# Angelica

Most popular questions and responses by Angelica
1. ## math

a jar contains 26 fluid ounces of spaguetti sauce. How many cups of spaguetti sauce do 4 jars contain?

2. ## Music

How do i put graphic notation into a composition table ???????????? Thank you for using the Jiskha Homework Help Forum. Here is a site that even shows an example: http://www.upto11.net/generic_wiki.php?q=musical_notation

3. ## math

The product of two numbers is 88.The sum of two numbers is 26. What are the numbers?

4. ## SS

China's cities are growing rapidly due to A. a high percentage of arable land B. people moving there to look for work C. rural areas becoming too crowded D. the one-child policy I think it is B

5. ## Calculus

Find constants a and b in the function f(x)=axe^(bx)such that f(1/7)=1 and the function has a local maximum at x=1/7. a = b =

6. ## Physics

A 24g ball of clay traveling east at 3.3m/s collides with a 33g ball of clay traveling north at 2.4m/s . 1a)What is the movement direction of the resulting 57g blob of clay? 1b)What is the speed of the resulting 57g blob of clay?

7. ## Technical writing

Either Chris or the new employee ________ the mail before Dolores or Charles ________.

8. ## Precalculus

Suppose a pendulum is meters long. The time, , in seconds that it takes to swing back and forth once is given by t=2.01 square root L . If a pendulum is 10.24 meters long, how long does it take to swing back and forth once? Round your answer to the nearest

9. ## College Algebra

Jim wants to build a rectangular parking lot along a busy street but only has 2,700 feet of fencing available. If no fencing is required along the​ street, find the maximum area of the parking lot. I got the answer 911.25 which was incorrect I'm not sure

10. ## geometry

A man who is 6 feet tall is standing under a streetlight and casts a shadow on the sidewalk the man is standing 15 feet away from the 20-foot streetlight. How long is his shadow ,s ?

11. ## chemistry

N2(g) + 3H2(g) → 2NH3(g)+ 22,000 cal equals how much ΔH

12. ## Chemistry --really need help!

I am really struggling with these problems!! A reaction mixture that consisted of 0.20 mol N2 and 0.20 mol H2 was introduced into a 25.0 L reactor and heated. At equilibrium, 5.0% of the nitrogen gas has reacted. What is the value of the equilibrium

13. ## punctuation and grammar

My garden is full of water,because of yesterday's rain. Is this correct?

14. ## Anatomy

what is the white matter tracts in the ventral portion of the midbrain?

15. ## math

What is the area of the two-dimensional cross section that is parallel to the base of the cylinder, rounded to the hundredths place? Use. 3.14 for the value of pi. The radius is 5.2 m

Why do you think King George III refused to consider the colonist' Declaration of Rights?

Danielle has 18 marbles. All the marbles are either black or gold. There are 4 more gold marbles than black. How many black marbles are there.

18. ## Chemistry

1. A sample of oxalic acid (H2C2O4, with two acidic protons), of volume 46.56 mL was titrated to the stoichiometric point with 17.06 mL of 0.297 M NaOH(aq). What is the molarity of the oxalic acid? Answer in units of M. 2. What mass of the oxalic acid was

19. ## Trigonometry

An observer (0) spots a plane flying at a 55 degree angle to his horizontal line of sight.If the plane is flying at an altitude of 21,000 ft., what is the distance (x) from the plane (P) to the observer (0)

20. ## Chemistry

How many grams of NaCl are present in a 300 grams salt solution containing 9% NaCl ?

21. ## physics

The amount of energy needed to power a 0.10-kW bulb for one minute would be just sufficient to lift a 1.0-kg object through a vertical distance of

22. ## math

Explain how you know if a number can be divided by 10 evenly

23. ## Chemistry

A popular brand of automobile radiator antifreeze advertises that their product (ethylene glycol; C2H6O2) provides engine protection from temperatures of -64C to 135C when mixed with water in a 50%/50% mix. What is the boiling point elevation and freezing

24. ## Statistics

A researcher believes that the percentage of people who exercise in California is greater than the national exercise rate. The national rate is 20%. The researcher gathers a random sample of 120 individuals who live in California and finds that the number

25. ## physics

The National Transportation Safety Board is testing the crashworthiness of a new car. The 1.87 103 kg vehicle, moving at 11.3 m/s, is allowed to collide with a bridge abutment, being brought to rest in a time of 0.463 s. What force, assumed constant, acted

26. ## Science

Im having trouble with reading a chemical equation. ( Numbers on the right side of the element are subscripts ) A) 2SO2 + O2 +2H2O -> 2H2SO4 1. How many total molecules are represented? ( I m having trouble recognizing when it s a molecule or just an

27. ## American History

How did isolationist beliefs affect immigration policy during 1920s? Is nativism similar to isolationism? I only know how the nativist sentiment affected the immigration policy, but I don't know about the isolationist beliefs. Please explain. THANKS A LOT!

28. ## statistics

Pharmaceutical companies advertise for the birth control pill an annual efficacy of 98.6% in preventing pregnancy. However, under typical use the real efficacy is only about 95%. That is, 5% of women taking the pill for a year will experience an unplanned

29. ## English

The sentence is 'What we forgot to mention was that we will be moving in the spring.' I found a clause, it's a noun clause. It's 'that we will be moving in the spring.' I think it's being used as a direct object. We is the subject. Forgot is the verb. What

30. ## Chemistry

Benzene has a vapor pressure of 100.0 Torr at 26°C. A nonvolatile, nonelectrolyte compound was added to 0.309 mol benzene at 26°C and the vapor pressure of the benzene in the solution decreased to 60.0 Torr. What amount (in moles) of solute molecules

31. ## Economics

How to get annual interest cost?

I need help interpreting a quote...." in this world goodness is destined to be defeated ".

33. ## Math

how to estimate with 1-digit divisors

34. ## grammar

We just moved from Atlanta, Georgia, to 2716 Hickory Blvd., Austin, Texas. Is this sentence correct? I think it's not. I think the answer should be: We just moved from Atlanta, Georgia to 2716 Hickory Blvd. Austin, Texas. I don't think commas are needed

I don't understand how you do these 2 problems. (p-7)(p+8) & (-7+p)(8+p)

36. ## Chemistry

The initial pressure of BrCl(g) in a reaction vessel is 1.6 mbar. If the vessel is heated to 500 K, what is the equilibrium composition of the mixture? See this table for data on the reaction. P Br2 ? mbar PCl2 ? mbar P BrCl ? mbar

37. ## social studies

Name the middle colonies. Where were they located

38. ## college algebra

Use the associative law of addition to write an equivalent expression for (x+2)+y

39. ## Science

Im having trouble with reading a chemical equation. ( Numbers on the right side of the element are subscripts ) A) 2SO2 + O2 +2H2O -> 2H2SO4 1. How many total molecules are represented? ( I m having trouble recognizing when it s a molecule or just an

40. ## English

The is the sentence I'm uncertain about: These old journals are wonderful to learn what life was like a century ago. I know the infinitive is 'to learn.' I think it is being used as an adverb. It's modifying the adjective 'wonderful.' It's not a noun used

41. ## English

Hermit crabs rely on a supply of empty mollusk shells that they inhabit. What is the function of the relative pronoun in the clause 'That they inhabit'? A. Possessive B. Object of a preposition C. Direct object D. Subject I think it is either direct object

42. ## chemistry

Describe in detail, the steps a student needs to carry out to accurately obtain a 500 ml solution of .100 M HNO3 from a solution of 1M HNO3

43. ## economics

why was the federal reserve established ?

I'm having trouble with these 2 problems. (-7+p)(8+p) & (p-7)(p+8)

(-7+p)(8+p) I don't understand this at all.

(p-7)(p+8)

47. ## colloids example

what are the examples of suspension

48. ## english 8

could someone give me a metaphor which descrbes happiness

49. ## Math

The mass of the boulder is 48,567 kilograms.what is the mass of the boulder in metric tons?

50. ## Ethics and Communication

Hi, I'm in need of a topic to research having to do with an ethical dilemma within an organization. I got to relate it to ethical principles of communication from Immanuael Kant for example. The topic of choice should be a recent event or issue in the

51. ## solid mensuration

Pyramid with a rectangular base 6 cm and 8 cm, lateral face makes an angle of 30 degrees with the base. What is the altitude of the pyramid?

52. ## math

Find the equation of the tangent line to the graph of f(x) = 2x − 6/x + 1 at the point at which x = 0. (Let x be the independent variable and y be the dependent variable.) I got this question wrong. I thought the answer would be y=-4x-6 I followed the

53. ## Math

I know that I have to apply the product or quotient rules for these problems but I'm not sure why I'm getting them wrong. Please help me! Find the derivative: 1) f(x) = x^6/108 times (6 ln(x) − 1) I got: 6x^5 times 6 ln(x)-1 + x^6/108 times 6/x 2) f(x) =

54. ## math

Mike fills his car's tank up with 20 gallons of regular gas at \$2.09 per gallon. His car averages 25 miles per gallon. How many miles can Mike drive on a full tank of gas?

55. ## Chem

For a particular reaction H = -32 kJ and S = -98 J/K. a.At what temp will the reaction be at equilibrium? b.If the temperature is increased from the equilibrium temperature what will happen?

56. ## chemistry

What is the volume of CO2 at 25 degrees C and 1.3atm if 10.0g of Cburns at STP?

57. ## Science

The rest stops the driver made are included in the calculations because that is hoe the problem is defined. However, suppose the bus driver's manager wants to know the average speed at which the driver was actually driving the bus that day while he was on

58. ## math

Given: line nm is congruent to qr; angle m and angle r are right angles; line mp is congruent to ro. Prove: triangle nmo is congruent to triangle qrp and angle n is congruent to angle q

59. ## Math

Factor completely. Always begin by factoring the GCF. ax(squared)p-8pa-2axp

60. ## biology

hey does prokaryotes cells have cell walls

61. ## biology

what substance enters the food chain through photosynthessis

what is the cellular respiration formula

63. ## Math

A 500mL of bottled water costs 10 pesos. In 100mL its cost is 2 pesos. How much is the cost of 100mL of tap water if your bill is 924 pesos in 42 cubic meter or 42,000,000 milliliters

64. ## Maths Perecntages

A fruit shop owner buys a box of 24 mangoes are \$9. At what price should he sell each mango if he wishes to make a 30% profit?

65. ## Pre cal

1.Find the domain of the function algebraically y=3x-1/(x+3)(x-1) y=(1/x)+5/(x-3) 2.Find the range of the function y=10-x^2 y=(3+x^2)/(4-x^2) Please help me understand how to do them.

66. ## math

= ( 1 + 3) * ( 6 - 4 / 2)

67. ## Science

The rms(root-mean-square) value of a periodic signal s(t) is defined to be rms [s]=(1/T Ss^2t dt)^1/2 where T is defined to be the signal's period: the smallest positive number such that s(t)=s(t+T). What is the rms value of the sinusoid s(t)=Asin(2πf0t)?

68. ## social studies

why did the gap between the rich and poor weaken the shang

69. ## Math

which fractions are less than 5/6? 2/5 1/12 25/40 10/20 8/9 how do i know which is greater or less?

70. ## Physics

A car starts from rest and travels for 7.0 s with a uniform acceleration of +2.1 m/s2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s2. If the brakes are applied for 1.0 s, determine each of the following. 12.6 m/s at

Mary Olivers poem the journey explain the decision that the "you" in the poem made, and whether or not you think it was the right decision. I don't understand what their trying to say

72. ## Performing and Visual Arts

Why do humans create and perform?

73. ## Chemistry

Benzene has a vapor pressure of 100.0 Torr at 26°C. A nonvolatile, nonelectrolyte compound was added to 0.309 mol benzene at 26°C and the vapor pressure of the benzene in the solution decreased to 60.0 Torr. What amount (in moles) of solute molecules

74. ## science

what isthe sun main thing on earth

75. ## biology

but also what puts it back to the amosphere

76. ## biology

what removes crbon from the amosphere

77. ## biology

sorry but what is the sequece of cellular respiration what you gave me is right just not what i needed

78. ## Health Care

is dazzlewhite a good thing to use to whiten your teeth?

79. ## MATH

I AM A NUMBER. ROUNDING TO THE NEAREST THOUSAND MAKES ME 1,000. ALL MY DIGITS ARE EVEN, THEIR SUM IS 12, THEY ARE IN ORDER FROM GREATEST TO LEAST, AND NO DIGIT IS REPEATED. WHAT NUMBER AM I?

80. ## math angles

find the measure of m

81. ## kapitolyo

How much force will give a mass of 50g an acceleration of 60cm/s^2

How is a creating a virtual ecosystem different from the real world?

83. ## math

find the three consecutive even integers such that three times the first equals the sum of the other two

84. ## Chemistry

Which THE PH VALUE OF A solution 0,01 mol/l a monoacido that presents ka= 1×10-6

Find the equation of the tangent line to the graph of f(x) = 2x − 6/x + 1 at the point at which x = 0. (Let x be the independent variable and y be the dependent variable.) I don't know how to find the derivative, i Keep getting it wrong. But I know where

86. ## math

For what intervals is g(x) = 1/x2 + 1 concave down? (Enter your answer using interval notation.) For this question I understand that we have to find where the second derivative is negative. So first I found the first derivative and got 2x/x^4+2x^2+1 and

87. ## math

Ronnie was 6 times as old as jhon 6 years ago. Four years from now ronnie will be 4 times as old as jhon. How old is jhon now?

88. ## honors chemistry

if you obtain 10 moles of water sugar sodium chloride copper and Styrofoam will each sample have the same number of particles?

89. ## honors chemistry

I'm having trouble with this question in my molar mass lab. if you obtain 10 grams of water, sugar, sodium chloride, copper, and Styrofoam will each sample have the same number of particles?

90. ## math

Henry is attending a rodeo in Union County. The nearest airport is in Vindale, which is 33 miles away. On a map, the rodeo grounds and the airport are separated by 3 inches. What scale does the map use?

91. ## grammar

Hello, and good afternoon. My question deals with subject verb agreements. I understand time periods and amounts are singular verbs. Here are my samples: 'Three weeks is a lot of time to do a project,' and 'One half of the children like cupcakes.' I know

92. ## physics

A roller coaster car with a mass of 130 kg travels through a loop with a diameter of 20meters. What is the minimum speed at the top of the loop so that the car stays on the tracks? m= 130kg r= 10m v= ?

93. ## Physics

Find the average velocity (in m/s) of an object that starts 200 meters north of town and is 1200 meters north of town after 200 seconds.

95. ## Math

(4k+5)(k+1)=0

96. ## algebra

Beatriz is creating graphs for her city’s Parks Department. Beatriz is trying to persuade the Parks Department to put in more gazebos for shade. For a local park, Beatriz wants to demonstrate the attendance as it changes every week. She also wants to

97. ## Science

What is the period of the sinusoid s(t)=Asin(2πf0t)

98. ## College Algebra

I am using Hawkes Learning System (8.7 Nonlinear Systems of Equations)and my problem is x^2+y^2=13 and y+7=x^2. The answers I came up with are 2 square root of 3 and 3 for my x's. And I received (5,-4) as the y-coordinates. Is this correct?

99. ## Math

which fractions are less than 5/6? 2/5 1/12 25/40 10/20 8/9 how do i know which is greater or less?