# Naomi

Most popular questions and responses by Naomi-
## Math

If the area of parallelogram ABCD = 246 mm2 and h = 20.5 mm, what is the length of the base of triangle ABD? A.12 mm** B.24 mm C.123 mm D.There is not enough information given.

*asked on February 26, 2016* -
## Chemistry

What is the total molar concentration of all the ions in 0.0200 M solutions of the following salts in water? 0.0200 M KCl 0.0200 M CuSO4 0.0200 M CaCl2

*asked on March 3, 2018* -
## ELA

Which of the following passages from the text best illustrates Phillips ability to adapt to his blindness? A. I tried to make my eyes cut through the darkness. B. After a moment of silence, I heard the sizzle of the water as Timothy doused the torch. C. I

*asked on December 8, 2016* -
## Statistics

A certain organization recommends the use of passwords with the following format: consonant comma consonant, consonant comma vowel comma consonant comma vowel comma consonant comma number comma number consonant, vowel, consonant, vowel, consonant,

*asked on June 21, 2018* -
## Science for ms. Sue

If you were to walk towards a Van der Graaf generator, the effect of its electric field would get weaker as you got closer to it. A.True B.False I think it is A

*asked on March 2, 2015* -
## Social Studies

The decades around the year 50 B.C. saw the end of the Roman Republic and the rise of the Roman Empire. What factors led to the decline of the Roman Republic? Do you think there was any way for the republic to be preserved? What are the disadvantages of an

*asked on March 15, 2017* -
## Math

Demarcus drew a pair of complementary angles. He drew one angle that had a measure of 48 degrees. What was the measure of the other angle he drew? A. 42 degrees** B. 48 degrees C. 132 degrees D. 138 degrees

*asked on February 26, 2016* -
## Math

if you were to sketch a cirlce graph for the data shown in the table below, what fraction of the circle would represent food? Expense Activities= $600 Food= $450 Souvenirs= %270 Show answer in fraction please!

*asked on January 26, 2017* -
## Chemistry

an 83.0 kg athlete running a "4-minute mile" (i.e. 4.00 min/mile) ________nm an electron (me = 9.10939 × 10–28 g) moving at 3.90 × 106 m/s in an electron microscope ______nm

*asked on March 21, 2018* -
## Math

a flower was 1.6 meters high one week ago in 7 days it grew 11 centimeters find the current height of the flower 12.3 m, 1.71 m, 125 cm or 11.2 cm , i did times tables and got 17.6 and then i tried deviding but got a weird long number that wasn't on the

*asked on April 11, 2014* -
## physics

At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 291 N/C. At a distance r2 from the charge, the field has a magnitude of 165 N/C. Find the ratio r2/r1. I divided 165/291 and got .567

*asked on February 13, 2016* -
## Chemistry

Lactic acid, a chemical responsible for muscle fatigue, is a monoprotic acid. When 0.578 g of lactic acid is titrated with 0.206 M NaOH, a volume of 31.11 mL of NaOH is used. What is the molar mass of lactic acid? HA + NaOH > NaA + H2O (also does the A

*asked on March 3, 2018* -
## Math HELP

a flower was 1.6 meters high one week ago in 7 days it grew 11 centimeters find the current height of the flower 12.3 m, 1.71 m, 125 cm or 11.2 cm , i did times tables and got 17.6 and then i tried deviding but got a weird long number that wasn't on the

*asked on April 11, 2014* -
## Physics

Two spherical objects are separated by a distance of 2.97 × 10-3 m. The objects are initially electrically neutral and are very small compared to the distance between them. Each object acquires the same negative charge due to the addition of electrons. As

*asked on February 13, 2016* -
## mATH

1. Compare using , or =. -15 and -21 A < (MY ANSWER) B > C. = 2. Which nuumber is greater than -24? A -42 B-27 C -16 (MY ANSWER) D -30 3. Which set of integers is ordered from greatest to least. A -13, 4, 0, -8 B -5, -2, 3, 1 C -12, -8, -4, 7 (MY ANSWER) D

*asked on April 3, 2017* -
## Math 141

A pair of fair 6-sided dice is rolled. What is the probability that a 3 is rolled if it is known that the sum of the numbers landing uppermost is less than or equal to 7? (Enter your answer as an exact fraction.)

*asked on November 5, 2015* -
## physics

A person walks 25m west and then 45m at an angle of 60 degrees north of east. What is the magnitude of the total displacement?

*asked on June 14, 2011* -
## Chemistry

Calcium chloride contains calcium and chloride ions. Write the ground-state electron configuration for the calcium ion.

*asked on March 20, 2018* -
## urgent help!

ASAP help please. Choose one destination that is represented by a flag. Write a paragraph about the effects of climate change in that destination. I do not know what to choose for this just give me ideas plz.

*asked on April 13, 2017* -
## Physics 2

four identical charges (q = +3µC) are arranged in a form of a rectangle. what are the magnitude and direction of the net electric force on the charge in the lower right corner attributable to the other three charges? distances are in meters.

*asked on August 16, 2014* -
## Science Please Help

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

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

which of the following is greater than 1/2? A. 4/10 B. 2/5 C. 6/7 D. 8/15 E. 9/19

*asked on January 6, 2019* -
## math

which of the following has the greatest value? 5/8 65% 52% 4/7 27% 79% 7/8

*asked on January 6, 2019* -
## Science

Both carbon dioxide and water are pure substances. How are they similar to each other? A.) both substances have a set ratio of atoms that cannot be separated by physical means. B.) both substances have a set ratio of atoms that can be separated by physical

*asked on April 15, 2014* -
## Science

Faraday of electrolysis

*asked on February 11, 2019* -
## Chemistry

If 1.5g of CaO is mixed with 2.5M HNO3 how many moles of CaO were reacted and what type of reaction is this ?

*asked on July 20, 2014* -
## Chemistry

7. 2Sr + O2 2SrO a) Determine what is oxidized and what is reduced b) Identify the oxidizing agent and the reducing agent 8. 2Cs + Br2 2CsBr a) Determine what is oxidized and what is reduced b) Identify the oxidizing agent and the reducing agent

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

A basketball has a surface area of 1810 in^2 and a baseball has a surface area of 6 in^2. What is the diameter of a baseball if the diameter of a basketball is 9.5 in^2.

*asked on October 18, 2017* -
## Math

A rectangular pizza, 40 cm by 60 cm, is cut into 24 square pieces. Two round pizzas, each cut into 12 slices, also give 24 pieces. So that the pizzas are the same size, what must be the diameter of the round pizzas?

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

solve the equation c/4 -5 =4 Please show all steps please!

*asked on May 5, 2017* -
## science

If the absolute pressure of gas is 550.280 kPa, it's gage pressure is what? Subtract atmospheric pressure from that to get gage pressure. Atmospheric pressure varies with altitude and weather, but the average atmospheric pressure, at sea level, is 101.325

*asked on July 1, 2005* -
## Chemistry

25cm cubes of potassium hydroxide was prepared by dissolving 11.2grams of potassium hydroxide in 250cm cubes of distilled water, was found to exactly neutralize 20cm cubes of a certain hydrochloric acid solution . Find the molarity of the acid in moles/dm

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

What volume of 0.5molar nitric acid is needed to neutralize 30cm cubes of 0.8molar sodium carbonate?

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

1.If a solution absorbed violet light, what color would the solution appear to be? ________________ Calculate the concentration of a solution prepared by adding 15.00 mL of 2.00×10^−3 M KMnO4 from a buret into a 50.00 mL volumetric flask, which is then

*asked on March 20, 2018* -
## Spanish

Answer. Use a possessive adjective in your answer. Tus padres tienen un carro. ¿Es viejo o nuevo el carro de tus padres?

*asked on December 11, 2015* -
## algebra 1

1)write an inequality a. the sum of three times a number and 2 lies between 7 and 14 b.seven less than 4 times a number is at most 44 and at least -24. 2)which is not a solution of -4 is less than or equal to 2-6x less than or equal to 8. 3) 2x-1

*asked on December 17, 2012* -
## physics

A particle at rest undergoes an acceleration of 2.1 m/s2 to the right and 5 m/s2 up. a) What is its speed after 7.9 s? Answer in units of m/s.

*asked on November 3, 2009* -
## Calculus

At the scene of an accident, there are skid marks which are 200 feet long showing where a car put on the brakes. The driver swears that he was obeying the speed limit. If we assume that the car braked with a constant deceleration of 16ft/sec^2. We can

*asked on April 4, 2017* -
## math

a tank and a pail contain a total of 5,136 milliliters of water. jacob pours 314 milliliters of waster from the pail into the tank. the amount of water in the tank is now 7 times what is left in the pail. how much water was in the pail at first?

*asked on October 20, 2013* -
## Reading

can you help me thank you: 2.Detecting bias is one of the major keys to effective critical thinking and reading. True or False, I believe True 3.Deductively valid arguments can guarantee their conclusions. True or False, I believe it is false 4.A fallacy

*asked on August 6, 2011* -
## math

a group of people pays $720 for admission tickets to an amusement park the price of an adult ticket is $15, and a child ticket is $8. there are 25 more adults than children. how many children are in the group?

*asked on October 20, 2013* -
## algebra 1

Given any random, 3-digit number, what is the probability that a number will be: a) a multiple of 5 b) divisible by 2 c) a square number i know the answer but i don't know how to solve it

*asked on January 18, 2013* -
## Chemistry

A solution is made by dissolving 32g KCIO3 in 100g H20 at 80C. The solution is cooled to 10C. Describe what you would observe as it cooled and state what temperature this first occurs at. What mass of crystals would settle out of the solution?

*asked on June 18, 2016* -
## FINAN & QUANTITATIVE LITERACY

You currently drive 288 miles per week in a car that gets 24 miles per gallon of gas. You are considering buying a new fuel-efficient car for $15,000 (after trade-in on your current car) that gets 48 miles per gallon. Insurance premiums for the new and old

*asked on December 13, 2015* -
## physics

A golfer takes 2 putts to get his ball into the first hole once he is on the green. The first putt displaces the ball 8.9 m east, and the second 8.32 m south. What displacement woud have been needed to get the ball into the hole on the first putt? Answer

*asked on June 23, 2011* -
## algebra2

in the chess club, the ratio of boys to girls is 6:5.there are three more boys than girls in the club. how many members are in the club?

*asked on October 12, 2010* -
## Chemistry

10. Write out the precipitation reaction formulas: NaOH(aq)+MgCl2(aq)> a. Complete ionic reaction: b. Net ionic reaction: c. Molecular reaction: *Please could some explain step by step why and how you solve this problem I do not understand at all . Thanks

*asked on March 3, 2018* -
## FINAN & QUANTITATIVE LITERACY

Your current cell phone company charges $30 per month for unlimited minutes. Another company charges $20 per month for the first 500 minutes plus 5¢ a minute for any additional minutes. Should you keep your current service or switch to the other company?

*asked on December 13, 2015* -
## Math

The area of a square is 36 square feet. If each side is lengthened by 4 feet, how could the perimeter of the new square be calculated? A. Divide 36 by 4 to get 9. Then add 4 to 9 to get 13 and multiply this by 4 to get the new perimeter. B. Divide 36 by 4

*asked on February 18, 2014* -
## physics

A disgruntled physics student,frustrated with finals,releases his tensions by bombarding the adjacent building,17.7 m away with water balloons. He fires one at 38 degrees from the horizontal with an initial speed of 27.1 m/s. The acceleration of gravity is

*asked on June 23, 2011* -
## physics

When I sing into a microphone, suppose I produce a sound intensity level (SIL) of 40 dB. If you can sing at 60 dB, what is the ratio of our produced sound intensities (yours divided by mine)?

*asked on April 1, 2010* -
## physics

A 12 kg mass on a horizontal friction-free air track is accelerated by a string attached to a 100 kg mass hanging vertically from a pulley as shown. Compare the accelerations when the masses are interchanged, that is, for the case where the 100 kg mass

*asked on June 3, 2007* -
## Math

The 6th term of an arithmetic sequence is 3 times the 2nd term. Prove that the 10th term is twice the 5th term. tn=t1+(n-1)d

*asked on September 10, 2015* -
## Physics

If the time (up and down) the ball remains in the air is 2.14 s, find its speed when it caught. The acceleration of gravity is 9.8 m/s^2 . Neglect air resistance. Answer in units of m/s If the time the ball remains in the air is 2.27 s, find the maximum

*asked on June 28, 2015* -
## algebra 1

who is correct and why? chloe jonas 3

*asked on December 17, 2012* -
## Geography

You need to open a new clothing factory to keep up with the demand for your clothing in the United States. You have looked into building the factory in Trinidad and Tobago. Would your factory likely be able to find enough workers? Explain your answer.

*asked on May 4, 2011* -
## science

When I sing into a microphone, suppose I produce a sound intensity level (SIL) of 40 dB. If you can sing at 60 dB, what is the ratio of our produced sound intensities (yours divided by mine)?

*asked on April 1, 2010* -
## physics

When point charges q1 = +8.9 μC and q2 = +7.6 μC are brought near each other, each experiences a repulsive force of magnitude 0.10 N. Determine the distance between the charges. I got 6.08 m

*asked on February 13, 2016* -
## Physics

A car, moving along a straight stretch of highway, begins to accelerate at 0.0442 m/s^2. It takes the car 30.8 s to cover 1 km. How fast was the car going when it first began to accelerate? Answer in units of m/s. I tried converting 30.8 km/sec to m/s then

*asked on June 28, 2015* -
## algebra 1

i need to make a math advertisement for one of the methods for solving systems of equations and i need a catchy slogan any ideas and a nice looking logo thnx

*asked on January 18, 2013* -
## algebra1

Sam rows up a river to camp in three hours.The next day he makes the return trip downstream in one hour. If he can row two mph in still water, how fast is the current? i don't understand this?

*asked on January 18, 2013* -
## Physics

A microscope is focused on a mark on a table. When the mark is calculated by a glass plate of 3.00cm thick,the microscope has to be raised 1.1cm from the mark to be once more in focus.calculate the refractive index of the glass.

*asked on April 10, 2013* -
## Business Finance

A corporation will pay an annual dividend of $0.65 one year from now. Analyst expects this dividend to grown 12.9% per year thereafter until the fifth year. After then, growth will level off at 1.9% per year. According to the dividend discount model what

*asked on December 19, 2012* -
## calculus

determine whether 9x-y+16 equals 13 49 y as a function of x

*asked on August 1, 2011* -
## trig

Suppose the tangent of an acute angle in a right triangle is less than 1. How does the side opposite the angle compare to the side adjacent to the angle?

*asked on March 5, 2011* -
## Math

A ladder is two feet longer than the height of a certain wall. When the top of the ladder is placed against the top of the wall, the distance from the base of the ladder to the bottom of the wall is equal to the height of the wall. How high is the wall?

*asked on November 30, 2010* -
## algebra2

the ratio of the length to the width of a rectangle is 5:4. the perimeter of the rectangle is 72 inches. what are the dimensions of the rectangle? i got 40 and 32, am i right?

*asked on October 12, 2010* -
## science

A uniform force of 30N acts on a mass 2.5kg initially at rest for 5seconds then it withdrawn and a retarding force F now acted on the mass in the direction of the motion to reduce its velocity to 12 m/s.( calculate the momentum of mass before the retarding

*asked on November 12, 2017* -
## math

Naomi was at her house.She saw a tree.How tall is it?

*asked on May 10, 2017* -
## Calculus

Use cylindrical shells to find the volume formed by rotating the region in the first quadrant enclosed by: y=1.2-1.4|x-12| and y=0 about the y-axis

*asked on May 3, 2017* -
## Chemistry

Say there is a diluted solution and we need to find the final concentration of it, using the equation M1V1 = M2V2. Does this method change, if the compound (concentration that we're trying to find), is in a solution that has already reacted with another

*asked on January 28, 2017* -
## Math

How can I insert 4 arithmetic means between √2 and 12/√2? How do I incorporate fractions and roots into sequences?

*asked on September 10, 2015* -
## math

a mother wants to invest 5000 for her sons future education. She invests a portion of the money in a bank certificate of deposit which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is $300.00,how

*asked on August 23, 2015* -
## Accointing , Economics and Life Science

I was wanting to find out that with the subjects l got what type of career could l have

*asked on February 21, 2014* -
## Calculus

g(t) = 1/(t^5 + 1)^2 g'(t)

*asked on February 23, 2013* -
## social studies

briefly describe the important events of the cultures's past for new england usa

*asked on December 20, 2012* -
## physics

What magnitude is not possible when a vector of magnitude 3 is added to a vector of magnitude 4? choices: a.7 b.0 c.3 d.1 e. 5 I don't think its a. or d.

*asked on June 14, 2011* -
## math

I have eleven fruitrollups. I have twenty two students including me. Each student wants a piece, what are three ways I can divide it fairly?

*asked on April 12, 2011* -
## physics

A car has an acceleration of 2 m/s2, what does this tell you about the velocity of the car . Explain what is meant by an acceleration of -2 m/s2.

*asked on January 9, 2011* -
## 8th grade

can u simpilify 24 radical 152?

*asked on November 17, 2010* -
## algebra2

the basketball team has played 21 games. the ratio of win to loses is 5:2. how many games has the team won?

*asked on October 12, 2010* -
## math

How do you find the perimeter of a square with all sides equal 15 inches?

*asked on April 15, 2010* -
## physics

A moto of a crane is lifting a 100 kg load 20m high using 25 kj of electrical energy. calculate the efficiency

*asked on January 30, 2009* -
## Algebra

-(2x^2y)(-xy^4) (-2r/s)(s^2/-6t)

*asked on September 3, 2007* -
## physics

So does Copper and Copper 64 have the same atomic structure? with 29 protons and electrons and 35 nuetrons? All copper isotopes have the same electron structure, that is why they all chemically react the same.

*asked on February 21, 2007* -
## physics again

and if they are the same (refer to the question before by me - copper and copper 64 being the same thing?)is it a radioactive isotope? thanks That was part of my previous answer. Yes, Cu-64 is radioactive. You need a handbook or table of radionuclides to

*asked on February 20, 2007* -
## physics

Is copper (Cu) the same as copper64 (Cu64)? Cu64 is a radioactive isotope of copper. Its half life is 12.8 hours. During the few days it is around, it behaves chemically like any other copper isotope, but eventually it all turns into something else. The

*asked on February 20, 2007* -
## Chemistry

14. Using the equation of q = nCΔT determine the amount of energy required to raise the temperature of 24g of water 80ᵒC, with a heat capacity of 75.3 J/(mol*ᵒC )

*asked on March 2, 2018* -
## Cultural Anthro

Contemporary anthropologists: 1 study global conflict to better understand effective conflict resolution solutions. 2 never would work to promote effective peace-keeping solutions because of their aversion to social interference. 3 only study foraging and

*asked on December 12, 2017* -
## Math

Given that I take a piece of paper and cut it in half and then in half again. If the paper originally had an area of 187/2 in^2.What is the area of my new paper?

*asked on October 18, 2017* -
## Calculus

Use washers to find the volume formed by rotating the region enclosed by: y=1.4−2|x−13| and y=0 about the y-axis

*asked on May 3, 2017* -
## maths equation too hard

x^3=3^x plz help me what is the solution yes i know x=3 but how?

*asked on February 8, 2017* -
## maths equation too hard

x^3=3^x what is x plz show step

*asked on February 8, 2017* -
## sequence help plz

5+11+17+23 +... Find the sum of the 2n term of the series plz help me show step

*asked on January 31, 2017* -
## physics

A car starts from rest is uniformly accelerated at 0.1m/s square untill it reaches a speed of 15m/sec square. It travels at this speed for 3mins and it returns uniformly retarded so as it come to rest 8mins after starting.plot the velocity time graph of

*asked on January 18, 2017* -
## physics

A particle is projected with a speed of 39.2m/sec at an elevation of 30degrees.find its greatest height.

*asked on January 18, 2017* -
## Geometry

Krista was vacationing in the jungle and wanted to ride a zip line. The platform was 173ft above the ground. The angle of elevation of the zip line was 40 degrees from the ground. Approx. How long was her ride down the zip line?

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

Arsenic acid has the formula H^3AsO^4. It is a triprotic acid. Abottle is marked 0.422 N arsenic acid. What is the Molarity of this solution?

*asked on April 27, 2013* -
## Physics

A microscope is focused on a mark on a table. When the mark is calculated by a glass plate of 3.00cm thick,the microscope has to be raised 1.1cm from the mark to be once more in focus.calculate the refractive index of the glass.

*asked on April 10, 2013* -
## reading

the perspective on rosa parks, the bus driver, or another passenger (black,or white} i have to create possible titles, and important points to include in the essay.

*asked on February 15, 2013*

## Pages

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