# teresa

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

Grandpa Mick opened a pint of ice crew. He gave his youngest grandchild 1/5 of the ice cream and his middle grandchild 1/4 of the remaining ice cream. Then, he gave his oldest grandchild 1/3 of the ice cream that was left after serving the others. Who got

2. ## Chemistry

A sample of nitrogen gas is collected overwater at a temperature of 23◦C. What is the pressure of the nitrogen gas if the atmospheric pressure is 744 mmHg? Answer in units of mmHg. Not sure of formula for this

3. ## math

At Laurita's bakery 3/5 of the baked goods are pies and the rest are cakes. 1/3 of the pies are coconut. 1/6 of the cakes are angel-food. What fraction of all of the baked goods at Laurita's Bakery are coconut pies? What fraction of all of the baked goods

4. ## Chemistry

How many atoms of nitrogen are in 3.00g of N2O5?

5. ## math

Grandpa Mick opened a pint of ice crew. He gave his youngest grandchild 1/5 of the ice cream and his middle grandchild 1/4 of the remaining ice cream. Then, he gave his oldest grandchild 1/3 of the ice cream that was left after serving the others. Who got

6. ## math

A chef has a 2 3/8 pound salmon filet. He slices the filet into 4 oz servings. How many pounds is each serving? How many 4-oz servings can the chef create from the filet. How many ounces of salmon are left over?

7. ## algebra

Joe's electric made 17 customer calls last wk and 23 calls this week. How many calls must be made next week in order to maintain an average of at least 21 calls per week for the three week period? At least blank calls must be made to maintain an average of

8. ## math

justin spends 7/9 of his homework time on math and social studies. He spends 4/7 of this time on math. What fraction of the total time does he spend on social studies?

9. ## math

The mass of a box with 6 tennis balls is 2 kg 40 g. The same box with 10 tennis balls is 3 kg 160 g. What is the mass of the empty box?

10. ## math

Mrs. Kong uses 1/3 of a stick of butter in a pie. She uses 5/8 of the remaining butter in a cake. What fraction of the stick of butter is left

11. ## math

michelle has some stamps. Her sister has half as many stamps as does. They have 1080 stamps in all. Home many stamps does Michelle have

12. ## microbiology

Which may be or is an RNA molecule? A) AGCCTAC B) GGGCCCA C) GCCCUUA D) AGCCTAC AND GGGCCCA E) GGGCCCA AND GCCCUUA

13. ## math

Lily plants 80 seeds in her garden. Half of them are carrots. The rest are pumpkins and radishes. There are 6 more pumpkin seed than radish seeds. a. How many radish seeds are there? b. How many carrot and radish seeds does Lily plant?

14. ## math

Ben sells 7/12 of the pottery he made. Of the remaking pottery, 3/5 are vases and the rest are bowls. What fraction of all the pottery is the unsold bowls?

15. ## math

finish the number pattern for the rule: 2n+1 3,5,... finish the number pattern for the rule: 4n+1 5,9,....

16. ## Chemistry

25.00 mL of heavy water (D2O where D is a hydrogen with a neutron in its nucleus) at 20 degrees C was pipetted into a 37.234 g beaker. The final mass of the beaker was 64.859 9 a- what is the density of heavy water at 20 degrees C b-The density of normal

17. ## math

Zach's rope is 15 feet long. He cuts it into three pieces. 1st piece is 3.57 ft longer than the 2nd piece. 3rd piece is 2.97 feet longer than the 2nd piece. How long is third piece?

18. ## math

you have 120 pieces of fabric to make a blanket. each piece of fabric is a square with a side length of 6 inches. you use as many pieces of fabric as possible to screat a square blanket. What is the area of the blanket? How many pieces of fabric are left

19. ## Algebra

A bird leaves his nest and travels 20 miles per hour downward for x hours. On the return trip the bird travels 4 miles per hour slower and has six miles left after x hours. What is the distance of the entire trip? How long does the entire trip take

20. ## math

find the height in feet of a ball after 6 seconds in the air. after one second the ball is 148 feet in the air; after 2 seconds it is 272 feet in the air

21. ## stats

raffle with a grand prize \$500., 2 second place prizes of \$100., 4 third place prizes of \$50.. the raffle offers 250 tickets for \$4. each. what is probability model , the expected value of a single ticket and the target of \$200.to be raised can they expect

22. ## math

in a jewelry store, rings make up 5/9 of the inventory. Earrings make up 4/15 of the inventory. How many times greater is the ring inventory than the earring inventory?

23. ## Math

Find the z-scores that bound the middle 55% of the standard normal distribution ____ small value _____ larger value

24. ## statistics

In a population of exam scores, a score of X = 48 corresponds to z = +1.00 and a score of X = 36 corresponds to z = -0.50. Find the mean and standard deviation of the population.

25. ## Income tax

Steve and Sue are married with three dependent children. Their 2015 joint income tax return shows \$389,000 of AGI and \$60,000 of itemized deductions made up of \$30,000 of state income taxes and \$30,000 of charitable contributions.

26. ## English

To get in shape for a marathon, Shelby started running around the block a few times each morning.

27. ## Math

-5g - 6 for g = -2 A 4 B 16 C 10 D -13

28. ## math

from least to greatest, the perfect square factors of 3150 other than 1 are?

29. ## calculus

A water trough is 8m long and its cross-section is an isosceles triangle which is 60cm wide at the top, and the height is 60cm. The trough is not full. Give an expression for V, the volume of water in the trough in cm^3, when the depth of the water is d

30. ## math

maggie has 20 ribbons. Of them, 2/5 are polka dotted ribbons. How many ribs are not polka-dotted?

31. ## Math

A bird leaves his nest and travels 20 miles per hour downward for x hours. On the return trip the bird travels 4 miles per hour slower and has six miles left after x hours. What is the distance of the entire trip? How long does the entire trip take

32. ## Math

Find the z-scores that bound the middle 55% of the standard normal distribution ____ small value _____ larger value

33. ## math

ABCD is a rectangle of perimeter 48cm. AB=6 cm and CD=DE. What is the length of ABCD?

34. ## math

Julian and Stacey needed 10 liters of water to fill a tank. Stacey filled the tank with 3 11/12 liters of water. Julian poured 1 2/5 liters less than Stacey into the tank. How much more water is still needed to fill the tank?

35. ## math

ned folded a set of origami figures. Of this set, 5/8 are cranes and 1/6 of the remainder are frogs. The rest are grasshoppers. What fraction of the origami figures are grasshoppers?

36. ## physics

A thin spherical shell of mass 4.00 kg and diameter 0.200 m is filled with helium (density ρ = 0.180 kg/m3). It is then released from rest on the bottom of a pool of water that is 4.00 m deep. (a) Neglecting frictional effects, show that the shell rises

37. ## chemistry

How much heat is required to warm 250.4 g of water from 22.6 C to 75.8 C given that the specific heat capacity of water is 4.184 J/gx degrees C?

38. ## Statistics

Bookstore has a website for which 90 percent of their book sales are to out of state customers and not subject to the collection of sales tax . The sample proportion of all sales to out of state customers from samples of size 100 will vary in repeated

39. ## Business Math and Statistics

You deposit \$1,000 for 4 years at an interest rate of 2.0%. If the interest is compounded annually, how much money do you have after 4 years?

40. ## chemistry

You are given 28.0 of aluminum and 33.0 of chlorine gas. Part A If you had excess chlorine, how many moles ofof aluminum chloride could be produced from 28.0 of aluminum?

41. ## spelling

analogy glue as to sticks as thorns r too

42. ## Language

Seth has passed everyone in the race. What part of speech is "has passed"?

43. ## math

how to write the expression 25 less than 12 groups of 15? 25-12(15)... is this correct

44. ## Pre-Algebra

A(2,5), B(3,1)

45. ## math

Alli's plant has a height of 6 meters. Rajon's plant grows 3/10 meter higher. How high does Rajon's plant grow.

46. ## Math

Factor Completely: I am really confused on how to start it. 12q^5w^2-36q^4w^3-120q^3w^4 Help please. :) Factor out 12q^3w^2: 12q^3w^2(q^2 - 3qw - 10w^2) Can we factor further? Yes. q^2 - 3qw - 10w^2 factors are (q - 5w)(q + 2w). We end up with this:

47. ## precal

Find all solutions of the equation in the interval , 02π . =2sin2x−2cosx Write your answer in radians in terms of π . If there is more than one solution, separate them with commas.

48. ## math

sam runs around a rectangular field 4 times a week. The field is 320 meters long and 240 meters wide. He runs 6 laps each time. What distance does he run in a week'

49. ## physical science

A car is driving at an average speed of 100km/hr for 2 hours, then drives an average of 50.0km/hr for one hour. what was the average speed of the 3 hours? 100.0km/h 100.0km/h +50.0km/h =250.0km/3h 250.0km/3h divided by 3h =83.3km/h

New England Healthcare (NEH) began its two teaching and research hospitals in 1994. Following the two hospitals merger, “several suburban acute-care hospitals had also elected to join the NEH system, as had a large number of primary-care medical

51. ## math

Donald is hiring employees for his new small business. He expects to produce 6 units per employee, and he expects demand to be at least 36 units per day. He plans to pay each employee a yearly salary of \$50,000 and has a budget of \$400,000 per year to pay

52. ## math

THE DISTANCE BETWEEN EXIT 12 AND EXIT 13 IS 2.7 MILES. THE DISTANCE BETWEEN EXIT 13 AND EXIT 14 IS .9 MILES FARTHER THAN THE DISTANCE BETWEEN EXIT 12 AND 13. THE DISTANCE BETWEEN EXIT 13 AND 15 IS 6.8 MILES FARTHER THAN THE DISTANCE BETWEEN 12 AND 14. THE

53. ## math

The produce manager receives 5 containers of green beans, each weighing 7 pounds. She divides the total amount of green beans into 3 equal-weight portions. What is the weight of the beans in each portion?

54. ## Chemistry

What would be the molarity of a solution made by dissolving 126g K3PO4 into 1500 mL of water?

55. ## chemistry

Which of the following quantum numbers describes the shape of an orbital? A) principle quantum number (n) B) magnetic quantum number (ml) C) spin quantum number (ms) D) Schrodinger quantum number (S) E) (azithmal) angular momentum quantum number (l)

56. ## Math

It takes Jaiden 5 and 3/4 hours to do her homework each week. It takes her 2 and 3/4 hours to complete her science and 1 and 1/2 hours to complete her math homework. How long does it take her to complete Social Studies homework? Use the numbers and

57. ## math

(4-5y)-2(3.5y-8)

58. ## Math

in figure LM = 18 ft, KM=16 ft and KN=14ft what is the area of KLM

59. ## Chemistry

According to his prelaboratory theoretical yield calculations, a student's experiment should have produced 1.41 g of magnesium oxide. When he weighed his product after reaction, only 1.33 g of magnesium oxide was present. What is the student's percent

60. ## Chemistry

It takes 37.16 mL of 0.510 M HCL to neutralize 25.00 mL of NaOh. What is the concentration of the NaOH?

61. ## Early Childhood

Mrs. Bates watched David work a puzzle that he had chosen from the ones she put on the table. She listened and commented when David made guesses at the correct location for the pieces. This is an example of a/an __________ activity. A. structured B.

62. ## PED 212

Using the databases listed within the Ashford Online Library you will evaluate a research-based article from a peer reviewed journal. Your critique must be grammatically correct, properly cited, and utilize APA style of writing. Choose one of the following

63. ## math

there are 8 people in a committee. each time they meet they shake hands with each other so that each person shakes everyones hand once each time they meet how many handshakes are there

64. ## Chemistry

Merchants usually sell small nuts, washers, and bolts by weight (like jelly beans!) rather than by individually counting the items. Suppose a particular type of washer weighs 0.128 g on the average. What would 130. such washers weigh?

65. ## Chemistry

Iron has density 7.87 g/cm3. If 52.3 g of iron is added to 74.5 mL of water in a graduated cylinder, to what volume reading will the water level in the cylinder rise? mL

66. ## world issues

Imagine that you are advising President Obama as he develops his address to the nation on ISIS, what specific actions would you advise him to include in his strategy to deal with the ISIS crisis? (Based on the article: U.S. Weighs Direct Military Action

67. ## chemistry

Given the following reaction and enthalpy change, calculate the amount of heat for converting 100.4g of liquid water (18.02g/mole) to a vapor? delta H= +44kJ

68. ## geometry

Triangle ABC has vertices A(-3,2) B(4.5) AND C(4,-1) Fin out wether the triangle is isosceles?

69. ## finance

If you purchased a zero coupon bond today for \$225 and it maturity value is \$1,000 in 11 years, what rate of return will you earn on that bond?

70. ## Finance

A common stock is just paid an annual dividend of \$2 yesterday. The dividend is expeccted to grow at 8% annually for the next 3 years, after which is will grow at 4% in perpetuity. The appropriate discount rate is 12%. What is the priceof the stock? What I

71. ## math

word scramble help, enitmelgens, reaoprddrie, gteernartha, ouoetrrsaq, girlteahng

72. ## math

at a parade, there are "m" women and 3 times as many men as women. There are 6,352 fewer children than men. Find the number of men and the number of children respectively in terms of m. If m = 7,145, how many peole are at the parade?

73. ## chemistry

1/0.000015 in scientific notation. Please explain how to do this.

74. ## Math

If teacher x gives a pop quiz on Monday and then every five classes, and teacher y gives a pop quiz on Monday and then every six days, how many school days will it be until both give quizzes on the same school day

75. ## college chemistry

What is the ratio of KC2H3O2 and HC2H3O2 in a buffer with a pH of 5.25? Ka = 1.8 x10-5?

76. ## math

The area of a rectangle is 3/5 square meter. The width is 2/5 meter. What is the length of the rectangle? How many times greater is the length that the width?

77. ## math

James is painting his 10 by 8 foot bedroom wall that contains a 2 by 3 foot window. How many square feet of wall does he need to paint

78. ## Math

Mr. Jackson sold 3 computers in the first year. In the second year he sold 4 times as many computers. In the third year he was able to sell 6 times as many computers as the first year. How many did Mr. Jackson see in three years.

79. ## PED 212

Reflective Journal After reading Chapter 1, reflect on how your perceptions of physical education have changed based on your understanding of its evolution.

80. ## Finance

A comp. has issued a bond with the following characteristics: Principal=1000, Time to maturity=20yrs. Coupon Rate=8%, compounded semiannually with semiannual payments. Calculate the value of this bond if the stated interest rate, compounded semiannually is

81. ## Finance

Company Q has just paid a dividend of \$1.40 per share. Its dividend is expected to grow at 5% per year perpetually. If the required return is 10%, what is the value of a share in company Q?

82. ## math

you are making identical gift bags using 24 candles and 36 bottles of lotion. What is the greatest number of gift bags you can make with no items left over.

83. ## math

there are six different kinds of fruit pies in a baker. Each pie is the same size and is cut into 8 equal slices. Mr. Javier buys a slice of each pie. How many pies did Mr. Javier buy altogether

84. ## Physics

How much heat must be added to 1-kg of 0 degrees Celsius water to turn it into water at 50 degrees Celsius? If the water had been ice at 0 degrees Celsius, would that increase, decrease, or not change the amount of energy required?

85. ## math

Carla spends 6/4 hours exercising every day for 12 days. She spends 1/2 of exercise time every day lifting weights. How much time does Carla spend lifting weights during the 12 days?

86. ## math

Riley told his mom that multiplying whole numbers by multiples of 10 was easy because you just count zeros in the factors and put them in the product... 7,000 x 600 = 4,200,000 Riley's mom said this strategy will not always works? Why not? Give example

87. ## math

a jeans designer offers 5 styles of jeans in 5 different colors. How many different combinations of style and color are possible?

88. ## Chemistry

At a deep-sea station 200.m below the surface of the Pacific Ocean, workers live in a highlypressurized environment. How much gas at STP must be compressed on the surface to fill the underwater environment with 1 × 107 L of gas at 16 atm? Assume that

89. ## chemistry

2.9 in3 of mercury to its volume in milliliters and its mass in kilograms

90. ## Chemistry

Find the mass of water (H2O) needed to react with 150 grams of potassium (K) 2K(s) + 2 H2O (g)-2KOH +H2(g) How do I get the number of moles in H2O? Desperate to understand this. I got K= 150g./39.0983=3.84 mols of K. Then would it be 3.84(2mols H2O/7.68)

91. ## Math

if you roll a pair of fair six-sided number cubes, what is the probability of rolling two numbers whose sum is 2?

92. ## science

Lightning is actually an enormous display of the concept of A)chemical heating B)solar energy C) magnerism D) grounding

93. ## science

There are three sources of resistance in a parallel circuit. Two of them are rated at 20 ohms, the other at 10 ohms. What is the circuits total resistance?

94. ## trig

What is the period, amplitude and phase shift for: y=2sin(3x-pi)

95. ## statistics

HOW DO YOU WORK WITH NUMBERS IN A SERIES LIKE 38 36 30 28 22 : THENEXT NUMBER WOULD BE WHAT . OR 2 5 11 20 32 47 AND THE NEXT NUMBER IN THE SERIES WOULD BE WHAT

96. ## Finance (Check Answer plz)

A comp. has issued a bond with the following characteristics: Principal=1000, Time to maturity=20yrs. Coupon Rate=8%, compounded semiannually with semiannual payments. Calculate the value of this bond if the stated interest rate, compounded semiannually is

97. ## math

A bus driver filled up 7/8 of her fuel tank for a trip. She used 6/7 of the fuel by the end of the trip. The capacity of her tank is 70 gallons. How much fuel did she use for the trip?

98. ## math

a music store gives every 20th customer a \$5 gift card. Every 50th customer gets a \$10 gift card. which customer will be the first to receive both types of gift cards?

99. ## math

The height of a picture is 4.3 feet when rounded to the nearest tenth of a foot. What is the shortest possible height of the picture. Give answer to 3 decimal places