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Danny

Questions (417)

How are twins formed
1. 1 answer
2. 15 views
If current of 4.5A is used to find time taken for 5.5g of gold deposited. Given Au is 197 and 1 Faraday = 96500C
1. 1 answer
2. 128 views
For this assignment, you will consider why this time period is considered a golden age in Chinese history and explain how the
1. 1 answer
2. 172 views
4. How did the researchers address the problem described in question 3? Do you believe that their method was adequate? Justify
1. 1 answer
2. 126 views
lim n→∞ cos((nπ)/(3n+4)) =
1. 1 answer
2. 231 views
A curve is given by the parametric equationsx=e^t, y=5-e^(3t)
1. 1 answer
2. 503 views
Which of the following is a chemical change?
1. 2 answers
2. 332 views
What are the mean and standard deviation of the sampling distribution of ? Round your results to the nearest penny.
1. 1 answer
2. 338 views
A car is sold for $22,000. After one year, the value of the car is $16,500. Write an exponential function y to determine the
1. 1 answer
2. 896 views
Use rounding to estimate the product 4 3/4 • 7 2/17
1. 3 answers
2. 1,030 views
Explain two factor why it is important for the youth to investment and be knowledgeable about it
1. 0 answers
2. 484 views
Use the word bank below to answer the questions that follow:alleles mitosis DNA phenotype haploid codominance diploid meiosis
1. 1 answer
2. 882 views
If the hypotenuse is 41 inches and one of the legs are 40 inches how long is the other??
1. 1 answer
2. 381 views
a 47 kg person in a rollercoaster moving through the bottom of a curved track of radius 47.7 m feels a normal force of 895 N.
1. 1 answer
2. 467 views
a 47 kg person in a rollercoaster moving through the bottom of a curved track of radius 47.7 m feels a normal force of 895 N.
1. 3 answers
2. 529 views
She forfeited the tennis match on or of her own volition?
1. 1 answer
2. 369 views
No matter how hard she studied nemesis was always able to get a one point better.Is this a good use of the word nemesis,
1. 1 answer
2. 413 views
She forfeited the tennis match in or on her own volition.Is it correct to say in or on
1. 2 answers
2. 366 views
Gabriella’s travel shampoo bottle holds 1/2 cup of shampoo before leaving on vacation she filled the bottle to the top with
1. 2 answers
2. 871 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
1. 1 answer
2. 2,493 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
1. 3 answers
2. 413 views
the graph of an inverse trigonometric function passes through the point (1,pi/2). which of the following could be the equation
1. 2 answers
2. 1,157 views
Why can viruses of the family of the Poxviridae be genetically modified more easily than viruses of most other viral families?A.
1. 1 answer
2. 596 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
1. 2 answers
2. 592 views
Answers for suffixes colorful, late, northern, troubled, straight, friendly, dry, safe, useful, flat, willing, early, hungry,
1. 4 answers
2. 274 views
In Sitton Spelling and Word Skills Practice Book, What is the answers antonyms: after less southremember against tall
1. 0 answers
2. 86 views
In Sitton Spelling and Word Skills Practice Book, What is the answers antonyms: after less southremember against tall
1. 1 answer
2. 559 views
1. How do mutations play into the fitness of an organism?2. Describe how variation, selection and time fuel the process of
1. 0 answers
2. 471 views
1. How do mutations play into the fitness of an organism?2. Describe how variation, selection and time fuel the process of
1. 0 answers
2. 503 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
1. 2 answers
2. 721 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
1. 2 answers
2. 748 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
1. 1 answer
2. 685 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
1. 1 answer
2. 627 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
1. 1 answer
2. 1,662 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,
1. 2 answers
2. 2,237 views
A hemispherical bowl with a 30-centimeter radius contains some water, which is 12 centimeters deep. Find the volume of the
1. 1 answer
2. 1,939 views
what is the largest 3 digit even number you can make with the digits 1,2, and 3?
1. 1 answer
2. 327 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
1. 1 answer
2. 707 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. 0 answers
2. 279 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
1. 3 answers
2. 1,978 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. 1 answer
2. 587 views
Based on like dissolve like, determine if these compounds will be more soluble in water or an organic solvent.1) Sodium Butyrate
1. 0 answers
2. 535 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 =
1. 2 answers
2. 1,117 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
1. 2 answers
2. 736 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
1. 2 answers
2. 590 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. 1 answer
2. 517 views
If I am doing a fractional distillation, is the temperature of the first few drops of the distillation considered part of the
1. 0 answers
2. 629 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
1. 4 answers
2. 751 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. 1 answer
2. 524 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. 1 answer
2. 679 views
Why is methanol a good solvent to recrystallize biphenyl?
1. 0 answers
2. 874 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
1. 4 answers
2. 1,398 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
1. 3 answers
2. 1,122 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%
1. 3 answers
2. 3,074 views
On the third day of Statistics, my teacher gave to me….three French hens. Because she is in a hurry, she randomly selects
1. 3 answers
2. 616 views
Short column of rectangular cross section 160mm by 60mm carrying point load of 40 KN at max eccentricity position along the
1. 0 answers
2. 680 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. 1 answer
2. 541 views
Solve system by substitution or elimination x+4y=132x+3y=6
1. 1 answer
2. 964 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
1. 2 answers
2. 504 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°
1. 1 answer
2. 889 views
Sarah Meeham blends coffee for Tasi-Delight. She needs to prepare 140 pounds for blended coffee beans selling for $5.07 per
1. 2 answers
2. 1,231 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
1. 1 answer
2. 1,361 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
1. 1 answer
2. 1,047 views
can someone help me put (yuan depreciates against the dollar into one stanza of a song.
1. 0 answers
2. 448 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. 0 answers
2. 495 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. 2 answers
2. 657 views
Is this correct??Metal block weighs 500g in air and 446g completely submerged in water. Calculate density and relative density.
1. 4 answers
2. 1,056 views
Mtal block weighs 500g in air and 446g completely submerged in water.Calculate density and relative density. I know relative
1. 2 answers
2. 912 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
1. 2 answers
2. 4,078 views
How do you find the derivative of 1/3(x^2+2)^3/2 ? Please help
1. 1 answer
2. 402 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
1. 1 answer
2. 3,059 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. 1 answer
2. 479 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. 0 answers
2. 762 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. 0 answers
2. 823 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
1. 1 answer
2. 4,859 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
1. 1 answer
2. 627 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
1. 1 answer
2. 639 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
1. 3 answers
2. 971 views
What time of year does snow come to the far north?
1. 4 answers
2. 1,034 views
I'm less than a hundred, the sum of my digits 17, I am a even number
1. 1 answer
2. 572 views
How do i convert mols CaCl2 to AgCl
1. 1 answer
2. 406 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
1. 3 answers
2. 672 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
1. 1 answer
2. 795 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 sWhat is the
1. 1 answer
2. 2,054 views
Complete and balance the following reactions, where applicable. If no reaction occurs, write N.R.Li + H2O ---> KCI + F2 ---> Au
1. 1 answer
2. 654 views
A boy runs 18.4 blocks North, 12.9 blocksNortheast, and 19.7 blocks West. a)Determine the length of the displacement vector that
1. 0 answers
2. 619 views
A boy runs 18.4 blocks North, 12.9 blocksNortheast, and 19.7 blocks West. a)Determine the length of the displacement vector that
1. 0 answers
2. 712 views
The pilot of an aircraft wishes to fly duewest in a 50.0 km/h wind blowing toward the south. The speed of the aircraft in the
1. 1 answer
2. 864 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?
1. 2 answers
2. 1,387 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. 0 answers
2. 429 views
How long is Mayra, a ballerina, in the air when she leaps straight up with a speed of 1.23 m/s?
1. 1 answer
2. 481 views
Amanda surveyed 20 juniors and seniors at Delamar high school to find the number of hours per week they spend working at
1. 13 answers
2. 10,622 views
If 689000 J of energy are added to 4.00 L ofwater at 284 K, what will the ﬁnal temperature of the water be? Answer in units of
1. 0 answers
2. 538 views
Determine the speciﬁc heat of a material if a34.7 g sample absorbed 45.2 J as it was heated from 293 K to 318 K. Answer in
1. 0 answers
2. 549 views
Calculate the H3O+ concentration present in water under the following conditions. Enter your answer in scientific notation.a.
1. 1 answer
2. 1,312 views
Calculate the pH of a solution in whicha. [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. 0 answers
2. 1,306 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
1. 1 answer
2. 892 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. 2 answers
2. 911 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
1. 1 answer
2. 727 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. 0 answers
2. 666 views

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