# Posts by SARA

Total # Posts: 4,465

**math**

Sorry, I meant A.

*August 18, 2012*

**math**

The quotient of 5/31 divided by 15/23, reduced to the lowest fraction, is A. 23/93. B. 93/23 or 4 1/23. C. 75/373. D. 115/465. Is it b?

*August 18, 2012*

**Math**

The amount $180.00 is what percent greater than $135.00? A. 35% B. 75% C. 133.33% D. 33.33% Is it b?

*August 18, 2012*

**MATH**

You wish to mentally estimate the total cost of items that have the following prices: $1.85, $.98, $3.49, $9.78, and $6.18. Rounding off the items to the nearest half-dollar, your estimate of the total cost of these items is A. $22.50. B. $22.30. C. $22.59. D. $23.00. Is it A??

*August 18, 2012*

**Physic**

The field of an unknown charges is first mapped with a 1.0 X 10^-8 C test charges, then repeated with 2.0 X 10^-8 C test charge. a) would the same forces be measured with the two test charges (Explain)? b) would the same fields be determine using the two test charges (Explain)?

*August 17, 2012*

**physical**

But if i do this for force of friction, the result of frictional force is going to be negative. :(

*August 17, 2012*

**physical**

A 0.8 kg block of wood has an initial velocity of 0.25 m/s as it begins to slide across a table. The block comes to rest over a distance of 0.72m. a) what is the average frictional force on the block? b)How much work is done on the block by friction? c)How much work is done on...

*August 17, 2012*

**physic**

3 charges sit on vertical equilateral triangle the side of each is 30.0 cm. if the triangle are A= +4.0 uC B=+5.0 uC and C=+6.0 uC (clockwise from top) what is the force on each charge?

*August 17, 2012*

**English**

What is a cliche and what is a sentence that's an example?

*August 17, 2012*

**English**

Identify the sentence that contains a noun clause in italics. A. What Betty wants is to harvest the corn. B. When should Betty harvest the corn? C. Betty wants to harvest the corn. D. Betty would like to harvest the corn. Is it D?

*August 17, 2012*

**English**

Which one of the following is a correct example of the plural possessive case? A. woman's plans B. it's place C. men's plans D. stone's throw is it a?

*August 17, 2012*

**English**

is it C?

*August 16, 2012*

**English**

Choose the sentence that has a compound predicate. A. Sandy washed and ironed her clothes. B. Sue and I will listen. C. We went home to eat and to study. D. Swimming and golfing are Jim's favorite sports. Is it D?

*August 16, 2012*

**english**

So it's A?

*August 16, 2012*

**english**

Choose the correct singular, third person, conjugation of the verb to be in the future perfect tense. A. You have been B. I will be C. She will have been D. They will have been is it D?

*August 16, 2012*

**English**

In the following sentence, what is the subject complement? My neighbor is a newspaper reporter. A. Reporter B. My C. Neighbor D. Newspaper Is it A?

*August 16, 2012*

**English**

Which kind of adjective is used most frequently in ordinary speech or writing? A. Proper B. Common C. Article D. Demonstrative Is it B?

*August 16, 2012*

**English**

In the following sentence, identify the part of speech of the italicized word. Thousands of years ago, fish were caught in nets and traps. A. Verb B. Preposition C. Pronoun D. Conjunction Is it B?

*August 16, 2012*

**Algebra2**

Sorry "being" shouldn't have been there. Another mistake!

*August 16, 2012*

**Algebra2**

Lol:D You were being speeding threw the problems just like me! i did that in problem 4! I got the right answer now! Thank you!

*August 16, 2012*

**Algebra2**

I think i know what i did wrong in problem 4! My multiplication is wrong!

*August 16, 2012*

**Algebra2**

I went back and I corrected problem 2 and 3. In problem 2 I found my mistake, But in problems 1 and 4 I'm stuck and can't figure out how you got those answers. I did the problems at least 4 times already and I keep getting the same answers:/

*August 16, 2012*

**Algebra2**

I Made a Mistake Problem #4 Answer Is 21-20i

*August 16, 2012*

**Algebra2**

Check Answers Please? 1. 5+(2+3i) + (-3-7i) = 4 + -4i 2. (5-10i) - (2+i) = 7 - 9i 3. -5i(2-3i) = -10i - 15 4. (2+3i)(-3-7i) = (1)(4i)

*August 16, 2012*

**Algebra2**

Thanks! I Seen My Mistakes and Fix Them. Thank You .

*August 16, 2012*

**Algebra2**

Can Someone Check My Anwsers? 1. -17=10x+3 = x=2 2.9x+5=7x+3x-2 = x= 7/1= 7 #I Do Have My Work Shown, On a Separate Sheet Of Paper . But I Want to Know If I Got My Answers Right.

*August 16, 2012*

**Algebra2**

Oh Okay . I Tried The Other Two Problems. For #1 I Got 120 As My Answer. For #2 I Got 37 As My Answer.

*August 16, 2012*

**Social Studies**

I have. Is it A?

*August 15, 2012*

**Social Studies**

When postwar expansion slowed in the 1950s, an economic stimulus was provided by A. increased consumer goods manufacturing. B. the baby boom. C. Cold War spending. D. the construction of Levitt Towns. Is it B?

*August 15, 2012*

**Social Studies**

So, it's A?

*August 15, 2012*

**Social Studies**

At the beginning of World War II, Roosevelt dealt with France A. by supporting the Free French under Charles de Gaulle. B. by seeking an alliance with French Algeria. C. by joining with the British in an assault on North Africa. D. through negotiations with the Vichy ...

*August 15, 2012*

**Social Studies**

During the election of 1936, declaring their party a "millionaire's union," Franklin Roosevelt focused mainly on defeating the A. Union Party running William Lemke. B. Liberty League running Alfred M. Landon. C. Liberty League running Father Coughlin. D. Union ...

*August 15, 2012*

**Social Studies**

B. Band Concerts?

*August 15, 2012*

**Social Studies**

Before 1910, the most popular form of public entertainment was A. viewing motion pictures. B. band concerts. C. ballroom dancing. D. baseball. Is it C?

*August 15, 2012*

**Social Studies**

As passed by the Congress after McKinley delivered his war message to Congress, the declaration of war against Spain was modified by the Teller Amendment, which stipulated that A. the United States reserved the right to annex Cuba. B. trade with Spain would continue as usual. ...

*August 15, 2012*

**Social Studies**

Okay. Are these sites trustworthy?

*August 15, 2012*

**Social Studies**

In a famous speech, William Jennings Bryan A. declared that mankind shouldn't be "crucified on a cross of gold." B. refused to be allied with the so-called "silverists." C. declared his staunch support of the gold standard. D. refused his nomination as ...

*August 15, 2012*

**Social Studies**

Which of the following was true of Secretary of State William Henry Seward? A. He opposed American imperial expansion. B. He annexed the Midway Islands. C. He negotiated the purchase of Alaska from Canada. D. He was successful in negotiating a trade deal with the Kingdom of ...

*August 15, 2012*

**Social Studies**

The ___________ expressed the darkest and most ominous aspect of the rural counterattack of the early 1900s. A. Ku Klux Klan B. Palmer raids C. Red Scare D. Prohibition movement Is it A. Ku Klux Klan?

*August 15, 2012*

**math**

The figure above consists of two equilateral triangles, one of which is inside the other. If the unshaded region within the larger triangle makes up 8/9 of that triangle's area, what is the ratio of the perimeter of the larger triangle to the perimeter of the smaller ...

*August 8, 2012*

**Reading**

They did mention something named "The Big Shake" and I was thinking about the same idea. Thanks!

*August 6, 2012*

**Reading**

I am reading this book called "The Last Book in the Universe" and I have to answer some questions and one of the questions asked : (chapter 2) What happened in the big times that changed the way people live? What do we call this phenomenon? Can you explain the second...

*August 6, 2012*

**MAth**

I am having trouble solving this problem. Q - One mile is 5280 feet. Justin has a stride of 32 inches. How many steps will he take to run a 26-mile marathon. I tried 5280 x 32 = 168,960 incorrect. 5280 x 26 = 137,280 divided by 32 = 4290 incorrect.5280 divided by 3(3feet)=1760...

*August 6, 2012*

**geometry**

Circle O is defined by the equation x2 + (y - 2)2 = 25. Plot the center of Circle O and type in the coordinates of one point with integral values that lies on Circle O.

*August 5, 2012*

**health!**

what is the answer

*August 3, 2012*

**math**

what is the area of a regular hexagon inscribed in a circle with area of 9?

*August 2, 2012*

**Math**

a polygon P is inscribed in a circle C with area of pie. Circle C and polygon P MUST intersect in at least how many points?

*August 1, 2012*

**Math**

what is the area of a regular hexagon inscribed in a circle with area of 9?

*August 1, 2012*

**early childhood education**

typically when paired with a boy in a laboratory play session a two year old girl os likely to

*July 25, 2012*

**chemistry**

When the conductivity is at a minimum, what must be true about the amount of Ba(OH)2 compared to H2SO4? The Ba(OH)2 dissociates as Ba+2 + 2 OH-. H2SO4 dissociates as 2 H+ + SO4-2. Why does it not conduct at this low point? Why does it conduct more before and after this minimum...

*July 25, 2012*

**Geometry**

The diagonals of an isosceles trapezoid divided it into one pair of congruent triangles and one pair of similar triangles.

*July 25, 2012*

**MATH**

2x-3(x+4)= -5 The answer is -7 , but I am unable to get this answer. tried working problem several ways get different answers for ex. I get -17 or 7 Please I need some help

*July 24, 2012*

**science**

how might the environmental impacts of deforestation and sprawl affect the human community of Pinchot

*July 23, 2012*

**Physical Science**

A tire contains air at a pressure of 2.8 bar at 10C. If the tire’s volume is unchanged, what will the air pressure in it be when the tire warms up to 35C as the car is driven?

*July 21, 2012*

**Chemistry**

About 13% of the acid in a 0.10M solution of a weak acid dissociates to form ions. What is the H3O+ concentration? What is the OH- concentration? What is the pH of the solution?

*July 18, 2012*

**Chemistry**

What is the HCl concentration if 72.1ml of 0.035M NaOH is required to titrate a 20.0ml sample of the acid?

*July 18, 2012*

**math**

Write a story problem that can be solved using the equation 3/4 x 36 = n I know the answer but I don't know how to write a story problem to go with it... I saw a question similar to this but it had two fractions and confused me...

*July 10, 2012*

**science**

How much force is needed to give a 5-kg box and upward acceleration of 2 m/s2?

*July 5, 2012*

**science**

How fast must a fall be thrown upward to reach a height of 12 m?

*July 5, 2012*

**physical science**

The acceleration of gravity on the surface of Venus is 8.9 m/s2. Would a ball thrown upward on Venus return to the ground sooner or later than a ball thrown upward with the same speed on the earth?

*July 5, 2012*

**physical science**

. The brakes of a car are applied to give it an acceleration of -3 m/s2. The car comes to a stop in 5 s. What was its speed when the brakes were applied?

*July 5, 2012*

**physical science**

. Three forces, each 10 lb, act on the same object. What is the maximum total force they can exert on the object? The minimum total force?

*July 5, 2012*

**Math**

afdfds

*July 4, 2012*

**chem**

find the ionic equation

*June 19, 2012*

**physics**

21.56

*June 15, 2012*

**Trig**

Find sin2theta, cos2theta if csctheta=13/12 and lies in quadrant II. Thank you!

*June 13, 2012*

**chemistry**

A 375 g sample of well water is found to contain 17.0 mg of lead. How much lead (in parts per million) is in the well water? Round to the nearest tenth. Don't forget the unit.

*June 12, 2012*

**finance**

The Nutrex Corporation wants to calculate its weighted average cost of capital. Its target capital structure weights are 40 percent long-term debt and 60 percent common equity. The before tax cost of debt is estimated to be 10 percent and the company is in the 40 percent tax ...

*June 10, 2012*

**finance**

Faulkner's Fine Fries, Inc. (FFF), is thinking about reducing its debt burden. Given the following capital structure information and an expected EBIT of $50 million (plus or minus 10 percent) next year, should FFF change their capital structure? Current Porfolio Total ...

*June 10, 2012*

**finance**

P5 For the following projects, compute NPV, IRR, MIRR, profitability index, and payback. If these projects are mutually exclusive, which one(s) should be done? If they are independent, which one(s) should be undertaken? Year 0 -1,000 -1,500 -500 -2,000 Year 1 400 500 100 600 ...

*June 10, 2012*

**finace**

Find the IRR and MIRR of a project if it has estimated cash flows of $5,500 annually for seven years if its year-zero investment is $25,000 and the firm's minimum required rate of return on the project is 10 percent.

*June 10, 2012*

**maths**

a cyclist and jogger are 20 miles apart. the cyclist rides at 17 mph and the jogger runs at 7 mph. they move towards each other. a fly starts on the nose of the cyclist and flies at 20 mph from the cyclist to the runner and back. it continues back and forth until the cyclist ...

*June 9, 2012*

**rate of change**

For a person at rest, the function p(t) = -20 cos(300˚t) + 100 models blood pressure, in millimeters of mercury ( mm Hg), at time t seconds. What is the rate of change in blood pressure at 3 s?

*June 9, 2012*

**biology**

why does The sodium-potassium pump move potassium ions into and sodium ions out of a cell down a protein canal?

*June 6, 2012*

**math**

Susan's back yard is rectangular with dimensions 39 yd. by 71 yd. Carlos's back yard is rectangular with dimensions 30 yd. by 50 yd. How much larger is the area of Susan's back yard than the area of Clarlos's back yard?

*June 4, 2012*

**algebra 2**

pleas help me with my home work 00703600

*June 4, 2012*

**Physics**

A plane leaves Seattle, flies 84.0 at 21.0 north of east, and then changes direction to 53.0 south of east. After flying at 125 in this new direction, the pilot must make an emergency landing on a field. The Seattle airport facility dispatches a rescue crew .How far should the...

*June 3, 2012*

**accounting**

. Making Product X requires 4,000 hours of labor and Product Y requires 6,000 hours of labor. TUV undertakes an automation program that reduces the consumption of labor required by Product Y to only 2,000 hours of labor. Product X is not affected by the automation process. ...

*May 31, 2012*

**Physics**

Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 16.0 m, B = 12.0 m, C = 13.0 m, and D = 23.0 m. Determine the (a) magnitude and (b) direction for the resultant that occurs ...

*May 29, 2012*

**chemistry**

how many moles of ammonium sulfate can be made from the rxn of 30.0 mol of NH3 with H2SO4 according to the following equation: 2NH3 +H2SO4-->(NH4)2SO4

*May 28, 2012*

**Factor Theorem(Math)**

Why is x-1 not a factor of f(x)= 4x^3+8x^2+x-3?

*May 27, 2012*

**Math**

A 3m tall post casts a shadow 2m long . If a tree casts a shadow 9m long at the same time how tall is the tree ?

*May 22, 2012*

**pre calc**

log(x^2+2x-3/x^2-4)-log(x^2+7x+6/x+2)

*May 22, 2012*

**Chemistry help please?**

order these highest PH to the lowest PH Ca(OH)2(aq) HCN(aq) NH3(aq) LIOH(aq) HCI(aq)

*May 20, 2012*

**Math Help!!**

Solve 2x-y-5z=1 x+2y+3z=9 3x+6y+z=11 2x-3y=-13 -5x+2y=16

*May 17, 2012*

**Math**

1) Matt traveled the first leg of his trip for 1350 miles on a large jet. He then traveled an additional 600 miles on a private plane to reach his destination. If the speed of the jet was three times the speed of the plane and the total time in the air was 6 hours determine ...

*May 17, 2012*

**Math**

The average of to consecutive Even integers is 17. Find the largest of the four integers ?

*May 16, 2012*

**Math**

Um... 365+365?!

*May 15, 2012*

**physics**

How did you get F12 and F13 ??

*May 15, 2012*

**Math**

Johnsons accumulated a nest egg of $40,000 to use as down payment toward a new home. Present gross income has them in high tax bracket, decided to invest min $2400/month in payments (for tax break). Financial obligations cannot exceed $3000/month. If local mortgage rates were ...

*May 15, 2012*

**Math**

Johnsons accumulated a nest egg of $40,000 to use as down payment toward a new home. Present gross income has them in high tax bracket, decided to invest min $2400/month in payments (for tax break). Financial obligations cannot exceed $3000/month. If local mortgage rates were ...

*May 15, 2012*

**Math**

Sarah secured a bank loan of $200,000 for the purchase of a house. The mortgage is to be amortized through monthly payments for a term of 15 yr, with interest rate of 6%/year compounded monthly on the unpaid balance. She plans to sell her house in 5 yr. How much will Sarah ...

*May 15, 2012*

**math**

a small plane sitting on a runway 5 miles west and 2 miles north of town is scheduled to fly to a second runway 17 miles east and 25 miles north of the same town. to the nearest mile, what is the distance between the two runways

*May 14, 2012*

**solid geometry...**

find the area of the earth's surface within the Arctic Circle; that is, in latitude north 66° 32' N. thank you! :D

*May 12, 2012*

**solid mensuration? help.**

Window glass formerly was made by gathering a lump of molten glass on the end of a hollow rod blowing it into the form of a large hollow cylinder about 6 ft. long and 1 1/2 ft. in diameter. This was cut longitudinally and then placed in an oven and heated until it softened, ...

*May 12, 2012*

**solid mensuration**

the area of the total surface of a polyhedron weighing 64 lb. is 340 sq. in. what is the surface of a similar polyhedron made of the same material and weighing 1000 lb. ? thank you!!

*May 12, 2012*

**History**

Maria<3 yes, that does count. They do use dark colors on pottery to make it stand out. They want people to be able to tell the differences between their pottery and another native american group. It is actually a really unique way for them to stand out. Welcome!

*May 11, 2012*

**math**

the area of the total surface of a polyhedron weighing 64 lb. is 340 sq. in. What is the surface of a similar polyhedron made of the same material and weighing 1000lb. ?

*May 7, 2012*