# dylan

Popular questions and responses by dylan
1. ## geography

How does plate movement create mountains? A.The pressure created by moving plates forces magma up through Earth's crust, forming mountains. B.When two plates push against each other, the pressure makes the crust bend to form mountains. C.When plates slide

2. ## Science

1.) Why is it important to have a quiet study space? It is easier to concentrate in a quiet space, and concentration is needed to learn. * It is easier to leave all your study material in a quiet study space so you can find it. A quiet study space prevents

3. ## Chemistry

Why are standard electrode potentials affected by the nature of the electrode?

4. ## Chemistry

Reduction Reaction E0 (V) Cadmium (Cd) Cd2+ + 2e– → Cd -0.40 Silver (Ag) Ag+ + e– → Ag +0.80 If the standard cell potential of a cadmium-silver cell is 1.20 V and the reduction potential of Cd is –0.40 V, what is the oxidation potential of Ag?

5. ## Chemistry

MnO4– + SO32– + H2O → MnO2 + SO42– + OH– How many molecules of water (H2O) are required to balance the equation?

6. ## math

At the start of 2015, Barry's house was worth £270000. The value of his house increased by 3% every year. Work out the value of his house at the start of 2020.

7. ## CHEMISTRY

which of the following represent a buffer system? A.) NaOH and NaBr B.) HF and NaF C.) HC2H3O2 and C12H22O11 D.) HCl and KOH

8. ## Health

The functional unit of the nervous system is.. A. The Neuron B. The Brain*** C. A reflex D. The cerebrum

9. ## math

Replace each letter with a number to make the problem correct. Identicle letters are placed with identicle numbers. PARTS x 4 = STRAP

10. ## Math

Find the measure of each angle to the nearest tenth of a degree. sin A=0.7245

11. ## English

26. identify the degree comparison for the underlined word the most original idea was suited by a pair of tenth graders (Most original is underlined) A. Positive B. comparative c. superlative d. none of the above I think it is c identify the degree of

12. ## Science

8. The balanced equation P4 (s) + 6H2 (g) --> 4PH3 tells us that 2 mol H2 a. reacts with 1 mol 4 b. produces 4 mol PH3 c. cannot react with phosphorus d. produces 2 mol PH3 e. reacts with 2 mol P4 idk y i cant seem to get the answer from the choices above?

13. ## US History

Read the following quote from Thomas Jefferson: "A wise and frugal government, which shall leave men free to regulate their own pursuits of industry and improvement, and shall not take from the mouth of labor the bread it has earned—this is the sum of

14. ## College Physics

On planet Z, the standard unit of length is the foose. Ann the Astronaut is 5.90 feet tall on earth. She lands on planet Z and is measured to be 94 foosi tall. Her partner Rachael is 88 foosi tall. How tall is Rachael on Earth?

15. ## Chemistry

does BaCl2+Pb(NO3)2 form a percipitate

16. ## Algebra

Image of one smaller cube labeled with fish food with dimensions of one-quarter feet on each side. Larger cube labeled shipping box with dimensions of length 3 and three-fourths feet; width of 3 feet; height of 3 and one-quarter feet. Determine how many

17. ## Physics

A disk at rest experiences a constant angular acceleration for t = 85 s, at the end of which it is spinning with a frequency of f = 45 rpm. Please answer the following questions. A)Write an expression for the magnitude of the angular velocity of the disk

18. ## math

Terry is an up-and-coming florist who specializes in weddings. He uses 5 roses, 3 daisies, and 4 bundles of green filler to make one bouquet. If r is the cost of a rose, d is the cost of a daisy, and f is the cost of a bundle of green filler, which

19. ## English

Which of the following sentences from "Five Hours to Simla" best supports the story's theme about the clash between modernization and traditional life? A:"After the first cacophony of screeching brakes and grinding gears, there followed the comparatively

20. ## Math 11

From a weather balloon high in the air, the angle of depression of a ground marker is 27.8 degrees. If the balloon rises 345 m straight up the angle of depression from this higher point is 46.2 degrees. How high above the ground is the balloon?

21. ## CALCULUS

For some positive constant C, a patient's temperature change, T , due to a dose,D , of a drug is given by T=(c/2-D/3)D^2 What dosage maximizes the temperature change The sensitivity of the body to the drug is defined as . What dosage maximizes sensitivity?

22. ## Math

A running tap dispenses 0.15 gallons of water every second. How many pints of water is dispensed after 20 seconds? Please show me how to get the answer.

23. ## Science

Which of the following would best explain why a species of wildflower native to Switzerland is observed growing in the wild in Montana? Wind dispersed seeds of the wildflower.* Water dispersed seeds of the wildflower. A human brought and dispersed the

24. ## Chemistry

What is the oxidized substance in the following reaction? Fe + 2HCl → FeCl2 + H2

25. ## Chemistry

How many moles of oxygen (O2) are required to completely react with 27.4 mol of H2?

26. ## chemistry (Bohr model)

The second ionization energy of He is almost exactly four times the ionization energy of H, and the third ionization energy of Li is almost exactly nine times the ionization energy of H: IE (MJ mol-1) H(g) --> H +(g) + e- (1.3120) He+(g) --> He2+(g) + e-

27. ## Algebra

How many real number solutions does the equation have? 0 = -7x^2 + 6x + 3 one solution two solutions** no solution How many real number solutions does the equation have? 0 = 2x^2 - 20x + 50 one solution two solutions no solution**

37. ## math #2

Look at the pattern of shaded numbers. use place value to describe how the number change. 501 is shaded,502,503,504,505,506,507,508,509,510,511,512,513 is shaded,514,515,516,517,518,519,520,521,522,523,524,525 is

38. ## Math

A die is rolled once. What is the probability of getting number 5?

39. ## Trigonometry

A bridge across a valley is 150 m in length. The valley walls make angles of 60° and 54° with the bridge that spans it, as shown. How deep is the valley, to the nearest metre?

40. ## Algebra

Seven times the smaller of 2 numbers plus 9 times the larger is 178. When 10 times the larger is increased by 11 times the smaller the result is 230. Find the numbers.

41. ## Algebra

Evaluate this expression for a= -2 2a to the 3rd power times (2a) to the 3rd power

42. ## Algebra

I am thinking of two numbers. The first number added to the second number is 5. Twice the first number added to twice the second number is 10. What are the numbers. ????? 1&4

43. ## English

Choose the answer that best matches the word in italics. One way to save money on electricity is to replace incandescent bulbs with compact fluorescent (CF) light bulbs. A.) outside visible spectrum B.) creating light by radiating heat* C.) emitting light

44. ## Chemistry

Determine the pH of a solution made by diluting 25mL of 6.0 M HCl until the final volume of the solution is 1.75 L

45. ## indian ridian ridge

Simplify the given expression to rational exponent form and justify each step by identifying the properties of rational exponents used. All work must be shown. 1/cubed root of x to -6 exponent

75. ## physics

A particle carrying a charge of 6.0uC is located at the origin of a rectangle coordinate system, and a particle carrying a charge of 4.0uC is located at (0,5.0m). What are the magnitude and direction of the electric field at the positions (5.0m,0),

76. ## Organic Chemistry

If you have 5.6 mL of 95% hexanes to 5% ethyl acetate, how many mL of 85% hexanes to 15% ethyl acetate can you make? Assume unlimited supply of pure ethyl acetate.

77. ## Column Chromatography

If you have 5.6 mL of 95% hexanes to 5% ethyl acetate, how many mL of 85% hexanes to 15% ethyl acetate can you make? Assume unlimited supply of pure ethyl acetate.

78. ## English composition

I'm writing a paper to explain a concept of the bevel Ella Minnow Pea. I've come up with a thesis statement and my teacher has approved it, but I'm just stuck as to what I'm writing about. The assignment instructions asks "How does Dunn legitimize his

79. ## English - grammar

How to decide how to end a sentence with he/him or she/her? Ex. We can not eat before he? or him?

80. ## Math 11

From a window in a building 20 m above ground the angle of depression of the top of a statue across the street is 30 degrees, and the angle of depression of the base of the statue is 34. How tall is the statue?

81. ## cook

I want to know wat all the weighing equipment is

82. ## statistics

Your mail-order company advertises that it ships 95% of its orders within three working days. You select an SRS of 100 of the 5000 orders received in the past week for an audit. The audit reveals that only 91 of these orders were shipped on time. A) What

83. ## precalc

(cos3x)^4+(sin3x)^4=cos(g(x)) find g(x)

84. ## Physics

A boat is pulled through a canal by horses walking parallel to the canal and exerting a force of 1000 N on a tow rope 40 meters long. If the distance from the boat to the horse track is 15 meters, what is the magnitude of the effective component pulling

85. ## math

look at the table of 9s facts. Is there another number pattern in the multiples of 9? Explain

86. ## math

A man is six feet tall and casts a shadow 4 feet long. At the same time a child is 4.5 feet tall, how long is her shadow?

87. ## physics

A ferry is crossing a river. The ferry is headed due north with a speed of 1.1 m/s relative to the water and the river’s velocity is 4.2 m/s to the east.Find the direction in which the ferry is moving (measured from due east, with coun- terclockwise

88. ## algebra 1

find the length of the following segment created by these pairs of endpoints: (0,1), (6,6)

89. ## math

Find the balance in an account that has \$700 invested at 5.5% for 4 years compounded semi-annually.

90. ## Chemistry

consider the following reaction: 2CH3OH(g) yields 2CH4(g) + O2(g) change in enthalpy= 252.8kJ How many kilojoules of heat are released when 38.4 g of CH_4 g) reacts completely with O2 (g) to form CH3OH (g) at constant pressure?

91. ## science

on what website can i find info on things made of the element hafnium:a picture,how it's made, and why it is made with hafnium.

92. ## math

if a hexagon has two right angles, what is the sum of the measures of the remaining angles?

93. ## Physics

A crow is flying horizontally with a constant speed of 2.50 m/s when it releases a clam from its beak. The clam lands on the rocky beach 2.20 s later. Consider the moment just before the clam lands. (Neglect air resistance.) A) What is its horizontal

94. ## chemistry

N2 (g) + 3H2 (g) → 2NH3 (g)ΔH = -92.6 Calculate ΔH (in kJ) for the decomposition of 30.5 g NH3 (g) into N2 (g) and H2 (g)

95. ## Math

Estimate to the nearest integer. Square root of -55

96. ## Math

if four friends share equally a 48 ounch bag of popcorn what fraction would each one get?

97. ## Math

Find a number whose square root is 24 more than 5 times the number. How do I set up this problem? Thank you for any help!

98. ## algebra I

Find a number whose square root is 24 more than 5 times the number. How do I set up this problem?

99. ## Science

The portion of the nervous system that controls involuntary activities is a subdivision of the ____ nervous system. A. sympathetic B. central C. peripheral D. parasympathetic I think it's either B or C right?