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Robert

Questions and answers by visitors named Robert

Questions (514)

Write the pronoun in these sentences. Then write the underlined words,that they replace." Let us think of a way to clean up
1. 4 answers
2. 2,133 views
Any number in the form of a+-bi , where a and b are real numbers and b not equal 0 is considered a pure imaginary number. TRUE
1. 11 answers
2. 13,213 views
Dividing 0.32g of sulfur by its density of 2.07g/cm^3 results in an answer with three significant figures? Am I right?
1. 2 answers
2. 1,756 views
Rebecca has 20 table tennis balls and 16 table tennis paddles. She wants to sell packages of balls andpaddles bundled together.
1. 5 answers
2. 1,178 views
This very southern city in Africa is in an area of moderate rainfall
1. 9 answers
2. 2,542 views
Eggs come in packages of 12 and English muffins come in packages of 10. What is the least number ofpackages of each that can be
1. 2 answers
2. 935 views
Use fraction strips to find each sum or difference. Simplify if possible.2 1/3 + 1 2/3 3 5/6 + 4 3/6 4 6/10+ 5 7/10 1 1/6 + 3
1. 4 answers
2. 1,951 views
If Jill climbed 100 feet more, how many feet above sea level would she be?
1. 5 answers
2. 1,038 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. 1 answer
2. 296 views
Donna has 5 packs of candies. Each pack has 52 candies, and eachpack has different candy flavor. The flavors of candies in the
1. 3 answers
2. 373 views
The function f given by f(x) = x^3 + 12x – 24 is?Increasing for all x's? Cause that's what I think..
1. 2 answers
2. 5,054 views
Which piece of empirical is qualitative data
1. 1 answer
2. 16 views
What are some of the different architectural structures that make up the Pantheon?
1. 1 answer
2. 30 views
How did the Twelve Tables change the Roman legal system?
1. 1 answer
2. 32 views
How did Roman entertainments differ from Greek ones?
1. 1 answer
2. 24 views
In what ways does this building resemble modern ones?
1. 1 answer
2. 31 views
What is each of these writers known for: Horace, Ovid, Juvenal?
1. 1 answer
2. 27 views
How has Ptolemy’s theory been disproved today?
1. 1 answer
2. 30 views
In what ways does the Latin language continue to influence English speakers today?
1. 1 answer
2. 31 views
What are some words you would use to describe the lives of upper-class Romans?
1. 1 answer
2. 21 views
How did colonies help spread Greco-Roman culture?
1. 1 answer
2. 33 views
the different between the third term and first term of a geometric progression is 42 if the fourth is greater than the second
1. 24 answers
2. 82 views
What does it mean for a computing system to have an interface
1. 1 answer
2. 60 views
Which statement explains how the charges on objects determine the electric force between them?
1. 5 answers
2. 316 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. 1 answer
2. 281 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. 1 answer
2. 141 views
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1. 88 views
2. 0 answers
While cleaning a toilet, 150 mL of disinfectant solution is poured into a toilet containing 750 mL of water. If the initial
1. 1 answer
2. 143 views
Classify each substance as being either a molecular compound or an ionic compound. Determine whether it will dissolve in water
1. 1 answer
2. 411 views
What were the major decisions and compromises made at the Constitutional Convention?
1. 1 answer
2. 270 views
If Mary inspects every sixth calculator and Nancy inspects every fifth calculator, which calculator willbe the first that they
1. 3 answers
2. 562 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. 1 answer
2. 316 views
Centripetal force is a fictitious force.True False ik that centrifugal is fictitious, is it the same?
1. 2 answers
2. 174 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. 2 answers
2. 919 views
a computer password is required to be 9 characters long. how many passwords are possible if the password requires 3 letters
1. 1 answer
2. 322 views
Calculate the volume of a cylindrical steel bar which is 8cm long and 3.5 can in diameter
1. 1 answer
2. 230 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. 1 answer
2. 597 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
1. 291 views
2. 0 answers
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. 1 answer
2. 1,004 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. 1 answer
2. 1,361 views
Use the matrix method to solve5x+3y=35 3x-4y=-8
1. 3 answers
2. 621 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. 1 answer
2. 915 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. 1 answer
2. 341 views
The amount of money in an account may increase due to rising stock prices and decrease due to falling stock prices. Nathan is
1. 5 answers
2. 4,009 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
1. 2 answers
2. 1,886 views
Find any intervals where the function f(x)=−(5x+5sin(x)),0≤x≤2π is increasing/decreasing.
1. 7 answers
2. 644 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
1. 2 answers
2. 1,544 views
Is this factorization a prime factorization? 2^2 x 3 x 5^4 x 8 x 11^2
1. 5 answers
2. 1,571 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
1. 3 answers
2. 2,643 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. 2 answers
2. 3,080 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. 1 answer
2. 478 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. 1 answer
2. 604 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. 1 answer
2. 1,331 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. 2 answers
2. 2,094 views
Matter is in a liquid state when its temperature is between its melting point and its boiling point. Suppose that some substance
1. 1 answer
2. 532 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. 1 answer
2. 603 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. 1 answer
2. 1,205 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. 1 answer
2. 367 views
-6 greater equal to 13 + 5 which of these values of X makes the inequality true
1. 1 answer
2. 322 views
What number less 6% equals 610,000
1. 1 answer
2. 259 views
What inventions were made because of the telegraph?
1. 3 answers
2. 350 views
I need help with lesson 12 unit 2 for seventh grade there is a unit test called Eastern Europe and Russia and unit test7. Many
1. 15 answers
2. 3,340 views
Procedure:1) Accurately weigh approximately 0.40 g of Dimethyl maleate into a 50 mL round bottom flask that possesses a ground
1. 1 answer
2. 516 views
Procedure:1) Accurately weigh approximately 0.40 g of Dimethyl maleate into a 50 mL round bottom flask that possesses a ground
1. 370 views
2. 0 answers
Elasticitya) Find the elasticity of the demand function q + 2p = 5000 when p = $1000, and q = 3000. b) How would revenue be
1. 1 answer
2. 582 views
Q1:(a) Make a relative frequency table of the data. Enter your answers to three decimal places.Cell Phone Owned Relative
1. 1 answer
2. 3,903 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
1. 1,147 views
2. 0 answers
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°
1. 3 answers
2. 498 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
1. 303 views
2. 0 answers
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. 1 answer
2. 317 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
1. 2 answers
2. 370 views
Assume you have a canon aimed straight up. The cannonball is shot at a velocityof v_0=69 m/s. How high does the cannonball go?
1. 1 answer
2. 494 views
i need ratios of 5/6
1. 1 answer
2. 299 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
1. 7 answers
2. 2,242 views
An 8.5 centimeter green bean pod contains peas that average 0.45 centimeter in diameter. How many peas are in the pod
1. 2 answers
2. 729 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. 1 answer
2. 594 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
1. 15 answers
2. 8,027 views
why is protein folding important to enzyme activity?
1. 1 answer
2. 916 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
1. 2 answers
2. 860 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) .
1. 2 answers
2. 1,711 views
Bert gave me 1/2 of the candy bar then I gave 1/2 of what I have to my sisterWhat fraction of the whole candy bar did my little
1. 1 answer
2. 366 views
Please could you help me with a good attention getter for a presentation on how interviews were done
1. 3 answers
2. 359 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. 1 answer
2. 491 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. 1 answer
2. 767 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. 1 answer
2. 540 views
What is the mass which causes a spring of k = 100 N/m to stretch by 10 cm?
1. 4 answers
2. 2,087 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. 1 answer
2. 465 views
a boy runs 18.4 miles in 4.5 hours, how many miles can he run in 1 hour?
1. 2 answers
2. 359 views
Your program has a research and development project scheduled to start in January 2014 which is expected to take 40 months to
1. 1 answer
2. 422 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
1. 4 answers
2. 1,070 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
1. 3 answers
2. 851 views
When ending a letter to a high gov't official with the phrase 'Respectfully Submitted', are both words capitalized, or just the
1. 2 answers
2. 365 views
A 5.86 kg block initially at rest is pulled to theright along a horizontal surface by a constant, horizontal force of 14.4 N.
1. 1 answer
2. 673 views
jeff rode bike 5 times as many miles as Vin. together they rode 18 miles. how many miles did each boy ride
1. 1 answer
2. 376 views
single titration was performed which required 11.82 ml of .1 M Na2S2O3the density of the original undiluted bleach unknown was
1. 1 answer
2. 337 views
How Does Empathy Positively Affect Education?
1. 1 answer
2. 420 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
1. 1 answer
2. 530 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. 1 answer
2. 1,554 views
Depending upon the tip of a dropper pipet, there are approximately 20 drops per milliliter of water. The experimental procedure
1. 1 answer
2. 1,822 views
describe a real world relationship between the area of a rectangle and its width, as the width varies and the length stays the
1. 2 answers
2. 1,215 views

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