isabella

Most popular questions and responses by isabella
1. Physics

During a baseball game, a batter hits a high pop- up. If the ball remains in the air for 6.0s, how high does it rise? Hint: calculate the height using the second half of the trajectory

asked on September 19, 2012
2. science

Tom is marking the locations of active volcanoes on a world map. Explain how the locations of the volcanoes are related to Earths plates. can you please explain this to me, I don't understand....thx

asked on February 9, 2017
3. Math

Using 6 as one of the numbers, write a fact family with only two facts. 6 x 7=42 42/7=6 Is correct my answer?

asked on May 16, 2012
4. Algebra

Write an expression that is equal to 3x2 1/4

asked on January 14, 2017
5. Algebra

The formula C = 5/9(F-32) can be used to convert Fahrenheit temperatures to Celsius temperatures. a. Gold is liquid for Celsius temperatures C such that 1063 degrees (less than or equal to) C < 2660 degrees. Find a comparable inequality for Fahrenheit

asked on January 27, 2009
6. math

Manny makes dinner using 1 box pasta and 1 jar of sauce. If pasta is sold in packages of 6 boxes and sauce is sold in packages of 3 jars what is the least number of dinners that Manny can make without any leftovers?

asked on December 21, 2014
7. Physics

1. How does displacement change with time for a falling object? How might you describe the mathematical relationship between the distance and time of a falling object? Explain the answer using your data, graphs, and kinematic equations.

asked on January 15, 2013
8. CHEMISTRY

Hello there! I was wondering if you could check my answers for me? I was having trouble and I finally understand. 1. Indicate the oxidation number of carbon and sulfur in the following compounds. A) CO= +2 C) Na2CO3= +4 E) CH4= -4 G) SO2= +4 I) Na2SO4= +6

asked on September 9, 2015
9. chem-Am I Right????

For 0.10 M ZnCl2 and 0.10 M KAl(SO4)2, find:? a) spectator ions (if any) b) ions expected to hydrolyze (if any) c) net ionic equation for hydrolysis d) expression for equilibrium constant (Ka or Kb) e) value of Ka or Kb My answers are: a) Cl- ; K+ ; SO4^2-

asked on October 19, 2010
10. Math

Addison is making caramel apples. She has 2 1/2 bags of apples. One full bag has 8 apples, and each apple weighs 5 ounces. Write an expression that could be used to find the total number of ounces of apples Addison has. Then find the total number of

asked on January 21, 2015
11. Social Studies

"Explain how transportation innovations of the time period affected migration in the U.S" This question is really confusing to me and I need help wording it :-)

asked on January 16, 2017
12. math

use the number 913,256 write the name of the period that has the digits 913

asked on August 21, 2014
13. Calculus

Use a Linear Approximation to estimate sin(64∘)−sin(60∘)≈

asked on November 5, 2017
14. math

A rectangular park has an area of 6 square miles. The width of the property is 3/8 the length of the property. What is the width of the property?

asked on March 21, 2012
15. Algebra

A restaurant bill of \$2.85 was paid using quarters and dimes only. If twice the number of quarters is 6 less than 4 times the number of dimes, how many quarters were used?

asked on February 19, 2019
16. geometry

The endpoints of line segment MN are M (-3,-9) and N (4,8). What is the approximate length of line segment MN??

asked on August 30, 2011
17. Chemistry

Hello there! I was wondering if you could check my answers for me? I was having trouble and I finally understand. 1. Indicate the oxidation number of carbon and sulfur in the following compounds. A) CO= +2 C) Na2CO3= +4 E) CH4= -4 G) SO2= +4 I) Na2SO4= +6

asked on September 9, 2015
18. Algebra 1 (HELP PLEASE!!)

Can you please tell me the roster form and set-builder notation for: N is the set of real numbers that are factors of 12

asked on September 25, 2011
19. math

An equation is shown below: 3 over 2 multiplied by x plus 7 over 2 equals 2 to the power of x What is the solution to the equation A.X=1 B.X=3 C.X=5 D.X=8 I think it could be d

asked on December 8, 2015
20. English

Reread the following paragraphs from King's letter, paying attention to the way that he structures his ideas: Paragraph 2 of 12 In any nonviolent campaign there are four basic steps: (1) Collection of the facts to determine whether injustices are alive;

asked on December 4, 2015
21. Math

Which is greater: three sets of (5 - 2) or two sets of (2 + 3)? Draw diagrams to support your conclusion.

asked on March 12, 2015
22. Math

Multiplication is defined as repeated addition. Use the word repeated to define exponential form. Justify your reasoning.

asked on January 17, 2015
23. physics

A 0.2 kg sponge is dropped from rest , pulled down by gravity. How fast will it be traveling in 6.0s , if a 0.5 N force of air resistance acts on it

asked on March 28, 2012
24. Math

a truck can be rented from company A for \$100 a day plus \$0.60 per mile and company B charges \$50 a day plus \$0.80 per mile to rent the same truck. Find the number of miles in a day at which the rental costs for company A and B are the same.

asked on October 4, 2014
25. Math

He said it to his brothers he said it to his sisters what did the witty raindrop exclaim to all the others??????

asked on October 24, 2012
26. English

How does Hamlin Garland's "The Return of a Private" exemplify the characteristics of regionalism?

asked on November 14, 2014
27. Math

how to explain to my child this math problem : davia draws a shape with 5 sides .Two sides are each 5 inches long . Two other sides are 4 inches long.The perimeter of the shape is 27 inches . What is the length of the fifth side?

asked on March 18, 2014
28. Calculus

A conical tank has height 3 m and radius 2 m at the top. Water flows in at a rate of 1.8m^3/min. How fast is the water level rising when it is 2.7 m?

asked on November 5, 2017
29. Biology

What type of cell does our brain use to control muscle movement? A)sensory neurons B)retinas C)synapses D)motor neurons I think the answer is D, but I'm not 100% sure.

asked on February 16, 2014
30. math

A race car has a top speed of 330 km/hr. What speed is that in miles/sec?

asked on October 24, 2018
31. math

write a subtraction problem that has a difference of 1/6.

asked on January 24, 2012
32. Chemistry

Data Electrodes: V Electrolyte: V(NO3)2 Amps: 6.0 Time (mins): 800 1. Calculate the charge in coulombs that passes through the cell during electrolysis. 2. What is the anode and cathode reaction of this cell? 3. Calculate the mass of metal deposited on the

asked on March 24, 2019
33. US History

18. Which U.S. president made the following proposal? "A general association of nations must be formed under specific covenants for the purpose of affording mutual guarantees of political independence and territorial integrity to great and small states

asked on December 18, 2012
34. Algebra 1

A football team has three 15-yard penalties. What real number describes the change in yardage from these penalties?

asked on September 7, 2011
35. Álgebra

Matt cut a circle into 8 equal sections. He drew an angle that measures the same as the total measure of 3 of the sections in the circle. What is the measure of the angle Matt drew?

asked on February 22, 2017
36. Math

Will, Micah, and Sue went to dinner. Will paid 1/3 of the dinner bill. Micah and Sue paid in the ratio 2:5. If Sue paid \$6 more than will, how much di the dinner cost?

asked on February 1, 2015
37. math

Writing to Explain If you know that 7 x 8 =56, how can you use the Commutative Property of Multiplication to find the product of 8 x 7?

asked on October 26, 2011
38. Math

Find the 8th term of an exponential sequence whose first term is 3 and whose common ratio is 2

asked on March 1, 2016
39. chemistry

To make a phosphorus fertilizer, agricultural companies use the following reaction: Ca3P2O8 + 2H2SO4 --> CaH4P2O8 + 2CaH4SO6 (fertilizer) If 1.50 * 10^4 grams of H2SO4 are reacted with excess Ca3P2O8 and H2O, how many grams of fertilizer can be made? Hi, I

asked on November 29, 2014
40. utah state history

Please help Fill in the blank 1.The (blank) settlers were the first ones to develop agricultural practices that were adapted to the arid west. 2.The invention of the (blank) made it possible for farmers to farm much bigger plots of land. 3.The practice of

asked on April 21, 2016
41. math

everyday when lisa returns from school she puts her change from buying lunch into a jar on her hair dresser. this weekend she decided to count her savings. she found that she had 72 coins all nickels and dimes. the total amount was \$4.95. how many coins of

asked on March 6, 2012
42. physics

A block of wood of mass 6.0 kg slides along a skating rink at 12.5 m/s^2 [w] . The block slides onto a rough section of ice that exerts a force of 30 N force of friction on the block of wood. The acceleration of the block of wood is 5.0 m/s^2 [E] and it

asked on March 27, 2012
43. Physics

1. How does displacement change with time for a falling object? How might you describe the mathematical relationship between the distance and time of a falling object?

asked on January 15, 2013
44. math

How many 1/4 pound burgers can be made from 2 1/2 pounds of beef?

asked on December 4, 2013
45. physics

A fully loaded Saturn V rocket has a mass of 2.92*10^6. Its engines have a thrust of 3.34*10^7 N What is the unbalanced force of gravity on the rocket at blast off What is the unbalanced force on the rocket at blast off

asked on March 28, 2012
46. Social Studies

What is the national bird of Cameroon?

asked on November 29, 2007
47. Chemistry

2C10H22 + 31O2 = 20Co2 + 22H2O What kind of reaction is this?

asked on February 19, 2012
48. Physics

1. A steam engine converts 150 kg of water completely to steam. The process involves transfer of 4 x 10^8 J as heat. If steam escaping through the safety valve does 2 x 10^8 J of work against outside atmosphere, the net change in the internal energy is: a.

asked on December 21, 2015
49. language

what is the literary device used in the statement? former indonesian president suharto was sometimes referred to as a puppet master.

asked on September 5, 2012
50. Home Economics

1. How can disposal of fullness be done on the sleeve head?

asked on March 24, 2014
51. chemistry

Calculate the mass of ethanol that must be burnt to increase the temperature of 150g of water by 75 degrees celsius, if exactly 75% of the heat released by this combustion is lost to the surroundings. Also it is given that the heat of combustion of ethanol

asked on February 7, 2015
52. Math

a truck can be rented from company a for 100 a day plus 0.60 per mile and company b charges 50 a day plus 0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and b are the same. Please answer in

asked on October 7, 2014
53. Help!!!

An electric field of intensity 4.27 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m long if the following conditions are true. (a) The plane is parallel to the yz-plane. (b) The plane is

asked on January 19, 2012
54. math

Karen says, "When I have a factor with exactly 2 zeros at the end, my answer will always have 2 zero at the end." Do you agree? Explain. Thanks

asked on November 3, 2011
55. Algebra 1

Find all values of k so each trinomial can be factored using integers. 3s^2 +ks - 14

asked on June 26, 2011
56. utah state history

fill in the blank 1.The (blank) settlers were the first ones to develop agricultural practices that were adapted to the arid west. 2.The invention of the (blank) made it possible for farmers to farm much bigger plots of land. 3.The practice of (blank) made

asked on April 13, 2016
57. physics

You are driving down the road and hit a bump which causes your fishing tackle box to bounce out of the bed of your pickup. The box decelerates at a rate of 3 m/s¶ and skids 24 meters before coming to a stop. How fast were you traveling when the box fell

asked on February 3, 2014
58. math

how many different rectangles have an area of 5 square units?

asked on February 14, 2013
59. physics!!!

An electric field of intensity 4.27 kN/C is applied along the x-axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m long if the following conditions are true. (a) The plane is parallel to the yz-plane. (b) The plane is

asked on January 20, 2012
60. Spanish

Enter the correct conjugation of the "-ar" verb for each sentence: 1. Tú y yo _____ cuadernos nuevos. (necesitar) 2. ¿_____ ustedes los nombres de mis amigos? (olvidar) 3. Nicolás _____ un regalo a su abuela. (presenter) 4. Yo _____ a Dios. (alabar)

asked on January 31, 2011
61. algebra

Find the pattern and fill in the missing entries. in(x) | out(y) | 23 2 | 8 -2 | -4 8 | 26 0 | ? ? | 302 1.5 | ?

asked on October 26, 2016
62. math

if sue has 27 coins in all, totaling 2.10, of only dimes and nickels, and there are more dimes, how many more dimes than nickels does she have?

asked on September 5, 2012
63. math

Helga's summer job put her in charge of the local soccer and basketball programs. To get ready, she ordered 50 balls, making sure there were 10 more soccer balls than basketballs.

asked on September 7, 2016
64. physics

A block of wood of mass 6.0 kg slides along a skating rink at 12.5 m/s^2 [w] . The block slides onto a rough section of ice that exerts a force of 30 N force of friction on the block of wood. The acceleration of the block of wood is 5.0 m/s^2 [E] and it

asked on March 27, 2012
65. physics

A certain string breaks when a force of 225 N is exerted on it. If two people pull on opposite ends of the string , each with a force of 175 N , will the string break? What actions reaction pairs of forces would be involved?

asked on March 26, 2012
66. Math

Marty ate 1/4 of a pizza. Rob ate 1/5 of a pizza. How could Rob have eaten more pizza than Marty?

asked on February 2, 2012
67. Social Studies

Document Based Question Essay Question: The debate over the extent of federal power with regard to the states dominated the political scene the first twenty years of the post-Revoluntionary War United States and would set the stage for future division

asked on February 23, 2011
68. Calculus

Let f(x)=sqrt(x+2) and use the Linear Approximation to this function at a=14 with Δx=0.3 to estimate f(14.3)−f(14)=Δf≈df=

asked on November 5, 2017
69. Math

Gabriel has read 150 pages of a 236 page book.If he reads 9 pages a day, in how many days will he finish the book?

asked on January 31, 2017
70. Math

Celeste multiplied 44 x 5 =202. Is her product reasonable?Explain why or why not?

asked on April 25, 2012
71. Algebra 1

Can anyone help me with this two-step equation: 10=0.3x-9.1

asked on October 29, 2011
72. water vapor

When the weather is hot, and the inside of the house is cold, why do droplets of water form on the windows? Do they form on the outside or inside of the windows? Thanks. Water droplets form because of condensation. Here is a site that that talks about

asked on April 23, 2007
73. English

Rewrite each of the following sentences so that related ideas are expressed in similar or parallel structures. 1.)People differ in their fingerprint patterns, in how they talk, and in their dental patterns. 2.)Computers are used to analyze voice patterns,

asked on March 7, 2012
74. Math

Sandra was thinking of a quadrilateral. All 4 sides are the same length and are parallel. There are 4 right angles. Which quadrilateral is she thinking of?

asked on February 9, 2012
75. AP United States History

Instructions: Use the following documents (most) and your knowledge of the period to answer the question. Question: Evaluate the following statement: "By the time of Abraham Lincoln's election in November of 1860, there was significant support in the North

asked on March 23, 2011
76. math

q = 200 − 5 p What is the (instantaneous) rate of change of revenue with respect to price when the price is \$ 12? At what price is the derivative of revenue with respect to price exactly zero?

asked on October 13, 2010
77. statistics

The weight of a product is normally distributed with a mean of 4 ounces and a variance of .25 "sq ounces." The company wants to classify the unit as a scrap in a maximum of 1% of the units if the weight is below a desired value. Determine the desired

asked on June 28, 2012
78. Maths

Find the largest no that divides 630 and 940 leaving reminders 6 and 4 respectively

asked on June 6, 2017
79. The Open Boat (Short Story)

Who is the narrator of The Open Boat? A) The oiler B) The captain C) The correspondent D) The cook I think it's the correspondent, but I'm not sure. Someone help, please?

asked on April 6, 2014
80. Florida studies weekly

why can't we fnd many of the remains of the spanish missions in florida this period?

asked on October 24, 2009
81. Calculus

For the function below, determine the intervals of concavity: f(x)=xlnx I tried doing it but the second derivative would always be f''(x)=1/x, so it would be concave up at x>0 and concave down at x

asked on January 10, 2016
82. Math

Sara has some fish,2 birds, and 5 hamsters.she has 6 fewer hamsters than fish. How many fish does she have?

asked on October 20, 2015
83. math

A cookie recipe calls for 2 1/4 cups of flour. If Gustavo wants to make 1 1/2 times the recipe, how much flour does he need? 2 1/4 + 1 1/2 9/4 + 3/2 * 2 9/4 + 6/4 = 15/4 = 3 3/4 Is correct?

asked on December 4, 2013
84. Calculus..

5. Eliminate the parameter and write the corresponding rectangular equations: x=3-2sin theta and y=1+5 cos theta

asked on July 3, 2012
85. Algebra 1

A beauty salon buys bottles of styling gel for \$4.50 per bottle and marks up the price by 40%. For what price does the salon sell each bottle?

asked on September 14, 2011
86. algebra

The United States Department of Agriculture reported in Vegetables and Melons Outlook in 2007 that the average America consumes about 7.4 x 10^3 potato chips in a year. Since Idaho had about 1.5 x 10^6 people in 2007, how many potato chips would Idaho

asked on October 8, 2016
87. Calculus

For the following function, find the relative max's or min's using any method. I'm having a hard time finding the critical points...

asked on January 10, 2016
88. social studies

in which cultural region is Shreveport located ? a) cajun country b) crossroads c) plantation country d) sportsmans paradsise

asked on September 20, 2013
89. physics

Using newtons third law of motion, and action reaction pairs explain the following situations A person with ordinary shoes is able to walk on a sidewalk A rocket accelerates in the vacuum of outer space Thanks for the help, any would be great!

asked on March 26, 2012

A company is considering a \$250 million investment in land that it will hold for 25 years. The pretax net cash flows are \$40 million per year and land prices are expected to rise at a rate of 7% per year. The opportunity cost of capital is 13%, inflation

asked on February 4, 2007
91. Maths

Find the largest no that divides 630 and 940 leaving reminders 6 and 4 respectively

asked on June 5, 2017
92. Algebra

LS 154. Find the measure of angle x. Identify the two angles that form the larger angle. 2 Write a subtraction equation. Subtract to find the measure of x. The measure of x

asked on March 1, 2017
93. math

please help im stuck 8. Use the function rule f(x) equals three x minus 2. Find the output f(one point 5). (1 point)2.5 –2.5 6.5 –6.5

asked on May 12, 2014
94. social studies

1. Under which cultural element would zydeco be categorized ? a) religion b) food c) music d) dance What did the earliest festivals celebrate ? a) harvests b) music c) native foods d) religious ceremonies

asked on September 20, 2013
95. math

To estimate how many more people live in Atherton than Needles, which is closer to exact answer: rounding to hundreds or thousands? Explain. Artherto 7,127 Needles 5,346

asked on October 18, 2011
96. Earth/Space Science

Some scientists have hypothesized that meteorites have periodically bombarded Earth and caused mass extinctions every 26 million years. How might this hypothesis be tested?

asked on September 13, 2011
97. Algebra 1

Two musical notes played at the same time produce harmony. The closest harmony is produced by frequencies with the greatest GCF. A,C,and C sharp have frequencies of 220,264,and 275, respectively. Which pair of these notes produces the closest harmony?

asked on June 26, 2011
98. science

Describe the benefits of the human genome project.

asked on August 12, 2009
99. Calculus Applied Integrals

A cylindrical tank of 22.1m high with radius 12.2m is filled to 10m high with water. How much work must be done to pump all the water out of the tank? (density of water is 1000\ kg/m^3) I used similar triangles somewhere in my calculations to find the

asked on March 24, 2016
100. Calculus Derivatives

Determine the concavity of f(x)=xlnx I end up with F''(x)=1/x, where it would be concave up when x>0 and concave down when x

asked on March 5, 2016

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