Ask a New Question

Questions and answers by

sarah

Questions (1,217)

write a composition about whirlpools !
1. 1 answer
2. 338 views
three forces with magnitudes 100, 50, and 80 lb act on an object at angles of 50 degree, 160 degree, and -20 degree
1. 3 answers
2. 4,257 views
Three forces with magnitudxes 100, 50 and 80 lbs act on an object at angles of 50 degree, 160 degree and -20 degree
1. 1 answer
2. 1,344 views
sodium carbonate and hydrochloric acid react to give sodium chloride, carbon dioxide and water. How many grams of sodium
1. 2 answers
2. 940 views
a rectangular prism has l=6" & v= 144in^3. what are possible values for w & h?
1. 1 answer
2. 292 views
Determine the equation of a sine function that would have a range of {y| -4 ≤ y ≤ 1, y ε R} and a period of 45o.Determine
1. 1 answer
2. 2,218 views
what is the entropy of 10 molecules in a system of 100 boxes?
1. 0 answers
2. 764 views
what is the pH of the solution formed when 25 mL of 0.173 M NaOH is added to 35 mL of 0.342 M HCl?
1. 1 answer
2. 1,044 views
a buffer prepared by mixing equal moles of an acid having Ka=4.5x10^-4 and a salt of its conjugate base has a pH of what?
1. 1 answer
2. 1,826 views
the pH of a solution of HIO3 (Ka=1.7x10^-1) and KIO3 is 1.00. what is the molarity of KIO3 if the molarity of HIO3 is 0.025 M?
1. 1 answer
2. 1,447 views
what is the pH of the solution formed when 25 mL of 0.173 M NaOH is added to 35 mL of 0.342 M HCl?
1. 1 answer
2. 1,245 views
a buffer prepared by mixing equal moles of an acid having Ka=4.5x10^-4 and a salt of its conjugate base has a pH of what?
1. 2 answers
2. 1,189 views
the pH of a solution of HIO3 (Ka=1.7x10^-1) and KIO3 is 1.00. what is the molarity of KIO3 if the molarity of HIO3 is 0.025 M?
1. 1 answer
2. 804 views
A carbon dioxide laser is an infrared laser. A CO laser with a cavity length of 48.6cm oscillates in the m=100,000.0 mode. What
1. 2 answers
2. 1,084 views
In cattle, red hair and white hair are codominant. Cattle with both white hair and red hair are what?please help! thanks!
1. 6 answers
2. 3,871 views
a). The displacement of a wave travelling in the positive x-direction is D(x,t)=(5.94cm)sin(1.18x-132.6t), where x is in meters
1. 0 answers
2. 449 views
A jet airplane has an intensity of 97.7W/ m^2 when heard at a distance of 30.0m. What is the maximum sound intensity heard by a
1. 0 answers
2. 383 views
A microphone has an area of 3.0cm^2. It receives during a 6.00s time period a sound energy of 1.0x10-11J. What is the intensity
1. 0 answers
2. 519 views
For a certain transverse wave, the distance between two successive crests is 4.48m, and 13 crests pass a given point along the
1. 1 answer
2. 507 views
Earthquakes are essentially sound waves travelling through the earth. They are called seismic waves. Because the earth is solid,
1. 1 answer
2. 603 views
Find the cost of a home in 20 years, assuming an annual inflation rate of 5%, if the present value of the house is $260,000.
1. 4 answers
2. 621 views
The average bond enthalpy for C__H is 413 kJ/mol. In other words, 413 kJ of energy is required to break a mole of CH into atoms:
1. 0 answers
2. 1,143 views
Four masses are connected by 27.1cm long, massless, rigid rods. If massA=237.0g, massB=511.0g, massC=257.0g, and massD=517.0g,
1. 0 answers
2. 767 views
A hiker who weighs 834N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs
1. 0 answers
2. 553 views
A uniform plank of length 5.0 m and weight 231N rests horizontally on two supports, with d = 1.34m of the plank hanging over the
1. 0 answers
2. 634 views
A cook holds a 2.66-kg carton of milk at arm's length (see the figure below). What force B must be exerted by the biceps muscle?
1. 2 answers
2. 1,026 views
Suppose a 34.5-kg child sits 1.17 m to the left of center on the same seesaw as the problem you just solved in the PRACTICE IT
1. 2 answers
2. 2,273 views
Given the reaction: H2SO4 = 2NaOH -> NaSO4 = 2H20.Determine the # of moles of sulfuric acid id needed to completely react with
1. 1 answer
2. 573 views
Given the reaction: H2SO4 = 2NaOH -> NaSO4 = 2H20.Determine the # of moles of sulfuric acid id needed to completely react with
1. 1 answer
2. 961 views
a drunken motorist who is moving at a constant velocity of 90 km/h passes a stationary police patrol car. The patrol car
1. 1 answer
2. 3,024 views
how many possible combinations are there to make $1.55 using a dollar, dimes and pennies?
1. 1 answer
2. 1,115 views
how do i find the equivalent decimal for 2 3/4
1. 2 answers
2. 424 views
A right triangle is formed in the first quadrant by the x- and y-axes and a line through the point (2,3). Draw a figure that
1. 1 answer
2. 2,629 views
$30.00 x .6/2-$17.50=
1. 1 answer
2. 264 views
The block of mass 4.44723 kg has an acceleration of 4.6 m/s^24.44723 kg F is at 30◦ a What is the magnitude of F? Assume the
1. 0 answers
2. 1,168 views
A 14700 kg sailboat experiences an eastwardforce of 29800 N due to tide pushing its hull while the wind pushes the sails with a
1. 0 answers
2. 666 views
A group of 200 students takes the Kaplan course in hopes that it will improve their SAT scores above the national mean of 500 on
1. 1 answer
2. 1,334 views
Your Mathematic school teacher want to use a program that can read the name and the mark of a student. Your teacher want the
1. 2 answers
2. 922 views
what is the greatest zero of the function y=x^2-25+66
1. 0 answers
2. 302 views
the frame for a shipping crate is to be constructed from 24 feet of 2 by 2 lumber.if the crate is to have square ends of side x
1. 1 answer
2. 833 views
0-9 are the building blocks for all numbers.what this means.
1. 1 answer
2. 941 views
How many grams of hydrogen can be prepared by treating 2.63 g of iron with 130.0 mL of 1.50 M sulfuric acid solution, to give
1. 1 answer
2. 440 views
When a car is traveling at 21 m/s on level ground, the stopping distance is found to be 18 m. This distance is measured by
1. 0 answers
2. 474 views
what is (6x^2-8x+8) divided (x-3)?i have done this problem about 20 times literally and can not get the right answer. i would
1. 1 answer
2. 360 views
The watt is the derived SI unit of power, the measure of energy per unit time: 1 W = 1 J/s. A semiconductor laser in a CD player
1. 1 answer
2. 1,516 views
determine where grouping symbols should be placed so that the value of the expression shown below is 4. Justify your answer.40-2
1. 0 answers
2. 361 views
Marissa plans to use 50 sheets of paper for a scrapbook. how much thicker will the scrapbook be if she uses heavyweight instead
1. 2 answers
2. 516 views
Suppose the water at the top of Niagara Falls has a horizontal speed of 2.36 m/s just before it cascades over the edge of the
1. 1 answer
2. 579 views
x^2 < x+12 in interval notation. Im not sure how to work with the x^2
1. 1 answer
2. 295 views
A car is traveling on an interstate highway:a) Can the car have a negative velocity and a positive acceleration at the same
1. 0 answers
2. 800 views
in a class of 18 students at school there are half as many girls as boys. How many girls are in the class? how many boys?
1. 1 answer
2. 534 views
pencils come in packs of 20 for 2.79 if 18 8th graders and 19 7th graders need 4 pencils how much would it cost?
1. 1 answer
2. 818 views
A circular loop of flexible iron wire has an initial circumference of 168cm , but its circumference is decreasing at a constant
1. 1 answer
2. 2,958 views
Rationalize the denominator:y divided by (square root of 6 + square root of y)
1. 0 answers
2. 403 views
whatcountries that wanted to populate the New World.
1. 1 answer
2. 440 views
A nickel is found to have a mass of 5.06 grams.Using unit analysis, show what the mass of this nickel is in ounces.
1. 2 answers
2. 2,747 views
Two bulbs are connected in parallel across a source of emf EMF = 10.0V with a negligible internal resistance. One bulb has a
1. 1 answer
2. 609 views
Two bulbs are connected in parallel across a source of emf EMF = 10.0V with a negligible internal resistance. One bulb has a
1. 3 answers
2. 4,635 views
WHAT / HOW DO I ANNOTATE ????
1. 1 answer
2. 334 views
Create an equation for cell phone plan:$30 for the first 500 minutes plus $.20 for each additional minute.
1. 0 answers
2. 375 views
consider the following statement: if a circle with its center at the origin has a chord with slope m, the equation of the right
1. 1 answer
2. 1,268 views
what is math
1. 1 answer
2. 298 views
what is neo classicism?
1. 1 answer
2. 368 views
how do you solve 2(x-3)=14-x over 5 ?
1. 1 answer
2. 441 views
a 1.0kg ball is thrown upward from 1.0m above the ground with a speed of 10m/s reaches a height of 4.5 m. what is the efficiency
1. 0 answers
2. 556 views
What motivational factors can influence individual performance in the workplace?How can compensation programs be used to
1. 1 answer
2. 548 views
An activity center is an area whereA. teachers conduct creative activites. B. children participate in active play. C. children
1. 1 answer
2. 596 views
The correct definition of the term aesthetics isA.sensing and gaining beauty and wonder from the environment. B. looking at the
1. 1 answer
2. 414 views
To promote creativity in the classroomcurriculum, a teacher should A. follow precise, preplanned steps B. provide materials that
1. 1 answer
2. 427 views
For long range communication an elephant uses a low frequency rumble that is undetectable to human ears. One elephant can pick
1. 1 answer
2. 486 views
For long range communication an elephant uses a low frequency rumble that is undetectable to human ears. One elephant can pick
1. 1 answer
2. 469 views
1. When the energy released by the formation of solute-solvent attractions is greater than the energy absorbed by overcoming
1. 2 answers
2. 999 views
which one of the following statements describes classical conditioning:A. it generally involves more than one independant
1. 1 answer
2. 2,053 views
You are walking down the street and in looking around, you can’t help but notice that half or more of the people you see are
1. 3 answers
2. 967 views
what is the difference between paradox, juxtaposition, and antithesis?
1. 1 answer
2. 490 views
a four digit serial numberneeds to be created using digits 0-9. first digit is even , no digit is repeated , last digit is odd
1. 1 answer
2. 570 views
What is the pH of a solution having a hydrogen ion concentration of 1x10^-5 M?Also the same question, but Hydroxide instead of
1. 1 answer
2. 3,648 views
A tuning fork is set into vibration above a vertical open tube filled with water. The water level is allowed to drop slowly. As
1. 1 answer
2. 3,492 views
given f(x)=x^3+5x find the rate of change for the interval [0.5,0.51]
1. 1 answer
2. 1,017 views
the term "insanity" is used
1. 2 answers
2. 520 views
: an airline offers discounted advanced purchase fares to customers who buy tickets more than 30 days before travel and charges
1. 1 answer
2. 1,285 views
1)when a certain polynomial is divided by x - 3, the quotient is x^2+2x-5 and the remainder is -3. what is the polynomial2) Find
1. 1 answer
2. 1,794 views
1)when a certain polynomial is divided by x - 3, the quotient is x^2+2x-5 and the remainder is -3. what is the polynomial2) Find
1. 0 answers
2. 645 views
what measure is formed by the hands of a clock at 5:00
1. 2 answers
2. 556 views
how can you identify gasses released by plants and animals
1. 0 answers
2. 1,068 views
If a 80 lightbulb emits 4.0 of the input energy as visible light (average wavelength 550 ) uniformly in all directions, estimate
1. 4 answers
2. 2,082 views
what was James L. Farmer, Jr. political and religious views?
1. 1 answer
2. 346 views
A map has a scale of 1/2 inch to 4 miles. The shortest distance between two cities on the map measures 8 inches. If d represents
1. 1 answer
2. 1,432 views
what joint does splenius muscle cross?
1. 0 answers
2. 276 views
a person is standing 12m away from a street light that is 9m tall. How tall is he if his shadow is 3m long?
1. 2 answers
2. 1,178 views
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.90 10-10 T.
1. 1 answer
2. 1,477 views
Mishel's research shows that ---------is especially important in teaching children to delay gratification and resit temptation.
1. 1 answer
2. 504 views
what is the only emotion that males express freely than females in every day interactionA.anger B.Sorrow C.Embarrassment D.Envy
1. 2 answers
2. 455 views
Parents of impulsive children can foster conscience development by building a a warm affectionate relationship the promotesA.
1. 0 answers
2. 752 views
Typically when paired with a boy in a laboratory play session, a two year old girl is likely toA. stand idly while the boy
1. 3 answers
2. 518 views
A parent who uses imperitives and specifit suggestions in everyday life is most likely the parent ofA.son B.daughter C.teenager
1. 1 answer
2. 548 views
I still need help with this questionWhich young adult is at risk of long term identity foreclosure or diffusion? A. A college
1. 1 answer
2. 510 views
Dean associates certain activites,roles, and traits as being typical for either males or females.His associations conform to
1. 2 answers
2. 716 views
which young adult is at risk of long-term identity foreclosure or diffusionA.An aspiring chef who has no ooportunity for
1. 4 answers
2. 538 views
how would you ensure proper development of the antagonist muscles at the elbow joint?please explain
1. 0 answers
2. 363 views

Pages

1
2
3
4
5
6
7
8
9
10

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025