# Questions Asked onApril 20, 2015

1. ## Math

Find the next three terms in the sequence. 30,22,14,6.... A. -3,-12,-21 B. -1,-8,-15 C. -1,-2,3 D. -2,-10,-18 D? Thanks.

asked by Sabrina C.
2. ## Physics - Dynamics

A combat jet lands on a carrier with a horizontal velocity of 50 m/s. A stopping mechanism exerts a horizontal force of Tx = 10,000 V N, V, being the velocity of the jet in m/s. The mass of the jet is 6500 Kg. a.) What is the the maximum force that the

3. ## Business Statistics

FORMAT INSTRUCTIONS Each question requires the use of MINITAB to solve. Please submit your work as a WORD or similar document. You can prepare this by cutting and pasting the results generated in MINITAB to such a document. Then you can edit that file with

4. ## algebra (urgent help needed)

1. a chemical compound requires 8 ounces of chemical a and 12 ounces of chemical b. a mixture contains 24 ounces of chemical a and 30 ounces of chemical b. how can you fix the mixture to make the chemical compound?

5. ## Physics

A person exerts a tangential force of 34.8 N on the rim of a disk-shaped merry-go-round of radius 2.60 m and mass 152 kg. If the merry-go-round starts at rest, what is its angular speed after the person has rotated it through an angle of 30.4°? (in rad/s)

6. ## Math

A gas station charges \$2.19 per gallon of gas. Use function notation to describe the relationship between the total cost C(g) and the number of gallons purchased g. A. C(g)=-2.19g B. g=2.19C(g) C. C(g)=g+2.19 D. C(g)=2.19g C? Thanks

asked by Sabrina C.
7. ## Math

Please help with trying to solve the following; in particular how to get the correct equation set up. The perimeter of a square is 64 cm and the area of the square is 192 cm. What is the length of width of the rectangle? Thank you for your help.

8. ## History

Why did the U.S. not want to support decolonization from World War II- Cold War, 1940s-1950s

9. ## Physics

A 10.4-g CD with a radius of 5.85 cm rotates with an angular speed of 33.8 rad/s. What is its kinetic energy? (in J) I need help with this question. I thought you would just use K=1/2mv^2 but when I use m=0.0104kg and v=33.8 I get 5.94 which isn't the

10. ## Physics

After you pick up a spare, your bowling ball rolls without slipping back toward the ball rack with a linear speed of = 3.18 m/s. To reach the rack, the ball rolls up a ramp that rises through a vertical distance of = 0.510 m. What is the linear speed of

11. ## Calc 1

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→3 (x^2+3x−18)/(x−3)

12. ## Calc 1

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→0 (e^9x−1−9x)/(x^2)

13. ## Calc 1

Use l'Hospital's Rule to find the exact value of the limit. lim x→∞ (1+4/x)^x

14. ## Calc 1

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→0 (7x−sin 7x)/(7x−tan 7x)

15. ## Calc 1

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→0 (sin^−1 x)/7x Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim

16. ## Calc 1

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→0+ (sinx ln2x)

17. ## Calc 1

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→∞ x^7e^−x^6 Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim

18. ## maths

One number is greater than another by 4, their sum is 32. What are the two numbers? Write a function which could solve this for any two numbers (x and y) with any difference between them.​

19. ## chemistry

How many moles are their in 10.6 L os SO2 ?

20. ## Physics

component of a vector along the two given lines lie in the vertical downward direction making an angle 30 degree with the vertical line are 2 and 4 units.find the magnitude of the original vector and it's direction.

21. ## Business Stats

In a maths class the bottom 16% of student are given an F grade. If the class mean is 63 and standard deviation is 18, what score must a student get to pass?

22. ## physics

A 182 block is launched by compressing a spring of constant k=200N/m a distance of 15cm. The spring is mounted horizontally, and the surface directly under it is frictionless. But beyond the equilibrium position of the spring end, the surface has

23. ## business calculations

albino rats used to study the hormonal regulation of a metabolic pathway are injected with a drug that inhibits body synthesis of protein. usually, 4 out of 20 rats die from the drug before the experiment is over. this time round, 10 animals are treated

24. ## Math

1. if 60% of 3/5 of a number is 36, then the number is......... Pls show working. 2. the average weight of 16 boys in a class is 50.25kg and that of the remaining 8 boys is 45.15kg. Find the average weight of all the boys in the class.

25. ## gravimetric prob

A pure organic compound weighing 947.4mg was heated in a stream of oxygen. The effluent gas was swept successively through a tube of magnesium perchlorate dessicant weighing 18.6137g and a tube of Ascarite weighing 16.8425g. After several minutes the tubes

26. ## gravimetric prob

A sample of freshly precipitated silver chloride weighs 704.7mg. Before the solution can be filtered and washed 10.0mg of AgCl is photodecomposed. After the precipitate is filtered and washed another 10.0 mg of AgCl is photodecomposed. Calculate the weight

27. ## gravimetric

in the gravimetric determination of barium in BaCrO4, what weight of sample must be taken so that the weight of the precipitate in milligrams multiplied by 100 will equal the % Ba in the sample?

28. ## physics

1. Calculate the work done on the system when 1.00 mol of gas held behind a piston expands irreversibly from volume of 1.00dm cube to a volume 10.00dm cube against an external pressure of 1.00 bar. 2. A perfect gas expand reversibly at a constant

asked by Cali franco
29. ## Chemsitry

What is the pH of the buffer solution that results when 58.50 g of sodium acetate (NaCH3CO2) (Formula Mass = 82.02 g mol-1) is added to 1 litre of 0.45 mol L-1 acetic acid (CH3CO2H) ? Data: Ka for CH3CO2H = 1.8 x 10-5

30. ## Chemistry

How do you calculate the molality of a salt solution using only temperature? Is it even possible to do so? This was part of an ice cream lab and the temperature of the ice was 1.0 degrees celcius and the temperature of the ice water salt mixture was -0.4

31. ## MATHEMATIC DEPARTMENT

The second, third and ninth terms of an arithmetic progression forms the first, second and third terms of a geometric progression. Find the common ratio and hence the eleventh term of geometric progression.

asked by Mr. Bett
32. ## Business Statistics

FORMAT INSTRUCTIONS Each question requires the use of MINITAB to solve. Please submit your work as a WORD or similar document. You can prepare this by cutting and pasting the results generated in MINITAB to such a document. Then you can edit that file with

33. ## Science

How many number of gold atom are present in 0.6 gm of 18 carat gold.The 24 carat gold is taken as 100% pure gold.(atomic mass of gold=197a.m.u)

asked by Mole concept
34. ## math

a tank is 3/5 full ofwater 50 litre more required to fill it up. how many litres can tank hold..??

35. ## Trig

Can you please help with this trig question: The angle of elevation to the top of a nearby mountain is 46 degrees. After walking 1 km toward the mountain, you determine the angle of elevation to be 68 degrees. How high is the mountain? Thank you for all

36. ## math

Which of the following is/are true? A.x-y+z/y-x-z=1 B.3a-b9a^2-b^2

37. ## Communication in the Workplace

Describe each of the three components in the AIM planning process for business messages: audience analysis, idea development, and message structuring

asked by Joel T
38. ## Trig

Please help with this question: A plane travels a distance of 140 km due west of Vancouver International Airport. It then travels 60 km at a bearing of 340 degrees. How far from the Airport is the plane? Thank you for all your help.

39. ## English

1. Emily likes winter because she can see snow in the mountains. 2. Emily likes winter because she can watch snow in the mountains. 3. Emily likes winter because she can look at snow in the mountains. =================== Which verb should we use?

40. ## Math

d dx [(e^x + x)^x]. Can someone please show me a step by step of how to do this. Also i'm stuck at (e^x+1)((e^x+x)^x * ln(e^x+x)) ... am i on the right track or?

41. ## Math

A rocket is launched straight up. At t seconds after being launched, its altitude is given by h = 4t^2 metres. You are on the ground 400 metres from the launch site, watching the rocket. The line of sight from you to the rocket makes an angle theta

42. ## Calculus

Consider the function f : [􀀀-pi,pi] --> R given by f(x) = e􀀀^-x*sin(x). (a) Calculate local maxima/minima and points of in ection of f(x).

43. ## Math

Jill bought so e carrots and apples for \$24.80. A carrot and an apple cost \$.90 altogether. She bought more carrots than apples. The cost of the extra number of carrots was \$6.80. How many apples did she buy?

44. ## Math

The total capacity of 6 pitchers and 12 glasses is 21 liters. The capacity of a pitchers if 5 times that of a glass. Find the capacity of each glass in liters.

45. ## college algebra

a chemist needs to prepare 28 ounces of a 8% hydrochloric acid solution. find the amount of 14% solution and the amount of 7% solution he should mix to get this solution.

46. ## chemistry

How many grams of oxygen gas must react to give 2.70g of ZnO? 2Zn(s)+O2(g)→2ZnO(s)

47. ## SS

Which of these questions would best help Xiao address a challenge in his community? A. Which political party should community members vote for? B. Why do diverse cultural influences exist in eastern china? C. What must people learn about to get new factory

48. ## Maths

I can`t to find information about, who invented simultaneous equations ?Could somebody help me please.

asked by Kinga M.
49. ## life orientation

evaluate the extend to which peer pressure can impact negatively on intrapersonal conflict.

50. ## PHYSICS

The drawing shows two frictionless inclines that begin at ground level (h = 0 m) and slope upward at the same angle θ. One track is longer than the other, however. Identical blocks are projected up each track with the same initial speed v0. On the longer

51. ## Chemistry

Four sets of conjugate acid/base pairs and Ka of the acid are given. Which pair would be the best to form a buffer at pH = 9.2? You can use the Henderson-Hasselbalch equation to answer this question. HCNO/CNO- 3.5 x 10-4 HC2O4-/C2O4- 5.1 x 10-5 H2CO3/HCO3-

52. ## MATH

You purchase a computer for \$875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state that you must pay \$100.00/month and that if you miss a payment, you will be assessed a late fee of \$39.00 plus the

53. ## The Novel

At the end of chapter II of The Call of the Wild, Jack London writes, "In vague ways he remembered back to the youth of the breed." This statement is an example of A. natural selection. B. the racial unconscious. C. the will to power. D. survival of the

54. ## chemistry

How many grams of CuSO4 . 5H2O are needed to prepare 100ml of a 0.10M solution? Remember to change the given volume to liters and take the moles and convert them to grams via the molar mass to get grams of CuSO4 . 5H2O

55. ## Math

Which of the following is a true statement? A. -9 > -4 B. | -10 | > |2| C. | -3| < |1| D. 6< - 12 Compare using , or = -2 ----- -4 A. < B.> C. = Compare using , or = -| 2-5| ----- (8 – 11) A. < B. > C = PLEASE HELP!!!

56. ## english

In the poem " The Arrow and the song" which form best describes the poem this excerp is from?

asked by tyler green
57. ## math

Two investments totaling \$23,500 produce an annual income of \$795. One investment yields 2% per year, while the other yields 7% per year. How much is invested at each rate?

58. ## Chemistry

How many moles of chlorine are there in 16.0 mL of 0.450 M CaCl2? 0.0072 mol 0.0144 mol 0.0216 mol 0.0375 mol none of the above I had chose 0.0072 and had submitted it in my assignment, but it had said it was wrong. I chose 0.0072 because I did this

59. ## Chemistry

What is the pH of a solution which has hydroxide concentration, [OH-], equal to 7.6 x 10-4 M? 0.88 3.12 10.9 13.1 none of the above I had chose 3.12 for this one and this one was also wrong. I did this because I did the equation -log(7.6*10^-4) and got

60. ## Chemistry

Calculate the hydronium ion concentration of blood which has a pH of 7.24. 7.17 x 10-4 M 5.75 x 10-8 M 1.15 x 10-7 M 0.86 M none of the above I had chose 1.15*10^-7 by doing the log equation -log(1.15...) and I but it goether with -log(10*^-7.24) and it

61. ## Chemistry

In a solution of a weak acid and its conjugate base, which condition has to be true for pH to equal pKa? The concentration of acid has to be greater than the concentration of base. The concentration of acid has to be equal to the concentration of base. An

62. ## math

if 4th term of an arithmetic progression is 3 times the 1st term nd 7th term exceeds twice the third term by 1. find the first term and common difference

63. ## maths

a drunkard walking ina narrow lane takes 5 steps forward and 3 steps backward followed again 5 steps forward and 3 steps backward and so on. if each step is 1m and requires 1 second. determine how long would the drunkard take to fall in to pit 13 m away

64. ## maths

a metallic rod was heated to 300¡ãc and left for cooling. after every 2 menute it becomes colder by 15¡ãc. what will be the temperature of the rod after half an hour?

65. ## Math

In a jar of coins, the ratio of nickels to dimes is 2:7. If the jar contains 350 nickels, how many dimes are there?

66. ## science 8th (:: 1 question

The ball in the image below is rolling toward the block. The ball will create a disturbance in the stability of the block by knocking it over. Which of the following correctly predicts what will happen to the block? [image of ball rolling toward tall,

67. ## Math

What is the volume of the figure above if a= 6 units and b= 9 units? A. 1, 620 Cubic Units B. 540 Cubic Units C. 324 Cubic Units D.342 Cubic Units

68. ## Social Studies

PLEASE HELP! what is a likely reason that india supported east pakistan's effort to gain independence from pakistan? 1. East pakistan agreed with india's policy of nonalignment 2. India and Pakistan were in conflict 3. East pakistan was close to india's

69. ## chemisty

A cylinder with a moving piston expands from an initial volume of 0.350L against an external pressure of 2.70atm . The expansion does 251J of work on the surroundings. What is the final volume of the cylinder?

70. ## differniate

f(x)= (12x-18x^4+3)/(5ã6x^2-11x^4+2)

71. ## math

Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function. g(x) = e^(3t^2) − 3t dt from 4 to x

72. ## Math

a rectangle shape doctor's office has an area of 120 feet. what are the dimensions of this office space?

73. ## Math

1.What is the volume of the figure above if a = 6 units and b = 9 units? A. 1,620 cubic units B. 540 cubic units C. 324 cubic units D. 342 cubic units 2.Susan is building a cage for her rabbit and started by making the supports for the cage as shown below,

74. ## math

6w-6w +6w +6w

75. ## Chemistry

3 NO2(g) + H2O(l)--->2 HNO3(aq) + NO(g) Suppose someone needs 25.0 kg of HNO3. How much NO2 should they start with to end up with the amount they need?

y = 2x + 7 The slopes are equal. The graph has a greater slope. *** The equation has a greater slope.*** none of the above an i right? (:

77. ## geometry

I have a triangle ADB. AD = 2, AB = 3 DB is x. I need to find x. Additional info. AB/BC = BD/BD = AD/BD. Other triangle is DCB. DB is x, DC is 8, CB is y. Booth of triangles are connect by DB. Figure resembles a kite. (Needed to complete 3/y =x/x= 2/x. Is

79. ## help please? :( math

Which function is a quadratic function? (1 point) y equals one over X y = 5x – 7 y = –x2 + 2x*** y = absolute value of x

80. ## Chemistry

How many grams of potassium nitrate (KNO3) are required to produce 536 g of potassium nitrite (KNO2) according to the equation below? *I've tried this question for so long and I get so many different answers in the end so please help.

81. ## maths lit,life sciences,business studies,history

What jobs do I qualify for

82. ## math

how much inches=1feet

83. ## Math

What jobs do I qualify for

84. ## Math

Which measurement is NOT equal to 3m, 30dm,300cm,3,000mm,3,000cm

85. ## Algebra 1

Which answer choice shows 2x-y=z correctly solved for y? A: y=2x+z B: y=2x-z C:y=-2x+z D: y=-2x-z Here's how I did it: 2x-y=z -y=2x+z y=-2x-z Am I right? I have a feeling I'm not, so I would like some confirmation one way or the other.

86. ## Math

Determine the coefficient of wx^3y^2z^2 in (2w−x+y−2z)^8

87. ## Science

The diagram below shows a process in Earth's crust. Which of the following statements best describes the process in the diagram. A Converging plates from Mountains B Converging plates from Volcanoes C Diverging plates form Mountains D Diverging plates form

88. ## Physics

At a given instant three electrons, in vacuum, happen to lie on a straight line. The first and second are separated by 3.00x 10-6 m, while the second and third are 8.00 10-6 m apart. What is the magnitude of the net electrostatic force on the middle

89. ## Physics

a 0.30-m radius automobile tire rotates how many rad after starting from rest and accelerating at a constant 2.0 rad/s^2 over a 3.54-s interval

90. ## Math algebra

x^1/3 ÷ (4x)^½ · 16x^-5/4 ÷ 32x I get: x^-5/12 ÷ x = x^(-5/12-12/12) = x^-17/12 but answer given is x^7/12 I'm using a^n / a^m = a^n-m but according to the answer I'm given it seems that I'm supposed to add the 12/12 to -5/12 not subtract them

91. ## Physics

An object with a net charge of 20 µC is placed in a uniform electric field of 627 N/C, directed vertically. What is the mass of the object if it floats in the electric field?

what does "if you were Pinocchio right now and we could saw off your nose and have enough firewood to last the winter" mean?

93. ## Physics

Three point charges lie in a straight line along the y-axis. A charge of q1 = -9.10 µC is at y = 6.70 m, and a charge of q2 = -7.70 µC is at y = -3.60 m. The net electric force on the third point charge is zero. Where is this charge located?

94. ## PHYSICS

a 0.30-m radius automobile tire rotates how many rad after starting from rest and accelerating at a constant 2.0 rad/s^2 over a 3.54-s interval

95. ## math

Determine the number of divisors of the integer 4312440.

96. ## HELP please

a car wheel turning at 0.5 is brought to rest by the brakes in exactly two revolutions. what is the angular acceleration of the wheel?

97. ## san jac

a sample of nitrogen gas contain 5.0mol in a volume of 3.5L calculate the new volume of the container if the pressure and temperature are kept constant but the number of moles of nitrogen is change to 2.5 mol

98. ## AP Chemistry

This is the question I am having trouble with: A voltaic cell consists of a strip of lead metal in a solution of Pb(NO3)2 in one beaker, and in the other beaker a platinum electrode is immersed in a NaCl solution, with Cl2 gas bubbled around the electrode.

99. ## math

lance made 10 dozen cookies. He made 25 percent chocolate chip, 25 percent peanut butter, and the remaining 50 percent oatmeal raisin. How many of each type of cookie did he make?

100. ## HELP

a car wheel turning at 0.5 is brought to rest by the brakes in exactly two revolutions. what is the angular acceleration of the wheel?

101. ## mental health

Describe how acquired brain injury can affect the family.

102. ## film

what steps are involved in creating special effects in a movie

103. ## Calculus

A fence 4 feet tall runs parallel to a tall building at a distance of 2 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?

104. ## biology

Does Aspirin do something to the reaction of amylase with starch ?

105. ## math

dion's grandmother is making a quilt using four small squares put together to form one large large square block. how many different can she make using one each of red, green, blue, and yellow smalle squares? show the possible arrangements

106. ## Science

The mass of 1 liter of water is approximately 1000g. If you consume 1 liter of water,ow many water molecules did you consume?

107. ## history

Gaul is the Roman term for what modern country?

108. ## math

what the heck does it mean

109. ## Science

When evolution was first proposed, which of the following was used as evidence to support the idea? 1.observations of nature 2.laboratory experiments 3.extensive fossil collections 4.genetic sequences 1.?

110. ## please answer my question (math)

dion's grandmother is making a quilt using four small squares put together to form one large large square block. how many different can she make using one each of red, green, blue, and yellow smalle squares? show the possible arrangements

111. ## math

local students were surveyed about adding stoplights at the corner of Main Street and Perry Avenue. Determine whether each survey question may be biased. Explain A) are stoplights needed at the intersection of Main and Perry? B) should stoplights be

112. ## Chemistry

2H2S(g)+3O2(g)2SO2(g)+2H2O SO2(g)+Cl2(g)SO2Cl2(g) I balanced so how do I find the overall equation

113. ## math

Between 6a.m.and 10a.m.the temperature rose by 5°f.between 10a.m.and 2p.m.the temperature rose by 6°f.between 2p.m.and 6p.m.the temperature rose by 0°c.would you be able to tell how much the temperature rose since 6a.m?

114. ## History

How were William Lloyd Garrison and the Rev. Elijah Lovejoy alike? Both lived in Boston and were Underground Railroad conductors. Both printed newspapers with antislavery messages in the North. Both used their houses as Underground Railroad stations and

115. ## 4TH GRADE

The __________ Ocean brings much seafood to this region. a. Pacific b. Indian c. Arctic d. Atlantic

116. ## mental health

Describe how you would support a client with acquire brain injury who demonstrated cognitive deficits as a result of his injury . identify a minimum of 2 possible problems you might encounter and what positive intervention strategies you would use.

117. ## Geography

Which landform found in this region provides electricity to thousands of people in this area? a. Appalachian Mountains b. Atlantic Coastal Plain c. Niagara Falls d. Atlantic

118. ## Geography

Which landmark in the Northeast region represents the arrival of the Pilgrims on the Mayflower in 1620? a. White House b. Liberty Bell c. Plymouth Rock d. Statue Of liberty I think the answer is d.

119. ## algebra

A doormat has an area of 912 square inches. Its perimeter is 124 inches. What are the dimensions of the doormat?

120. ## math

Warren measured a recentangular window to find Out how much plastic he would need to cover it.The window measured 5ft 6 inches by2ft9inches.about how many square inches of plastics does Warren need to cover the window?

121. ## Math

Raylene made a bracelet with 28 beads. She also made a necklace with twice the number of beads as the bracelet. If 1/2 of the beads on the bracelet are green and 1/4 of the beads on the necklace are green, does the bracelet, the necklace, or neither have

122. ## math

Dion's grandmother is making a quilt using four small squares put together to form one large large square block. how many different can she make using one each of red, green, blue, and yellow smalle squares? show the possible arrangements

123. ## Math

A toy company has increased their size of one of their dolls. The packaging department has calculated that they need to add 3 inches to each of the dimension of the original packaging (Original height=10 in width=2.75 length=5). What is the new amount of

124. ## Programing Logic and design

Design a program that asks the user to enter a store's sales for each day of the week. The amounts should be stored in an one dimensional array. use loop to calculate the total sales for the week and display the results. (In Pseudocode)

125. ## Math

Find the width of the rectangle. ----------------------- = Perimeter=30 in. = = = W=Width =============== L=Length P=w and l=11 p=2l+2w 30=(2x11)+2w 30=22+2w (Think:if 2 x w=8, then w=___divided____ w=8 So the width is 8 inches. I don't know what the

126. ## Math

Really need help with this: You purchase a computer for \$875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state that you must pay \$100.00/month and that if you miss a payment, you will be assessed a

127. ## calculus

A firework is launched at the rate of 10 feet per second from a point on the ground 50 feet from an observer. To 2 decimal places in radians per second, find the rate of change of the angle of elevation when the firework is 40 feet above the ground. Type

128. ## math

At 6 PM, the temperature in Redding, CA, t, is the same as the temperature in Fresno, CA. By 9 PM, the temperature has dropped 2 degrees and in Fresno it has dropped 4 degrees. By 11 PM, the temperature in Redding has dropped another 3 degrees. Represent

129. ## Algebra

Noelle bought some boxes of water bottles for a picnic. Each box contained 24 bottles of water. If c is he number of boxes, write an expression to show home many bottles of water Noelle bought.

130. ## Calc 1

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→∞ (x tan(3/x))

131. ## Science (Chemistry)

Why do ionic materials dissolve so well in water, but not in Hexane?

132. ## PE

10. A common emergency is a. shock b. choking c. cardiac arrest*** d. ankle sprain --THIS IS DIRECTLY FROM THE LESSON: Choking and rescue breathing emergencies Cardiac arrest Bone, joint, and muscle injuries Outdoor emergencies Bites and stings Poisonings

133. ## Laboratory Chemistry

The activity of a stock isotope is 10,000 DPM/0.10mL. If 0.25 ml of this stock is placed in 2.50 ml of water, what is the activity in the diluted specimen? My guess is that I just multiply the 10,000 DPM by the 1/10 dilution factor. I then come up with

134. ## Math

Michael wanted to make a quilt with an area of 42 square feet. What are its possible dimensions if they must be whole numbers? Which length and width makes the most sense for a quilt?

135. ## geometry

I have right triangles I need to solve. Can you see if I am doing them correctly or screwed up..1) Rt < is in left corner C: Opposite is 60 deg< A, last angle is at top- 30 deg

136. ## CHEM

An isotope has a half-life of 56 days. It now has 10,000 DPM/ml. What is the activity in the diluted specimen? Very confused, any help would be appreciated!

137. ## Algebra

The student council is asking people to donate money for the new park outside the school. Everyone who makes the suggested donation amount will be given a bracelet. If everyone donates the suggested amount, and b bracelets are given away, what algebraic

138. ## Physical science

A hydraulic lift is used to lift a heavy machine that is pushing down on a 3.0 m2 piston A1 with a force F1 of 1200 N. What force F2 needs to be exerted on a 0.090 m2 piston A2 to lift the machine? im having problems tring to solve it can you please help

139. ## Algebra

Mr. Delgado has some young orange trees. He wants to plant them in 46 rows. If t is the total number if orange trees, write an algebraic expression to represent how many trees he can plant in each row.

140. ## Math

I divided 4,495 by 50 and got 89. Is that correct?

141. ## Algebra

Jill, Meg, and Beth are sisters. Jill is 2 years younger than Meg. Beth is half as old as Meg. Use the same variable to write three algebraic expressions based on this situation. Tell what the variable represents and what each expression represents.

142. ## Math

Thomas started at his house and walked due east50 yards then he walked due west 50 yards and east 20 yards . Which best describes where Thomas was at the end of his walk

143. ## English

By the time we got there, the seals (have or had) barked twice

144. ## To Kristin

I responded to that pKa problem. Here is a link. http://www.jiskha.com/display.cgi?id=1429545787

145. ## History Please With A Cherry On Top

1. Texans responded to the water crisis in all of these ways EXCEPT building new reservoirs. turning more to irrigation. building more dams. enacting water conservation laws.* 2. Which of the following was a pioneer in the treatment of heart disease?

146. ## Science

a 9 kg bowling ball rolls off a table and strikes the ground. if the ball isi n the air for 0.5 seconds, how fast is the ball moving when it hits the ground?

147. ## Algebra

Using two variables - A carpenter wants to cut a 24-foot board into two pieces so that one piece is 5 times as long as the other. How long should each piece be?

148. ## 4th Math

sam cut a pie into equal slices. there are only 3 slices left. the angle measure for the 3 slices is 72 degrees. How many slices did sam cut the pie into? 360

149. ## world history

Can someone give me a famous story about james the less

asked by Eden S.
150. ## Chemistry

Can someone answer this question? The enthalpy of combustion of solid carbon to form carbon dioxide is -393.7 kJ/mol carbon, and the enthalpy of combustion of carbon monoxide to form carbon dioxide is -283.3 kj/mol CO. Use these data to calculate ∆H for

151. ## English

In this sentence Most of my time at the party were/was spent playing two games. Should we pick was since the pronoun is singular

152. ## Science

In what ways are electric generators and motors similar? In what ways are they different?

153. ## english

We have to find the right linking verb. 1.) It was she/her who was the director. She 2.) The owner of the recording equipment was me/I. I 3.) The engineer helping with the recording was her/she. She 4.) The person testing how the microphone sounded was

154. ## math

Write an inequality of the form x > c or x < c to represent the amount of trash cleaned up per mile of coast worldwide compared to the amount of trash cleaned up per mile of coast in England during the 2013 Ocean Conservancy’s International Coastal

155. ## Physical Chemistry

The weight of one atom of uranium is 238amu. Its actual weight is ......g.

156. ## Chemistry

You are given potassium carbonate solid and potassium sulfate. Both are white solids. How would you separate potassium carbonate and potassium sulfate?

157. ## Trigonometry

A 19-ft ladder leans against a building so that the angle between the ground and the ladder is 80∘. How high does the ladder reach on the building? I did 19sin(80) to get me 18.76847847 for how high the ladder reach on the building... but when i put the

158. ## English

1. I am on my own today. 2. I am loney today. 3. I am alone today. 4. I am lone today. =================== Are they the same in meaning and grammatical?

159. ## 6th grade math

if there are 24 kids in a class and 11 more boys than girls how many girls are there?

160. ## Chemistry

Can someone please check if I have written and balanced the reaction properly? 1.In 1774 Joesph Priestley discovered oxygen by decomposing the oxide of mercury. 2HgO = 2 Hg + O2 2. Slaked lime precipitates magnesium ions from hard water. Ca(OH)2 +