# crystal

Newest questions and responses by crystal-
## English

Which of the following phrases would be reworded by paraphrasing? Select one: a. religious tolerance b. federal government c. drunk-driving charges d. plethora of beings

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

Haden wants to cover a floor with square tiles the same size the floor measures 315 inches by 108 inches of she uses only whole tiles,find the greatest possible length of each tile;

*asked on November 13, 2018* -
## Social Studies

I need help writing a poem about the encounter between the Europeans and the Taino. It needs to describes the initial meeting between Columbus’s crew and the Taino natives from both perspectives. I am awful at writing poems, anyone willing to help me

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

The circumference of a circle, divided by its radius equals A. pi/2 B. pi C. 3pi/2 D. 2pi I got D, is that correct?

*asked on August 10, 2018* -
## social studies

Plage could be found in all of these areas except: A. China B. Cuba C. Chile D. France

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

mike can complete a project in 60 minutes, and if mike and walter both work on the project, they can complete it in 40 minutes. how long will it take walter to complete the project by himself?

*asked on July 26, 2018* -
## math

Out of a pool of 234 people with lottery tickets, 120 of them are women, and out of those 120, 65 are older than 23, and out of those 65, 12 are married. What is the probability that the lottery winner will be a married woman older than 25? A. 2/39 B.

*asked on July 20, 2018* -
## english

Anyone Familiar With The Story/Play The Merchant Of Venice By William Shakespeare Please Check My Answers Thank You. 1. which of the following elements of comedy are not used by Shakespeare in the merchant of venice? a.a clown like character b. puns

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

I need help with concision on these sentences. . So long as states are not bound by a national curriculum and standards, students will not receive the same quality of education across the United States. 4. Critical-care nursing is stressful due to the fact

*asked on May 4, 2018* -
## miles

the Boggs family paid 49.75 for their car rental. how many miles did they drive? (p.s. it is based off the same question I sent before it)

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

a rental car company charges a fixed fee of 30$ plus $0.05 per mile. let c represent the total cost of renting a car and driving it m miles. Write a equation that could be used to find the total cost of renting a car and driving it any number of miles.

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

A librarian is expanding some sections of the city library. He buys books at a special price from a dealer who charges one price for any hardback book and another price for any paperback book. For the children's section, Mr. Shah purchased 31 new hardcover

*asked on March 12, 2018* -
## Quadratics

So there's a right angled triangle and it has another small triangle on the top and the right side is 10cm long (including the side of the small triangle). 10-x is bc. I know the base is 3+2xcm. [bc] is the same as [be]. [cd] is 3 cm more than twice the

*asked on August 20, 2017* -
## Geometry

To the nearest tenth, find the perimeter of ΔABC with vertices A(2,4), B(-2,1) and C(2,1). Show your work.

*asked on July 3, 2017* -
## Math- PLEASE HELP. I DONT UNDERSTAND THIS QUESTION

What is the formula for base, b, of a triangle if the area is A and the height is h?

*asked on April 24, 2017* -
## science

A bus starts from rest and attains 40km/hr velocity after 10sec . Calculate the acceleration of bus in m/sec2

*asked on April 13, 2017* -
## Science

Identify the following types of tissue as connective, muscle, nerve, or ephithelial: A. Tendon - Muscle B. Sciatic Nerve- Nerve C. Fat - ? D. Blood Vessel - Nerve E. Skin - Ephithelial F. Ligament - ? G. Bone - ? H. Muscle - Muscle ( I got them all except

*asked on April 2, 2017* -
## Science

Identify the following types of tissue as connective, muscle, nerve, or ephithelial: A. Tendon - Muscle B. Sciatic Nerve- Nerve C. Fat - ? D. Blood Vessel - Nerve E. Skin - Ephithelial F. Ligament - ? G. Bone - ? H. Muscle - Muscle ( I got them all except

*asked on April 1, 2017* -
## Math- PLEASE HELP!! I DONT GET THIS QUESTION!!

Molly bought two sweaters for $30 each and three pair of pants for $25 each. She had a 20% off coupon for her entire purchase. Model and write an expression for the amount of money Molly spent. State your answer in a complete sentence.

*asked on March 28, 2017* -
## Spanish

How do you say and conjugate the word "make" in Spanish?

*asked on March 16, 2017* -
## Plate tectonics

Explain how earthquake sizes are connected to the three types of plate boundaries

*asked on March 14, 2017* -
## chemistry

Calculate the pH values and draw the titration curve for the titration of 500 mL of 0.010 M acetic acid (pKa 4.76) with 0.010 MKOH. Calculate the pH of the solution after 490 mL of the titrant have been added. Calculate the pH of the solution after 500 mL

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

Martha read 1/6 of her book on Saturday and 5/12 of her book on Sunday how many more pages do she have to read

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

Marsha has $60.00 . 2/3 of marsha's money is equal to 1/2 of Joanne's money .how much money does Joanne have ?

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

At the beginning of soccer practice a water cooler contained 5 gallons of water. At the end of practice the water cooler is only 1/4 full. How many gallons of water are in the cooler at the end of practice? Explain

*asked on January 22, 2017* -
## math 1025

find the interest. round to the nearest cent $290 at 8.8% for 3 months

*asked on December 9, 2016* -
## chemistry

2C2H6 + 7O2 --> 4CO2 + 6H20 given 7.5 X 10 to the 3rd of C2H6 how many grams of CO2 is emitted the 7.5 x 10 to the third is 7500 what do i do to figure out the rest

*asked on December 3, 2016* -
## Chemistry

Phthalic acid, H2C8H404, is a diprotic acid used in the synthesis of phenolphthalein indicator. Ka1= 1.2x 10^-3, and Ka2 = 3.9 x 10^-6. a) Calculate the hydrongen-ion concentration of a .015 M solution. b) What is the concentration of the C8H4O4^2- ion in

*asked on November 30, 2016* -
## Math

A recipe for 2 1/2 dozen cookies calls for 1 7/8 cups of flour. How many cups of flour are needed to make 1 1/3 dozen cookies?

*asked on November 19, 2016* -
## 7th grade math

A plumber has a very long piece of pipe that is used to run city water parallel to a major roadway. The pipe is cut into two sections. One section is 12 ft. shorter than the other. If 34 of the length of the shorter pipe is 120 ft., how long is the longer

*asked on November 6, 2016* -
## Maths

Find the Amount when... P=1000 N=2 1/2 years R=10% Compounded half yearly

*asked on October 5, 2016* -
## Algebra

The perimeter of a rectangle is 80 in. The length is 6 inches more than the width. What are the dimensions of the rectangle

*asked on September 25, 2016* -
## Physics

A student travels 300m towards North and then 400m towards East to reach his school. Calculate the distance of his school from his home.

*asked on August 30, 2016* -
## Riddle

I have two bodies, joined as one; Watch this trick: Ill flip, stand still, and run. What am I?

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

What means the samethings as 12ten and 17 ones

*asked on August 16, 2016* -
## math

Mdm Lee gave Nathan and Jasper some money on Friday.On Saturday,Nathan gave 1/3 of the amount he had to Jasper.On Sunday,Jasper gave 1/3 of the amount he had to Nathan.In the end,Nathan had $96 and Jasper had $120.How much did each of them have at first?

*asked on May 4, 2016* -
## stat

** I already finish these questions Can you answer so I can compare my final answers w/ yours.** Suppose that a principal of a local high school tracks the number of minutes his students spend texting on a given school day. He finds that the distribution

*asked on April 22, 2016* -
## algerbra

The function h = -t2 + 95 models the path of a ball thrown by a boy where h represents height, in feet, and t represents the time, in seconds, that the ball is in the air. Assuming the boy lives at sea level where h = 0 ft, which is a likely place the boy

*asked on April 11, 2016* -
## Algebra

a spinner used for a game is divided into sections: yellow, green, and orange. Janie spins the spinner 20 times. The spinner lands on green 8 times. What is the experimental probability that the spinner does not land on green?

*asked on March 21, 2016* -
## Trig sum please help

Write the augmented matrix, and then solve the system, using Gauss Jordan elimination on the augmented matrix. x + 2y - z = 4 -2x + y - 4z = -6 4x - 3y + 2z = -10

*asked on March 7, 2016* -
## Evaluate sum please help

Evaluate the sum ∑3 =0 (-1)k × 2k-1/2k-1 6

*asked on March 7, 2016* -
## trigonometry

A plane flies due south from an airport for 92 miles, and then turns and goes S63°W for 50 miles. How far is the plane from the airport (to the nearest tenth of a mile)? What direction is the plane from the airport (to the nearest tenth of a degree)?

*asked on March 7, 2016* -
## Math

A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work. Sn: 2 + 5 + 8 + . . . + ( 3n - 1) = n(1 + 3n)/2

*asked on March 4, 2016* -
## Math

Interest is a concept familiar to most people: every credit card in existence has a term called annual percentage rate (APR), which is an interest rate. Suppose you charged $1,000 to a credit card that has a minimum payment each month equal to the interest

*asked on February 8, 2016* -
## finite

You select 9 cards randomly from a deck of 52 cards. What is the probability that all of the cards selected are face cards (i.e. jacks, queens, or kings)?

*asked on February 4, 2016* -
## Typo (Test Marked)

Okay i had a typo i for got to add stars..i had emojis next to it that didn't show up What number is 73% of 215? (1 point) 215 = 0.73n n = 0.73 × 215 * 0.73 = n × 215 215 = 73n 2. What percent of 94 is 23? (1 point) n/94 = 23/100 23/94 = n/100 * 94/n =

*asked on January 6, 2016* -
## Math

If a bag contains 12 apples, 4 bananas, and 8 oranges, what is the part to whole ratio of bananas?

*asked on December 10, 2015* -
## 6 th grade SS

Can you check my answer What do you think the political and economic future of Cyprus will be like? The future of Cyprus will be a future governed by a new and different governmental and political structure. Like focusing on the economy instead of the

*asked on December 2, 2015* -
## math

Determine whether the sequence is a Fibonacci-type sequence. If it is, determine the next two terms of the sequence. -4, 5, 1, -3, -2

*asked on November 24, 2015* -
## Physics

So this is the problem: A comet is in an elliptical orbit around our Sun. At its point of closest approach, it is moving at 6.3x10^4 m/s and is 4.2x10^10m away from the sun. When it is at the farthest distance, 7.5x10^12m away, how fast is it going? This

*asked on November 4, 2015* -
## Math

Trina works after school and on weekends. She always works three days each week. This week she worked 2 3/4 hrs on Monday. 3 3/5 hrs on Friday and 5 1/2 hrs on Saturday. Next week she plans to work the same number of hrs as this week but will work the same

*asked on October 28, 2015* -
## pre-cal

find the value of K such that (x+1) is a factor of x^3-kx^2+x+5

*asked on October 13, 2015* -
## pre-cal

find the constant c such that the denominator will divide evenly into the numerator x^4+10x^2+c/x+i

*asked on October 13, 2015* -
## pre-cal

Write a polynomial equation with integral coefficients that has 1/2 and 2i as solutions

*asked on October 6, 2015* -
## PHYSICS

While following the directions on a treasure map, a pirate walks 25.2 m north, then turns and walks 4.4 m east. What is the magnitude of the single straight-line displacement that the pirate could have taken to reach the treasure? Answer in units of m.

*asked on September 16, 2015* -
## math

hi im 33 years old and i have decided to go back and get my ged i don't understand order of operations (3+6).(5+4)divided by 3-7 i just started my ged classes lastnight can you help me ?

*asked on September 2, 2015* -
## 6th grade math

Please explain: Ursula wrote the sum of 5.815 + 6.021 as a sum of two mixed numbers. What sum did she write? Compare the sum of the mixed numbers to the sum of the decimals? Please explain.

*asked on September 1, 2015* -
## Math

Hi(-: A newspaper editor wants to know whether people who buy the newspaper like the paper’s new format. He prints an alphabetical list of all the employee names and asks every fifth person on the list. Is the sample likely to be biased or unbiased?

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

A bicycle tire is 82 inches across and has a diameter of 26 inches.

*asked on April 16, 2015* -
## 6th grade math

2 line segments intersect to form an angle that has a measure of 50.7 degrees. What is the measure in degrees of an angle that is supplementary to this angle?

*asked on April 16, 2015* -
## math

Michael ate 1/4 of a pizza and his brother ate 3/8 of the same pizza . How much of the pizza was left?

*asked on March 23, 2015* -
## HIS202

During the latter part of the 19th century, Republicans were particularly strong in the _____ states?

*asked on March 11, 2015* -
## chemistry

Predict if a precipitate will form when 20.00 mL of the 50% saturated solution is mixed with 20.00 mL of 0.0100M of the following solutions.? the saturated solution is : BaCO3, it has the Ksp of 5.1 x 10^-9 the solubility is 7.1 x 10^-5 M. I don't know how

*asked on February 17, 2015* -
## math

Brown earns a dollar for every candy he sells. If he sells 30 candies, how much will he earn? Please show me the work.

*asked on February 11, 2015* -
## US History

Which of the following 19th century developments most undermined the racial philosophy John C. Calhoun Outlined in the excerpt from his 1848 Senate speech? A The establishment of the Ku Klux Klan B The enforcement of the black codes C. The suspension of

*asked on January 28, 2015* -
## Physics

A runner moving at a speed of 7.7 m/s rounds a bend with a radius of 21 m. What is the centripetal acceleration of the runner? My teacher doesn't explain anything very well and I don't understand how to figure it out.

*asked on November 5, 2014* -
## math

A biker traveling with a velocity of 80 feet per second leaves a 100 foot platform and is projected directly upward. The function modeling the projectile motion of the biker is s(t)=-16t^2+80t+100,where s(t) is the height and t is the number of seconds the

*asked on October 30, 2014* -
## 2nd grade math

It is greater than 43 and less than 52. If you add the digits, the sum is 8. Write the number word

*asked on October 16, 2014* -
## math/ unit rates

A fertilizer covers 5/8 square foot in 1/4 hour.

*asked on September 28, 2014* -
## math/ unit rates

A garden snail moves 1/6 foot in 1/3 hour

*asked on September 28, 2014* -
## math/ unit rates

Kenny reads 5/8 page in 2/3 minute

*asked on September 28, 2014* -
## unit rates

Julio walks 3 1/2 miles in 1 1/4 hours

*asked on September 28, 2014* -
## Algebra II Honors

There are some interesting special cases in which the graphs turn out to be parallel, perpendicular, or coincident with the coordinate planes or axes. Sketch a graph of each of the following equations by drawing their traces as in Problem 1. Then tell what

*asked on September 25, 2014* -
## Accounting

Dr. Rees: Ruth, good to see you again. Why didn’t you call me when you were in Denver? We could have had dinner together. Dr. Turner: Actually, I never made it to Denver this year. My husband and kids went up to our Vail condo twice, but I got stuck in

*asked on September 14, 2014* -
## Maths

Alison discovered that she had spent 2/5 of her money, leaving her with £21. What amount of money did she originally possesses?

*asked on May 12, 2014* -
## managerial economics

An article in Business Week reported the discovery of a new processing technology that makes it economically feasible to turn natural gas into liquid petroleum that yields superclean gasoline, diesel fuel, or any other product derived from crude oil. This

*asked on April 1, 2014* -
## History 12

What does lenin have to do with Tsarism, World War 1, March revolution and the provisional government, November Revolution, the civil war, War Communism, national Economic Policy, Trotsky, Stalin, and the Comintern?

*asked on March 14, 2014* -
## Math

Loon lake has a "killer plant" problem similar to Ghost Lake. Currently, 5000 square feet of the lake is covered with the plant, The area covered is growing by a factor of 1.5 each year. Complete the table to show area covered by the plant for the next 5

*asked on March 10, 2014* -
## Math

Tressa's closet is 5 feet long, 4 feet wide, and 7 feet high. What is the volume of Tressa's closet. A. 140 feet B. 140 square feet C. 140 cubic feet

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

a 50 kg object moving at 12 m/s has a momentum of 600 kg times g m/s . what is the mass of an object moving at 4 m/s that has the same momentum?

*asked on February 15, 2014* -
## physical

what is the size and direction of the final velocity of the two cars when a 0.4 kg toy train car moving forward at 3 m/s collides with and sticks to a 0.8 kg toy car that is traveling the opposite direction of -2 m/s

*asked on February 15, 2014* -
## Chemistry

Magnesium metal reacts with phosphoric acid to produce hydrogen gas. If 50 g of phosphoric acid is used, how much magnesium metal is needed? How much hydrogen gas is produced?

*asked on February 5, 2014* -
## Statistcal Analysis

I need some help with figuring out the ratio-to-moving average. Can someone help me? Here's the problem: Sales of roof material, by quarter, since 1994 for Carolina Home Construction, Inc. are shown below (in $000): Quarter Year I II III IV 1994 210 180 60

*asked on January 25, 2014* -
## Math

A ball pit contains 10 yellow balls and 14 green balls. What is the probability of randomly picking 3 green balls (replacing them), from the pit? 3/24

*asked on January 15, 2014* -
## Math

104 students responses 21 liked sledding as their favorite winter activity if 500 people had. Responded, how many would have been expected to list sledding as their favorite winter activity? Round to the nearest whole person

*asked on January 15, 2014* -
## statistics

I really need help with my statistical analysis... i cant understand it. Here are the questions A sample group was surveyed to determine which of two brands of soap was preferred. H0 :p = 0.50; H1: p is not equal to 0.50. Thirty-eight of 60 people

*asked on December 27, 2013* -
## Math

How much must be invested to have 25,000.00 after 5 years in an account drawing 7% interest compounded continuously?

*asked on December 9, 2013* -
## statistics

I have just a couple questions I have trouble understanding... can someone please help me? The data below indicate the rankings of a set of employees according to class theory and on-the-job practice evaluations: Theory 1 7 2 10 4 8 5 3 6 9 Practice 2 8 1

*asked on December 4, 2013* -
## Physics

A soccer ball iskicked with an intial horizontal speed of 6 m/s and initial vertical speed of 3.5 m/s. Assume that the projection and landing height are the same, and neglect air resistance. Calculate the following a) the ball's projection speed and angle

*asked on November 8, 2013* -
## math

Charlie has agreed to mow his neighbor’s lawn each week and will baby-sit some hours. If he makes $100 or more each week, his parents will charge him rent. How many hours should Charlie agree to baby-sit each week to avoid paying rent?

*asked on October 5, 2013* -
## Math

In 1990, the population of Cheyenne, Wyoming, was 73,142. By 2000, the population had increased to 81,607. Write and solve an equation to find, the increase in Cheyenne’s population from 1990 to 2000. Mercury’s surface temperature has a range of 600

*asked on September 20, 2013* -
## math

The pressure on a scuba diver at sea level is 14.7 pounds per sq inch (psi). The pressure increases 0.445 psi for each foot of depth. Suppose the pressure on a diver is 41.4 psi. How deep is she?

*asked on September 12, 2013* -
## math

25/5 - (-4)*2 / 9

*asked on September 5, 2013* -
## Math

how did farmer john find his missing cow? How did the cow get over the block of hay?

*asked on August 29, 2013* -
## math

You are hosting a cookout for 24 people and are supplying the main dishes and several sides. You must take a trip to the grocery store in order to purchase all of the items you need. You know that hotdogs are $1.50 per package and there are 8 hotdogs in

*asked on August 25, 2013* -
## Psychology- Assessments

In comparison to the ______________ model, the _____________ model assesses the complexities of learning disabilities better than a one-step process where an individuals is tested once and diagnosed. a. discrepancy; Response to Intervention b. Response to

*asked on August 23, 2013* -
## Psychology-Assesment

According to Cattell, a person trying to solve an entirely new kind of problem is using his or her__________, whereas a person working on a task that he or she knows well is using his or her ________ a. general ability, specific ability b. intelligence B,

*asked on August 23, 2013* -
## psychology- assessments

The fact that online instruments may not be available to individuals who do not have access to computers and/or the Internet raises concerns about the _________ of online assessments. a. content b. scoring c.norming groups d. interpretation

*asked on August 23, 2013* -
## Statistic/Psychology

Joe had a score of 72 on the Counseling Aptitude Scale, and the standard error of measurement of the scale is 3. Where would we expect Tom's true score to fall 99.5 percent of the time? a.71 to 73 b. 69 to 75 c. 66 to 78 d. 63 to 81

*asked on July 27, 2013* -
## statistic/Psychology

According to classical test theory if the observed variance of a test is 50 and the true variance is 40 what is the estimated reliability of the test? a. 0.40 b. 0.50 c.0.80 d. 0.90

*asked on July 27, 2013*