# Deborah

Popular questions and responses by Deborah-
## Chemistry

2. Suppose that the amount of algae in a pond doubles every 4 hours. If the pond initially contains 90 pounds of algae, how much algae will be in the pond after 12 hours? A.)720 pounds B.)360 pounds C.)1,440 pounds D.)114 pounds I think the answer is D.

*asked on January 24, 2013* -
## Math: Please check my answers

1. What is the degree of the monomial 3x2y3? 2 3 5 6 2. What is the simplified form of 8b3c2 + 4b3c2? 12bc 12b3c2 12b6c4 12b9c4 3. What is the simplified form of (4j2 + 6) + (2j2 – 3) ? (1 point) (0) 6j2 – 3 (1) 6j2 + 3 (0) 6j2 + 9 (0) 4j4 + 3 4. What

*asked on January 28, 2013* -
## math Algebra 1

What is the algebraic expression for the following word phrase: the product of 5 more than p and 7? A.5+p+7 B.7(p+5) C.7*p*5 D.p+5 over 7 I think it is A...?

*asked on December 16, 2012* -
## Math

Which of the following statements is not true regarding operations with exponents? A.)To divide powers with the same base, subtract the exponents. B.)To subtract powers with the same base, divide the exponents. C.)To multiply powers with the same base, add

*asked on January 16, 2013* -
## Physics

A uniform half metre rule is freely pivoted at the 15cm Mark and it balanced horizontally when a body of mass 40g is hung from the 2cm Mark. calculate the mass of the rule

*asked on June 16, 2020* -
## Math

Which of the following simplifies to a negative number? A.)-4^-4 B.)(-4)^-4 C.)4^-4 D.)1/4^-4 please help. Thank you I think the answer is A.

*asked on January 9, 2013* -
## Math: Check answers

1. How can this product be simplified? 5x2(2x – 3) 5x2 + 2x – 3 10x3 – 15x2 –5x2 7x3 – 15x2 2. What is the GCF of the terms of 8c3 + 12c2 + 10c ? 2 4 2c 4c 3. How can the polynomial 6d4 + 9d3 – 12d2 be factored? 3d2(2d2 + 3d – 4) 3d2(3d2 + 6d

*asked on January 29, 2013* -
## Math

Suppose an investment of $2,300 doubles in value every decade. The function F(X)= 2300 * 2^X gives the value of the investment after x decades. How much is the investment worth after 2 decades? A.)$2,355,200 B.)$92,000 C.)$46,000 D.)$9,200 I think the

*asked on January 17, 2013* -
## Maths

A carton contains 12 eggs of which 1 is bad. How many ways can you select 3 good eggs.?

*asked on June 8, 2020* -
## math help please

Which cannot describe a system of linear equations? no solution exactly two solutions infinite solutions exactly one solution I thought it was A or D but someone else is telling me it is B...no I'm confused...I thought it was 2 or more solutions

*asked on November 23, 2012* -
## English Please Help

from "When Greek Meets Greek" 1. What can you conclude from the wording of the following text? “One morning Ramkilawansingh (after this, we calling this man Ram) was making a study of the noticeboards along Westbourne Grove what does advertise rooms to

*asked on December 18, 2012* -
## Math

Find the mass of a cylindrical iron pipe 2.1m long and 12cm in external diameter, if the metal is 1cm thick and of density 7.8g/cm cube. Take π=22/7

*asked on July 2, 2019* -
## Math

Suppose a population of 160 crickets doubles in size every month. The function F(X)= 160 * 2^X gives the population after x months. How many crickets will there be after 2 years? A.)2,684,354,560 crickets B.)640 crickets C.)7,680 crickets D.)655,360

*asked on January 17, 2013* -
## math

could someone please help.... a cottage under construction is to be 35.6m wide. the two sides of the roof are to be supported by equal rafters that meet at a 52 degree angle. determine the length of the rafters to the nearest cm using the cosine law and

*asked on March 23, 2010* -
## physics

A 600 kg dragster accelerates from rest to a final speed of 120 m/s in 400 m (about a quarter of a mile) and encounters an average frictional force of 1200 N. What is its average power output in watts and horsepower if this takes 7.30 s?

*asked on July 9, 2013* -
## Math Ms. Sue

what is (-m)^-3n if m=2 and n=-24? A.)3 B.)-3 C.)4 D.)-4 my answer is b. thank you.

*asked on January 9, 2013* -
## math

a committee of 5 people is to be selected from a group of 6 men and 9 women. If the selection is made randomly, what is the probability that the committee consists of 3 men and 2 women?

*asked on July 22, 2011* -
## English

1. George Bernard Shaw criticized The Importance of Being Earnest for A.)being too long. B.)not being funny. C.)not having real substance. 2. Choose the word below that best completes the sentence: He’s incredibly ___________; he just can’t make up his

*asked on January 14, 2013* -
## Math

Evaluate 1/2a^–4b^2 for a = –2 and b = 4. A.)2 B.)1/2 C.)3 D.)4 I think it is D. Thabk You.

*asked on January 14, 2013* -
## math

256 consumers polled, some like only thriller movies, some prefer just comedies, and some like both. If 78 people like only thrillers and 116 like both, how many people prefer only comedies? A62 B38 C140 D194 Is it 38?

*asked on December 16, 2012* -
## English

In the story Sunjata... Why do the sorceresses agree to kill Sunjata? A.Sunjata declined his father's cows. B.Sunjata had befriended Jelimusoni Tunku Manyan Diawara. C.Dankaran Tuman's offer was better than Sunjata's. D.Dankaran Tuman had promised them a

*asked on November 14, 2012* -
## Chemistry

Gasohol is a fuel containing ethanol (C2H5OH) that burns in oxygen (O2) to give CO2 and water. How many moles of O2 are needed to completely react with 2.50 moles of ethanol?

*asked on October 25, 2011* -
## earth science

Which of the following statements is TRUE? S-waves are able to pass through the Earth's core. Continental-continental plate convergence is reponsible for the creation of mountain ranges. Oceanic crust is on average about 60 - 100 km thick. The Richter

*asked on October 10, 2008* -
## Math

Which of the following is equivalent to x^5 y^2/xy^2 when =/ 0 and y =/ 0 ? (1 point) A.) X^6 Y^5 B.) X^5 Y C.) X^4 Y D.) X^4 I don't even have a good guess. Thank you.

*asked on January 16, 2013* -
## Chemistry

chemistry student weighs out 0.123 grams of chloroacetic acid (HCH2ClCO2) into a 250. milliliter volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1200 moles/liter NaOH solution. Calculate the volume of NaOH

*asked on January 19, 2012* -
## Chemistry

sodium trioxocarbonate(iv) crystals NaCO3.XH2O contains 62.94% by mass of water of crystallization.Find the value of X?

*asked on June 11, 2019* -
## math

graph the inequality... y > –5x + 3 I need help to know how to graph this - unsure how and I have to choose between 4 graphs that are shaded....

*asked on December 4, 2012* -
## Math - please help

Write an equation for the line that is parallel to the given line and passes through the given point. y = 5x + 10; (2, 14) A.y=1/5x +4 B.y=-1/5x-4 C.y=5x-68 D.y=5x+4 I think it might be D...not sure

*asked on November 23, 2012* -
## English

I heard that the book is set to release soon. Identify the noun clause.... I heard I heard that the book that the book that the book is set to release soon I think it is D..that the book is set to release soon???..yes?

*asked on November 5, 2012* -
## Algebra-help

8. Tina and Jim each work at a different car wash. Tina is paid $37 per day plus $1.50 for each car she washes. Jim is paid $40 per day plus $1.00 for each car he washes. Write an expression that represents the amount Tina is paid each day given the number

*asked on February 1, 2013* -
## Math

5. Suppose that the volumes of four stars in the Milky Way are 2.7 × 1018 km3, 6.9 × 1012 km3, 2.2 × 1012 km3, and 4.9 × 1021 km3. What is the order of the stars from least to greatest volume? A.) 2.7 × 1018 km3, 6.9 × 1012 km3, 4.9 × 1021 km3, 2.2

*asked on January 24, 2013* -
## Math

Simplify (2t^–3)^3(0.4r)^2 A.)3.2r2 B.)1.28r^2/t^-6 C.)1.28R^2/t^9 D.)0.8r^2/t^-6 I think it is A. Thank You.

*asked on January 14, 2013* -
## English Ms. Sue

10. I have run for this track team for eight years. (HAVE RUN is underlined) Possible answers: A.) present perfect tense B.) past perfect tense C.) future perfect tense I think it is A.

*asked on November 19, 2012* -
## ENGLISH

Choose the correct vocabulary word for the following sentence: “We know the stranger came from a distance because of the _______ he spoke.” (1 point) criteria figurative language dialect I THINK IT IS DIALECT?

*asked on October 31, 2012* -
## mathematics

Find n if 142n=47 ten

*asked on May 11, 2020* -
## math

Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point.f(x) = x2 + 2x - 9

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

A fraction reduces to 36. If its denominator is 6x5, what is its numerator? A.)63x B.)63x5 C.)6x5 D.)67x5 I think the answer is B. Thank You.

*asked on January 16, 2013* -
## math help please

Which expression represents the largest number? A. 40.1 x 10–6 B. 4.1 x 10–7 C. 0.411 x 10–7 D. 0.04001 x 10–5 I think it is B..?

*asked on January 10, 2013* -
## Math - help please

Write the equation of a line that is perpendicular to the given line and that passes through the given point. y – 3 = (x + 2); (–2, 3) A. Y+3= -3/8(X-2) B.Y-3=-3/8(X+2) C.Y-2=-3/8(X+3) D. Y+3=3/8(X-2) I am not sure how to do this problem...please

*asked on November 23, 2012* -
## History

How many new states and territories were part of the United States in 1920 which were not part of the U.S. in 1890? 4 I think...?

*asked on November 8, 2012* -
## Chemistry

A 4g of sugar cube sucrose (C12 H22 O11) is dissolved in a 350ml teacup of 80 degree census of water 1: What will be the molarity of the sugar 2:What is the percentage composition by mass of the sugar

*asked on February 6, 2020* -
## Math

Volume of cube of edge 28cm

*asked on July 2, 2019* -
## Chemistry

The percentage of CHO in vitiamin C was determined by buring a simple weighing 2.00mg. The masses of carbon(iv)oxide and water formd are 3.00mg and 0.816mg respectively. From this, find the percentage of each element and the emperical formular of vitamin

*asked on June 11, 2019* -
## math

A trader has shs 250,000,he buys boxes of books at shs 25000 each and boxes of candles at shs 10,000 each,the money spent on books is atleast shs50000 morethan that spent on candles,he buys atleast 5boxes of books and atleast 7boxes of candles.Write down 4

*asked on March 12, 2017* -
## Grammar

Is this sentence grammatically correct? The patient is discharged for a brief stay in the rehab center. His ultimate plan includes discharge to sell his trailer, and then move to an assisted care arrangement. The patient is to follow up in the adult

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

Part 1: How are exponential growth and decay present in the real world? Give at least 2 examples for exponential growth and 2 examples of exponential decay. Part 2: View and comment on the work of at least 2 other students. Try to choose students whose

*asked on January 17, 2013* -
## Math help

Which of the following statements is NOT true regarding an expression written in scientific notation in the form of a x 10n ? A.)The value of a must be greater than or equal to 1 and smaller than 10. B.)The value of n must be an integer. C.)Doubling n

*asked on January 10, 2013* -
## English

In the following sentence, what kind of phrase is “to the library”? “I will be going to the library soon.” A.prepositional B.participial C.infinitive D.gerund I think it is A

*asked on December 17, 2012* -
## math help please

Solve the following system of equations using substitution. What is the value of y? 2x + 3y = 105 x + 2y = 65 A.15 B.25 C.40 D.65 I think it is B??

*asked on November 24, 2012* -
## English

My name, Cynthia, is from a Greek word for moon. Identify the term the correctly identifies each sentence... simple sentence compound sentence complex sentence compound-complex sentence I think it is B.

*asked on November 7, 2012* -
## Math

Sometimes scale drawings are shown on graph paper. Each square on this graph paper is 1/4 inch. Use the scale drawing of the living room to answer each question. There are 1,296 in.2 in one square yard. Use a proportion to find out how many square yards of

*asked on November 5, 2012* -
## Chemistry

Vinyl chloride (H2C=CHCl), the starting material from which PVC polymer is made, has a Henry's-law constant of 0.091mol/(L.atm) at 25 C. What is the solubility of vinyl chloride in water (in mol/L) at 25C and a partial pressure of 0.90 atm? Thank you in

*asked on June 13, 2010* -
## math

could someone pls help? what transformations must be applied to the graph of y=sinx to obtain the graph of y=sin(x+150 degrees) + 3. state domain for one cycle and state the range.

*asked on April 20, 2010* -
## statistics

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.5 years, and standard deviation of 1.7 years. If you randomly purchase one item, what is the probability it will last longer than 9 years? (Give answer to 4

*asked on June 23, 2019* -
## Maths

subtract 243 base 5 from 243 base 6?

*asked on June 11, 2019* -
## Literature

What is the significance of the alehouse

*asked on March 4, 2019* -
## Algebra

The cost T in hundreds of dollars of tuition and fees at many colleges can be approximated by t=1/2c+5 where C is the number of credits for which a student registers graph the equation and use the graph to estimate the cost of tuition and fees when a

*asked on June 24, 2016* -
## English Please help

1. Why is there no charity in Mithila? A.) No one in the country is need of it. B.) The poor can collect the cast-off C.) jewelry for money. D.)The wealthy are greedy and do not give to the poor. No one is wealthy enough to give to others. 2. Why does Sita

*asked on January 25, 2013* -
## Math

Part 1: How are exponential growth and decay present in the real world? Give at least 2 examples for exponential growth and 2 examples of exponential decay. Thank You.

*asked on January 20, 2013* -
## Math

Which of the following is 0.0000000708 written in scientific notation? A.)7.08 x 10^–8 B.)7.8 x 10^–8 C.)708 x 10^–10 D.)70.08 x 10^–9 I think it is A. Thank you.

*asked on January 9, 2013* -
## Math

Which of the following expressions is written in scientific notation? A.)73.4 x 10^5 B.)0.09 × 10^7 C.)80 x 10^3 D.)4.22 x 10^–3 I think it is D. Thank you.

*asked on January 9, 2013* -
## Math

Which expression is equal to 1/8000 written in scientific notation? A.)8.0 x 10^3 B.)1.25 x 10^–4 C.)125 x 10^–5 D.)1.25 x 10^4 I think it is A. Thank you.

*asked on January 9, 2013* -
## English

Read the passage below and choose the answer that best describes the result of the honest man’s decision. “The honest man could hardly object to such reasoning. He took to going out in the evening and coming back the following morning like they did,

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

Irena is training for an upcoming triathlon and plans to run 12 miles miles today. Jorge offered to ride his bicycle to help her maintain her pace. If Irena wants to keep a steady pace of 6.5 minutes per mile, how fast should Jorge ride in miles per hour?

*asked on December 3, 2012* -
## math help please

Tell whether the lines for each pair of equations are parallel, perpendicular, or neither. y = –1/4x + 10 –2x + 8y = 6 parallel perpendicular neither I think its neither ? please help me understand...

*asked on November 23, 2012* -
## English - Ms. Sue

In 1960, American scientists raise a serious concern. A.raising B.raised C.have raised D.no change necessary The word underlined is raise and they want you to identify the correct form of it. I think it would be B. raised

*asked on November 16, 2012* -
## English - Ms.Sue

Hopefully you know the story "from Sunjata".... What saves Sunjata in the end? A.his popularity B.God's blessing C.his generosity D.his friendship with a sorceress I think it's B....?

*asked on November 14, 2012* -
## History

How many states and territories were part of the United States in 1890? Was it 44...

*asked on November 8, 2012* -
## math Ms. Sue

A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? 39 m2 169 m2 117 m2 142 m2 I think it is A...?

*asked on November 8, 2012* -
## Math

Which equation is the equation of a line that passes through (–10, 3) and is perpendicular to y = 5x – 7? y = 5x + 53 y = –x – 7 y = –x + 1 y = x + 5 Help - I don't understand...being told it is C but why?

*asked on November 8, 2012* -
## English

I was not surprised when I learned that. Identify the sentence... simple sentence compound sentence complex sentence compound-complex sentence I do not understand these Ms. Sue....I went to your link - please help I have alot Ithink it is A

*asked on November 7, 2012* -
## English

The house is disorganized but it's not dirty... classify the sentence A. Simple B. Compound C. Complex D. Compound - complex I think it is compound but I am not sure

*asked on November 5, 2012* -
## English

The school where my cousin attends is two blocks away. Identify the adjectival clause... school where my cousin attends where my cousin attends attends is two blocks away two blocks away

*asked on November 5, 2012* -
## English

Ms. Hayes, who loved teaching, dedicated her life to education. Identify the usage of the underlined relative pronoun in the bolded adjectivial clause. who loved teachiing is bolded and who is underlined... direct object subject object of a preposition

*asked on November 5, 2012* -
## Algebra

If a number is not a rational number then it is a? 1.an integer 2.an irrational # 3.a whole # 4.a radical I believe its irrational but that seems to easy? Please help

*asked on October 27, 2012* -
## Physics

1. Which of these physical situations describes an inversely proportional relationship? (Points : 1) The volume always decreases as the pressure increases. The volume always increases as the pressure increases. The pressure vs. volume graph is a straight

*asked on October 17, 2012* -
## accounting

Posson Catering uses two measures of activity, jobs and meals, in the cost formulas in its budgets and performance reports. The cost formula for catering supplies is $210 per month plus $96 per job plus $20 per meal. A typical job involves serving a number

*asked on April 3, 2012* -
## Chemistry

A chemistry student weighs out 0.123 grams of chloroacetic acid (HCH2ClCO2) into a 250. milliliter volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1200 moles/liter NaOH solution. Calculate the volume of

*asked on January 19, 2012* -
## Chemistry

A chemistry student weighs out 0.123 grams of chloroacetic acid (HCH2ClCO2) into a 250. milliliter volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1200 moles/liter NaOH solution. Calculate the volume of

*asked on January 19, 2012* -
## Chemistry

A chemistry student weighs out 0.123 grams of chloroacetic acid into a 250. milliliter volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.2100 moles/liter NaOH solution. Calculate the volume of NaOH solution

*asked on January 19, 2012* -
## chemistry

Suppose 0.432g of zinc acetate is dissolved in 200.mL of a 16.0mM aqueous solution of ammonium sulfate. Calculate the final molarity of acetate anion in the solution. You can assume the volume of the solution doesn't change when the zinc acetate is

*asked on January 18, 2012* -
## Chemistry

If Kc = 7.5E-9 at 1000K for the reaction N2(g)+ O2(g)2NO(g), what is Kc at 1000K for the reaction 2NO(g)N2(g)+ O2(g)?

*asked on June 24, 2010* -
## math

could someone help me please. State the amplitude and the range of the graph of y= -0.8sinx. Describe the transformations that are applied to the graph of y=sinx to obtain the graph of y= -0.8sinx.

*asked on April 3, 2010* -
## math

A triangular lot sits at the corner of two streets that intersect at an angle of 63 degrees. One street side of the lot is 35m and the other is 47m. how long is the back of the lot, to the nearest metre?

*asked on March 25, 2010* -
## english

i need to write a process paragraph about how yeast causes bread to rise. i was wondering if this was good. Yeast is the essential cells of Saccharomyces cervisiae waiting to be activated. Take a half cup of warm water or milk in a bowl, and add a teaspoon

*asked on March 18, 2010* -
## trigonometry ?

A cottage under construction is to be 15.6m wide. The two sides of the roof are to be supported by equal rafters that meet at a 52 degree angle. Determine the length of the rafters to the nearest cm using a) the cosine law b) the sine law I am not

*asked on March 16, 2010* -
## health

what are the advantages and disadvantagesof Process and Outcome measures of quality

*asked on October 26, 2009* -
## math

unscramble these letter for a 5th grade math question dealing with fractions and decimals. the letters are IPDLISAF

*asked on January 5, 2009* -
## algebra

reduce to lowest terms 75a^2b __________ 25ab^2 Do these with like terms: 75/25 then a^2/a then b/b^2

*asked on January 29, 2007* -
## Algebra word problems

The area of a rectangle is found by multiplying the length by the width: A=lw. A certain rectangle has an area os x^2+7x +12. Factor the trinomial to find the length ad width of the rectagle. Please read at this site:

*asked on January 23, 2007* -
## Math

Given that the 7th term of AP is 3 greater than the 5th term,the sum of the 10th term and 3th term is 45, calculate,20th term,8 term and the sum of the first five terms?.

*asked on January 23, 2020* -
## Chemistry

C2H2 + 3O2 ---------> 2H2O + 2CO2 What is the volume of Oxygen required for the complete combination of 12.5cm^3 of ethene.

*asked on January 10, 2020* -
## Civics

Five ways Leaders can promote the interest of their members

*asked on November 13, 2019* -
## Physics

The half life of an element Z is 10days. if there are 10g of Z intially, what will be its mass after 40 days?

*asked on June 11, 2019* -
## Physis

A car travelling at 30mls overcome a frictional resistance of 100n while moving. What is the power of the engine

*asked on January 28, 2019* -
## Math

What is 100x40?

*asked on October 30, 2018* -
## math

Evacuate the following using four figure table 1.487^3-1÷ 1.487^3+1

*asked on October 27, 2018* -
## Maths

Find the total price to the nearest cent. $12 bracelet,markup:115%, sales tax=5%

*asked on October 6, 2018* -
## Math

An equilateral triangle of side 20cm is inscribed in a circle. Calculate the distance of a side of the triangle from the center of the circle

*asked on August 22, 2018* -
## home science-garment construction

describe how to attach a lace on the lower edge of a skirt using an overlaid seam

*asked on November 8, 2017*