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Robert
Questions (523)
A steel ring with a hole having area of 3.990cm² is to be placed on an aluminum rod with cross-sectional area of 4.000cm².
1 answer
1 view
A 100-liter aluminum cylinder at 5.00 degrees celcius is filled with gasoline at the same temperature. If the aluminum and
1 answer
9 views
Suppose a steel strut having a cross sectional area of 5.00×10⁴ m² and length 2.5 is bolted between two rigid bulkheads in
1 answer
8 views
A constant mass of gas maintained at constant pressure has a volume of 200.0cm³ at the temperature of melting ice, 273.2cm³ at
1 answer
3 views
What is a bolometer?
1 answer
6 views
A circular copper ring at 20 degrees Celsius has a hole with an area of 9.980 cm². What minimum temperature must it have so
1 answer
16 views
. A. find the change in temperature ∆� of a monatomic ideal gas if it absorbs
9750J at a constant volume of 2.40L b. what is
1 answer
18 views
Which one is an analogy:
1. Poetry is like a song but one page. 2. Life is a dance. You learn as you go. 3, Love is overwhelming.
3 answers
21 views
Which lines are parallel to y=3/4 x -2?
I have as possible answers are: 1. 3x-4y=8 2. 3x-4y=12. 3. 4x-3y=6 4. 4x+3y=8
3 answers
20 views
Which piece of empirical is qualitative data
1 answer
103 views
What are some of the different architectural structures that make up the Pantheon?
1 answer
124 views
How did the Twelve Tables change the Roman legal system?
1 answer
130 views
How did Roman entertainments differ from Greek ones?
1 answer
79 views
In what ways does this building resemble modern ones?
1 answer
99 views
What is each of these writers known for: Horace, Ovid, Juvenal?
1 answer
95 views
How has Ptolemy’s theory been disproved today?
1 answer
86 views
In what ways does the Latin language continue to influence English speakers today?
1 answer
129 views
What are some words you would use to describe the lives of upper-class Romans?
1 answer
71 views
How did colonies help spread Greco-Roman culture?
1 answer
117 views
the different between the third term and first term of a geometric progression is 42 if the fourth is greater than the second
24 answers
234 views
What does it mean for a computing system to have an interface
0 answers
201 views
Which statement explains how the charges on objects determine the electric force between them?
5 answers
751 views
I have $ $100.00 and need to buy 100 animals exactly. Also need to buy at least one each. Cows are $10.00. Pigs are $3.00 and
1 answer
387 views
I have100.00 and have to buy 100 animals exactly. I also need to buy one each. Cows are $100.00 pigs are $10.00 and chickens are
1 answer
272 views
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0 answers
150 views
While cleaning a toilet, 150 mL of disinfectant solution is poured into a toilet containing 750 mL of water. If the initial
1 answer
265 views
30.0 g of NaCl(s) is added to water to make 800 mL of salt solution.
a. Determine the number of moles in 30.0 g of NaCl(s). b.
1 answer
463 views
Classify each substance as being either a molecular compound or an ionic compound. Determine whether it will dissolve in water
1 answer
558 views
What were the major decisions and compromises made at the Constitutional Convention?
1 answer
420 views
Rebecca has 20 table tennis balls and 16 table tennis paddles. She wants to sell packages of balls and
paddles bundled together.
4 answers
1,516 views
If Mary inspects every sixth calculator and Nancy inspects every fifth calculator, which calculator will
be the first that they
3 answers
684 views
Eggs come in packages of 12 and English muffins come in packages of 10. What is the least number of
packages of each that can be
2 answers
1,153 views
Donna has 5 packs of candies. Each pack has 52 candies, and each
pack has different candy flavor. The flavors of candies in the
3 answers
574 views
A ball is thrown in the -y direction off of a cliff with a velocity of 7m/s. If the ball takes 1.45s to reach the ground, how
1 answer
428 views
Centripetal force is a fictitious force.
True False ik that centrifugal is fictitious, is it the same?
2 answers
271 views
An object is pushed horizontally at constant velocity. What is true about the forces on the object?
a) The force or forces acting
1 answer
1,209 views
a computer password is required to be 9 characters long. how many passwords are possible if the password requires 3 letters
1 answer
476 views
Calculate the volume of a cylindrical steel bar which is 8cm long and 3.5 can in diameter
1 answer
362 views
The Kingdom of Benin ____.
1: Gained much wealth from its trading city of Tombouctou 2: Was called the “land of gold” by many
1 answer
758 views
Tarzan, an 85 Kg jungle brute, was running along a branch at a speed of 7.5 m/s 15 m above a level jungle floor. He grabs a 17 m
0 answers
444 views
A biologist wants to know the width w of a river so that instruments for studying the pollutants in the water can be set
1 answer
1,207 views
A model is made of a car.The car is 9 feet long and the model is 6 inches long.what is the ratio of the length of the car to the
1 answer
1,504 views
Use the matrix method to solve
5x+3y=35 3x-4y=-8
3 answers
761 views
Gabriel is making a mixture of compost and soil to use for a special plant. He wants his final mix to be 2 parts compost to 10
1 answer
1,097 views
Use a linear approximation for sin to find an approximation (this will not be linear) to the function sin(𝑥^3) near 𝑥=0 .
1 answer
459 views
The amount of money in an account may increase due to rising stock prices and decrease due to falling stock prices. Nathan is
5 answers
4,251 views
Given that the graph of f passes through the point (1, -4) and that the slope of its tangent line at (x,f(x)) is 2x+1, find
2 answers
2,087 views
Find any intervals where the function f(x)=−(5x+5sin(x)),0≤x≤2π is increasing/decreasing.
7 answers
779 views
Calculate the percentage increase in length of a wire of diameter 2.2 mm stretched by a load of 100 kg.Young's modulus of wire
2 answers
1,745 views
Is this factorization a prime factorization? 2^2 x 3 x 5^4 x 8 x 11^2
5 answers
1,718 views
A cube made ouk and side 15cm floats in water with 10.5cm of it's depth below the surfaces and with it's side's vertical what is
3 answers
2,823 views
A block cedar has a mass of 200 kg and density of 570 what fraction of the wood will be surface of block is floating in water
1 answer
3,284 views
A space vehicle travelling at a velocity of 6000km/h separates into two parts of mass 1200 kg and 300 kg. The two parts continue
1 answer
607 views
A racing car of mass 850 kg accelerates from 20 km/h to 160 km/h over a distance of 300 metres. Frictional forces and wind
1 answer
752 views
How do you take the limit of a composite piecewise function f(f(x))?
Only the graph is given. lim f(f(x)) x->2 I figured the way
1 answer
1,597 views
A helicopter drops a box of supplies after a disaster. The function represents the height y (in feet) of the box t seconds after
1 answer
2,428 views
Matter is in a liquid state when its temperature is between its melting point and its boiling point. Suppose that some substance
1 answer
727 views
An architect make a model of a building with a volume of 1440 cubic centimeters? The length of the model is 15 centimeters and
1 answer
816 views
measure of angle A and measure of angle B are complementary. measure of angle A = 3x + 12 and measure of angle B = 2x - 22.
Find
1 answer
1,340 views
-6 greater equal to 13 + 5 which of these values of X makes the inequality true
-3.9 -1.2 3/13 -7/15 Please help explain answer
1 answer
468 views
-6 greater equal to 13 + 5 which of these values of X makes the inequality true
1 answer
431 views
What number less 6% equals 610,000
1 answer
348 views
What inventions were made because of the telegraph?
3 answers
494 views
I need help with lesson 12 unit 2 for seventh grade there is a unit test called Eastern Europe and Russia and unit test
7. Many
15 answers
3,811 views
Procedure:
1) Accurately weigh approximately 0.40 g of Dimethyl maleate into a 50 mL round bottom flask that possesses a ground
1 answer
664 views
Procedure:
1) Accurately weigh approximately 0.40 g of Dimethyl maleate into a 50 mL round bottom flask that possesses a ground
0 answers
502 views
Elasticity
a) Find the elasticity of the demand function q + 2p = 5000 when p = $1000, and q = 3000. b) How would revenue be
1 answer
751 views
Q1:(a) Make a relative frequency table of the data. Enter your answers to three decimal places.
Cell Phone Owned Relative
1 answer
4,126 views
Huck Finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft’s motion relative to the
0 answers
1,319 views
A projectile is shot from the edge of a cliff 145m above ground level with an initial speed of 65.0 m/s at an angle of 37.0°
3 answers
651 views
Your gun is perfectly level with a monkey at a distance of 55 m. Your bullet is shot perfectly horizontal at a speed of v_0=38
0 answers
417 views
During your trip in question 10, you encounter some construction. In 25 seconds, you have to slow from 70 mph to 55 mph. What is
1 answer
430 views
After today’s test, you are going to meet some friends at Disney World. The total distance to Disney World is 68 miles. If you
2 answers
561 views
Assume you have a canon aimed straight up. The cannonball is shot at a velocity
of v_0=69 m/s. How high does the cannonball go?
1 answer
644 views
i need ratios of 5/6
1 answer
373 views
Roberto wants to reduce a drawing that's is 12 inches long by 9 inches wide.if his new drawing is 8 inches long. How wide will
7 answers
2,405 views
An 8.5 centimeter green bean pod contains peas that average 0.45 centimeter in diameter. How many peas are in the pod
2 answers
893 views
A chemist needs 22 liters of a 14% acid solution. He has a 10% solution and a 20% solution available to form the mixture. How
1 answer
720 views
An element has three stable isotopes. One has a mass number of 63 and an abundance of 50%. The second has a mass number of 65
15 answers
8,298 views
why is protein folding important to enzyme activity?
1 answer
1,096 views
The Vector v has a length of 15 and points at an angle of 30 degrees. The Vector u has a length of 17 and points at an angle of
2 answers
983 views
Suppose that A and B are independent events such thatP(A)=.50 andP(B)=.30 .
Find and P(A U B) and P(A upside down U B) .
2 answers
1,904 views
Bert gave me 1/2 of the candy bar then I gave 1/2 of what I have to my sister
What fraction of the whole candy bar did my little
1 answer
493 views
Please could you help me with a good attention getter for a presentation on how interviews were done
3 answers
497 views
If the heat of combustion for a specific compound is -1250.0 kJ/mol and its molar mass is 35.39 g/mol, how many grams of this
1 answer
642 views
Gina has 4 red ribbons, 6 times as many blue ribbons as green ribbons, and 1/4 as many green ribbons as red ribbons. How many
1 answer
942 views
Two metallic spheres of mass .001 kg hang from a point by .3 m strings. Each is given the same amount and sign of charge. After
1 answer
655 views
What is the mass which causes a spring of k = 100 N/m to stretch by 10 cm?
3 answers
2,290 views
What point on the unit circle corresponds to -5pi/4?
A. (-Root2/2, Root2/2) B.(-Root3/2, 1/3 C.(-1/2, Root3/2) D.(0,1) D?
1 answer
611 views
a boy runs 18.4 miles in 4.5 hours, how many miles can he run in 1 hour?
2 answers
451 views
Your program has a research and development project scheduled to start in January 2014 which is expected to take 40 months to
1 answer
557 views
The Japanese yen corresponds to the american dollar. If the exchange rate is 150 Yen for 1 Dollar, then A japanese car sold in
4 answers
1,244 views
Matt and Jena, working together, can clean the house in 9 hours. Working alone, Jena takes three times as long as Matt. How long
3 answers
988 views
When ending a letter to a high gov't official with the phrase 'Respectfully Submitted', are both words capitalized, or just the
2 answers
535 views
A 5.86 kg block initially at rest is pulled to the
right along a horizontal surface by a constant, horizontal force of 14.4 N.
1 answer
810 views
jeff rode bike 5 times as many miles as Vin. together they rode 18 miles. how many miles did each boy ride
1 answer
544 views
single titration was performed which required 11.82 ml of .1 M Na2S2O3
the density of the original undiluted bleach unknown was
1 answer
461 views
How Does Empathy Positively Affect Education?
1 answer
532 views
Are my answers correct?
Calculate the molarity: a) 0.500 mol of NaOH in 2.45 L of solution. b) 24.1 g of NaCl in 853 mL of
0 answers
691 views
If a skydiver has a forward velocity of 40 m/s, what is the forward velocity after one second?
What is the downward velocity
1 answer
1,667 views
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