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Questions (172)

8/9x-3/4divided by 1/9 x -4/5dividedby 3/5
1. 3 answers
2. 7 views
Explain whether the function represents by this table of values is a linear function justify your answerX g(x) -3 3 -1 -13 1 -29
1. 1 answer
2. 42 views
First choose any two input values for c that crest an interval of 3 such as a and s + 3 use these values to complete the proof
1. 1 answer
2. 36 views
What is the output of f when x = -6?
1. 1 answer
2. 31 views
Which is the correct input-output table for a function f (x) = 3x2 - x + 4?A. X f(x) 0 4 1 6 2 14 3 28 B. X f(c) 0 0 1 2 2 10 3
1. 1 answer
2. 41 views
Solve the inequality 2(y+a) - y >a for y.
1. 2 answers
2. 109 views
Gout is an extremely painful disease caused by an error of nucleic acid metabolism or excretion that leads to a buildup of uric
1. 1 answer
2. 147 views
What are some reasons for the French and Indian war? Select all that apply.
1. 0 answers
2. 170 views
I had to do a complexation titration to calculate the concentration of aluminium. In this, 24.9274ml of EDTA was titrated
1. 0 answers
2. 235 views
Derive each of the set properties.For all sets A, B and C, (A – B) ∪ (B – A) = (A ∪ B) – (A ∩ B).
1. 1 answer
2. 225 views
Prove the following statements by mathematical induction.57 divides 7^(n + 2) + 8^(2n + 1), for n ∈ Z+
1. 1 answer
2. 582 views
Let P and Q be two symmetric matrices such that |P| ≠ 0, |Q| ≠ 0 and PQ ≠ QP.Determine whether (Q^-1)(P^-1) is symmetric.
1. 1 answer
2. 457 views
Find the value of n for which the following equations are consistentx - 2y = 3n 2x + 4y = n x + 3y = -2
1. 2 answers
2. 360 views
When a person needs a minicab, it is hired from one of the three firms: X, Y and Z. Of the hirings, 40% are from X, 50% are from
1. 1 answer
2. 628 views
11(d-c)+3(c+d) when c=6 and d=9
1. 2 answers
2. 215 views
The sum of 2 and a number is at least 16.
1. 1 answer
2. 450 views
Explain why ultrasound medical imaging uses very short wavelength ultrasonic waves to formimages. Why would infrasonic waves not
1. 1 answer
2. 283 views
I need someone to check my work please!1. A delta is made up of _______. a. melted iron b. sharp rocks c. gullies d. sand and
1. 1 answer
2. 556 views
1. What was the main way Spain tried to secure its claim on new territories in North America?A. Waging war B. Establishing harsh
1. 3 answers
2. 337 views
Which of the following statements best describes negative feedback loops?A. They respond to changes with changes in the same
1. 1 answer
2. 2,035 views
Where did the Apache live?A-in the woods of eastern Texas B-on the plains of northern Texas C-by the Gulf of Mexico in southern
1. 4 answers
2. 411 views
1)Which has a larger ionization energy, an electron in the 2p orbital of Cl or an electron in the 3p orbital ofCl? Explain why.
1. 1 answer
2. 345 views
What is the least positive angle measure that is coterminal with theta = -59pi/6?
1. 1 answer
2. 362 views
When purchasing the rights to a royalty, depending on the seller’s desired cash flows, Royalty Pharma can provide different
1. 1 answer
2. 1,371 views
Compute E(X) for the following random variable X :X=Number of tosses until getting 4 (including the last toss) by tossing a fair
1. 0 answers
2. 607 views
In a soccer tournament, Team A has won more games than Team B. Is it always true that the probability of Team A winning their
1. 0 answers
2. 1,984 views
If these parents were to have 12 children, what number (not what %) would we anticipate to have round/small eyes?
1. 1 answer
2. 306 views
Calculate concentration of solutions:2.86 g Sodium Carbonate crystals Na2CO3.10H2O dissolved in 250 cm^3 of solution
1. 1 answer
2. 789 views
The day we found the sharks' teeth was foggy and cool. Moisture hung in the air so thick you could almost see it sparkling in
1. 4 answers
2. 2,440 views
Which of the following describes a theme and not a topic?Bravery and being afraid Struggle and endurance Obstacles make us
1. 5 answers
2. 2,143 views
Suppose we are executing the DGIM algorithm for approximate counting of bits in a stream. Let the window size be 1000.(a) What
1. 1 answer
2. 837 views
Line m passes through points (4, 9) and (2, 2). Line n passes through points (2, 2) and (6, 7). Are line m and line n parallel
1. 1 answer
2. 673 views
Identify the correct neutrino (Ve, Vµ, Vτ or their anti-particles)a) π+ —> p° + e+ + v b) π+ —> p° + µ+ + v c) τ+
1. 0 answers
2. 419 views
Identify the correct neutrino (Ve, Vµ, Vτ or their anti-particles)a) π+ —> p° + e+ + v b) π+ —> p° + µ+ + v c) τ+
1. 0 answers
2. 356 views
A communications satellite is moving at a constant speed in a circular orbit around Earth. At any given instant in time, what is
1. 1 answer
2. 1,743 views
A small sphere X of mass M is placed a distance d from a point mass. The gravitational force on the sphere X is 90 N. Sphere X
1. 3 answers
2. 4,249 views
Describe the transformation to the parent function in order to graph the following function, then write the equations of the
1. 1 answer
2. 1,068 views
Describe the transformation to the parent function in order to graph the following function, then write the equations of the
1. 0 answers
2. 587 views
Jimmy is wanting to fence a rectangular area of his land along Elm Creek. He will only need to fence 3 sides. If Jimmy has 2000
1. 2 answers
2. 548 views
Find the A) Constant of Variation, B) the Equation of the Variation, and the C) the SolutionThe volume V of gas varies inversely
1. 1 answer
2. 468 views
Find the A) Constant of Variation, B) the Equation of the Variation, and the C) the SolutionY varies directly with x. If y = -4
1. 1 answer
2. 508 views
Find the A) Constant of Variation, B) the Equation of the Variation, and the C) the SolutionSuppose B varies directly with C and
1. 0 answers
2. 632 views
A pump can be adjusted to empty a 1000-liter pool at different rates. When operated at a rate of R liters per minute, the pump
1. 1 answer
2. 673 views
Assume that y varies inversely as x. If y is 2.4 when x = 5, which is an equation that relates x and y?
1. 1 answer
2. 967 views
A pump can be adjusted to empty a 1000-liter pool at different rates. When operated at a rate of liters per minute, the pump
1. 1 answer
2. 687 views
The time it takes to finish a job varies inversely as the number of workers helping with the job. If 8 workers require 12 hours
1. 1 answer
2. 1,292 views
According to Boyle’s law, the volume V of a gas varies inversely to the pressure P exerted by the gas. The volume of a given
1. 2 answers
2. 2,454 views
The force, F, needed to break a board in a martial arts class varies inversely with the length, L, of the board. If it takes 24
1. 1 answer
2. 1,882 views
The light intensity of a light bulb varies inversely as the square of the distance from the light bulb. The function I(d) =
1. 2 answers
2. 3,871 views
Can anyone help me?An 85-year-old woman in Rotorua, New Zealand, won't have to pay her library fine. A book she borrowed from
1. 0 answers
2. 672 views
The length of a rectangle is 2ft less than tree times width the area is 60 square ft. Find the length of the rectangle.
1. 1 answer
2. 493 views
Is H=-4.9t²+vt+s the formula for a projectile motion, where h is height in meters t time in seconds and v velocity in meters
1. 1 answer
2. 1,001 views
f(x)=g(x)−1, g(x)=5x+2. Find f(4)−g(2)PLZ ANSWER FAST (you dont have to show work as long as the answer is right)
1. 1 answer
2. 401 views
The denominator of a fraction exceeds the numerator by 7. If 3 is added to the numerator and 1 is subtracted from the
1. 1 answer
2. 854 views
What is the subshell designation for an electron with the following set quantumnumbers? 1) n = 1; l = 0 2) n = 3; l = 2; mi = -1
1. 1 answer
2. 828 views
A 17.7kg piece of zinc at 73 degrees celsius is placed in a container of water. The water has a mass of 23 kg and has a
1. 1 answer
2. 465 views
A car traveling 96ft/s begins a negative acceleration at a constant rate of 12ft/s^2. After how many seconds does the car come
1. 1 answer
2. 469 views
You arrive home to find that your 45 foot by 20 foot basement has 3 inches of water in it.A) If 1 cubic foot of water is about
1. 0 answers
2. 683 views
A round silo is 40 feet tall and has a 25 foot radius. How high would a load of 37000 cubic feet of grain fill the silo?Express
1. 1 answer
2. 1,019 views
A model of A car has a scale of 3 cm : 2m the length of the actual hood of the car is 1m what is the length of the hood of the
1. 1 answer
2. 1,485 views
Consider an account with an APR of 8.5%. Find the APY with daily compounding.
1. 1 answer
2. 698 views
what is the radius of the circle circumscribing an isosceles right triangle having an area of 162 sq. cm?Show your solutions
1. 1 answer
2. 1,662 views
A man 6 feet tall is standing 4 feet away from a 20 foot lamppost. How long is the lampposts shadow?
1. 1 answer
2. 583 views
The chemistry problem is "How would you make 500.0 mL of a 3.00 M HCl solution form a stock solution that is 6.00 M?" I have no
1. 0 answers
2. 516 views
1). Calculate the initial and final pH when 5.0, 10.0, and 100mL of 0.100M HCL is added to(a) 100mL of water (b) 100mL of a
1. 2 answers
2. 712 views
Tim is mixing blue and white paint to make pale blue paint. He uses 2 quarts of blue for every 3 quarts white. How many quarts
1. 2 answers
2. 1,843 views
A uniform disk of radius 0.45 m is mounted on a frictionless, horizontal axis. A light cord wrapped around the disk supports a 1
1. 2 answers
2. 2,821 views
A stone is thrown straight up from the ground with an initial speed of 26.6 m/s. At the same instant, a stone is dropped from a
1. 1 answer
2. 720 views
A 1-kg ball initially moving with a speed of 3m/s strikes a stationary 2kg ball head-on. After the collision both balls stick
1. 2 answers
2. 1,099 views
A block is released from rest at the top of an incline which makes a 30 degree angle with the horizontal. The incline is 12m
1. 0 answers
2. 487 views
Identify and correct the errors in the following to create parallel structure:To narrow a web search a. Put quotation marks
1. 2 answers
2. 915 views
A veterinarian uses 300 feet of chain-link fencing to enclose a rectangular region and also to subdivide the region into two
1. 2 answers
2. 932 views
The sum of the length l and the width w of a rectangular area is 220 meters.(a) Write w as a function of l. w = (b) Write the
1. 1 answer
2. 1,475 views
The fuel efficiency for a certain midsize car is given byE(v) = −0.018v^2 + 1.440v + 3.9 where E(v)is the fuel efficiency in
1. 1 answer
2. 668 views
The height in feet of a projectile with an initial velocity of 32 feet per second and an initial height of 240 feet is a
1. 1 answer
2. 761 views
The height in feet of a projectile with an initial velocity of 32 feet per second and an initial height of 240 feet is a
1. 0 answers
2. 606 views
x2 = −x + 1
1. 1 answer
2. 315 views
(z − 1)^2 + 4 = 0
1. 2 answers
2. 346 views
A company has determined that the profit, in dollars, it can expect from the manufacture and sale of tennis racquets is given by
1. 0 answers
2. 614 views
A model rocket is launched upward with an initial velocity of 200 feet per second. The height, in feet, of the rocket t seconds
1. 1 answer
2. 2,670 views
A rocket fired straight in the air is being tracked by a radar station 3 miles from the launching pad. If the rocket is
1. 1 answer
2. 1,852 views
Consider the function f(x) whose second derivative is f''(x)=5x+2sin(x). If f(0)=3 and f'(0)=3, what is f(3)?
1. 1 answer
2. 540 views
A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus, the diameter of the semicircle is equal to the
1. 1 answer
2. 1,397 views
Answer the following questions for the function f(x)=(x^3-9x^2+27x-27)/(x^2-6x+8) defined on the interval [-14, 22].Enter
1. 1 answer
2. 1,213 views
How many grams of phosgenite can be obtained from 14.0 g of PbO and 14.0 g of NaCl in the presence of excess water and carbon
1. 1 answer
2. 1,037 views
Find the absolute maximum and absolute minimum values of the function f(x)=x^3+6x^2-63x+4 on each of the indicated variables.
1. 0 answers
2. 963 views
List the critical numbers of the following function in increasing order. Enter N in any blank that you don't need to use.f(x) =
1. 2 answers
2. 1,807 views
An 80.0 g sample of a gas was heated from 25 degree C to 225 degree C. During this process, 346 J of work was done by the system
1. 2 answers
2. 1,356 views
In a constant-pressure calorimeter, 65.0 mL of 0.330 M Ba(OH)2 was added to 65.0 mL of 0.660 M HCl. The reaction caused the
1. 2 answers
2. 767 views
Use continuity to evaluate. as x approaches 2, lim arctan((2x^2-8)/(3x^2-6x))
1. 0 answers
2. 822 views
y = tan^-1(sqrt(5x^2-1)) find dy/dx
1. 1 answer
2. 887 views
Suppose f(x) = 3x + 4. What is f^-1(x) and what is (f^-1)'(x).
1. 1 answer
2. 895 views
Find the derivative of the function y, below. It may be to your advantage to simplify before differentiating. y =
1. 1 answer
2. 596 views
The radius of a circular disk is given as 24 cm with a maximal error in measurement of .2 cm. What is the percentage error?
1. 1 answer
2. 647 views
The linear approximation to (1/sqrt(9-x)) at x=0. What is y?
1. 1 answer
2. 675 views
Find the pattern0.8, 0.4, 0.2, 0.1, ?
1. 1 answer
2. 376 views
-(5) to the 2nd power
1. 1 answer
2. 386 views
the temperature is -10 degrees outside. The temperature inside is 72 degrees. what is the difference between the two
1. 1 answer
2. 530 views
(-0.9)(-0.64)
1. 1 answer
2. 292 views
0.05 + -4.74
1. 1 answer
2. 267 views

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