# Questions Asked onDecember 14, 2016

1. ## Science

Which of the following could be true of two different species that have a competitive relationship in the same ecosystem? A: one species preys on the other B:they share the same niche C:one species benefits while the other is neither helped or harmed

2. ## Social Studies

How did the Americans disagree over the role of federal and state governments before and during the civil war?

3. ## Language Arts

In "Life Without Gravity," the author provides many ideas and details about living in microgravity. What do you consider the most important idea in "Life Without Gravity"? In an essay, describe the idea you think is most important and explain its

4. ## language arts

this question is from "The Watsons go to Birmingham- 1963" Read the following quote from Byron to Kenny from Chapter 15. “Today is the day you check out of the World-Famous Watson Pet Hospital. Don’t let me catch you back there no more. You ain’t got

5. ## socialsss

what did the qin emperor build to make china's defence stronger

6. ## Math

1. A cone has a radius of 40 cm and a volume of 1875 cm^3. what is the volume of a similar cone with a radius of 16 cm. A: 120 cm^3 B: 300 cm^3 C: 75 cm^3 D: 750^3 I know the answer is A but could someone explain how to do the problem.

7. ## Social Studies

In the text, you read this about states' rights in the Confederacy: The South also had political problems. The Confederate constitution favored states' rights and limited the authority of the central government. As a result, the Confederate government

8. ## Social Studies

1.Diversity most closely means (1 point) A. Sharing cultural traits and practices with others. B. Making up a whole of many different parts. ** C. being a member of a small ethnic group. D. Having many similar regions next to one other. 2. How does life in

9. ## algebra

why is the alphabet shorter at christmas time

10. ## Science 6

In an island ecosystem, Fox and Skunks both hunt mice and toads. Which of the following correctly describes some of these relationships? A:Skunks and mice have a competitive relationship. B:Skunks and toads have a predator-prey relationship. C:Fox and

11. ## SS PLEEESSEE HELLP

Why are banks important to producers? (1 point) Bank loans allow more people to buy products and homes. Savings accounts allow a way to make interest off profits. Checking accounts give a way to take payments from customers. Credit cards give producers

12. ## American Government

in the case of schenck vs united states justice oliver wendell holmes jr wrote: "the most stringent protection of free speech would not protect a man in falsely shouting fire in a theatre and causing a panic." this is an example of what kind of rights? a.

13. ## Science

Every year Eli and his family visit Great sand dunes desert in Colorado. Elliott notices that more dunes with varied shapes and sizes appear each year. Explain what causes this phenomenon. Help! I know that the wind is always different and that causes

14. ## Geometry

Please help 1. If segment LN is congruent to segment NP and ∠1 ≅ ∠2, prove that ∠NLO ≅ ∠NPM: Overlapping triangles LNO and PNM. The triangles intersect at point Q on segment LO of triangle LNO and segment MP of triangle PNM. Hector wrote the

15. ## Math | Algebra

Brand A granola is 25​% nuts and dried fruit and brand B granola is 20​% nuts and dried fruit. How much of sweet item A and sweet item B should be mixed to form a 20-lb batch of sweets that is 23​% nuts and dried​ fruit?

16. ## Math

Hi can someone please help me? A recent study gave the information shown in the table about ages of children receiving toys. The percentages represent all toys sold. Age (years) Percentage of Toys 2 and under 3-5 6-9 10-12 13 and over 17% 19% 24% 13% 27%

17. ## MATH

Name the quadrilaterals that have four equal angles. A. rhombus, square B. Square, rectangle C. parallelogram, rhombus D. rhombus, trapezoid My answer B

18. ## Algebra

How is using a conversion factor different from using proportions to convert measurement units? Explain which is easier and why.

19. ## Science

Carla applied a force of 35 N to a wheelbarrow full of bricks and moved it 2.5 m. Which of the following can be determined from this information? The wheelbarrow supplied 87.5 J of work. The wheelbarrow has a mechanical advantage of 14. The wheelbarrow is

2.) Maximizing revenue: The quantity demanded each month of the Sicard wristwatch is related to the unit price by the equation p=50/0.01x^2 + 1 (0 < or = x < or = 20) where p is measured in dollars and x is measured in units of a thousand. To yield a

21. ## Math

In 2000, the population at Arlington middle school was approximately 421 students. In 2010, the population was approximately 584 students. Find the percent of change in the population at Arlington middle school from 2000 to 2010 and identify it as an

22. ## Math

Brian was training to run a marathon. During the three day period before the race he decided he would train for 11 hours. If he trained for 2 3/5 hours first day and 2 9/10 second day, how many hours would he need to train third day. This is the question I

23. ## Social Studies

After the Dred Scott decision, Frederick Douglass said he sought to have Americans live up to the principles of the Constitution. What did he believe prevented Americans from living up to the Constitution? manifest destiny abolition (my answer) popular

24. ## Math

A basket with 30 pears has a weight of 11 kg 200 g. The same basket with 18 pears has a weight of 7kg. if each pear has the same weight: What is the weight of the empty basket? What is the weight of the basket with 7 pears?

25. ## algebra

1 simplify the radical expression. √50 a 5√2 b2√5 c5√10 d5 2 simplify the radical expression √180x^2

45. ## OOPS ONE MORE

How do personal savings contribute to the economy? (1 point) They increase the amount of money banks can invest in stocks and bonds. They increase the amount of money banks can loan to individuals and businesses. They allow consumers to invest in different

46. ## algebra

Please show me how to put this number in scientific notation. 3.000052 Thank you.I appreciate your help.

47. ## CAN A TUTOR HELP ME WITH THIS PROBLEM PLEASE!

A certain virus infects one in every 600 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus and 10% of the time if the person does not have the virus. Let A be the event "the person is infected" and

48. ## Math

A population grows exponentially at a rate of 2.6% per year. How long will it take for the population to triple?

49. ## Math

The length of a picture frame is (8u - 12) inches. Its width is 3/4 of its length. Express the width of the picture frame in terms of u.

50. ## Geography

Which of the following are true of Barcelona? (more than one answer) Catalán is spoken there.*** It is one of the major ports of Europe.*** It is noted for its famous artists.*** It has the best Renfe station in Spain. Am I right? Thanks!

51. ## English

1. I prefer to play soccer with them. 2. I prefer playing soccer with them. (Are both grammatical?) 3. I prefer spring to fall. 4. I prefer palying tennis outdoors to reading books indoors. 5. I prefer to swim rather than read a novel. 6. I prefer to swim

52. ## HELP!

Earth's inner core exists at temperatures as high as 7000oC. It exists as a _______ due to the _________. A) solid; high pressure B) liquid; high pressure C) solid; high temperature D) liquid; high temperature

55. ## maths

Sule,Tayo and Uche agreed to share the expenses for an evening out in the ratio 2:3:4 respectively.Sule paid #2030 for the taxi,Tayo paid #4900 for the food and Uche paid #3150 for the cinema.How much should Sule and Uche pay Tayo to settle their agreed

56. ## precalculus

Find the polar equation r=8cos3theta, find the maximum value of lrl and any zeros of r. Verify your answers numerically. |cos3θ|

57. ## precalculus

Find a quadratic model for the sequence with the indicated terms. 3, 3, 5, 9, 15, 23, ...

58. ## Math

Find the lower, upper and interquartile range 20,22,25,28,29,30,32,33,34 Math is not my best subject.

59. ## Health

In some cultures, people choose not to eat any type of animal products. How might these people get the protein they need? A)fruits that have a pit-mangos, avocados, apricots, and peaches B)lots of green leafy vegetables**** C)nuts, dried beans, dries peas

3.) The demand equation for a certain product is q=500-40p+p^2 where p is the price per unit (in dollars) and q is the quantity of units demanded (in thousands). Find the point elasticity of demand when p = 15. If this price of 15 is increased by Â½%,

61. ## History

The Federalists and the Democratic-Republicans emerged as separate political parties partly as a result of disagreement over

64. ## Math

Shade the rectangle in this shape that is 5inches long and 2 inches wide. What is the area of this rectangle

110. ## English

1. She said to me that she was waiting for Tom. 2. She told me that she was waiting for Tom. -------------------------------- Is #1 incorrect?

111. ## science

what fabric is a good heat conductor? or what material other than metals are good heat conductors?

112. ## precalculus

can you check my answers? Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. answer: 1 Find first differences for the sequence in order from a1 to a5. Determine whether or not the series is quadratic or not. -1, -3, -1, 5, 15 answer:

2/9x3

114. ## english

You will come to school. OR you will come school.

115. ## Math for Claire

My granddaughter's homework asks to: Subtract. Show new groups. 1. 3146-1960 What does that mean...new groups?

116. ## precalculus

sketch the curve represented by the parametric equations. Then eliminate and write the corresponding rectangular equation whose graph represents the curve. x=(√t^2+2) y=t/4

117. ## One step inequalities

Unknown number decreased by 9 is at most 27

118. ## Science

How much you would weigh on the moon if you are 72 pounds on Earth

119. ## precalculus

find Pk + 1 if Pk=2K-1/k!

120. ## Calc 2

Find the area of the surface generated when y=4x and x=1 is revolved about the y-axis.

121. ## algebra

The sum of the two numbers is 71. One of the numbers is 24 less than four times the other number. What are the two numbers I am thinking of?

122. ## Chemistry

what are atoms of nitrogen with different numbers of neutrons called?

123. ## maths

a piece of land has a perimeter of a regular pentagon. The perimeter of the land is 2510m. calculate the length of one side of the land

124. ## English

I am going to be writing a persuasive essay on the quote, "A closed mind is like a closed book: a block of wood" is true. I am also meant to try to respond to a counter argument that could be made against the quote. But,

125. ## Probability

How many three digit number can be made with three 4's , four 2's and two 3's?

126. ## math

If I have a 76% average, how many A's do I need to get to have at least a 81% average?

127. ## Math

What is 3/5 of 25?

128. ## precalculus

can you check my work? Solve the system of equations at the right by the method of substitution. Verify your results by using a graphing utility. x^2+y^2-4x+6y-5=0, x+y+5=0 x=-y-5 (-y-5)^2+y^2-4(-y-5)^2+6y-5=0 y=√5-5, y=-5-√5 x+√5-5+5=0 x=-√5

129. ## maths

A restaurant has tables that can seat either 4 or 7 persons. there are 12 four seaters and 8 seven seater tables. a) what is the largest number of persons that can be seated if all the four seater tables only are occupied? b) 83 persons are to be seated

130. ## Math

Sharon had 3/4 cubic yard of mulch in her garden. How much(how many cubic yards) mulch did she have left?

131. ## precalculus

can you check my answers? Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k - 1)+1] + (6k + 1) 7 + 13 + 19 + …+[6(k - 1) + 1] + (6k + 1) + [6(k + 1) + 1] 8 + 14 + 20 + …+[7(k - 1) + 1] + (7k + 1) 7 + 13 + 19 + …+(6k + 1) 7 + 13 + 19 + ...+[6(k - 1) + 1] +

132. ## precalculus

Are my answers correct if not which are right? Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. 1 2 3 5 answer:a Find first differences for the sequence in order from a1 to a5. Determine whether or not the series is quadratic or not.

133. ## math

a large pie was cut into 12 pieces 2/6 of The Pie was eaten how much is left over?

134. ## precalculus

sketch the curve represented by the parametric equations. Then eliminate and write the corresponding rectangular equation whose graph represents the curve. x=(√t2+2) y=t/4

135. ## Algebra

if 15's student said in a survey that pizza was their favorite food how many students are in the entire class if it was 3/5 of the class?

136. ## physics

What is mean by 28degree east of north

137. ## Math

It is required to seat 5 men and 4 women in a row so that the women occupy the Even place. How many arrangements are possible?

138. ## Math

Determine the probability of 3 sixes in 5 tosses on a fair die.

139. ## math

Write the dimensions of the following kitchen plan and find the area of its floor to be tiled presuming that the plan is drawn on dm-square grid

140. ## Math

What power output will be provided for an amplifier having a gain of 12dB if the power input is 75W?

141. ## Math

Solve for x: e^4x-3 = 2e^2x1 ln2x+6) - ln(3x-1) = ln(2) Then, simply the radicals

142. ## Math

The problem features this image, the URL is below. h t t p :/ / a s s e t s . o p e n s t u d y . c o m / u p d a t e s / a t t a c h m e n t s / 5 6 4 c 8 1 d b e 4 b 0 d 3 c 6 6 b 1 4 5 0 c f - j e w e l r y 0 2 - 1 4 4 7 8 5 5 1 0 9 5 6 7 - t r i 5 . p

143. ## physics

Explain why helicopters need 2 rotors to fly in a straight line.

144. ## Physics

What is the net force required to accelarate a 2000kg car to 6m/sec us equation F=ma

145. ## pure math

i) Expand (1-(x/2))1/5 ii)State the range of values of x, for which the expansion is valid

146. ## math

a beverage bottle can hold 750 milliliters of liquid, and one liter is equal to 1000 milliliters. what percent of a liter can the bottle holds

147. ## precalculus

Find a quadratic model for the sequence. -4, -4, -3, -1, 2

148. ## English

1. She didn't need to leave early. 2. She didn't have to leave early. 3. She needed not leave early. ------------------------------ Are they all the same in meaning? What is the difference in meaning if any?

149. ## Math

A student has to score minimum of 40% to pass an exam .if student gets 178 marks and fails the exam by 22 marks, what is the total marks?

150. ## precalculus

Solve the system of equations at the right by the method of substitution. Verify your results by using a graphing utility. x2+y2-4x+6y-5=0, x+y+5=0 answer: x=-y-5 (-y-5)2+y2-4(-y-5)2+6y-5=0 y=√5-5, y=-5-√5 x+√5-5+5=0 x=-√5 x-5-√5+5=0 x=√5

151. ## algebra

Will you show me how to put this number in scientific notation. 5,100,000 Thank you.

152. ## Calc 2 Urgent Surface Area of Revolution Question

Find the area of the surface generated when y=4x and x=1 is revolved about the y-axis. We have to use the surface area formula of revolution. Integral (2pi*f(x)sqrt(1+f'(x)^2))dx

153. ## maths

20% of the sandwiches in a restaurant had fish. 1/4 had cheese and the remaining 77 had vegetables. a) what decimal fraction of the sandwiches had vegetables? b) How many sandwiches were in the restaurant? c) How many more cheese sandwiches than fish

154. ## Math

If an investment grows 75% in 4 years, what annual compound interest rate, compounded annually, is being earned?

155. ## English

1. Jake said, "I didn't like baseball when I was young." - dirct narration - 2. Jake said that he hadn't liked baseball when he had been young." - indirect narration - -------------------------------- Is the indirect narration correct?

156. ## precalculus

can you check my work? In exercises 10-12, sketch the curve represented by the parametric equations. Then eliminate and write the corresponding rectangular equation whose graph represents the curve. 10. x=t2-6 y=1/2t-1 answer: t=2y-6= (2y+2)2-6 =4y2+8y-2

157. ## Math

It takes 5 people 3 days to put up a fence? How many days would 3 people take?

158. ## Math

A rectangles length and width are in a ratio of 17:2. The area is 136 square yards. What are the length and width. Have no idea how to even start to work this problem other than 17L X 2w= 136

159. ## Maths algebra

I wrote 47.235 as my answer then it asked me to use the calculator to find a complete answer.How I'm I suppose to do this. please I need help I got a test tomorrow. Thank-you.

160. ## English

Who is miss Lucas and Mrs Hurst in pride and prejudice?

161. ## Math

If -272° c is changing at a steady rate for 25 minutes how much would the temperature change each minute

162. ## MATH FOR LIBERAL ARTS

Estelle is 5.9 feet tall. Find her height in centimeters to the nearest to the nearest tenth.

163. ## Pre-calculus

The graph of [r = -5/(2 cos \theta + sin \theta)] is a line. Find the y-intercept of this line.

164. ## Pre-calculus

The graph of [r = -5/(2 cos \theta + sin \theta)] is a line. Find the y-intercept of this line.

199. ## math

What process would you use to convert a fraction to a lb. Would you take the fraction say 4/8 and make the pound 1/16 then add them together to get the total amount? I desperately need some help here. O_o

200. ## precalculus

Find Pk + 1 for the given Pk. Pk = 1 + 6 + 11 + … + [5(k - 1) - 4] + (5k - 4)

201. ## social studies

what did jeffersons and hamiltons feud cause

202. ## science

53.94 g of a substance of molecular mass 182 is dissolved in 1000g of water at this temperature.the vapour presser of water is 17.5 mmhg .calculate the vapour presser of this dilute solution

asked by calculate the vapour presser of dilute solution
203. ## precalculus

how do you sketch the curve represented by x=2+3cosθ y=2sinθ ?

204. ## math

determine the equation of the graph in the form y=acos(bx)