# Posts by Kristina

Total # Posts: 226

**Algebra**

Find a rational function that satisfies the given conditions. Vertical asymptotes x=-2,x=7 Horizontal asymptote y=7/2 ?x-intercept ?(?5?, ?0)

*December 6, 2016*

**Algebra**

A projectile is thrown upward so that its distance above the ground after t seconds is h(t)=-16t^2 + 570t. After how many seconds does it reach its maximum? height?

*December 6, 2016*

**Algebra**

A train leaves the station at 8 a.m. and averages 40 miles per hour another train leaves the same station one hour later and averages 50 miles per hour traveling in the same direction on a parallel track at what time will the second train catch up with the first train how many...

*August 31, 2016*

**Algebra**

A train leaves the station at 8 a.m. and averages 40 miles per hour another train leaves the same station one hour later and averages 50 miles per hour traveling in the same direction on a parallel track at what time will the second train catch up with the first train how many...

*August 31, 2016*

**Art**

C my friend! Always try to dig alittle deeper, that question had nothing to do with art sometimes teachers just try to trick you. good luck😀😀

*May 3, 2016*

**geom**

If you have 100 feet of fence, which measurements would give you the largest area?

*March 21, 2016*

**Biology**

In what way are bacteria and fungi similar? Ecological function Cell wall components Design of the nucleus Ribosome structure help

*February 19, 2016*

**Health**

2 is C and D. Got them all correct

*February 11, 2016*

**Health**

1. The addictive chemical found in all tobacco products is A. tar B. nicotine** C. carbon monoxide D. insulin 2. A person who hasn’t smoked for 2 hours and is irritable is showing symptoms of (pick 2) A. respiration B. hunger** C. withdrawal D. addiction** 3. How does ...

*February 11, 2016*

**physics**

A tennis ball is served 2.00 degrees above the horizontal at a height of 2.40 meters, 12.0 meters from a net that is 0.900 meters high. (a) If the tennis ball is to clear the net by at least 0.200 meters, what is its minimum initial velocity? (b) If the tennis ball clears the ...

*February 9, 2016*

**physics**

Canadian snowbirds usually follow the I-15 at a speed of about 120 kilometers per hour. Canadian geese, on the other hand, migrate approximately along a north-south direction for well over a thousand kilometers in some cases, traveling at speeds up to about 100 kilometers per ...

*February 9, 2016*

**basic algebra**

the tens digit of a certain number is 4 more than the units digit. the sum of the squares of the two digits is 26. find the number.

*February 8, 2016*

**basic algebra**

Carlo,Clyde,and Marky working together can do a job in 6 days. Carlo and Marky can do can do the job in 8 days. Clyde and Marky can do the job in 9 days. find how long it will take each guy working alone to do the job.

*February 8, 2016*

**basic algebra**

if the units of a two-digit number is 6 more than then tens digit and the number is 8 more than twice the sum of the digits, what is the number?

*February 8, 2016*

**basic algebra**

the perimeter of a piece of cardboard is 34 inches. squares measuring 2 inches on a side are cut from each corner so that when the sides are folded up, the diagonal of the resulting box has the length 7 inches.what are the original dimensions of the card board?

*February 8, 2016*

**basic algebra**

the numerator of a certain fraction is four less then the denominator, if the numerator is doubled and the denominator is diminished by two, the sum of the original fraction and the new one is three. find the original fraction

*February 8, 2016*

**basic algebra**

the sum of the two angles of a triangle is equal to the third angle and the difference of the two angles is equal to two-thirds the third angle. find the measure of each angle

*February 8, 2016*

**physics**

A transverse wave is traveling through a canal. If the distance between two successive crests is 2.97 m and four crests of the wave pass a buoy along the direction of travel every 20.6 s, determine the following.

*January 28, 2016*

**shepherd**

A transverse wave is traveling through a canal. If the distance between two successive crests is 2.97 m and four crests of the wave pass a buoy along the direction of travel every 20.6 s, determine the following.

*January 28, 2016*

**Language Arts**

Thanks Pacman!

*January 6, 2016*

**Technology**

Thanks!! I got 4/4

*December 17, 2015*

**Technology**

Ohhh!! Okay so for 2. would be A??

*December 17, 2015*

**Technology**

Oh okay, my other answer for 1. would be D, is that correct or wrong?

*December 17, 2015*

**Technology**

1. What column do you put deposits in when you are balancing your checkbook? A. date B. transaction** C. debit D. credit 2. When creating a formula for balancing a checkbook, what do you subtract from the credits? A. debits B. check numbers** C. transactions D. dates 3. Why is...

*December 17, 2015*

**math fractions**

I am trying to find out if a recipe calls for 2/3 cups of granola, how much do I need to make 1/9 of the recipe

*September 30, 2015*

**Chemisty**

(I am a mom trying to help my child had Chem years ago if I can see how this is doNE I can explain it to them) You have 70.0mL of a .400M stock solution that must be diluted to .100M. How much water should I add?

*July 18, 2015*

**Physics**

A 2 kg block of cheddar cheese hangs from an ideal spring of negligible mass. When displaced from equilibrium and released, the cheese oscillates with a period of 0.4 secs. How much the spring stretched when the cheese hangs in equilibrium?

*July 14, 2015*

**Chemistry**

Can you help me figure out three models that helps explain Thomson's findings? Like one is the plum pudding model

*July 4, 2015*

**Chemistry**

Propose three models that explain Thomson’s findings and evaluate them. To be complete you should include Thomson’s findings.

*July 4, 2015*

**Chemistry**

The diameter of a hydrogen nucleus is 1.0 X 10 -3 pm and its mass is 1.67 X 10 -24 g. What is the density of the nucleus in grams per cubic centimeter? Assume the nucleus is a sphere with volume = 4/3pie r3.

*July 4, 2015*

**Chemistry**

You have two beakers, one filled to the 100 mL mark with sugar (mass of sugar 180.0 g) and the other filled to the 100 mL mark with water (m ass of water 100.0 g). You pour all the sugar and all the water together in a bigger beaker and stir until the sugar is completely ...

*June 24, 2015*

**Science**

How many chemical reactions are possible regarding the formation of carbonic acid and the dissolving of calcite? A. 3 B. 23 C. 2 D. 10 I think its A.??

*March 30, 2015*

**language arts**

its actually B D B B A

*March 18, 2015*

**l>a**

I got a 100%!!

*February 24, 2015*

**L.A. Check answers please**

Thanks Kyan for the answers!!!!!!!

*February 19, 2015*

**Early Childhood**

Advanced

*February 19, 2015*

**Math**

u,jbn

*February 18, 2015*

**EdTech**

mista iced is correct i got a 100%

*February 10, 2015*

**Physics/Math**

A 25.0 gram piece of charcoal is found in some ruins of an ancient city. The sample shows a 14C activity, R, of 250 decays/min. How long (in years) has the tree this charcoal came from been dead? I think I have the use the equation: R=lamda*No*e^(-lamda*t) but I am not sure ...

*February 3, 2015*

**LA Check please**

1. B 2. A 3. B 4. B 5. D

*January 30, 2015*

**Language arts**

Thanks Anonymous!!

*January 24, 2015*

**Physical Science**

What is the temperature of oxygen that boils at negative 183 Celsius?

*December 9, 2014*

**Earth Science**

is #2 and #3 correct

*June 5, 2014*

**Earth Science**

is #2 and #3 correct

*June 5, 2014*

**human biology**

agglutination

*May 22, 2014*

**algebra**

F(t)= 30000 1+20e^-1.5t Describes the number of people, f(t), who have become ill with influenza t weeks after the initial outbreak in a town with 30,000 inhabitants. a. How many people became ill with flu when the epidemic began? b. How many people were ill by the end of the...

*April 12, 2014*

**algebra**

Use the fact that after 5715 years a given amount of carbon 14 will have decayed to half the original amount to find the exponential decay model for carbon 14. In 1947, earthenware jars containing what was known as the Dead Sea scrolls were found by an Arab Bedouin herdsman. ...

*April 12, 2014*

**word problem**

the function f(x)= 34.1 Ln x + 117.7 models the number of U.S. Internet users, f(x) in millions, x years after 1999. By which year will there be 250 million Internet users in the U.S.?

*April 12, 2014*

**math**

number 5 is 37.5% i just did the test the rest are correct :)

*April 8, 2014*

**Accounting**

During the current year, Mast Corporation expects to produce 10,300 units and has budgeted the following: net income $350,376; variable costs $1,080,800; and fixed costs $105,000. It has invested assets of $1,459,900. The company’s budgeted ROI was 24%. What was its ...

*April 2, 2014*

**statistics**

opinion polls find that 16 percent of americans adults claim that they never have time to relax. suppose you take a random sample of 400 american adults and count the number X in your sample and claim that they never never have time to relax.

*March 22, 2014*

**Accounting**

What is Beer direct materials and raw materials? Raw materials are the basic materials and parts that are to be used in the manufacturing process Raw materials that can be physically and directly associated with the finished product during the manufacturing process are called ...

*February 6, 2014*

**Accounting**

Please explain I'm so lost Chandler Ltd. estimates sales for the second quarter of 2014 will be as follows. Month Units April 2,550 May 2,475 June 2,390 The target ending inventory of finished products is as follows. March 31 2,000 April 30 2,230 May 31 2,200 June 30 2,310...

*February 5, 2014*

**Accounting**

The comparative statements of Lucille Company are presented here. LUCILLE COMPANY Income Statements For the Years Ended December 31 First number are 2012 2012 then 2011 Net sales $1,890,540 $1,750,500 Cost of goods sold 1,058,540 1,006,000 Gross profit 832,000 744,500 Selling...

*November 12, 2013*

**science**

well its not D. for sure cuz I took the Penn Foster test and it was wrong.

*July 11, 2013*

**calculus**

A conical party hat made out of cardboard has a radius of 4cm and a height of 12cm. When filled with beer, it leaks at the rate of 4cm^3/min. (a)At what rate is the level of the beer failing when the beer is 6cm deep? (b) When is the hat half empty?

*June 5, 2013*

**history**

Between 1947 and 1951, what did the loyalty boards that were established to root out subversives in government service do? a. They uncovered evidence of massive subversion and espionage within the Departments of State and Defense. b. They restricted their investigations to ...

*April 17, 2013*

**History please help**

thank you that was the one I was leaning towards because I couldn't really find anything about it in textbook

*April 16, 2013*

**History please help**

Which of the following issues was not on the agenda of the National Organization for Women in the late 1960s a and early 1970s? a. Women should have equal employment opportunities. B. Child care needed to be regulated and more readily available. c. Abortion rights should be ...

*April 16, 2013*

**History**

yea my book didn't really say much on the first topic i don't know that's why I was confused

*April 11, 2013*

**History**

1. Puerto Ricans experienced which of the following when they migrated to the United States from Puerto Rico in the 1950s? Deportation as undocumented aliens Family friction and a reversal in traditional sex roles A middle-class lifestyle in the barrio Downward social mobility...

*April 11, 2013*

**Art answer check**

1. Ann Hamilton's "Indigo Blue" is an example of what kind of art? Feminist Art Action Painting x Installation Art Video Art 2 The events in contemporary Iran give this artist context for films and videos by this artist: Wemda Gu x Shirin Neshat Zaha Hadid El ...

*April 5, 2013*

**Art**

i think one is assemblage and 2 is pop art

*April 5, 2013*

**Art**

1.With late 20th c. sculpture a new attitude developed around the use of 'ordinary' materials. Some said that this was merely "Dadaist revival." The work may involve moving parts (kinetic sculpture), or 'combines' of seeming unrelated objects, or ...

*April 5, 2013*

**Art**

it didn't show up on my end for some reason Sue. thanks though so it would be fals correct since they violating conventional views of both proper style and subject.

*March 21, 2013*

**Art**

The Barbizon painters were known for their urban, studio created nudes true or false The Pre-Raphaelites advocated an urban, Parisian sophistication in their art: true or false

*March 21, 2013*

**Art**

The Barbizon painters were known for their urban, studio created nudes true or false The Pre-Raphaelites advocated an urban, Parisian sophistication in their art: true or false

*March 21, 2013*

**Math for Ms. Sue please last questions**

Thank you yango your answers are correct i got 100%!!!

*March 8, 2013*

**Chemistry**

look at the periodic table. carbon has an elemental mass of 12.01g/mole how many carbons are in this formula? (3)

*February 28, 2013*

**Math**

The following data represents the high-temperature distribution for a summer month in a city for some of the last 130 years. Treat the data as a population. Temperature Days 50-59 4 60-69 309 70-79 1428 80-89 1485 90-99 393 100-109 8 According to the empirical rule, 95% of ...

*January 27, 2013*

**MATH**

In Marissa's Calculus course, attendance counts for 5% of the grade, quizzes count for 15% of the grade, exams count for 60% of the grade, and the final exam counts for 20% of the grade. Marissa had 100% average for attendance, 93% for quizzes, 82% for exams, and 81% on ...

*January 27, 2013*

**real estate**

Mile and Rosalyn borrow $70,000 to purchase a home. If the monthly interest payment is $787.50. What is the rate of interest?

*January 21, 2013*

**math**

The answer is 15 because 72 divided into 3 = 24 and 24 divided into 360 degrees is 15. 15 is the answer.

*January 7, 2013*

**advanced math**

find the real solutions. 3+ the square root of (2x+2)=x

*December 4, 2012*

**advanced math**

what is line perpendicular to line 5x+y=57 that goes through the point (10,6).

*December 3, 2012*

**advanced math**

*the square root of (9x-8)

*December 3, 2012*

**advanced math**

find the real solutions. 2+the square of (9x-8)=x

*December 3, 2012*

**advanced math**

Math the equation a single logarithm. Express as factors. ln(x/(x-1))+ln((x+1)/(x))-ln(x^2-1)

*December 3, 2012*

**advanced math**

Solve the equation. 2log_2(x-5)+log_2(2)=5

*December 3, 2012*

**advanced math**

The marginal cost of a product can be thought of as the cost of producing one additional unit of output. For example, if the marginal cost of producing the 50th product is $6.20, it cost $6.20 to increase productionn from 49 to 50 units of output. Suppose the marginal cost C(...

*December 3, 2012*

**math;SOS**

solve the logarithmic equation. log(5x+7)=1+log(x-9)

*December 2, 2012*

**Math**

Factor the following. 3x^3+49=x^2+147x

*December 2, 2012*

**Advanced Math**

find all points having an x-coordinate of 2 whose distance of the point (-1-2)is 5.

*December 2, 2012*

**Advanced Math**

Find the real solutions by factoring. 3x^3+16=x^2+48x

*November 29, 2012*

**math**

thanx

*November 16, 2012*

**Sociology**

By the way it's not my homework. It's just something i need to prepare for my text next week.

*October 5, 2012*

**Sociology**

I've no idea of what i should write

*October 5, 2012*

**Sociology**

Could someone please help me out! Thank you

*October 5, 2012*

**Sociology**

Could someone please help me out! thank you

*October 5, 2012*

**Sociology**

Compare and contrast the theories of Daniel Levinson , Irene Frieze, and Esther Sales concerning adult development.

*October 5, 2012*

**Science**

Name several aspects of everyday life that will change when our country converts to SI units.

*September 17, 2012*

**math**

i am an even number between 10 and 30 .you can add 4 to me and get the sum of 10 and 10 what number am i

*September 11, 2012*

**CHEMISTRY**

Assume an organic compound has a partition coefficient between water and diethyl ether equal to 7.33. If there are initially 9.81 grams of the compound dissolved in 100.0 mL of water, how many grams will remain in the aqueous layer after extraction with one 30.0 mL portion of ...

*September 9, 2012*

**CHEMISTRY**

Assume an organic compound has a partition coefficient between water and diethyl ether equal to 7.33. If there are initially 9.81 grams of the compound dissolved in 100.0 mL of water, how many grams will remain in the aqueous layer after extraction with one 30.0 mL portion of ...

*September 9, 2012*

**HISTORY**

1. The majority of states that did not ratify the Equal Rights Amendment were located in the A. [Southeast] B. Midwest C. West D. Northeast 2. Among instances of corporate malfeasance in the early twenty-first century, the _____ scandal was the most shocking and economically ...

*September 3, 2012*

**HISTORY**

ohh! sorry I mean B is not it...

*September 3, 2012*

**HISTORY**

A is wrong. I took the test

*September 3, 2012*

**Accounting**

lost how do I get an answer

*May 31, 2012*

**math**

is that how you estimate the answer?

*April 25, 2012*