# Questions Asked onMay 19, 2020

1. ## Algebra 2

The sum of the reciprocals of two consecutive even integers is 9/40. this can be represented by the equation shown. (1/x)+(1/x+2)=9/40 Use the rational equation to determine the integers. Please help!! I have no idea what to do:(

2. ## Algebra

does anybody have the answers to the rest of the lesson 2 semester B exam (algebra 1 B unit 7 semester B exam and review) in math?

3. ## Calculus

How is the product of a complex number and a real number represented on the coordinate plane? A)When 3 + 2i is multiplied by 3, the result is 9 + 6i. Graphically, this shows that the product is a scalar and a counterclockwise rotation of 90° of the

4. ## precalculus

What type of limacon is graphed by the polar equation r=4+2 sin Θ? Identify the axis of symmetry and horizontal and vertical intercepts.

5. ## Mathematic

Olive plots (4,−3π/2)on the polar plane. How does she proceed? Drag a phrase to each box to correctly complete the statements. Olive first determines which line the angle of rotation places the point on. This line tells Olive that the point must lie on

6. ## precalculus

Determine if there are zero, one, or two triangles for the following: m∠A=48° a=10 m b=12 m

7. ## Calculus

Which equation is the polar equivalent to the equation y=−(√3/3)x? θ=π/6 θ=π/3 θ=2π/3 θ=5π/6

8. ## Calculus

The nth term of a sequence is represented by 2n^4+25n^2+32n−15 ____________________ 6n^4+2n^3−11n^2−2n+17. What is the limit of the the nth term as x becomes increasingly large? A)0 B)1/3 C)3 D)The limit does not exist.

9. ## Math

What is the rectangular equivalence to the parametric equations? x(θ)=4cosθ+2,y(θ)=2sinθ−5 , where 0≤θ

10. ## Calculus

A cosine function is a reflection of its parent function over the x-axis. The amplitude of the function is 9, the vertical shift is 11 units down, and the period of the function is 12π/7. The graph of the function does not show a phase shift. What is the

11. ## precalculus

Your town's public library is building a new wheelchair ramp to its entrance. By law, the maximum angle of incline for the ramp is 4.76°. The ramp will have a vertical rise of 1.5 ft. What is the shortest horizontal distance that the ramp can span. a)

12. ## precalculus

Write the composed trigonometric function sin(arctan x) in terms of x. Explain your steps and/or show your work. Remember to rationalize the denominator if necessary.

14. ## Calculus

The polar equation r=7sin(2θ) graphs as a rose. What is the length of the petals of this rose?

15. ## precalculus

Verify the identity: sin(A+B)/sin(A-B) = tan(A)+tan(B)/tan(A)-tan(B) Explain steps

16. ## Health

Which of the following illustrates enthusiastic consent? A. a person sending sexual photos to a person who does not want them B. A sexist joke about women driving C. A couple exited about there first kiss D. a person pressuring their partner into sexual

17. ## Calculus

Consider the series 1/4+1/6+1/9+2/27+4/81+.... Does the series converge or diverge? Is the series arithmetic, geometric, neither, or geometric with an absolute value of the common ration being greater/ less than 1?

18. ## mathematics

nisha has a rectangular plot of land that has been fenced with 300 m long wires . Find the dimentions of the plot,if its length is twice the breath

19. ## Science

An object of mass 10kg is placed on an inclined plane at 30 degree to the horizontal, calculate the reaction between the two surfaces and the coefficient of static friction

20. ## Eglish

What is the agreement error in this sentence? One of the options concerning his future surgeries were discussed with him.

21. ## English

Read the two sentences. I listened to the birds singing. I read a book on the patio. Which sentence combines the two sentences using a present participle? I listened to the birds singing, and I read a book on the patio. While I listened to the birds

asked by 21 pilots (not really)
22. ## math

The table shows the number of beads used to make a necklace. Ginger wants to make a smaller necklace using the same ratio of pink to white beads. How many different necklaces could Ginger make? How do you know? Colour Number Pink 30 White 35

23. ## Calculus

Find lim x->3.5 [[x-2]]/x (Remember that [[x]] is the greatest integer function) The choices are -1/3.5 1/3.5 0 -2/3.5 Does not exist I got 0 but I'm not sure if it is correct.

24. ## Physics

Consider a ballistic pendulum experiment in which the mass of the ball (bullet) and the pendulum cage (block) are the same. What would be the expected percentage loss of kinetic energy in this experiment?

25. ## chemistry

What is the VSEPR shape of NBr3? I think its trigonal pyramidal

26. ## Math

In a card game, each player is dealt 5 cards. Make a table to show the total number of cards dealt for each number of players from 3 to 6. Write each ratio of players to cards dealt.

27. ## biology

Suppose a mutation occurs in an individual animal in a population. What possible outcomes could happen if the mutation had these different effects on the animal? The picture is a fish in a school where a fish has red stripes while the others don't These

28. ## algorithm

Draw a flowchart to represent the algorithm that captures the marks and then evaluates and displays relevant grades according to the table above

29. ## Math

A model rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -8.0x^2 + 12X +25.8, Where x is the horizontal distance, in meters from the starting point on the roof and y is the height, in meters of

30. ## Math

The inequality 2 p is less than or equal to 18 can be used to determine how many pounds of apples at \$2.00 per pound, p, you can buy while spending \$18.00 or less. What is the greatest number of pounds of apples you can buy? A. 9 pounds B. 16 pounds C. 20

2/3 as a %

32. ## Algebra

A cell phone company orders 400 new phones from a manufacturer. If the probability of a phone being defective is 2.1%, predict how many of the phones are likely to be defective. Round your answer to the nearest whole number. I'm really sorry but I need

33. ## Geometry

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Find the area of the parallelogram. bad little picture of the parallelogram down there (its the best i could do) ---------------------------- \ l \9 cm

34. ## Science/math

Wastewater from a small town is treated in a trickling filter which is preceded by a screen, sand-removal and primary clarification. The maximum hydraulic capacity, or peak flow, of the treatment plant is 1,500 m³/h. The dry weather flow (Qdwf) amounts

35. ## Math

A town clock has an hour hand that is 60 cm long. How many cm does the tip of the hand move each second?

36. ## Math

A sweater regularly priced at \$135 is on sale at 15% off. How much would you pay for the sweater, including taxes of 12%? (calculate the tax after discount).

37. ## math

Ms. Olivieri’s class plays a game in teams. Each team has the same number of students. The ratio of teams to players is 8:32. How many students are in Ms. Olivieri’s class? How many students are on each team?

38. ## Mathematics

The table shows the number of beads used to make a necklace. Ginger wants to make a smaller necklace using the same ratio of pink to white beads. How many different necklaces could Ginger make? How do you know?

39. ## art

a graphic designer programs and add for an electronic game system for ages 5-10. which add image would be most effective in convincing parents who are concerned about the value of electronic games to buy the system?

40. ## MATH

Christy drove 300 miles on her vacation. She drove 1.25 time faster on the second 150 miles of her trip than on the first. Which expression represents the time she spent driving? Let x be her speed for the fist half. A. 375/x** B.337.5/x C.270x D.270/x

An eclipse occurs when some celestial body in the heavens moves into the shadow of another celestial body. Earth has two types of eclipses: a lunar, referring to the moon, and a solar, referring to the sun. These happen when the Sun, Moon, and Earth are

42. ## Calculus

Find d^5/dx^5 g(x) for g(x)=sinx+5x^4 A. cos x B. sin x + 120 C. -cos x +20x^3 D. -cos x + 120 x E. sin x

43. ## math

Which expression is equivalent to -1.3 - (-1.9)

44. ## Mathematics

Murimi and naliaka both had each 840 tree seedlings.murimi planted equal nimber of seedlings per row in x rows while naliaka planted equal number of seedlings in (x+1)rows.the number of tree seedlings planted by murimi in rach row were 4 more than those

45. ## History

Which factor most likely caused a decline in Grange membership? A.Wheat prices decline. B.Spikes in railroad prices. C.Variances in freight costs. D.Farms faved severe drought.

46. ## Algebra

A cell phone company orders 400 new phones from a manufacturer. If the probability of a phone being defective is 2.1%, predict how many of the phones are likely to be defective. Round your answer to the nearest whole number.

47. ## Careers

Which careers can I choose from Consumer Studies , Tourism, Geography, Mathematica

48. ## Math

Name the point with the given coordinates. (-4,2) Answers to test or help with the question please!!

49. ## social studies

How did the arrival of European settlers change life for indigenous people on the plains? The settlers and Native Americans used horses to hunt buffalo more effectively and carefully managing the resources. Settlers and the indigenous people of the Plains

asked by 21 pilots (not really)
50. ## Algebra II

write an explicit formula for the sequence then find the fifth term a_1 = 3, r = -3 a. a_n = 3*(-3)^n-1; 243 b. a_n = -3*(3)^n-1; -243 c. a_n = 3*(3)^n; 243 d. a_n = 3*(-3)^n; -729 thank u!!

51. ## mathematics

Mr. Allen tries the detergent shown to the right. He finds that he can do 8 loads using one bottle. What fraction of the advertised number of loads was he able to do?

52. ## Math

The original selling price of a jacket was \$122. At the end of the week the price was reduced by 10%. At the end of the second week, the price was further reduced by 10%. What was the selling price of the jacket after two weeks?

53. ## math

Two professional downhill skiers are racing at the speeds shown in the diagram. *Skier 1 is going 100 ft/s, and Skier 2 is going 110 ft/s. Skier 1 starts 5 seconds before Skier 2. The course is 5000 ft long. Will Skier 2 pass Skier 1?

54. ## Math

A 2.4-kg bag of grass seed covers an area of 1200 m^2. What area will 1 kg of grass seed cover? 1 point

55. ## Probability

Q1 . Let X1 , X2 , X3 be i.i.d. Binomial random variables with parameters n=2 and p=1/2 . Define two new random variables Y1 =X1−X3, Y2 =X2−X3. We further introduce indicator random variables Zi∈{0,1} with Zi=1 if and only if Yi=0 for i=1,2 .

56. ## English

What is the appositive phrase in this sentence? My birthday gift, a new red bike, has been sitting in the basement all winter. birthday gift sitting in the basement a new red bike all winter

asked by 21 pilots (not really)
57. ## math

How does cos(x)+2cos^2 (x) -1=0 become cos(x)=1/2 or -1?

58. ## Consumer Math

Adena expects to write 16 checks a month. She has checking account B. How much will Adena pay for her checking account each month?

59. ## Physics

The absolute pressure 20 m beneath the ocean is 303 kPa. Atmospheric pressure above the ocean is 101 kPa. What gauge pressure (in kPa) would a diver measure at this 20 m depth? Thanks

60. ## Physics

A football is punted and leaves the punter’s foot at a height of 1.00 m above the ground. The football’s initial velocity is 21.5 m/s 35o above the horizontal. (a) How far did the football travel horizontally before hitting the ground? (b) What is the

61. ## medieval history

How do the beliefs of being a Christian and being a Crusader contradict each other? How are the ideas of the Crusades used today for both Christians and Muslims?

62. ## English

To Kill A Mockingbird chapter 23, What explanation does Atticus give to Jem for not taking action (legal or otherwise) against Bob Ewell? I can't figure out where this happens, I've reread the chapter multiple times and still can't figure it out. Please

63. ## science

Can someone check my answers or give me some help please?? An ecosystem is a community of living organisms and the nonliving components of the environment. Energy flows in an ecosystem in one direction through food chains, and a food web is made up of all

64. ## Civics

Over which part of the executive branch does the president have the most control?

asked by Ummm i need help FAST
65. ## math

For x+3/x-4 is less than or equal to 0, why is the interval notation [3,4)?

66. ## English

What is the agreement error in this sentence? Although they seemed inflamed, the site of the previous craniectomy seemed free of defect.

67. ## Algebra

Another question! Continuing from my last question about the summation notation, would my first term that i’m finding start at two? I need to find the first four, so the first one (using 1) is 1. The second on (using 2) is -2. The third one (using 3) is

68. ## Math

If i have a graph my x axis any y axis is max number 10. So the boxes go 0 space then second box 5 then space then 10. How do i determined what number is between for the blank box . I tried 2.5 ive tried 3 but it doesnt look right . So total of boxes and

69. ## algebra

Stock exchange trading is based on the people being well aware of exponential changes. Suggest a suitable formula for describing a growth of seven percent per year.

70. ## Chemistry

Calculate the:a)Number of moles present in 25cm^3 of a 0.2M NaOH solution

71. ## Mathematics

Find the interest earned if RM 7500 is invested for 6 years at 6.4% compounded quarterly.

72. ## Math

Having a table where x goes 0,1,2 and y goes 6,9,21 How do i make equation . I tried the change of y over x . But im still not getting right answer

73. ## Mathematics

RM X was deposited in a savings account at 4% interest compounded monthly. Forty months later, RM 4200 was withdrawn from the account and the balance was RM 4212.39. Find the value of X.

74. ## Probability

Let X1 , X2 , X3 be i.i.d. Binomial random variables with parameters n=2 and p=1/2 . Define two new random variables Y1 =X1−X3, Y2 =X2−X3. We further introduce indicator random variables Zi∈{0,1} with Zi=1 if and only if Yi=0 for i=1,2 . 1. Calculate

75. ## Pre Calculus

If you were to plot all of these polar points, which would not be the same? a) (2, 15pi/6) b) (2, pi/6) c) (-2, -5pi/6) d) (-2, 7pi/6)

76. ## Physics

A long rope is fixed at one end and the free end is made to oscillate in one plane at right angles to the rope with a frequency of 4Hz.The successive crest are 0.6 apart.Calculate the speed of the wave

77. ## mathematics

a retail store offers two different hourly compensation plans: plan A: \$9.00 per hour Plan B: \$7.50 per hour worked plus a \$4.50 shift bonus graph the linear system when would the earnings from the two plans be the same?

78. ## history

why were fur trade, Indians, settlement, and local government problems with westward expansion?

79. ## social studies

Which of the following best explains why Intuits might have wanted to create a self-governing territory? The cultural landscape of the Intuits and Canadians are very similar. Intuits have a stronger economy and government than Canada.*** The Yukon

80. ## English

Explain “What is Hamlet ‘about’?” and “What are its enduring themes and messages?”.

82. ## MATH

Daniel bought a container shaped like a rectangular prism to hold his photo collection. If the container's dimensions are 6 in. by 8 in. by 10 in., what is its volume? plz help

83. ## social studies

During the Constitutional Convention, a constitution was drafted defining the powers of the federal government. State at least 10 of these powers.

84. ## chemistry

400 g of ice at -20C is put in a microwave with a power of 1000W. How long does it take for the water to heat up to 95C?

85. ## Chemistry

What would be the change in energy for an atom when an electron goes from n=6 to n=3? I'm assuming it would be negative because you would have to lose energy to go down energy levels. Would that be correct?

86. ## science

In a food chain, the energy moves from organism to organism. Which of the following is the correct order of energy movement in a food chain? sun, carnivores, predators, herbivores sun, consumers, predators, producers sun, producers, herbivores, carnivores

87. ## Science

Do you think the design of the non-removable pull tab will change again or is this the final design? Why?

88. ## Algebra

I need help with this question: x^2-20x+24

89. ## Math

If the central angle of a circle is 70 degrees and the arc length is 10 cm, what is the length of the radius?

90. ## Math

Consider points A to F shown on the coordinate plane. What are the coordinates of points C, D, and E?

91. ## Government

Under the federal system, some powers are shared by the state and national governments, while others are limited to either the national government or the states. Which of the following powers are limited to the state government? Select all that apply. * A.

92. ## Math

The dimension of a rectangular pool are 32.5 feet by 15 feet. The depth of the water is 5 ft. Each cubic feet contains 7.48 gallons of water. How many gallons of water to the nearest tenth are needed to fill the pool to 75 %

93. ## Social Studies

Drag and drop the events arrange them from the event that came first to the event that came last. 1. Parliament urges Mary and William II to force the king from power. 2. The English king is overthrown. 3. Parliament askes Charles II to become king. 4.

94. ## mathematics

If you roll a 6-sided die 6 times, what is the best prediction possible for the number of times you will roll a one?

95. ## Calculus

Good afternoon. How would a formula be made for this question? I believe it is arithmetic. How many rows are in the corner section of a sports complex if the first row has 18 seats and the last row has 51 seats and each successice row has one additional

96. ## Math

State the related acute angle for sin(-π/3) and then find the exact value I am getting 60 degrees, is this correct?

97. ## math

Eliminate the parameter to find a description of the following circles or circular arc in terms of x and y. Give the center and radius and indicate the positive orientation. x=3sin(t), y=-3cos(t) ; 0 < t < 2pi

98. ## prealgebra

Step 8: Fill In the blank. What is the slope of the kangaroo's line? K=30h+80. Start is 80 1 hour is 110 2 hour is 140 3 hour is 170 4 hour is 200 5 hour is 230. Miles is 0, 50, 100, 150, 200, 250 and 300. For the start it shows 0 than 1, and 2, then 3,

99. ## Mathematics

A single die is rolled three times. A success is considered rolling a 6. What is the probability of rolling at least one 6?

100. ## Mathematics

(5x^3-x^2+0x+6)÷(x-4)

101. ## Math

State the related acute angle for sin(-π/3) and then find the exact value I would really appreciate an explanation on how to get the answer

102. ## Math

Elena went on a 6-mile walk. She completed the first half of the walk 1 mi/h faster than usual and the second half of the walk 2 mi/h slower than the first half. a. If it took her 7 .2 h to complete the walk, what is her usual rate? b. What is the formula

103. ## Algebra 2

Homework help!! ∞ Σn=1 -4(-1/2)^n-1 This converges at -2 2/3, or -2.66– Correct? The formula I used is a1/1-r. then i put -4/(3/2). then multipled by reciprocal. to get -8/3. then -2 2/3. and then to -2.66-

104. ## physics

Two people push a box at the same time. A person pushes a 5 kg box with 15 N of force towards the north. Another person pushes the same box with 25 N of force towards the east. What direction does it get pushed at

105. ## social studies

Theodosius decided to do what after his death?

106. ## English

Apparently, the pandemic has set-off global issues in which affects many lives. There are restrictions, lockdowns along different adjustments from our normal life before the outbreak and we got no idea when this would end. What are your realizations

107. ## Calculus

→ n =〈−1,−2〉 and D=[−4 2] [4 3]. → What is D ⋅ n?

108. ## Tourism & Hospitality

In light of the decision of the government with regards to reopening of tourism-related businesses and activities in moderation of the threats of Covid-19, what will be your motions to the tourism operators (such as safety measures) considering the safety

109. ## Algebra 2

I made a new question because I don’t think the tutor will look back at my reply! Hopefully you guys don’t get mad at me. The sum of the reciprocals of two consecutive even integers is 9/40. this can be represented by the equation shown.

110. ## mathematics

You set a goal to save at least 1,100 over a six week period. You are trying to decide between two plans. You are trying to decide between two plans Plan A: Deposit \$100 the first week and deposit 25% more each successive week for the next 5 weeks Plan B: