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Josh fires a catapult 18 ft above the ground with an initial velocity of 25 ft/sec. The misslie leaves the catapult at an angle
1. 3 answers
2. 599 views
Fill each blank with a coordinating word or phrase and proper punctuation in order to form a combined sentence.1.Exercise has
1. 8 answers
2. 902 views
A flask contains 0.528 g of acid and a few drops of phenolphthalein indicator dissolved in water. The buret contains 0.200 M
1. 0 answers
2. 544 views
A box weighing 8.0 kg has to be moved from the floor to the back of the truck, using a ramp 2.5 m long inclined at 30°. The
1. 1 answer
2. 576 views
A ice cream shop sells 4 flavors of ice cream, assume that all orders of two scoops are equally likely, what is the probability
1. 1 answer
2. 584 views
A spacecraft in orbit around the moon measures its altitude by reflecting a pulsed 10Mz radio signal from the surface. If the
1. 1 answer
2. 1,416 views
2NO(g)+O2(g)<->2NO2(g) has KP = 2.77 × 1011 at 25 °C. Suppose a mixture of the reactants is prepared at 25 °C by transferring
1. 4 answers
2. 553 views
Society often forces individuals to act a certain way. The manipulation of blending into the masses in order to follow the
1. 0 answers
2. 403 views
At 25 oC, Kc = 0.145 for the following reaction in the solvent CCl4.2BrCl <----> Br2 + Cl2 A solution was prepared with the
1. 2 answers
2. 3,383 views
At 25 oC, Kc = 0.145 for the following reaction in the solvent CCl4.2BrCl <----> Br2 + Cl2 A solution was prepared with the
1. 0 answers
2. 861 views
What is the molarity of an HCl solution if 14.0mL HCl solution is titrated with 22.6mL of 0.155 M NaOH solution?
1. 1 answer
2. 728 views
A sample of nitrogen gas is collected overwater at a temperature of 23°C. What is the pressure of the nitrogen gas if the
1. 1 answer
2. 692 views
If a 1.5V battery stores 5.0kj of energy,for how many minutes could it sustain a current of 1,2A?
1. 1 answer
2. 3,897 views
If there are 5 liters of oxygen gas (O2) at 300 K and 400 torr, what will it weigh?Answer in units of g. Do I use the Ideal gas
1. 3 answers
2. 1,907 views
How much Na is needed to react with H2O toliberate 179 mL H2 gas at STP? Answer in units of g Please help me with what formulas
1. 1 answer
2. 1,362 views
Work it out. How many joules of heat is given out when pieces of iron of mass 50g and specific heat capacity =460kgk cools from
1. 5 answers
2. 858 views
Newton law of cooling and cooling collision.
1. 1 answer
2. 552 views
240N
1. 0 answers
2. 343 views
Write on Newton law of cooling and cooling collision.
1. 1 answer
2. 515 views
Consider what you have learned about American history during the period of 1862 the early 1900s how did the stories by Mark
1. 3 answers
2. 2,382 views
A pilot of an airplane flying at 12,000 feet sights a water tower. The angle of depression to the base of the tower is 25°.
1. 1 answer
2. 1,970 views
Is the period of f(x) = 2cos(3x - ð) 2ð/3?
1. 2 answers
2. 397 views
The density of ice is 0.9168 g/cm3.The density of water is 0.9998 g/cm3. Calculate the difference between ΔU (internal energy)
1. 1 answer
2. 838 views
How much copper is in 4.722 mol of copper(II)chloride? Answer in units of g What should I do?
1. 0 answers
2. 349 views
Balance this chemical equation.K4Fe(CN)6 + KMnO4 + H2SO4 ---> KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O
1. 2 answers
2. 3,113 views
A 150N block rests on a table. The suspended mass has a weight of 73N.a) What is the magnitude of the minimum force of static
1. 2 answers
2. 3,655 views
A 150N block rests on a table. The suspended mass has a weight of 73N.a) What is the magnitude of the minimum force of static
1. 0 answers
2. 664 views
What amount of energy is required to completely ionize 21.5 grams of carbon atoms in the gas phase (C(g)) if the ionization
1. 1 answer
2. 749 views
Which element is located in the family represented by ns²np³?A) Ti B) Se C) AS D) I E) Sb
1. 2 answers
2. 506 views
Which statement concerning the electrons surrounding the nucleus of an atom is NOT correct?a) When 2 electrons pair together,
1. 1 answer
2. 1,855 views
Calculate the density of a substance in pennyweights per peck that has a volume of 0.371 hogsheads and a mass of 41.6 kg.1
1. 7 answers
2. 2,166 views
Let f(x) = 2x-1 and g(x) = 4-x. Find all values of x for which f(x) < -1 or g(x) <3. solution set in interval notation.
1. 1 answer
2. 947 views
Thomas needs a b in his class. his current test scores are 88, 83, 86 and 72. his final exam is worth 3 test scores. In order to
1. 2 answers
2. 1,308 views
Is the difference of quotient of f(x) = -3x² -x equal to -3h - 6x - 1?
1. 1 answer
2. 393 views
Calculate the frequency of radiation with a wavelength of 1.27 × 104 °A (angstroms).Answer in units of s^−1. I got
1. 5 answers
2. 854 views
Please can you explain what this question means. I don't understand the question especially 'carbon'.Design your own carbon to
1. 4 answers
2. 573 views
Elements with an even number of protons and neutronsA. never undergo alpha decay emission. B. have a single magic number of
1. 0 answers
2. 529 views
Naturally occurring boron is 80.20% boron-11 (of atomic mass 11.01 amu) and 19.80% of some other isotope form of boron. What
1. 3 answers
2. 2,005 views
Find two quadratic functions, one that opens upward and one that opens downward, whose graphs have the given x-intercepts.(-3,
1. 1 answer
2. 1,972 views
Write the standard form of the quadratic function that has the indicated vertex and whose graph passes through the given point.V
1. 1 answer
2. 1,572 views
Is this grammatically correct?However, through influence by Lord Henry Wotton with his words, “Don’t squander the gold of
1. 1 answer
2. 369 views
Is this sentence grammatically correct?In the novel, Picture of Dorian Gray, by Oscar Wilde, the character Dorian Gray conveys
1. 1 answer
2. 549 views
I need help sketching the graph of a piecewise function.f(x) = { x² if |x|≤1, -x² if |x|>1
1. 1 answer
2. 449 views
How do I find the minimum or maximum of this y = 2x³ + 3x² - 12x? It makes 2 curves.
1. 1 answer
2. 731 views
Determine the open intervals on which the function is increasing, decreasing, or constant.f(x) = 3 f(x) = x^(2/3) f(x) =
1. 1 answer
2. 2,880 views
Determine whether the equation represents y as a function of x.|y| = 4 - x If I plug in 5, then I get -1, but it also means 1.
1. 1 answer
2. 653 views
Which sets of ordered pairs represent functions from A to B? Explain.A = {a, b, c} and B = {0, 1, 2, 3} A. {(a, 1), (c, 2), (c,
1. 1 answer
2. 7,347 views
Write the first four terms of the sequence defined by the recursion formula.a1 = 6 and an = 3an-1 for n ≥ 2
1. 2 answers
2. 1,387 views
The percent decrease from 5 to 4 is how much less than the percent increase from 4 to 5?A. 0% B. 5% C. 15% D. 20% E. 25%
1. 3 answers
2. 525 views
If θ represents an angle such that sin2θ = tanθ - cos2θ, then sin θ - cosθ =A. -√2 B. 0 C. 1 D. 2√2 What equation can
1. 3 answers
2. 1,828 views
A gas is sealed in a container with rigid walls that allow heat to flow through them. A thermal process takes place on the gas.
1. 1 answer
2. 507 views
A large air-filled 0.1-kg plastic ball is thrown up into the air with an initial speed of 16 m/s. At a height of 4.7 m, the
1. 1 answer
2. 1,605 views
Please help.Concentrated hydrochloric acid is a 38% w/w solution of HCL in water and has a density of 1.18g/ml. How many
1. 1 answer
2. 644 views
Please help.Concentrated hydrochloric acid is a 38% w/w solution of HCL in water and has a density of 1.18g/ml. How many
1. 2 answers
2. 760 views
(x-16)^2=64
1. 2 answers
2. 333 views
Outline a separation scheme for isolating pure isopentyl acetate from the reaction mixture.
1. 1 answer
2. 1,599 views
Determine whether the pair of lines are parallel, perpendicular, or neither.1)f(x)=2/3x+1 2)2y+3x=1
1. 1 answer
2. 397 views
Y=x^3-6x^2+9x-4.calculate the average rate of change of y with respect to x.
1. 1 answer
2. 455 views
A tank consists of a right circular cylinder at height (h)surmounted by a hemisphere at a radius (r) with an outlet atthe top.
1. 0 answers
2. 667 views
hello i am doing a recearch project on Hong Kong and one of the questions are: what are your countries Fiscal and monentary
1. 4 answers
2. 571 views
I'm confused on the rule of multiplication and the rule of addition. When do I use each to determine the probability of a
1. 0 answers
2. 417 views
The observed distribution of offspring was: black-red 1,070; black-white 177; green-red 180; green-white 1,072. Based on these
1. 2 answers
2. 1,185 views
Jessica has no dimples and attached ear lobes. Jessica's mother has dimples and detached ear lobes, and her father has no
1. 1 answer
2. 535 views
Solve each equation below for x. (Use logarithms.)10^(2x^(2)-5x+11) = 10000 9^(2(x-1)) = √(27)
1. 1 answer
2. 451 views
You have 20 grams of phosphorus-32 that decays 5% per day. How long will it take for hlaf of the original amount to decay?
1. 3 answers
2. 2,812 views
Who benefited from the growth of classical liberalism during the industrial revolution? Who did not benifit from it?Why didn't
1. 2 answers
2. 502 views
Who benefited from the growth of classical liberalism during the industrial revolution? Who did not benifit from it?Why didn't
1. 0 answers
2. 845 views
1. MES (2-(N-Morpholino)ethanesulfonic acid) is a common buffer used in biochemistry labs to stabilize proteins. The pKa for MES
1. 3 answers
2. 1,688 views
In how many places doesy=4x^2-2x-5 cross the x axis?
1. 1 answer
2. 316 views
My son is grade 4his homework have question is : when you multiply any number by 1,what is the product ? Please help !!!!
1. 4 answers
2. 553 views
when you multiply any number by 1,what is the product ?
1. 1 answer
2. 280 views
solve 3^x=4^(x-2)
1. 1 answer
2. 335 views
An orange grower finds that she gets an average yield of 40 bushels per tree when she plants 20 trees on an acre of ground. Each
1. 0 answers
2. 714 views
What is the maximum product of two numbers whose sum is 22? What numbers yield this product?
1. 2 answers
2. 7,410 views
A rancher is fencing off a rectangular area with a fixed perimeter of 76 m. What dimensions would yield the maximum area? Find
1. 1 answer
2. 1,677 views
Consider a circle centered at (2,4). What are the coordinates of the center of the translated circle if we replace x with x-3
1. 1 answer
2. 490 views
Find the equation of the parabola that goes through the given points.(1,2) (0,5) (-1,14)
1. 1 answer
2. 444 views
The perimeter of a rectangle RSTV is 44 ft. Find the least value of the diagonal RT.
1. 1 answer
2. 503 views
what are 4 main disadvantages of visiting other countries?
1. 1 answer
2. 311 views
Show that for any complex number z, |z| = |-z|. (Hint: Let z = a + bi.)
1. 1 answer
2. 391 views
A ball, of mass 0.3Kg, is held on the inside of a smooth hemispherical bowl at a height 0.15 m above the base. It is then
1. 1 answer
2. 555 views
R is bounded by Y=2x-x^2 and the x-axis. Find the centroid of R. Sketch the region.
1. 0 answers
2. 506 views
Two forces, 422 N at 24� and 278 N at 29� areapplied to a car in an effort to accelerate it. mass of the car is 3000kg Find the
1. 1 answer
2. 463 views
Which functional group is most likely to be responsible for an organic molecule behaving as a base (-OH donator / H+ acceptor)?A
1. 1 answer
2. 933 views
If a protein's primary structure is predetermined or directed by a "source." what might this "source" be?
1. 0 answers
2. 461 views
There are 20 amino acids that cells use to build the numerous amounts of proteins that are essential for life. If a protein
1. 0 answers
2. 965 views
When x² - 3x + 2k is divided by x + 2, the remainder is 7. Find the value of k. Use synthetic division to do so.
1. 1 answer
2. 3,357 views
When two rational expressions are divide, the quotient is 5x² + 3x + 12 + 7/(x + 5. What are the two polynomials?
1. 2 answers
2. 1,387 views
(4a³b + 5a²b² + a⁴ + 2ab³)÷ (a² + 2b² + 3ab)
1. 3 answers
2. 976 views
A falling skydiver has a mass of 123 kg.(a) What is the magnitude of the skydiver's acceleration when the upward force of air
1. 2 answers
2. 1,271 views
A box is sliding up an incline that makes an angle of 12.0° with respect to the horizontal. The coefficient of kinetic friction
1. 1 answer
2. 1,259 views
Factor.-16 + 17(5-y²)-(5-y²)² and [x + y + 1][x² - x(y + 1)+(y + 1)²
1. 1 answer
2. 369 views
Factor.(y-1)⁴ - (y-1)²
1. 1 answer
2. 322 views
1/16(x)^3a + 1/2(y)^(6a)(z)^(9b)
1. 2 answers
2. 299 views
Factor.2x⁴ + x³ + 2x² + 4x - 24
1. 1 answer
2. 594 views
Solve for x.x³ + ax² - a²x - a³ = 0
1. 1 answer
2. 601 views
Solve for x.2x² - 5bx + 4cx - 10bc = 0
1. 2 answers
2. 595 views
1:3 and 1:2Which one is a larger ratio? What does it mean for a ratio to be larger or smaller? Thank you.
1. 0 answers
2. 348 views
Can anyone check this text and if there are any mistakes, fix it?I am writing to complain about the advertisement for your new
1. 2 answers
2. 893 views
Calculate the mean and standard deviation of the probability distribution created by rolling a dice. Either show work or explain
1. 0 answers
2. 372 views

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