discount rate of 8.61 %, for 50 days. What is the effective interest rate? Round to the nearest tenth of a percent

*asked on November 8, 2018* -
## accounting

A man has a simple discount note for $6 comma 500, at an ordinary bank discount rate of 8.61 % comma for 50 days. What is the effective interest rate? Round to the nearest tenth of a percent

*asked on November 8, 2018* -
## Science

Is there a scale other than VEI for volcanic eruptions? if so based on what variable?

*asked on October 23, 2018* -
## Math

An isosceles triangle has a perimeter of 15 m. Find all the integral possibilities for the lengths of the sides in meters. Hint the sum of the lengths of any two sides of a triangle must exceed the third side.

*asked on October 18, 2018* -
## math

an isosceles triangle has perimeter of 15m. Find all integral possibilities for the lengths of the side in meters. Hint: the sum of the lengths of any two sides of a triangle must exceed the third side.

*asked on October 17, 2018* -
## math

How to rearrange an equation by using A=2pirh?

*asked on October 17, 2018* -
## History

How does not doing mercantilism help benefit the ruling country? This is to help me on a essay I can’t find anything on how not doing mercantilism. Thank you

*asked on October 13, 2018* -
## algebra

What is the probability of each event? a. rolling a sum of a prime number on one roll of two standard number cubes. b. rolling a sum of 5 or a sum of 3 on one roll of two standard number cubes.

*asked on September 30, 2018* -
## biology

how are phospholipids similar to lipids such as triglycerides and how are they different?

*asked on September 29, 2018* -
## biology

Can somebody please explain the difference between exothermic and endothermic reactions?

*asked on September 29, 2018* -
## Language arts

1. reflect on the feedback you received from WriteToLearn about your autobiographical Narrative. (4 points) Which traits are strongest in your autobiographical narrative: ideas, organization, voice, word, choice, sentence fluency, or conversations? Provide

*asked on September 26, 2018* -
## Chemistry

A person wanted to purchase products at a store ($43.99) and wanted to use a coupon for 20% off. What would be the final total when the coupon is used on the item and the sales tax (11%) is added? Remember significant figures in your calculations.

*asked on September 24, 2018* -
## Chemistry

I'm not sure if I'm doing the problem correctly and would appreciate if someone could take a look. Thank you. Question: For the following cell reaction at 25 degree C Ce^+3 | Ce ^+4 0.80M || Pb ^+2 | Pb^0 0.015M | A) Calculate E^0 for the cell. Anode

*asked on September 23, 2018* -
## social studies

what is the definition of terrorist?

*asked on September 20, 2018* -
## Science

Which of these correctly describes how a system can store potential energy on the microscopic level?” A. The particles must have position with regards to a reference point if the system stores potential energy B. The particles must be in motion if the

*asked on September 18, 2018* -
## Science

Study the scenario. An object is at rest. At five seconds, someone comes over and pushes the object with a force of 3 N to the right. Which of the following choices describes the force needed to keep the object in static equilibrium? a. A force of 3 N to

*asked on September 12, 2018* -
## Integrated Science B

A girl walks with a velocity of 1 m/s, and then increases her speed uniformly to 3 m/s in 4 s. What is the girl’s acceleration? A. 1.5 m/s2 B. 0.75 m/s C. 2 m/s2 D. 0.5 m/s2

*asked on September 11, 2018* -
## English 10A

While it was yet dark a great strange cry rang out in the churchyard. A. Simple B. Compound-Complex C. Compound D. Complex I know 100% that it isn't simple. I think it is C though. Am I right?

*asked on September 11, 2018* -
## Math/science

A small rock with a mass of 6g is dropped into a graduated cylinder with 20ml of water. The water rises to 23ml. What is the density of the rock?

*asked on September 10, 2018* -
## World History

How did the impact of imperial powers on colonies have a drastic effect on the course of human history? I don't how to answer this? Any idea?

*asked on September 3, 2018* -
## World History

Why did rogue states become more prominent following the Soviet Union’s collapse? I know what a rogue state is but I don't know why it is involved with the Soviet Union and their collapse. I also know that it has something to do with the Cold War. Can

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

Jason’s age is 1/4 of his fathers age. 28years later, Jason’s age will be 3/5 of his fathers age. How old was Jason’s father when Jason was born?

*asked on August 27, 2018* -
## Math

How do I find the remaining frequencies? I believe the entire frequency distribution is 2,6,12,12,6,2, for it is a normal distribution, but I am not sure if the middle values can be equivalent. Is this correct? Can someone please explain this to me? Assume

*asked on August 26, 2018* -
## Statistics

How do I find the remaining frequencies? I believe the entire frequency distribution is 2,6,12,12,6,2, for it is a normal distribution, but I am not sure if the middle values can be equivalent. Is this correct? Can someone please explain this to me? Assume

*asked on August 26, 2018* -
## science

An organism is capable of both sexual and asexual reproduction. How could this affect the variability of genes in the members of its species?

*asked on August 15, 2018* -
## Math

In a Sing Thing, the first 4 singers sang Song 1, the next 4 sang Song 2, and so forth. Singer number 73 sang Song ? A. 18 B. 19 C. 20 D. 73 I got B, is that correct?

*asked on August 7, 2018* -
## Summer

Hey why is everyone asking school questions in summer? go out and enjoy yourself. (please don't ban me)

*asked on July 27, 2018* -
## English

Stopping by Woods on a Snowy Evening by Robert Frost Whose woods these are I think I know. His house is in the village, though; He will not see me stopping here To watch his woods fill up with snow. My little horse must think it queer To stop without a

*asked on July 25, 2018* -
## arithmetic geometric

Determine whether each sequence is arithmetic geometric or neither if the sequence is arithmetic give the common difference if geometric give the common ratio 1. 6,18,54,162, 2. 4,10,16,22 3. 1,1,2,3,5,8 4. 625,125,25,5 5. 5,8,13,21,34

*asked on July 15, 2018* -
## Physics

A stretched wire of 80cm vibrates with fundamental frequency of 256Hz.If length of wire is reduced to 15cm, the fundamental frequency now will be?

*asked on July 12, 2018* -
## Math

A ship is travelling with a velocity (30i- 42j), and a trolley is being pushed relative to the ship with the velocity (-5i- 6j). A fly is crawling on the trolley with relative velocity ( -i- 1/2j - k). a) calculate the velocity and the speed of the

*asked on June 10, 2018* -
## Chimstery

(white Powder) : 42.2% carbon, 6.4% Hydrogen, and 51.4% Oxygen Formula Mass = 342.2965 amu Molecular Formula: Empirical Formula: Identity?what does the drug do?

*asked on June 2, 2018* -
## Math

Which measure correctly completes the statement? 538.826 L = ? mL A) 528,826 mL B) 5,388.26 mL*** C) 538.826 mL D) 53,882,600 mL *** = My answer

*asked on May 29, 2018* -
## Math

Estimate the area of a circle with a radius of 16 meters use 22/7 for pi A) 62 square meters B) 531 square meters C) 805 square meters D) 1,608 square meters Can someone explain to me how to do this?

*asked on May 29, 2018* -
## Math

Ms sue Can you put the link for how to find the volume of a rectangular prism? i dont know how to find it thanks

*asked on May 29, 2018* -
## Math

How do I find the area of a triangle?

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

How do I find the area of a trapezoid?

*asked on May 28, 2018* -
## Chemistry

1. Outline a procedure to prepare an ammonia/ammonium buffer solution. I'm confused how to start it off.

*asked on May 25, 2018* -
## Chemistry

28. Explain, in terms of equilibrium shifts, how this buffer mixture resists changes in pH when small quantities of both a strong acid and a strong base are added. The buffer mixture was made up of: monosodium phosphate(NaH2PO4) and disodium phosphate

*asked on May 25, 2018* -
## Chemistry (PLZ HELP)

1. Outline a procedure to prepare an ammonia/ammonium buffer solution. I'm confused how to start it off. This is an outline of how the steps should be: Step One - Calculate the concentration of hydronium ions in the solution that requires buffering. You

*asked on May 24, 2018* -
## Chemistry (PLZ HELP)

Hydrazine, N2H4(aq), is used in the preparation of polymers, pharmaceuticals and rocket fuel. Hydrazine has alkaline properties similar to ammonia and will act as a weak base. Given that a 100 mL sample of 0.10 mol/L hydrazine solution has a pH of 10.55 at

*asked on May 24, 2018* -
## Chemistry

Hydrazine, N2H4(aq), is used in the preparation of polymers, pharmaceuticals and rocket fuel. Hydrazine has alkaline properties similar to ammonia and will act as a weak base. Given that a 100 mL sample of 0.10 mol/L hydrazine solution has a pH of 10.55 at

*asked on May 24, 2018* -
## Math!!!

Which measure correctly completes the statement? 538.826 L = ? mL A) 528,826 mL B) 5,388.26 mL*** C) 538.826 mL D) 53,882,600 mL *** = My answer

*asked on May 23, 2018* -
## Math

Can someone explain how to find the volume of a rectangular prism plz? thx!!!!!!

*asked on May 23, 2018* -
## Math

A bag contains 6 red marbles, 3 white marbles, and 7 blue marbles. You pick a marble without looking. Find the probability of drawing a white marble. Can someone please explain how I would work this out?

*asked on May 21, 2018* -
## Physics

Why are alpha and beta rays deflected in opposite directions in a magnetic field? Why are gamma rays not deflected at all? Why are alpha particles with the same velocity deflected less than beta particles?

*asked on May 10, 2018* -
## Physics

A great physicist by the name of Richard Feynman said, "I think it is safe to say that no one understands quantum mechanics." What do you think he meant by this? Does this mean quantum mechanics is wrong? How can we know?

*asked on May 10, 2018* -
## Physics

Suntan Sally put on her bathing suit and relaxed in a room that was pitch black. At the same time Tanline Timmy put on his bathing suit and relaxed in a room filled with bright light. A couple hours later Suntan Sally had a bad sunburn while Tanline Timmy

*asked on May 10, 2018* -
## Health

How can tobacco affect the circulatory system? A. Decreases heart rate B. Raises blood pressure C. Softens the arteries D. Causes ulcers How can tobacco affect the body? A. Increases appetite B. Makes teeth whiter C. Slows heart beat D. Causes nausea How

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

A stained glass window has an area of 900 square inches. A. Once a window design is made of rectangular pieces that are 5 inches by 3 inches. How many stained glass pieces are used in the window? B. Another window design is made of square stained glass

*asked on April 24, 2018* -
## Math

It is a beautiful sunny day at the fair. The U.V. index for this day is 8 or higher so sunscreen is a must. The effectiveness of sunscreen is indicated by the sunscreen protection factor (SPF). The higher the SPF number the less U.V. rays can penetrate to

*asked on April 10, 2018* -
## math

It is a beautiful sunny day at the fair. The U.V. index for this day is 8, or high, so sunscreen is a must for all the young folk. The effectiveness of sunscreen is indicated by the sunscreen protection factor (SPF). The higher the SPF number the fewer

*asked on April 7, 2018* -
## math

The busy Mother pours herself a coffee into a paper cup before making her way to the amusement park. The coffee temperature is 35 C when the cup is placed on the kitchen counter. The Mother needs to tend to her son and her coffee is forgotten. When the

*asked on April 6, 2018* -
## math

A plant grew 14 inches over 5 months. The plant grows the same amount each month. Use this rate to complete the table.

*asked on April 4, 2018* -
## Calculus 1

Hi! Could someone help me with this problem. You have 8L feet of fence to make a rectangular vegetable garden alongside the wall of your house, where L is a positive constant. The wall of the house bounds one side of the vegetable garden. What is the

*asked on March 27, 2018* -
## Chemistry

Can someone please help guide me through this question? Calculate the change in entropy of the surroundings . No work is done. You begin with 1 mol of CO. The reaction takes place at 298 K. 2CO + O2→ 2CO2 BDE (C≡O): 1072 kJ/mol; BDE (O=O): 495 kJ/mol;

*asked on March 9, 2018* -
## AP Physics

Determine the change in rotational kinetic energy when the rotational velocity of the turntable of a stereo system increases from 0 to 33 rpm. Its rotational inertia is 6.2×10−3kg⋅

*asked on March 8, 2018* -
## Algebra 1

Josh and Greg leave from the same place and travel the same route. Josh travels 2 hours and stops. Greg travels 5 hours at double Josh's rate. After five hours they are 256 miles apart. Find the rate and distance of each.

*asked on March 8, 2018* -
## Algebra 1

Micah Beasley invested $10,000 for one year, part at 10% annual interest and part at 14% annual interest. Vos total interest for the year was $1,280. How much money did he invest at each rate?

*asked on March 8, 2018* -
## Algebra

3p+3=2p+4.5 bar models I just need help understanding how to do it.

*asked on March 6, 2018* -
## Physics

I did a lab report on gravitation. In the lab, we explored what the relationship is between the distance between two objects and their force of gravity. The independent variable was distance (m) while the dependent variable was force of gravity (N). When I

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

A triangle has a perimeter of 48 feet the Exxon’s aid is 5 feet longer than the first side the third side is 3 feet longer than twice the fiat side

*asked on February 26, 2018* -
## Language Arts

What is a similarity between a haiku poem and a concrete poem?

*asked on February 16, 2018* -
## Math

When factor pairs begin repaying, I have found all the pairs for a number.

*asked on February 15, 2018* -
## MATHS

How do i find the average of 9cm, 6cm,10cm and 11cm?

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

what is 0.012 as a fraction in its simplest form? and can you explain how you found the answer?

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

If A =4 and B=3 Is AB .....12..?? Could you run through the steps to solve it please

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

A certain player makes a successful first serve 80% of the time. Assume that everything is independent. The propbability that she gets at least 4 serves in is_____? and that she gets no more than 3 serves in is_____?

*asked on February 4, 2018* -
## math

Explain why sqrt(a+b) does not equal sqrt a + sqrt b, for a>0 and b>0?

*asked on January 19, 2018* -
## math

Vernon Wells hits a baseball that travels for 142m before it lands. The flight of the ball can be modeled by a quadratic function in which x is the horizontal distance the ball has traveled away from Vernon, and h(x) is the height of the ball at that

*asked on January 7, 2018* -
## Ratios

A group of students surveyed chose baseball and soccer as their favorite sport in the ratio 3 to 8 if 56 students chose soccer as their favorite sport find the number of students that shows baseball is the favorite sport 132 students were surveyed

*asked on January 3, 2018* -
## physics

An ice cube at its freezing point is placed in nested Styrafoam cups which contain 240 g of water at 21.5 °C. If the final equilibrium temperature when the last trace of ice melts is 25.0 °C, what was the mass of the ice cube?

*asked on December 22, 2017* -
## physics

A 24.0 g metal cube at 85.5 °C is placed into a calorimeter containing 125 mL of water at 20.0 °C. The final equilibrium temperature of the metal cube and the water in the calorimeter is 24.8 °C. Determine the specific heat of the metal

*asked on December 22, 2017* -
## physics

A liquid absorbs 45 kJ of heat, and its temperature increases from 305 K to 315 K. Determine the heat capacity of this liquid.

*asked on December 20, 2017* -
## physics

An aluminum block absorbs 1.0 x 104 J of energy from the Sun when its temperature increases by 5.0 °C. What is the mass of the block? the specific heat capacity of aluminum is 920

*asked on December 20, 2017* -
## math

Show that a function f(n)= 2n^3+n^2+6n+3 always produces a number that is divisible by an odd number greater than 1, for any natural number, n. 2n^3+n^2+6n+3 = n^2(2n+1) + 3(2n+1) = (2n+1)(n^2 + 3) what's next?

*asked on December 15, 2017* -
## math

Show that a function f(n)= 2n^3+n^2+6n+3 always produces a number that is divisible by an odd number greater than 1, for any natural number, n.

*asked on December 15, 2017* -
## Physics

At what temperature, in degrees Celsius, is the speed of sound in air 341 m/s?

*asked on December 5, 2017* -
## Writing

Hello! I was on here the other day asking about how I should write up an analysis of a conversation with a four-year-old boy, and I was hoping I could have some help with the grammatical aspect of the paper? Would you mind if I post my analysis here and

*asked on December 5, 2017* -
## Writing

Hello! I need some help on how to write my (1000-1500 word) analysis paper. My class is about language acquisition in children and I had to analyze a child's spontaneous conversation. I have analyzed it, but I'm unsure of how to write it up. Please help!

*asked on December 2, 2017* -
## Physics

A flywheel has a constant angular acceleration of −0.84 rad/s^2. What is its angular velocity 15 s after its angular velocity is 5.0 rad/s?

*asked on November 28, 2017* -
## algebra

what is LCM of 6ab^2 and 3a^2b

*asked on November 28, 2017* -
## Algebra

Change to fractional notation in simplest form using limit or sum of an infinite series 4.234 (34 repeating)

*asked on November 28, 2017* -
## Algebra

Find the general term in simplest form for the sequence 2,1,-4,7,-10,13,-16. There's an addition of 3 with alternating signs I think but I'm unable to find a general term.

*asked on November 27, 2017* -
## Calculus

A rectangular storage container with an open top is to have a volume of 10 m3. The length of its base is twice the width. Material for the base costs $9 per m2. Material for the sides costs $150 per m2. Find the dimensions of the container which will

*asked on November 26, 2017* -
## Calculus

A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus, the diameter of the semicircle is equal to the width of the rectangle.) If the perimeter of the window is 20 ft, find the dimensions of the window so that the greatest possible

*asked on November 26, 2017* -
## Calculus

Find the slope and y-intercept of the line through the point (6,2) that cuts off the least area from the first quadrant.

*asked on November 26, 2017* -
## Algebra

A sheet metal fabricator makes boxes from sheet of steel. Each sheet of steel has an area of 1500cm2. 6cm squares are cut from each corner and the edges are bent up to form a box with a volume of 3456cm3.What are the dimensions of each box? I was making my

*asked on November 25, 2017* -
## Math helppp

As of January 2012, the top three grossing pictures worldwide were Avatar, Titanic and the finalenof Harry Potter series. Together they grossed $5.9 billion. Avatar earned just $300,000,000 less than both other movies combined, while Avatar and Titanic

*asked on November 20, 2017* -
## Hellpppp calculus

Solve by elimination. 0.1x + 0.3y = 1.5 0.6y + 0.2x =-1.2

*asked on November 15, 2017* -
## physics

A 9800 kg rocket is travelling east along a horizontal fricitonless rail at a velocity of 11 m/s. The rocket is then accelerated uniformly to avelocity of 22 m/s in a time of 0.75 s by the expulsion of hot gases. What is the average force with which the

*asked on November 10, 2017* -
## Social Studies

The Bill of Rights promises that punishment for a crime cannot be cruel or unusual, meaning that it cannot be painful or degrading to the person's dignity. What punishment would be considered cruel and unusual. Someone who commits assault is beaten as

*asked on November 8, 2017*