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Matthew

Questions (551)

Consider a solid ball of mass m = 50g and is placed on a long flat slope that makes an angle of 30° to the horizontal. The ball
1. 0 answers
2. 504 views
query=a stone of mass 30grams is placed in a measuring cylinder containing some water. the reading of the water level increases
1. 1 answer
2. 1,486 views
you are the manager of a firm that produces two products X and Y at zero cost. there are three types of consumers(1000 of each
1. 1 answer
2. 739 views
A bottle weighs 35g when empty,95g when filled with water and 119g when filled with an organic liquid.What is the capacity of
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2. 704 views
A submarine at -28 feet dives 40 feet. What is the submarine's elevation after the dive?
1. 4 answers
2. 1,944 views
A sample of cobalt, A, with a mass of 5g is initially at 25 degrees Celsius. When this sample gains 6.70J of heat, the
1. 1 answer
2. 628 views
Mrs. Sue I need your help. Which statement BEST describes the power of government provided by the Articles of Confederation?A)
1. 1 answer
2. 950 views
All the odd numbers from 51 to 5001 are written. What is the total number of digits used?
1. 1 answer
2. 759 views
A rock is thrown upward with a velocity of 21 meters per second from the top of a 48 meter high cliff, and it misses the cliff
1. 0 answers
2. 1,253 views
Find the area of each triangle with the given dimensionsBase=3 centimeter, height =3centimeter
1. 1 answer
2. 389 views
an endemic species is best defined as a species that
1. 1 answer
2. 581 views
A charge of -5.02 μC is traveling at a speed of 8.86 × 106 m/s in a region of space where there is a magnetic field. The angle
1. 1 answer
2. 860 views
What is the molar mass of toluene if 0.85 g of toluene depresses the freezing point of 100 g of benzene by 0.47 degrees celsius?
1. 3 answers
2. 3,169 views
A crowd of people is watching a live TV show in an auditorium. Section B of the auditorium has eight rows of seats. Each row has
1. 1 answer
2. 781 views
At 350 K, Kc = 0.142 for the reaction2 BrCl(g) ⇀↽ Br2(g) + Cl2(g) An equilibrium mixture at this temperature contains equal
1. 1 answer
2. 915 views
Bob (80 kg) lands with a resultant GRF of 1200 N at an angle of 80 degrees from the horizontal. Round answers to nearest whole
1. 2 answers
2. 432 views
f(x)=(x+1)/(1+x^2)a) explain why the graph lies above the x axis on the interval x=0 and x=sqrt(3) b)write an expression using
1. 1 answer
2. 976 views
Learning Center would like a possible net profit of $650,000 on its new resource manual it sells to schools. The fixed costs for
1. 1 answer
2. 601 views
A spherical satellite has 12 identical monopropellant thrust chambers for attitudecontrol with the following performance
1. 1 answer
2. 818 views
(Someone please help me !! I don't understand this.)Two tiny conducting spheres are identical and carry charges of -27.3C and
1. 1 answer
2. 996 views
The temperature of a 80.0 g sample of mate- rial increases from 15.0◦C to 42.0◦C when it absorbs 4.00 kJ of energy as heat.
1. 1 answer
2. 608 views
I have to do a 10-minute speech based on this:Give an account of Britain’s colonial policies concerning Africa, Australia,
1. 1 answer
2. 465 views
If x varies directly as y and x=9 when y=2 find x when y is 6
1. 2 answers
2. 1,079 views
Where did the Cold War take place?Please just be specific(answer in countries).
1. 2 answers
2. 427 views
Create and test a Visual Basic application to allow teachers to enter student results.One dimension of the array will hold the
1. 0 answers
2. 636 views
Algebra 2The difference of two numbers is 4. Three times the smaller minus the larger is 10. Find the numbers.
1. 3 answers
2. 2,155 views
What is the rarest element?
1. 3 answers
2. 454 views
What is the hardest expression in the world?
1. 1 answer
2. 434 views
What is 57 divided by 2.95
1. 1 answer
2. 365 views
A scuba diver dives to a depth to a of 50 feet, then rises 15 feet, sinks 12 feet, then rises 20 feet, whats the answer?
1. 1 answer
2. 755 views
Suppose that a wind is blowing in the direction S45°E at a speed of 50 km/h. A pilot is steering a plane in the direction
1. 1 answer
2. 3,443 views
Find the range of f(x)=-x+4 for the domain {-3,-2,-1,1}A) {7, 6, 5, 3} B) {7, 6, 5, 4} C) {-7,-6,-5,3} D) {-7,-6,-5,4}
1. 1 answer
2. 359 views
Congress convenues every two years on_____of every____ year.
1. 1 answer
2. 413 views
There exist constants a, b, c, and d such that(sin x)^7 = asin 7x + bsin 5x + csin 3x + dsin x for all angles x. Find d.I tried
1. 2 answers
2. 789 views
A skateboarder approaches the circular hill with a velocity of 8.0 m/s at point B. The angle formed between the lines that join
1. 0 answers
2. 549 views
A cyclist covers his outward journey downhill at 24mph. His return journey, over exactly the same distance uphill, is covered at
1. 1 answer
2. 787 views
How many moles of H2 and N2 can be formed by the decomposition of 0.250 mol of ammonia, NH3?Is it 0.250*3mol H2=0.75 0.25*1mol
1. 1 answer
2. 1,842 views
How many milliliters of 0.534 M Ba(OH)2 solution are needed to completely neutralize 34.5 mL of 0.220 M HBr solution? The
1. 6 answers
2. 829 views
Given the chemical equation, Cl2 + F2 2ClF, how many moles of ClF are produced in the reaction, if 1.50 moles Cl2 are made to
1. 5 answers
2. 1,740 views
1 inch = 15 miles: Franklin to Washington is 45 Miles (3 inches) Franklin to Lincoln is 30 miles (2 inches) How much farther
1. 1 answer
2. 442 views
two small spheres lie 1.5 meters apart and carry identical charges. How large is the charge on each if a sphere experiences a
1. 0 answers
2. 792 views
47. For science class, Kyle needs to make a dilute solution of 12 ounces that is 30% vinegar. But he only has 20% vinegar 60^
1. 1 answer
2. 692 views
In triangle ABC, the degree measure of angle A is 20 degree greater than the degree measure of angle B. Angle C is a right
1. 1 answer
2. 672 views
F(x) = 3/4x^4 –x^3 -3x^2 + 6xDetermine the interval(s) where f(x) is increasing (if any) and the interval(s) where f(x) is
1. 2 answers
2. 496 views
If Kristin buys gas at $2.69 per gallon, which includes all taxes, what percentage of the price is the state tax? What
1. 2 answers
2. 571 views
Darion needs 20 pieces of string 3/8 inch in length .He cut a 4 7/8 inch piece of string into pieces that are 3/8 of a inch long
1. 3 answers
2. 950 views
Darion needs 20 pieces of string 3/8 inch in length. He cut a 4 7/8 inch piece of string into pieces that are 3/8 of an inch
1. 7 answers
2. 3,162 views
f(x)= 1/3x^5 + x^-2 + 3, then f'''(x) is..I got f'''(x)= 20x^2-24x^-5
1. 1 answer
2. 445 views
A 15 kg sled experiences an applied force of 5.5 N [north] and an opposing frictional force of 2.5 N [south]. If the sled starts
1. 1 answer
2. 613 views
What is the difference between Citric Acid C6H8O7 and H3C6H5O7? I am seeing both and don't know which is the right one. Is one a
1. 1 answer
2. 2,042 views
Two boys are pulling a box across a horizontal floor as shown in the figure below. vector F 1 = 50.0 N and vector F 2 = 100 N.(a
1. 2 answers
2. 1,303 views
Use the given information to evaluate sin (a-b). Exact answers. No decimals.Sin a = -7/25, cot b = 8/15; neither a nor b are in
1. 1 answer
2. 647 views
How many roots does x to the 3rd power -2x to the 2nd power-13x-10=0 have
1. 1 answer
2. 441 views
Doing some homework, are my answers right?HCN= Polar HCOOH= Polar H2CCCH2= Nonpolar Out of the following elements: Na, H, and Au
1. 1 answer
2. 1,956 views
A chemist needs a HCl solution with a molarity of less than 0.400 M for an experiment. To find out if a sample of HCl solution
1. 1 answer
2. 706 views
A random sample of size 100 is drawn from a population with a standard deviation of 10. If only 5% of the time a sample mean
1. 2 answers
2. 2,088 views
Thank you for the answer now I understand. For the next question I made a mistake this is the question elli has two 8 and 1/2
1. 5 answers
2. 2,055 views
Ellis plans to hand out door prizes as the guest arrive she has 256 guests every 6th guest will receive a mug and for every 14
1. 9 answers
2. 1,297 views
Explain how to use a protractor to measure an angle.
1. 1 answer
2. 500 views
A flat circular disc, of radius R, can be modelled as a thin disc of negligible thickness. It has a surface mass density
1. 1 answer
2. 673 views
What is the mean of all even integers from 123 to 987?
1. 3 answers
2. 427 views
An unmarked police car traveling a constant 80km/h is passed by a speeder traveling 135km/h.Precisely 3.00s after the speeder
1. 1 answer
2. 808 views
An initial-value problem is given by the differential equation,f(x,y) = x + y, y(0) = 1.64 The Euler-midpoint method is used to
1. 0 answers
2. 607 views
Four times a number, increased by 25 is 13 less than 6 times the number. What is the number?4n+25=-13-6n. ???
1. 1 answer
2. 588 views
I need to write 2 paragraphs about my favorite movie giving 4 reasons why, but don't have one.Please Help..!!
1. 1 answer
2. 433 views
I am a two digit even number. I am less than 30. When you list out all of my factors, they add up to 60. who am I?
1. 2 answers
2. 386 views
Calculate delta G of a reaction with equilibrium constant, K= 9.5 x 10^5 at 25 degrees C
1. 1 answer
2. 1,042 views
Given triangle ABC with a = 16, b = 14, and β = 54°, find the value of c.
1. 3 answers
2. 406 views
# Cis108 07/03/2014# The PCCC Palace Hotel - Final Bill # To write a bill per party regarding there stay at the Palace Hotel
1. 1 answer
2. 652 views
You are paneling an office that has 2 walls measuring 18' x 8' and 2 walls measuring 9' x 8'. How many sheets of paneling will
1. 2 answers
2. 871 views
Compute the square footage of carpet needed to cover a room 10' 6" x 12' 3".Area (to the nearest tenth) = square feet. Can you
1. 3 answers
2. 1,241 views
Tim wants to model a doll house from a real house that measures 60 feet in length by 28 feet in width. He decides to use a scale
1. 1 answer
2. 893 views
Tim wants to model a doll house from a real house that measures 60 feet in length by 28 feet in width. He decides to use a scale
1. 3 answers
2. 2,971 views
A vehicle covers 2,160 miles in 5.5 hours. What is the average speed of the vehicle to the nearest tenth.I got 55.5, but I don't
1. 1 answer
2. 1,714 views
Chris Shopper received a $800 discount loan to purchase a washer and dryer. The loan was offered at 10% for 120 days. What are
1. 2 answers
2. 3,202 views
prove identitySin2x - sinx/cosx + cos2x= sinx/cosx + 1
1. 1 answer
2. 1,212 views
Read the poem and answer the questions that follow1.There once was a cowboy named Ray 2. Who never had that much to say, 3.
1. 3 answers
2. 1,583 views
How do you find the price of each share if 700 shares of stock are sold for $55.00 ?
1. 4 answers
2. 1,147 views
So I have a question regarding advanced functions, logarithm stuff.here is the question: Beginning with the function f(x) =
1. 1 answer
2. 1,088 views
is the inverse function of x+ floor(x)equal to x - floor (x/2) i got this after plotting points but i'm not sure. thank you
1. 1 answer
2. 492 views
The continuity of floor functionsthe function: x - floor(x) it is continuous on what interval? i got all real numbers except for
1. 1 answer
2. 552 views
I asked the following the other day and received the following answer:Posted by Matthew on Sunday, March 17, 2013 at 11:03pm. A
1. 3 answers
2. 530 views
The value, V, of a $25000 vehicle after y years is given by V = 25000 (0.85)yWhat is the rate of depreciation? (1 mark) What
1. 1 answer
2. 739 views
A quantity of oxygen gas had 16.32 g of the radioactive isotope oxygen-19 in it. When measured exactly 10 minutes later, the
1. 1 answer
2. 617 views
An experiment requires 0.7 M NH3(aq). Thestockroom manager estimates that 15 L of the base is needed. What volume of 15 M
1. 2 answers
2. 1,015 views
Please help check my answers I really want to make a 100%!1. A mechanical wave moves through a medium, which can be (1 point) A.
1. 7 answers
2. 7,180 views
Please check my work thanks!!A number cube with the numbers 1 through 6 is rolled. Find the given probability. 1. P(number < 2)
1. 57 answers
2. 26,970 views
a 5-kilowatt source powers a motor that is lifting a 30 kg mass straight up. how far will the mass move in 6 seconds
1. 0 answers
2. 392 views
Several friends are taking turns flying a kite. Each friend flies the kite for the same amount of time. They spend 6 hours
1. 2 answers
2. 1,110 views
A 208 g sample of sodium-24 decays to 13.0 g of sodium-24 within 60.0 h. What is the half-life of this radioactive isotope?
1. 2 answers
2. 1,355 views
All isotopes of technetium are radioactive, but they have widely varying half-lives. If an 800.0 g sample of technetium-99
1. 2 answers
2. 1,146 views
What is the half-life of a 100.0 g sample of nitrogen-16 that decays to 12.5 g of nitrogen-16 in 21.6 s? Please help me!!
1. 2 answers
2. 3,056 views
Write the following trigonometric expression as an algebraic expression in x free of trigonometric or inverse trigonometric
1. 1 answer
2. 698 views
Air bags are activated when a severe impact causes a steel ball to compress a spring and electrically ignite a detonator cap.
1. 1 answer
2. 987 views
A petroleum company has two different sources of crude oil. The first source provides crude oil that is 35% hydrocarbons, and
1. 3 answers
2. 729 views
A set of bookshelves rests on a hard floor surface on four legs, each having a cross-sectional dimension of 3.9 6.5 cm in
1. 1 answer
2. 574 views
A photocell is a device used to measure the intensity of light. In a certain experiment, when light of wavelength 530 nm is
1. 0 answers
2. 608 views
i.imgur. com/cqwun. pngi'm kind of stuck.. are the answers 6, -3, -3, and 0?
1. 1 answer
2. 432 views
i.imgur. com/VWFwb. png
1. 0 answers
2. 834 views
Bernie drove home from a vacation in 1.5 hours. He traveled a total distance of 60 miles. What was his average speed in miles
1. 3 answers
2. 1,585 views

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