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Danny
Questions and answers by
Danny
, page 4
Questions (416)
The Magnetic field lines of a bar magnet begin near the magnet's _____________.
I believe this question is asking where the lines
4 answers
1,468 views
I have to make a table or list to solve these problems.
1. Tina and Bruce are each rolling a 1 to 6 number cube. They are looking
5 answers
492 views
¿Con quién _____ tú el almuerzo?
A. comparto B. compartes C. compartimos D. comparte B?
3 answers
1,112 views
_____ las salchichas. Como salchichas todos los días.
A. Me gusta mucho B. Me encantan C. No me gustan nada D. Me encanta B?
1 answer
750 views
Nosotros siempre _____ la comida.
A. comparten B. comparto C. compartimos D. comparte A?
2 answers
1,095 views
Select the correct sentence.
1. Dr. Jones is an excellent surgeon but does not have a good bedside manner. 2. Dr. Jones is an
4 answers
464 views
I need to identity three siutaions that Hamlet, Laertes and Fortinbras all share. I have one situation that they all share which
2 answers
551 views
If p^2-q^2=12, and p+q=4 What is the value of p?
1 answer
257 views
Which part of speech is the capitalized words in this sentence?
Four score and seven years ago our fathers brought forth on this
4 answers
1,977 views
Six people shares 3/4kg of chocolate equally. How much chocolate does each person get?
4 answers
789 views
Imagine making a tent in the shape of a right prism whose cross-section is an equilateral triangle (the door is on one of the
3 answers
927 views
A spring is 25 cm long when stretched. The spring was stretched by 18% of its original length. Determine the original length.
7 answers
2,073 views
The air pressure in a tire is 800.000kPa.The internal surface area of the tire is 550.000cm^2. Determine the total force applied
3 answers
446 views
The air pressure in a tire is 150.000 kPa.
The internal surface area of the tire is 1150.000 cm^2. Determine the total force
4 answers
959 views
A train traveling at a speed of 110km/h uniformly decelerates for 20 seconds. During that time it travels 450m
a) what is the
1 answer
453 views
I have to find two numbers the quotient is between.
393
1 answer
321 views
A train traveling at a speed of 110 km/h uniformly decelerates for 20 seconds. During that time it travels 450m.
A) What is the
3 answers
1,562 views
Give the reason (property) for each step in the simplification.
8(a+b)-3a (8a+8b)-3a (8b+8a)-3a 8b+(8a-3a) 8b+5a
3 answers
419 views
A block of mass 0.74 kg is suspended by a string which is wrapped so that it is at a radius of 0.060 m from the center of a
2 answers
527 views
The surface density of a thin rectangle varies as:
σ(x,y)= 14.0 kg/m2 + 9.00 kg/m4(x2+y2) The rectangle has a length L = 0.500 m
1 answer
606 views
A block of mass 0.74 kg is suspended by a string which is wrapped so that it is at a radius of 0.060 m from the center of a
3 answers
628 views
The surface density of a thin rectangle varies as:
σ(x,y)= 14.0 kg/m2 + 9.00 kg/m4(x2+y2) The rectangle has a length L = 0.500 m
3 answers
830 views
Give the formula for the conjugate base of each acid.
A.HSO4- B.H3PO4 C.HPO42- I have my answers as h2so4 h2po4 h2po4- my
2 answers
813 views
Calculate the pH of a solution in which
a. [H3O+] = 7.8 x 10-7 M pH = b. [H3O+] = 5.1 x 10-6 M pH = c. [H3O+] = 6.1 x 10-5 M pH =
1 answer
1,230 views
Calculate the H3O+ concentration present in water under the following conditions. Enter your answer in scientific notation.
a.
2 answers
1,117 views
Determine the specific heat of a material if a
34.7 g sample absorbed 45.2 J as it was heated from 293 K to 318 K. Answer in
1 answer
495 views
If 689000 J of energy are added to 4.00 L of
water at 284 K, what will the final temperature of the water be? Answer in units of
1 answer
488 views
How long is Mayra, a ballerina, in the air when she leaps straight up with a speed of 1.23 m/s?
1 answer
412 views
Cameron kicks a football with an initial vertical velocity of 18.5 m/s and an initial horizontal velocity of 18 m/s and there is
1 answer
369 views
A sprinter must average 24.0 mi/h to win a 100-m dash in 9.30 s. What is his wavelength at this speed if his mass is 84.5 kg?
4 answers
1,307 views
The pilot of an aircraft wishes to fly due
west in a 50.0 km/h wind blowing toward the south. The speed of the aircraft in the
2 answers
776 views
A boy runs 18.4 blocks North, 12.9 blocks
Northeast, and 19.7 blocks West. a)Determine the length of the displacement vector that
1 answer
633 views
A boy runs 18.4 blocks North, 12.9 blocks
Northeast, and 19.7 blocks West. a)Determine the length of the displacement vector that
2 answers
544 views
Complete and balance the following reactions, where applicable. If no reaction occurs, write N.R.
Li + H2O ---> KCI + F2 ---> Au
2 answers
591 views
A 5.0 kg model vehicle travelling at 14 m/s experiences a rocket boost of 85 N ( in the direction of motion) for 20 s
What is the
4 answers
1,957 views
The block of mass 1.43443 kg has an acceleration of 3.6 m/s^2 as shown.
What is the magnitude of F? Assume the acceleration due
3 answers
718 views
A sample of toluene, C7H8 has a mass of 74.5 g. How many moles of benzene does it contain? How many molecules does the sample
4 answers
597 views
How do i convert mols CaCl2 to AgCl
1 answer
355 views
I'm less than a hundred, the sum of my digits 17, I am a even number
2 answers
517 views
What time of year does snow come to the far north?
5 answers
965 views
One gram of palladium has 5.66×10^21 atoms, and each palladium atom has 46 electrons. How many electrons are contained in 7.00g
4 answers
884 views
One gram of palladium has 5.66×10^21 atoms, and each palladium atom has 46 electrons. How many electrons are contained in 7.00g
2 answers
546 views
REALLY NEED HELP WITH THIS PLEASE.
One gram of palladium has 5.66×10^21 atoms, and each palladium atom has 46 electrons. How
2 answers
548 views
21. A traffic signal of mass 25.0 kg is suspended by two cables as shown in the diagram below. Solve for the tension in each
4 answers
4,715 views
38. A rock of mass 0.400 kg is released from the surface and sinks in the ocean. As the rock descends it is acted upon by three
1 answer
741 views
PART ONE:
A charge of 4.70μC is at the origin and a second charge of −2.85μC is on the positive x-axis 1.08 m from the
1 answer
673 views
Water in the upper zones of the ocean will have more oxygen than water in deeper zones. true or false i think true.
1 answer
414 views
A 5.0 Ω resistor, a 9.0 Ω resistor, and a 12.0 Ω resistor are connected in parallel across a 24.0 V battery.
a) What is the
4 answers
2,970 views
How do you find the derivative of 1/3(x^2+2)^3/2 ? Please help
1 answer
349 views
At a certain elevation, the boiling point of water is 98.5°C. How much energy is needed to heat 35.0 mL of water to the boiling
4 answers
3,975 views
Mtal block weighs 500g in air and 446g completely submerged in water.
Calculate density and relative density. I know relative
3 answers
798 views
Is this correct??
Metal block weighs 500g in air and 446g completely submerged in water. Calculate density and relative density.
5 answers
933 views
I have a question on fluids.
Water in a section 1.2m wide, 2m high. retained by sluice gate that can pivot about its base. There
3 answers
556 views
I have a question on fluids.
Water in a section 1.2m wide, 2m high. retained by sluice gate that can pivot about its base. There
1 answer
419 views
can someone help me put (yuan depreciates against the dollar into one stanza of a song.
1 answer
385 views
What mass of solute is contained in 250 mL of 0.895 M NH4Cl?
I think that this is a molarity question. Molarity = mass of
2 answers
946 views
Have a question on complex numbers.
Z1= 1+j2, Z2= 2+j5 Find total impedance in Cartesian and polar form of two impedances in
2 answers
1,259 views
Sarah Meeham blends coffee for Tasi-Delight. She needs to prepare 140 pounds for blended coffee beans selling for $5.07 per
3 answers
1,128 views
Q, P and R are three villages on a level ground. Q is 4km on a bearing of 040° from P, while R is 3km on a bearing of 130°
3 answers
791 views
If Angela runs up 5 steps of the escalator, then it takes her 40 seconds to reach the top of the escalator. If she runs up 14
3 answers
429 views
Solve system by substitution or elimination x+4y=13
2x+3y=6
3 answers
901 views
An I section beam of 4m length with end supports is required to carry a point load of 50 KN at its mid pint. The maximum bending
1 answer
443 views
Short column of rectangular cross section 160mm by 60mm carrying point load of 40 KN at max eccentricity position along the
2 answers
605 views
On the third day of Statistics, my teacher gave to me….three French hens. Because she is in a hurry, she randomly selects
4 answers
533 views
Suppose that real GDP per capita in the United States is $49,000. If the long-term growth rate of real GDP per capita is 1.6%
4 answers
2,969 views
A 6.80 x 10^4 kg space shuttle moving at 7.90 x 10^4 m/s reenters the earth's atmosphere 80.0 km above the earth's surface. What
4 answers
1,007 views
In a class of 30 learners,17 play football,15 play vollyball,12 play rugby.9 learners play vollyball only and 3 play rugby
5 answers
1,292 views
Why is methanol a good solvent to recrystallize biphenyl?
1 answer
776 views
Is Gc (32.2 lbmft/lbfs^2) equal to gravity? I think it is, but I'm kinda confused about the whole concept. Could someone explain
2 answers
556 views
Is Gc (32.2 lbmft/lbfs^2) equal to gravity? I think it is, but I'm kinda confused about the whole concept. Could someone explain
1 answer
434 views
You start with a 20ml mixture of two compounds. After distillation you end up with 10ml of distillate 1 and 8.4ml of distillate
5 answers
672 views
If I am doing a fractional distillation, is the temperature of the first few drops of the distillation considered part of the
1 answer
513 views
Rectangular sheet of metal 750mm by 300mm - find length of the sides of the squares to give max volume to the box, and find
1 answer
451 views
the vector function r(t)=< 5 sin t, 3 sec t > , represents the position of a particle at time t. find the velocity v (t) and
3 answers
495 views
A 5 kg block is being pulled on a frictionless surface by a string at an angle of 30o to the horizontal. The tension in the
4 answers
670 views
Show using integration by parts that:
e^3x sin(2x)dx = 4/26 e^3x (3/2 sin(2x) - cos(2x)) +c Bit stuck on this. Using rule f udv =
3 answers
1,029 views
Based on like dissolve like, determine if these compounds will be more soluble in water or an organic solvent.
1) Sodium Butyrate
1 answer
466 views
The student mr. Davis class either walk or ride the bus to school the number of students ride the bus is a tenant in the number
1 answer
490 views
A plane flies in a direction of 85° from Chicago. It then turns and flies in the direction of 200° for 150 miles. It is then
4 answers
1,864 views
review Question --
3 simple steps for DNA duplication I have found so many answers but cant get a concise one. 1. separation - of
1 answer
213 views
In an unknown fraction the denominator is one more than twice the numerator. When 2 1/10 is added to this fraction, the result
2 answers
613 views
what is the largest 3 digit even number you can make with the digits 1,2, and 3?
1 answer
293 views
A hemispherical bowl with a 30-centimeter radius contains some water, which is 12 centimeters deep. Find the volume of the
3 answers
1,843 views
The measures of the three angles of a triangle are given. Find the value of x and state whether the triangle is acute, obtuse,
4 answers
2,121 views
Consider the following reaction.
2Fe2O3 --> 4Fe+3O2 Hrxn=+824.2 The Formation of 21.0 of Fe results in 1)the release of 77.5 kJ
3 answers
1,569 views
The post office ships a package using large package rates if the sum of the length of the longest side and the girth (distance
2 answers
540 views
The post office ships a package using large package rates if the sum of the length of the longest side and the girth (distance
2 answers
612 views
Suppose a spherical snowball is melting at a constant rate of 0.20in per hour. How fast is the volume changing when the radius
3 answers
675 views
Jessica played on the school chess team last year. She won 65% of the games She played. If She won 13 games, How many did She
3 answers
640 views
1. How do mutations play into the fitness of an organism?
2. Describe how variation, selection and time fuel the process of
1 answer
430 views
1. How do mutations play into the fitness of an organism?
2. Describe how variation, selection and time fuel the process of
1 answer
404 views
In Sitton Spelling and Word Skills Practice Book, What is the answers antonyms: after less south
remember against tall
2 answers
497 views
In Sitton Spelling and Word Skills Practice Book, What is the answers antonyms: after less south
remember against tall
1 answer
52 views
Answers for suffixes colorful, late, northern, troubled, straight, friendly, dry, safe, useful, flat, willing, early, hungry,
5 answers
222 views
It is a prime number. The number is less than 30,greater than 20. The sum of thedigit is less than 10. What is the mystery
3 answers
534 views
Why can viruses of the family of the Poxviridae be genetically modified more easily than viruses of most other viral families?
A.
2 answers
512 views
the graph of an inverse trigonometric function passes through the point (1,pi/2). which of the following could be the equation
3 answers
1,080 views
How would you show that sin(x+pi)=-sin x?
I’m not sure how to start so if someone can tell me how to start it I should be able
4 answers
340 views
The famous Chinese magician Foo Ling Yu performs a classic magic trick using a concave mirror with a focal length of 1.6 m. Foo
3 answers
2,402 views
Gabriella’s travel shampoo bottle holds 1/2 cup of shampoo before leaving on vacation she filled the bottle to the top with
3 answers
793 views
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