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Ray

Questions and answers by Ray, page 2

Questions (886)

NUMERICAL EXPRESSION- 12 TIMES AS LONG AS 2 IN.
1. 3 answers
2. 310 views
There are 25 books in a bookcase. The books in the bookcase are all math, science, and history books. Seven of the books are
1. 2 answers
2. 508 views
what is the mass of a playset that is moved with 580n of force for 11 seconds at 1.5 m/s?
1. 2 answers
2. 838 views
You have 43 marbles. You divide them equally among some sacks. How many sacks must you use to get fewer than 8 marbles in each
1. 3 answers
2. 378 views
Describe how you can use a number line to order the fractions 3/7, 5/7 and 1/7 from least to greatest.
1. 2 answers
2. 562 views
A baseball player uses a bat with mass mbat to hit a ball with mass mball. Right before he hits the ball, the bat's initial
1. 3 answers
2. 1,132 views
The molar mass of Cl is 35.45 g/mol. What is the mass of the chloride atom in grams.?
1. 2 answers
2. 502 views
The box decelerates at a rate of 3m/s and skids 24 meters becoming to a stop.How fast were you traveling when the box fell out.
1. 1 answer
2. 374 views
Ifint main() { int a=1; int *p; how do the following statements differ 1) p=&a; 2) *p=&a; 3) p=a; 4) printf("%d",p); 5)
1. 3 answers
2. 475 views
What is the historical and current impact of the biomedical issue in abortion?
1. 1 answer
2. 333 views
Suppose you throw a 0.058-kg ball with a speed of 11.0 m/s and at an angle of 31.5° above the horizontal from a building 12.3 m
1. 2 answers
2. 528 views
Pt. 1Gas in a container is at a pressure of 2.3 atm and a volume of 6.1 m3. What is the work done on the gas if it expands at
1. 2 answers
2. 645 views
Pt. 1Gas in a container is at a pressure of 2.3 atm and a volume of 6.1 m3. What is the work done on the gas if it expands at
1. 1 answer
2. 435 views
A plane drops a hamper of medical suppliesfrom a height of 4190 m during a practice run over the ocean. The plane’s horizontal
1. 1 answer
2. 444 views
Each equal side of an isosceles triangle is 3 1/2 inches longer than the base. The perimeter of the triangle is 2 feet. Find the
1. 3 answers
2. 872 views
A 10 kg lawnmower is pushed along by a force applied at a 20* angle to the horizontal. If the mower accelerates at 3.4 m/s what
1. 1 answer
2. 672 views
F(x) = x^5 ln xA) Find the interval on which f is increasing Find the interval on which f is decreasing B) Find the local
1. 2 answers
2. 2,682 views
Imagine you are an astronaut who has landed on another planet and wants to determine the free-fall acceleration on that planet.
1. 2 answers
2. 575 views
Imagine you are an astronaut who has landed on another planet and wants to determine the free-fall acceleration on that planet.
1. 10 answers
2. 534 views
A 5-m-long string, fixed at both ends, has a mass of 9 g. If you want to set up a standing wave in this string having a
1. 1 answer
2. 447 views
Two people are talking at a distance of 3.4 m from where you are, and you measure the sound intensity as 1.0 10-7 W/m2. Another
1. 1 answer
2. 392 views
Does the series ln/n^2 converge using the L'Hoptial's rule also.I know you can use the integral test but I have also seen others
1. 1 answer
2. 362 views
A 1.0 102 g piece of copper at a temperature of 460 K and a 2.0 102 g piece of aluminum at a temperature of 2.2 102 K are
1. 7 answers
2. 653 views
The parachute on a race car of weight 8,810 N opens at the end of a quarter-mile run when the car is traveling at 34 m/s. What
1. 3 answers
2. 3,755 views
find range for g(X)= -cos4x
1. 2 answers
2. 949 views
1) log(9 – x) – log(6 + x) = 12) e^2x + e^2x = 1 3) 2e^6x + e^6x = b
1. 4 answers
2. 284 views
10log(5x + 40) = 10
1. 1 answer
2. 344 views
A battery with an emf of 14.5 V and internal resistance of 0.83 Ω is connected across a load resistor R.If the current in the
1. 3 answers
2. 695 views
The pH of a .10M HOBr solution is 4.81. What is [H+] in that solution? 2. What is [OBr-]? What is [HOBr]? (where do the H+ and
1. 3 answers
2. 2,387 views
Calculate the heat released when 454 g of steam at 100.0C condenses and then cools to 30.0C. State your answer in calories.
1. 4 answers
2. 2,962 views
A mixture of He Ne and 3rd gas exhibit a total pressure of 486 mm hg if the partial pressure of He125mm mm hg and partial
1. 3 answers
2. 1,032 views
Citric acid (H3C6H5O7) is triprotic acid which reacts with NaOH according to the balanced chemical equation shown below what
1. 3 answers
2. 2,352 views
A thin, double-convex lens has a refractive index of 1.50. The radius of curvature of the front surface is 15 cm and that of the
1. 5 answers
2. 1,838 views
An eyepiece is made of two positive thin lenses, each of focal length f = 20 mm, separated by a distance of 16 mm. (a) Where
1. 3 answers
2. 933 views
squareroot of 8 * exponents 3
1. 3 answers
2. 269 views
Object A is moving due east, while object B is moving due north. They collide and stick together in a completely inelastic
1. 3 answers
2. 742 views
Jay can deduct the amount over 7% of his gross income as medical expenses on his income tax return. If his annual salary is
1. 3 answers
2. 611 views
Is it passive or active voice?Many clothes (we're given) to the homeless shelter. Passive By the end of today, the students
1. 3 answers
2. 1,020 views
Where can I find a good, reliable source on the internet about the Bermuda Triangle? I would like a PDF with at least a few
1. 1 answer
2. 495 views
1.the trip led to an argument between Helen and ____a.I b.me 2. It was ____ who demanded an apology from the newspaper. a.we
1. 2 answers
2. 753 views
Suppose a hockey puck slides down a frictionless ramp with an acceleration of 4.70 m/s2. What angle does the ramp make with
1. 1 answer
2. 450 views
Suppose a hockey puck slides down a frictionless ramp with an acceleration of 4.70 m/s2.(a)What angle does the ramp make with
1. 2 answers
2. 885 views
A trash can with a mass of 5 kg has a coefficient of static friction of μs = 0.80 and a coefficient of kinetic friction of μk
1. 3 answers
2. 1,817 views
A block with a mass of 1.0kg is lifted up slowly from ground (0m) to height of 0.51m.block is slowly displaced horizontally by
1. 2 answers
2. 574 views
A class survey in a large class for first-year college students asked, "About how many minutes do you study on a typical
1. 4 answers
2. 1,249 views
The law of large numbers tells us what happens in the long run.Like many games of chance, the numbers racket has outcomes so
1. 2 answers
2. 1,007 views
The law of large numbers tells us what happens in the long run.Like many games of chance, the numbers racket has outcomes so
1. 4 answers
2. 2,522 views
How to -2x+6y=-26 8x+6y=-1 6using elimination method
1. 1 answer
2. 435 views
Is there a way to calculate the moment of inertia of a hanging mass (3.1 kg) without length & width dimensions?
1. 2 answers
2. 515 views
Mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The results showed that the
1. 3 answers
2. 1,015 views
A survey of an urban university (population of 25,450) showed that 878 of 1,119 students sampled supported a fee increase to
1. 3 answers
2. 664 views
Recently, a university surveyed recent graduates of the English Department for their starting salaries. Four hundred graduates
1. 3 answers
2. 1,098 views
can some explain thismultiply the first equation by -10 -10x-10y=
1. 1 answer
2. 424 views
Ray counted a total of 40 white cars and yellow cars. There are 9 times more white cars then yellow cars. How many white cars
1. 1 answer
2. 459 views
1.630 g of iron ore is dissolved in an acidic solution. This solution is titrated to a pink endpoint with 27.15 mL of a 0.020 M
1. 4 answers
2. 3,840 views
GE's light bulb division ordered 100.kg of tungsten for the filaments. If the tungsten comes in a cube what is the volume of the
1. 2 answers
2. 1,088 views
(4,-3) is on gFor each of the following functions find a point on its graph. Enter exact answers. I cannot find the other three
1. 3 answers
2. 598 views
Estimate the moment of inertia of a bicycle wheel 67 cm in diameter. The rim of the tire have a combination mass of 1.1kg.(1.1)(
1. 1 answer
2. 1,013 views
A car rental agency advertised renting a car for $24.95 per day and $0.33 per mile.If David rents this car for 3 days, how many
1. 4 answers
2. 4,479 views
1. The extra money being raised by the band booster club has been (earmarked, maneuvered) to fund future trips. maneuvered2. The
1. 10 answers
2. 569 views
Can someone please help. How log will it take you to save $100,000 if you start saving 1597 every 3 months starting today?
1. 1 answer
2. 370 views
The admission fee for student is $8 and the admission fee for Adult is $15. In one hour, 12 adults and students enter the museum
1. 2 answers
2. 755 views
Jerry is packing cylindrical cans with diameter 6 in. and height 10 in. tightly into a box that measures 3 ft by 2 ft by 1 ft.
1. 4 answers
2. 3,116 views
How many moles of acetic acid are present in 10.00 mL if the concentration is 0.500M HC2H3O2?
1. 2 answers
2. 835 views
17 1/9 decreased by what number is 5 2/3?This is the answer I have 11 4/9. Is this correct.
1. 1 answer
2. 303 views
approximate the value of the integral by use of the trapezoidal rule. n=8a=0 b=4 sqrt 16-x^2
1. 1 answer
2. 496 views
Consider the thermal decomposition of potassium chlorate.2 KClO3(s) ---> 2 KCl(s) + 3 O2(g) A mixture containing KCl and KClO3
1. 1 answer
2. 796 views
Imagine that you are driving 150 miles and you want your average speed for the trip to be 60 miles per hour.Imagine that you
1. 2 answers
2. 489 views
The number of Sasquatch living in northern Ecotopia t years after 2016 is given by the formula s(t)=3(1.12)^t . Determine how
1. 1 answer
2. 474 views
In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect. A random sample of 25
1. 1 answer
2. 421 views
What percentage of the area of the standard normal distribution is between z = -2.00 and z = +2.00? How do you know this?
1. 2 answers
2. 539 views
Find the following:P(z > 2.43)
1. 1 answer
2. 411 views
A wheel spins through 29 revolutions per minute. Find the angular velocity and the linear velocity if the radius of the wheel is
1. 4 answers
2. 1,298 views
A wheel has a radius of 10 inches is rotating with an angular velocity of 2.5 revolutions per second. Find the distance the
1. 2 answers
2. 778 views
As an individual with experience performing office clerical duties and educated as a Library Technician, I am excited to apply
1. 5 answers
2. 579 views
My improvisation teacher today told us to bring something with us to class where you can do a physical action with it. This
1. 7 answers
2. 597 views
The question below is based on the recent corruption activities by our former president Jacob Zuma related to Nkandla.Evaluate
1. 9 answers
2. 643 views
How many grams of solute are present in 795 ml of 0.130m KBr?
1. 1 answer
2. 419 views
A father who is 42 years old has a son and a daughter. The daughter is three times as old as the son. In 10 years the sum of all
1. 4 answers
2. 697 views
Consider the vector v=-5.7i-7.2jApproximate to the nearest tenth of degree the angle vector v makes with the positive horizontal
1. 4 answers
2. 417 views
Determine the values of a and b in the following vectors for the indicated property.m=<10,a,15> and n=<2,-3,b> and vector m is
1. 4 answers
2. 361 views
Find the parametric equations of a unit circle where you start at point (0,1) at t=0 and you travel clockwise with a period of
1. 4 answers
2. 1,217 views
Convert thegiven polar equation to a Cartesian equation. r^2=4sec(theta)csc(theta)
1. 2 answers
2. 622 views
What are unintended outcomes of Federal Indian Boarding Schools?
1. 1 answer
2. 417 views
Did Lucy really say I refuse to ride with Tom?Should there be quotation marks before I and after the question mark?
1. 1 answer
2. 407 views
suppose the farmer buys another 1/2 square mile of land and divides all his land into square fields 1/4 mile long and 1/4 mile
1. 7 answers
2. 2,170 views
In how many different ways can six of ten people be seatedin a row of six chairs? I don't have the answer, but from my rough
1. 3 answers
2. 1,759 views
Evaluate the expression without using a calculator (Make a sketch of a right triangle)tan(arccot 2) Thanks in advance! I'm
1. 4 answers
2. 1,109 views
Find the points of intersections of these equations?x^2+y^2=1 -x+y+1 This is what I've done so far, I isolated the y's out y=
1. 4 answers
2. 422 views
Use the properties of logarithms to expand the logarithmic functionln[(x^2+1)(x-1)] Would this be the correct answer?
1. 4 answers
2. 712 views
Write the expression as the logarithm of a single quantity3[(ln x) -2ln(x^2+1)]+2 ln 5?
1. 4 answers
2. 2,138 views
Consider the function f(x)=sqrt(x) and the point P(4,2) on the graph of f?-Consider the graph f with secant lines passing
1. 4 answers
2. 3,863 views
Write the equation for the line through the given point and perpendicular to the given line.Point: (4/5,9/10) Line: 6x-4y=0 I
1. 1 answer
2. 456 views
Evaluate the functionf(x)={9x+5, x<0 {9x+6, x>(or equal to)0 Determine its domain and range using interval notation? I believe
1. 3 answers
2. 538 views
What is the limit of g(x)=x as x approaches pi?Would it just be pi??
1. 6 answers
2. 6,889 views
Three students are asked to determine the mass of a coin. They each measure different values for the mass of the coin using a
1. 4 answers
2. 1,176 views
Use the properties of logarithms to expand this functiion?ln[ (x^2+1) (x-1) ] So assuming this is a multiplication problem, I
1. 2 answers
2. 548 views
Find the x-values (if any) at which f is not continuous. Which of the discontinuties are removable?f(x)=(x)/(x^2-4) I'm not sure
1. 4 answers
2. 1,398 views
Consider the following function.f(x) = 2x^2 − 8x Find the limit. lim (Δx->0) (f(x+Δx)-f(x))/(Δx) How would I set up the
1. 4 answers
2. 2,232 views
Your friend eats 50.0g tuna steak. You find out that the tuna is 0.001% (by mass) mercury. The lethal dose of mercury is
1. 3 answers
2. 950 views

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