# Alicia

Newest questions and responses by Alicia-
## math

The radius of a spherical ball is measured at r = 50 cm. Estimate the maximum error in the volume and surface area if r is accurate to within 0.1 cm. (Round your answers to three decimal places.)

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

12 1/9 + 10 2/3

*asked on October 1, 2018* -
## biology

Identify and explain examples of monomers and polymers in carbohydrates, proteins, and nucleic acids.

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

There is a school of 850 pupils 3/5 of them are girls how many girls are there

*asked on June 19, 2018* -
## Physics

spring with a force constant of 111 Nm is attached to the ceiling. When an unknown mass is attached it pulls the spring down 0.340m to its equilibrium position. The mass is then pulled 9cm below its equilibrium position and oscillations back and forth.

*asked on April 15, 2018* -
## Algebra

8. A balance of $5,500.00 principal earns 3% interest, compounded annually. After 5 years, what is the balance in the account? 9. A car costs $25,000 and depreciates in value by 15% each year. How much will the tractor be worth after 4 years?

*asked on March 26, 2018* -
## Math

For the discrete random variable X, the probability distribution is given by P(X=x)= kx x=1,2,3,4,5 =k(10-x) x=6,7,8,9 Find the value of the constant k E(X) I am lost , it is the bonus question in my homework on random variables so it must be hard. Many

*asked on March 18, 2018* -
## Algebra

Suppose that the x-intercepts of the graph of y=f(x) are -8 and 1. What are the x-intercepts of the graph of y=f(x+4)?

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

In “who knows if the moon’s,” the speaker imagines traveling somewhere. Where does he imagine traveling? to Earth from the moon to a nearby garden to the moon from Earth to a city in the sky thx

*asked on February 21, 2018* -
## help

Draw and use a tape diagram to model and solve the problem below. In a soccer league, the ratio of boys to girls is 4 to 6. There are a total of 50 players in the soccer league. Determine how many girls play in the soccer league. A. 10 B. 20 C. 50 D. 30

*asked on February 20, 2018* -
## 6th grade Math

If x = 2.5, 5x = ____. (Only input decimals such as 12.7 as the answer.) Answer for Blank 1:

*asked on May 23, 2017* -
## 6th grade Math

Zoya asked the students of her class their baseball scores and recorded the scores in the table shown below: Baseball Scores Score Number of Students 0 1 1 2 2 5 3 3 4 6 5 7 6 9 Based on the table, what is the mean baseball score? 2.5 2.9 3.5****** 4.1

*asked on May 23, 2017* -
## Math

18. Kim deposited $1422 in a savings account. How much would she have in the account after 5 years at an annual simple interest rate of 3%.

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

In 2010 there were 2575 students at ECC. In 2013 there were 3090 students. For the units use student increase or student decrease, rounded to the nearest whole, and percent increase or percent decrease, rounded to the nearest 10th, in the answer boxes

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

For the first tour on Monday, a museum sells 4 child tickets and 8 adult tickets for $128. For the second tour the museum sells 6 adult tickets for $72. Find the price of one child ticket and the price of one adult ticket

*asked on December 18, 2016* -
## Physics

A 30 kg child sits in a swing supported by two chains, each 1.4 m long. (a) If the tension in each chain at the lowest point is 265 N, find the child’s speed at the lowest point. (Neglect the mass of the seat.) Answer in units of m/s. (b) Find the force

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

A pendulum clock has a pendulum shaft made of aluminum which has a coefficient of linear expansion of 24.0*10^-6K^-1. At 22 degrees celsius the period of the swing of the pendulum is 1.00seconds. If the temperature is reduced is reduced by 0.625°C every

*asked on November 27, 2016* -
## history

What was the significance of the Supreme Court's ruling in the Marbury vs. Madison case? The ruling determined that Congress could act against the president if it wished. The ruling determined that the Supreme Court was more powerful than the president.***

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

I need two 12x23 feet of carpet for my basement at $6.00 per square foot. How much will this cost?

*asked on October 26, 2016* -
## ENGLISH

What is the infinitive phrase in the following sentences? Tell whether it is used as a noun, adj, or adverb. 1. Early Bostonians STAGED THE BOSTON TEA PARTY TO PROTEST TAXATION WITHOUT REPRESENTATION. 2. TO PROTECT THEIR COMFORTABLE POSITION, Louis XVI and

*asked on October 5, 2016* -
## Pre Calc

Use a graphing utility to graph the function and approximate (to two decimal places) any relative minima or maxima. (If an answer does not exist, enter DNE.) f(x) = −x2 + 9x − 8

*asked on September 4, 2016* -
## Chemistry

What volume of 0.123M NaOH contains 0.025 moles of NaOH?

*asked on August 13, 2016* -
## geometry

Robin is looking up at a 89degree angle to the top of the stratosphere in Las Vegas, which is 1149ft tall. how far away is Robin form the base of the tower? round to the nearest hundredth

*asked on July 7, 2016* -
## Career

What are goal-related activities?

*asked on July 1, 2016* -
## Temperature(Math)

At 1:00 pm the temp is 72 deg, the temp went down to 52 deg at 6:30, what is the temp at 4:00pm?

*asked on June 3, 2016* -
## Language arts 8B

the poem It shall flash through coming ages, It shall light the distant years; And eyes now dim with sorrow Shall be brighter through their tears. It Shall flush the mountain ranges, And the valleys shall grow bright; It shall bathe the hills in radiance,

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

At a concert there are 3 times as many women as men. 3/5 of the men and 1/3 of the women wear glasses. There are 120 more women wearing glasses than men wearing glasses .How many people are at the concert?

*asked on April 29, 2016* -
## math

The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.

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

Describe how you would make a 125 mL of 0.025 M solution of potassium dichromate?

*asked on April 3, 2016* -
## Math

billys bike has wheels of diameter 70 cm he invented a counter for his bike which counts the number of revolutions the wheels make one day the county shows 350 revolutions how far has Billy cycled

*asked on March 20, 2016* -
## algebra

a class recorded the number of movies that each student watched during the summer. draw a histogram to accuratley display this data.

*asked on March 14, 2016* -
## MATH

can someone explain. 3(cos(X)-1)=-1 thanks

*asked on February 22, 2016* -
## science

Can you predict the force needed to stretch the rubber band to 40.0cm?why or why not

*asked on January 31, 2016* -
## Math

If rosario noticed that the distance from the pole in the center of the tetherball circle to the painted circle was about six feet. Then what was the radius of the tetherball

*asked on December 3, 2015* -
## Chemistry

What is the chemical formula for coconut oil?

*asked on November 21, 2015* -
## Algebra

Evaluate the polynomial 6x - y for x = - 3 and y = 2. A. 15 B. –20 C. 4 D. –16 I think it is b...am I right?

*asked on November 11, 2015* -
## Algebra

I'd like to know if I am right... A rectangular box is twice as long as it is wide. The height of the box is 3 feet less than the width. If the box is x feet wide, what polynomial represents its volume in cubic feet? A. 4x - 3 B. 2x^3 + 6x^2 C. 2x^2 - 6x

*asked on November 11, 2015* -
## Maths

How would you solve this in order to find t? 0.2t(t-5.1)(t-9.1)=2.4+0.75t I tried differentiating it, but I wasn't getting the answer I was supposed to

*asked on October 9, 2015* -
## maths

Function for runner one: s=0.2t(t-5.1)(t-9.1) Function for runner two:s=2.4+0.75t 's' is for displacement and 't' is for time (where one minute is t = 1) At the start of a race, runner one begins with a displacement of 0m. However, at the start of the same

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

Katie must take five exams in a math class. If her scores on the first four exams are 77, 79, 95, and 93, what score must Katie get on the fifth exam for her overall mean to be at least 80? The maximum score on an exam is 100 points. If it is not possible

*asked on October 3, 2015* -
## math

write an algebraic expression for 10 + q

*asked on September 21, 2015* -
## Math

What am I? I am a decimal fraction with three digits I am bigger than half of 6 I am smaller than double 2 All my digits are odd When you add my digits you get 15

*asked on August 31, 2015* -
## science

Is tundra abiotic or biotic

*asked on August 29, 2015* -
## Chemistry

How many liters of Carbon Dioxide are formed by burning 6011.0 grams of C3H7OH with excess of oxygen gas and is carried out at 20.00 degrees Celsius, and 1.150 atm of pressure. I know this needs PV=nRT but the burning and excess part is throwing me off.

*asked on August 15, 2015* -
## Math

Sorry I wasn't finished with the problem. Fijisawa Inc. is considering a major expansion of its product line and has estimated the following cash flows associated with such an expansion. The initial outlay would be $1,980,000, and the project would

*asked on June 15, 2015* -
## Math

Fijisawa Inc. is considering a major expansion of its product line and has estimated the following cash flows associated with such an expansion. The initial outlay would be $1,980,000, and the project would generate incremental free cash flows of $490,000

*asked on June 15, 2015* -
## Chemistry

A sample of krypton gas occupies 95.0 mL at 0.500 atm. If the temperature remained constant, what volume would the krypton occupy at (a) 5.00 atm, (b) 0.0500 atm, (c) 555 torr, (d) 5.00 torr, and (e) 5.5 3 1022 torr?

*asked on April 28, 2015* -
## Education

What is the most appropriate reason for having learning centers in the science classroom?

*asked on March 17, 2015* -
## Stats

A pill weighs 100 mg, 8/9 of the pill is active ingrediant, how many milligrams are in the part of the pill that is not the active ingrediant?

*asked on March 4, 2015* -
## physics

Why is blood pressure called excess pressure? Use the term true pressure. Thank you for your help!

*asked on February 25, 2015* -
## physics

Why do we measure blood pressure in mercury?

*asked on February 25, 2015* -
## Math

There are 10,000 lockers. One person opens all the lockers. The second person closes every 2 doors. The third person counts every three locker and does the opposite to the locker. (Open/close it.) The fourth person counts every fourth locker and does the

*asked on February 18, 2015* -
## Algebra 2

Find all of the zeros of each function 1. q(x)=2x^3-17x^2+90x-41 2.x^3-5x^2-7x+51 3.x^4-9x^3+24x^2-6x-40 Please show work!!! I want to learn how to do it.

*asked on January 17, 2015* -
## Algebra 2

Solve the system algebraically 2x^2-5y^2=1 x^2+5y^2=68 Please show work!!!

*asked on January 11, 2015* -
## Algebra 2

Find the equation for the parabola with the given vertex that passes through the given points. vertex (-4,2) point (-3,0) please show work!!!

*asked on January 11, 2015* -
## Social Studies

Sectionalism grew in the southern states due to A) an increase in federal regulations on southern industry. B) holidays established to celebrate national events. C) the South's economic dependency on slavery. D) a weakened sense of regional

*asked on December 19, 2014* -
## Algebra 2

solve 200(1+8%/12)^12 Please show work!!!!

*asked on December 17, 2014* -
## 6th grade math

what is the reason why we have an order of operations? Explain and provide an example.

*asked on December 17, 2014* -
## Algebra 2

Use grouping to solve each of the following equations. 36x+2x^3-36-2x^2=0 Please show work I want to learn how to do it.

*asked on December 11, 2014* -
## Algebra 2

Find the real zeros of each polynomial f(x)=5x^3-40 Please show work I want to learn how to did it

*asked on December 11, 2014* -
## Algebra 2

Solve each polynomial equation. If a solution occurs more than once, state it's multiplicity. 4x^4-13^2+9=0 Please show work I need help

*asked on December 11, 2014* -
## Algebra 2

Solving Quadratic Systems x^2+y^2=20 x^2-6y=28 PLEASE SHOW WORK I'M HAVING TROUBLE SOLVING IT

*asked on December 1, 2014* -
## Algebra 2

Solving Quadratic Systems x^2+y^2=2 x^2-6y=10 Please show work I'm having trouble solving it

*asked on December 1, 2014* -
## physics

An unknown mass of a certain solid, initially at 60⁰C, is heated at a uniform at a uniform rate. After 4.0 min the solid reaches its melting point of 80⁰C, and it remains at that temperature for 3.0 min until completely melted. After a further 6.0 min

*asked on November 30, 2014* -
## Algebra 2

Solving Quadratic Systems 2x^2+5y^2=53 4x+y^2=17 Please show work I'm having trouble solving it.

*asked on November 29, 2014* -
## Algebra 2

Solving Quadratic Systems 16x^2-9y^2=144 y=9-x^2 Please show work I'm having trouble solving it.

*asked on November 29, 2014* -
## physics

how much ice at -10degree celsius is needed to cool .1 kg of ethyl alcohol and .1kg of water from 20 degree celcius to 5 degree celsius?

*asked on November 29, 2014* -
## Math

Louis paid $42 for a dozen magazines with her annual and subscription to her favorite sport magazine. What is the unit cost for each magazine?(How many magazines did she subscribe to) Please show work.

*asked on November 25, 2014* -
## Algebra 2

Solving Quadratic System y=4x+1 2x-y+1 Please show work!!!

*asked on November 21, 2014* -
## Algebra 2

Solving Quadratic Systems x+2y=4 3x-y=5 Please show work!!!

*asked on November 21, 2014* -
## Algebra 2

More About Complex Numbers Multiply (4+3i)(1-i) Please show work i need help

*asked on November 18, 2014* -
## Algebra 2

More About Complex Numbers Find the reciprocal. -1-i 2i

*asked on November 18, 2014* -
## Algebra 2

More About Complex Numbers Find the conjugate of each number. 1.)squ root of 3-7/8i 2.) 2-mi 3.) 6 Please show work I need help

*asked on November 18, 2014* -
## Algebra 2

More About Complex Numbers Multiply (4+3i)(1-i) Please show work i need help

*asked on November 18, 2014* -
## Algebra 2

More About Complex Numbers: Solve x and y 4x+5y+13i=7+(6x+5y)i Please show work because I had a hard time finding the answer

*asked on November 18, 2014* -
## Chemistry

A sample of oxygen at room temperature occupies a volume of 5.00x102 mL at 1.50 atm pressure. What pressure (in atm) must be applied to compress the gas to a volume of only 1.50x102 mL? Assume the temperature is constant.

*asked on November 18, 2014* -
## Law Studies

What rights does the Bill of Rights Protect?

*asked on November 13, 2014* -
## Algebra 2

Complete the Square Solve each equation x^2+8x+16=16/9 Show work i want to learn!!!

*asked on November 13, 2014* -
## Algebra 2

Solving By Factoring 2x(2x+1)=2 Please show work!!!

*asked on November 9, 2014* -
## Algebra 2

Solving By Factoring (x-8)(x-5)=x Please show work!!!!

*asked on November 8, 2014* -
## Algebra 2

solve each inequality or equation. Graph the solution. 5(absolute value 3w+2)-3>7 *Please show me the work

*asked on October 15, 2014* -
## Algebra 2

solve each system of equation 3x+5y+2z=4 2x-2y+3z=-4 x+y+z=0 *could you show work because I want to learn how you got this answer

*asked on October 11, 2014* -
## Algebra 2

Given a point (-2,5determine a point that satisfies the specified symmetry. 1. Origin (2,-5) 2. y-axis (2,5) 3. x-axis (-2,-5) 4. y=x ? Could you check if 1-3 is correct and could you help me on #4

*asked on September 22, 2014* -
## physics

What force exists between a positive charge of 2.6 x 10-6 C and a negative charge of 4.2 x 10-5 C if they are separated by 8 cm?

*asked on May 27, 2014* -
## Social Psychology

What attributes are inherent in persuasive messages?

*asked on May 12, 2014* -
## Strategies for Academic Success

Sean is taking an online course in Psychology, and is about to take a quiz over the lesson, “The Experimental Method”. He did poorly on his homework assignment and is struggling to remember the lesson content. What should Sean do before he takes the

*asked on May 2, 2014* -
## Strategies for Academic Success

What is "stage one" of a study session? Why is it so important?

*asked on May 2, 2014* -
## Strategies for Academic Success

What skill is "critical" to success in online learning?

*asked on May 2, 2014* -
## math

The sphere has surface area 2058 cm2. Its radius, to the nearest tenth, equals

*asked on May 1, 2014* -
## math

The radius of the earth is approximately 3950 miles. The radius of Jupiter is approximately 44,400 miles. Since the radius of Jupiter is more than 11 times that of the earth, which comes closest to the volume of Jupiter ?

*asked on May 1, 2014* -
## Geometry

Show that each conditional is dales by finding a counterexample. If an animal is a bird, then it is a penguin.

*asked on April 29, 2014* -
## Algebra

Ramona divided his 35,000 inheritance between two investments, one paying 9% and the other 12% simple interest. is total annual income on the interest alone was 3,000. How much did he invest at 9%?

*asked on April 21, 2014* -
## Geometry

a hemispherical bowl with radius 25cm contains water whose depth is 10cm. what is the water's surface area

*asked on March 31, 2014* -
## Geometry

I need help in this question!!! CD has an endpoint at (2,-1) and a midpoint at (8,3). which measure is closest to the length of CD? A. 20.4 units B. 8.4 units C. 14.4 units D. 11.7 units

*asked on March 26, 2014* -
## Geometry

CD has an endpoint at (2,-1)and a midpoint at (8,3). which measure is closest to the length of CD?

*asked on March 21, 2014* -
## introductory to physics

A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 4.0 m/s. The acceleration of gravity is 9.81 m/s 2 . What is the initial height of the bob? Answer in units of m

*asked on March 4, 2014* -
## Accounting

Suppose you want to have $5,000 saved at the end of five years. The bank will pay 2% interest on your money. How much would you have to deposit today to have the $5,000 you want at the end of five years?

*asked on February 4, 2014* -
## Math

Mariko has an 80 inches = 1 inch scale- drawing of the floor of her house. On the floor plan, the dimension of her rectangular living room are 1 7/8 inches by 2 1/2 inches. What is the area of her real living room in square feet?

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

A scale drawing of a rectangular field is 10 cm by 8.5 cm. if the actual field has dimensions of 40 meters by 34 meters, which could be the scale used for the drawing?

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

calculate the minimum concentration of ag+ ion that must be added to (or built up in) a 0.140 m Na2CrO4 solution in order to initiate a precipitation of silver chromate. The ksp of ag2cro4 is 1.2 × 10^-12.

*asked on November 20, 2013*