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Questions Asked on February 9, 2015

1) what is the simplified form of (x-2)(2x+3)? Use the distributive property.A) 2x^2-x-6 B) 2x^2-6 C)2x^2-7x-6 D) 2x^2 +x-6****
1. 43 answers
2. asked by Tris
3. 29,377 views
the process in which an animal's cells use oxygen and digested food molecules to release the energy in food is called1.
1. 107 answers
2. asked by Anonymous
3. 11,447 views
If a and b are positive numbers, find the maximum value of f(x)=x^a(1−x)^b, 0≤x≤1Your answer may depend on a and b.
1. 1 answer
2. asked by Dee
3. 6,866 views
If someone could help me with this question, that would really help. I'm just not sure what the formula would be?Suppose a
1. 3 answers
2. asked by phoebe
3. 4,535 views
1. Find the molality of the solution prepared by dissolving 0.238g toluene, C7H8, in 15.8g cyclohexane2. A pure sample of the
1. 5 answers
2. asked by kales
3. 4,228 views
please check my answers?Your client wants his dining room to be a cozy, dark, nighttime room where he can entertain just one or
1. 1 answer
2. asked by lila
3. 4,203 views
A quantity T is partly constant and partly varies as the square root of s.a) Using constant a and b, write down an equation
1. 5 answers
2. asked by kudu
3. 3,896 views
if you were to sketch a circle graph for a data. what fraction of the circle would represent food and the food $450
1. 16 answers
2. asked by leana
3. 3,377 views
On the surface, "The Road Not Taken" is about a walk in the woods. What is the meaning of the poem on a deeper level.A. It is
1. 6 answers
2. asked by Calie
3. 3,338 views
Graph the function f(x)=x+4/xGraph the secant line that passes through the points (1,5) and (8,8.5) on the same set of axes Find
1. 1 answer
2. asked by Bob
3. 2,873 views
a rectangular block has a square base of area 49cm square its height is 10 cm find its total surface area
1. 2 answers
2. asked by shehzad
3. 2,830 views
1. Estne in Campania?a. where is Campania? b. he is in Campania, isn't he? c. he is not in Campania, is he? d. Is he in
1. 2 answers
2. asked by Jen
3. 2,829 views
The second ionization energy of He is almost exactly four times the ionization energy of H, and the third ionization energy of
1. 1 answer
2. asked by Dylan
3. 2,631 views
The atmospheric pressure P in pounds per square inch (psi) is given byP = 14.7 e−0.21 a where a is the altitude above sea
1. 1 answer
2. asked by rita
3. 2,629 views
1.How does the amazon region best support the people of Brazil?a.by serving as a main artery of transportation b.by supplying
1. 27 answers
2. asked by Anonymous
3. 2,468 views
The third and fifth term of an arithmetic progression are 10 and-10 respectively.a)Determine the first and the common difference
1. 2 answers
2. asked by kudu
3. 2,305 views
A 4-kg block is connected by means of a massless rope to a 2-kg block. What is the magnitude of the acceleration if the
1. 1 answer
2. asked by Anonymous
3. 2,256 views
Find all the solutions of the equation in the interval {o,2pi)sec^2x+tanx=1
1. 1 answer
2. asked by Tonya
3. 2,223 views
At 2:00pm a car's speedometer reads 60mph, and at 2:10pm it reads 65mph. Use the Mean Value Theorem to find an acceleration the
1. 2 answers
2. asked by Dee
3. 2,216 views
You work at a garden store for the summer. You lift a bag of fertilizer with a force of 122 N, and it moves upward with an
1. 1 answer
2. asked by Eva
3. 2,099 views
At 500 K in the presence of a copper surface, ethanol decomposesaccording to the following equation.C2H5OH(g) CH3CHO(g) + H2(g)
1. 1 answer
2. asked by mathew
3. 2,043 views
is this an open or closed system?baking soda reacting with vinegar
1. 2 answers
2. asked by sammy
3. 1,881 views
Which is the best restatement of these lines from "The Road Not Taken"?And sorry I could not travel both And be one
1. 8 answers
2. asked by Calie
3. 1,854 views
Leena bakes a loaf of bread. She eats 1/8 of the loaf and gives 1/6 of it to each of her 3 friends. What fraction of the loaf of
1. 2 answers
2. asked by Sophia
3. 1,760 views
Describe the shapes in this painting. Are the shapes organic or geometric? Which ones? Describe how the shapes interact, or
1. 4 answers
2. asked by abdulkadir
3. 1,748 views
What does the "larger dome" refer to in Today by Billy Collins?If ever there were a spring day so perfect, so uplifted by a warm
1. 4 answers
2. asked by Anonymous
3. 1,684 views
A sled at rest is suddenly pulled in three horizontal directions at the same time, but it does not move. Paul pulls to the
1. 1 answer
2. asked by Sadarhri
3. 1,601 views
If y is directly proportional tox and y = 65 when x = 33, find y if x = 44 . (Round off your answer to the nearest hundredth.)
1. 1 answer
2. asked by Lisa
3. 1,550 views
Calculate the energy of a photon of wavelength 3.1 µm with that of wavelength 0.166 nm.What I Got: 3.1 µm photon: 6.36x10^22j
1. 2 answers
2. asked by alex
3. 1,504 views
A 0.60 kg object with an initial velocity of 3.0 m/s in the positive x direction is acted on by a force in the direction of
1. 2 answers
2. asked by Anonymous
3. 1,503 views
A solution contains naphthalene (C10H8) dissolved in hexane (C6H14) at a concentration of 11.39{\rm \\%} naphthalene by mass.
1. 2 answers
2. asked by kales
3. 1,483 views
When going up stairs does a person who has more mass do more work and exert more power?
1. 1 answer
2. asked by Taylor
3. 1,470 views
From an airplane at an altitude of 1200,the angle of depression to a rock on the ground measure 28 degrees find the horizontal
1. 3 answers
2. asked by ella
3. 1,460 views
What is 7/8-5/6 in simplest form?Please explain how to get your answer.
1. 3 answers
2. asked by Nadia
3. 1,450 views
A 10-kg block is pushed against a vertical wall by a horizontal force of 100 N. What is the coefficient of static friction
1. 1 answer
2. asked by Anonymous
3. 1,402 views
Q. Lincoln valley elementary held its annul skating party and 3 fourths of the 400 students came. Of the students who came,1
1. 4 answers
2. asked by Destinee
3. 1,341 views
1. At a basketball game, the ratio of the number of freshmen who attended to the number of juniors who attended was 3 to 4. The
1. 1 answer
2. asked by Bethany
3. 1,336 views
A and B are twos 360 km apart. An express bus departs from A at 8 a.m. and maintains an average speed of 90 km/h between A and
1. 2 answers
2. asked by king
3. 1,282 views
TWO roads diverged in a yellow wood,And sorry I could not travel both And be one traveler, long I stood And looked down one as
1. 5 answers
2. asked by Calie
3. 1,265 views
The first term of a geometric sequencf is 3 and the sum of the second and the third term is 60.determine the first three terms
1. 2 answers
2. asked by Snontia
3. 1,246 views
A basketball player makes 80% of her free throws. Recently during a very close game, she shot 5 free throws near the end of the
1. 0 answers
2. asked by Maddie
3. 1,219 views
A marathon race is 26.22 miles. How many kilometers do the runners run?
1. 1 answer
2. asked by kelly
3. 1,218 views
A box in the shape of a rectangular prism has a dimension of 30 meters x 27 meters x 28 meters. What is the surface area of the
1. 3 answers
2. asked by sam
3. 1,214 views
How many joules of energy are released when 45.0g of water cools from 18.0C to 70.0C? Specific heat of water is 4.184J/gC.
1. 2 answers
2. asked by Mary
3. 1,203 views
A stock that sold for $17per share at the beginning of the year was selling for$96 at the end of the year. If the stock paid
1. 1 answer
2. asked by mako
3. 1,172 views
In a game against the White Sox, baseball pitcher Nolan Ryan threw a pitch measured at 44.8 m/s. If it was 18.4 m from Nolan's
1. 2 answers
2. asked by Ava
3. 1,154 views
By applying Rolle's theorem, check whether it is possible that the function f(x)=x^5+x−5 has two real roots.Answer: (input
1. 1 answer
2. asked by Sarah
3. 1,141 views
Where is the erie canal located?A- New york B- New Jersey C-Maryland D- Maine Cities grew along railroads and canals because A-
1. 2 answers
2. asked by Katie
3. 1,125 views
At the first meeting of the chess club, the 10 members decided that everyone in the club should play everyone else one time to
1. 1 answer
2. asked by sandra
3. 1,050 views
Find the ratios of the perimeters and areas of the pairs of two regular pentagons with corresponding sides that measure 48cm and
1. 1 answer
2. asked by rhianne
3. 1,019 views
Diverged(branched off)In which sentence is diverged used correctly? A. Where the two roads diverged into one road, the traffic
1. 4 answers
2. asked by Calie
3. 1,017 views
A rope is attached from a truck to a 1403 kg car. The rope will break if the tension is greater than 2375 N. Neglecting
1. 0 answers
2. asked by Eva
3. 980 views
What's the importance of the simile: "We can't let them kill us like that, like cattle in the slaughterhouse" in Night by Elie
1. 1 answer
2. asked by Laruen
3. 972 views
In "The Road Not Taken" when Frost says two roads"....that morning equally lay/ in leaves no step had trodden black," he means
1. 2 answers
2. asked by Calie
3. 969 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. asked by Danny
3. 962 views
a researcher weighs each individual in a sample of 25 laboratory rats and calculates the average weight for the group. the
1. 1 answer
2. asked by Anonymous
3. 957 views
How many moles of H2S would we expect to be formed by reaction if 3.50 moles of HNO3 reacted completely?
1. 1 answer
2. asked by wendy
3. 953 views
A cylinder container of radius 15 cm has some water in it. When a solid submerged into the water, the water level rises 1.2 cm.(
1. 1 answer
2. asked by kudu
3. 940 views
1. The ratio of the number of dimes to the number of pennies in a purse is 3 to 4. If 3 pennies are taken out of the purse, the
1. 1 answer
2. asked by Wendy
3. 935 views
solve each equation. check for extraneous solution.sqrt(3x+4)-sqrt(2x-7)=3 please show work!!!!!
1. 2 answers
2. asked by maria
3. 909 views
I am in a car and travel for 12 minutes. Below are the speeds in mph, recorded every two minutes. Use trapezoids, right-bound
1. 2 answers
2. asked by Anonymous
3. 905 views
A point is directly below a window. Another point B is 15 m from A and at the same horizontal level. From B angle elevation of
1. 3 answers
2. asked by kudu
3. 890 views
if the number of ____ in an atom is changed, it is no longer the same element.a)proton b)neutron c)electron I'm thinking it's A,
1. 1 answer
2. asked by Macy
3. 877 views
A tennis ball (mass 57.0 g) moves toward the player's racquet at 46.4 m/s. It is in contact with the racquet for 3.60 ms, after
1. 1 answer
2. asked by Ava
3. 867 views
Officials whose jobs are not provided for in the constitution but are required by law are known as____a constitutional officers
1. 6 answers
2. asked by BUBBLES
3. 843 views
an arrangement of four disks are suspended by cords. The longer, top cord loops over a frictionless pulley and pulls with a
1. 0 answers
2. asked by Anonymous
3. 836 views
A wheel starts from rest and rotates withconstant angular acceleration to an angular speed of 9.3 rad/s in 1.39 s. Find the
1. 1 answer
2. asked by Johnny
3. 834 views
A bumblebee flies with a ground speed of 15.2 m/s. Calculate its speed in miles per hour.
1. 1 answer
2. asked by Aerial
3. 828 views
Draw a right -handed rectangular reference frame with axes ranges x = -5 to +5, y = -5 to +10 , z = -5 to +5. Sketch the
1. 1 answer
2. asked by gale gale
3. 825 views
Solve the equation cos (3θ +120°) = √(3 /2 for 0° ≤ θ≤ 180°
1. 1 answer
2. asked by dbo
3. 809 views
How fast do you need to swing a 180-g ball at the end of a string in a horizontal circle of 0.6-m radius so that the string
1. 1 answer
2. asked by Nathan
3. 809 views
i need help with a reason for the season science lab of how earth orbits sun
1. 3 answers
2. asked by selina
3. 808 views
Why are some of these scalars and others are vectors? What's the difference and how can you tell?1. a dot (b x c) 2. (a dot b) x
1. 1 answer
2. asked by annonymous
3. 804 views
Hi, I need help on this as soon as possible. Thank you.1. Which of the following events, characters, or objects can be said to
1. 9 answers
2. asked by Tia
3. 801 views
Lori has 14.25 cups of cupcake batter. If each cupcake uses 0.75 cups of batter. How many cupcakes can Lori make?
1. 4 answers
2. asked by Amy
3. 782 views
a 1.32g sample on unknown containing KHP as a component was titrated with 22.48mL of 0.105 M NaOH to a pheolphthalein end point.
1. 1 answer
2. asked by Anonymous
3. 779 views
A stone with a mass of 6kg is thrown vertically upwards from the top of a building 35m high with a starting velocity of 20m/s.
1. 1 answer
2. asked by mpume
3. 768 views
A roll of wire is 8m 9cm long. If i cut it off into 9 pieces of equal length, what will be the length of each piece?
1. 1 answer
2. asked by Sivesh
3. 768 views
a basketball player tries to make a half court jumpshot releasing the ball at the height of the basket assuming the ball is
1. 1 answer
2. asked by Anonymous
3. 768 views
If possible, solve the following linear systems by Cramer's rule.2x1 + 4x2 + 6x3 = 14 x1 + 2x3 = 0 2x1 + 3x2 − x3 = 30
1. 1 answer
2. asked by hannah
3. 729 views
Suppose that the perimeter of a rectangle is 48 ft and the length is thrice the width. What are the idmensions of this rectangle
1. 2 answers
2. asked by keisha
3. 723 views
A box of books weighing 349 N moves witha constant velocity across the floor when it is pushed with a force of 434 N exerted
1. 0 answers
2. asked by Erin
3. 720 views
Tuition of $1762 will be due when the spring term begins in 8 months. What amount should a student deposit today, at 5.47%, to
1. 1 answer
2. asked by mako
3. 717 views
A team has won 60 percent of the games it has played so far. If the team wins the 15 remaining games in the season, it will have
1. 1 answer
2. asked by Lily
3. 705 views
Ms. Hardin invested $60,000 in three stocks. The first year, stock A paid 7% dividends and increased 4% in value; stock B paid
1. 1 answer
2. asked by Hali
3. 701 views
The radius of circle is given as 2.8 cm to 2 significant figure(a) If C is the circumference of the circle, determine the limits
1. 0 answers
2. asked by John
3. 701 views
if two identical squares have a total area of 18x^2+36x+18, find the length of one side of one of the squares
1. 1 answer
2. asked by Anonymous
3. 700 views
Integrated Math 1. The Overland Trail: Traveling at a constant Rate. Who will make it? Need help graphing 3 sets of data on one
1. 0 answers
2. asked by John
3. 699 views
simplify each expression. rationalize all denominators. assume that all variables are positive(1-sqrt(3x))/(sqrt(6x)) Please
1. 1 answer
2. asked by maria
3. 690 views
is (u dot v)dot (a dot c) a scalar quantity or vector quantity?What's the difference? (I'm thinking scalar since it has no
1. 3 answers
2. asked by annonymous
3. 686 views
I need help with these problems, I cannot find a similar example to help me in the book:1. Find lim x->infinity (e^(-2x) + sin
1. 1 answer
2. asked by Amber
3. 678 views
A lamp that normally sells for $35 is on sale for 35% off. How much will the lamp cost after a 8% sales tax?
1. 1 answer
2. asked by Lauren
3. 675 views
Ce que or ce qui?1. _______ est evident pour tout le monde, c'est la raison de cette manifestation. 2. _________ le gouvernement
1. 3 answers
2. asked by rose
3. 675 views
solve the following system of linear equation by matrix method:-12p+4q+17r+11s=5 14p+8q+9r+4s=8 3p+7q+2r+5s=12 5p+12q+9r+7s=7
1. 2 answers
2. asked by saloni
3. 663 views
I have to write a poem or a story for my English class. Do you have any ideas?
1. 6 answers
2. asked by Ben
3. 659 views
A body of mass 11kg falls freely from rest from a height of 15m above the ground. 3m above the ground it breaks through a thin
1. 1 answer
2. asked by gale gale
3. 650 views
Calculate the energy of a photon of green light with a frequency of 5.96 ✕ 10^14 s−1I keep getting 3.88e-21, but the quiz
1. 1 answer
2. asked by james
3. 642 views
For John Dewey, open-minded inquiry is: (Points : 1)The virtue that prevents habit from making us unwilling to hear other ideas
1. 1 answer
2. asked by sam
3. 633 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. asked by Danny
3. 628 views
Find cotangent theta given that cosecant theta equals -3.5891420 and theta is in the third quadrant.I was using the trig
1. 1 answer
2. asked by Maddy
3. 627 views

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