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March
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March 1, 2011
Show that the equation x^3-15x+c=0 has at most one root in the interval [-2,2].
3 answers
asked by
bill
6,213 views
Surprisingly, very few athletes can jump more than 2.0 ft (0.62 m) straight up. Use d = 1/2 gt2 and solve for the time one
2 answers
asked by
claire
6,018 views
Question:
The height in feet above the ground of an arrow t seconds after it is shot can be modeled by y = -16t(squared) + 63t +
5 answers
asked by
Kai
4,654 views
Chris eats 3 slices of a pizza that is cut into 8 equal slices. What percentage of the pizza does he eat?
2 answers
asked by
jackie
4,093 views
The probability that a football game will go into overtime is 20%. What is the probability that two of three football games will
3 answers
asked by
Stephanie
3,570 views
Explain why the following command would create an error, and what changes could be made to fix the error.
SELECT V_CODE,
2 answers
asked by
ben
3,451 views
Determine how many milliliters of 0.102M NaOH solution is needed to neutralize 35.0mL of 0.125M H2 SO4 solution.
2 answers
asked by
jane
3,055 views
Round 10 2/3 to the nearest whole number?
11 answers
asked by
mia
2,967 views
A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys
3 answers
asked by
jackie
2,727 views
Write a balanced chemical equation for the overall cell reaction represented as:
a) Ag(s)|Ag^+(aq)||Sn^4+(aq), Sn^2+(aq)|Pt(s) b)
3 answers
asked by
Jazmin
2,597 views
write a rule for nth term:
1/10, 3/20, 5/30, 7/40,.... i think the next term is 9/50 but i don't know how i got that
1 answer
asked by
Amanda
2,565 views
The probability that a house in an urban area will develop a leak is 5%. If 82 houses are randomly selected, what is the
2 answers
asked by
megan
2,467 views
If you prepared a solution by adding 0.05mL (1drop) of 0.5M HCL to 5 x 10^7 mL of "pure" water. Calc the resultant PH. The
1 answer
asked by
Jake
2,459 views
Determine the equations of two lines that pass through the point (1, -5) and are tangent to the graph of y = x^2 - 2.
5 answers
asked by
gt
2,407 views
HELP! I need to know if I am getting the right equation for the oxidation reaction of cyclohexene and potassium permanganate?
I
1 answer
asked by
Lizzy
2,020 views
find the equation of a quadratic function whose graph is tangent at x=1 to the line whose slope8, tangent at x=-2 to solve the
2 answers
asked by
erika
1,958 views
50ml of water at 46.9 C were mixed with 50ml of water at 25.1 C in a calorimeter also at 25.1 C. The final temperature was 30.1
2 answers
asked by
venus
1,950 views
Determine the values of a and b for the
function f (x) = ax^3 + bx^2 + 3x - 2 given that f (2) = 10 and f ′(-1) = 14. Please
1 answer
asked by
ben
1,913 views
A 56 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 11 m, and falls a total of
2 answers
asked by
Kristie
1,814 views
The opposite angles of a parallelogram are congruent. The adjacent angles are supplementary. If angle X measures 110 degrees,
4 answers
asked by
Ian
1,803 views
A solution is prepared by dissolving 25.0 g of ammonium sulfate in enough water to make 100.0 mL of stock solution. A 10.0 mL
2 answers
asked by
Anonymous
1,701 views
A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently
1 answer
asked by
Jon
1,666 views
A pair of dice is cast. What is the probability that the sum of the two number landing uppermost is less than 5, if it is known
2 answers
asked by
Anonymous
1,650 views
tori wants to increase the tempreature of 500 grams of water from 20 degrees celcius to 100 degrees celecius if the specific
3 answers
asked by
nikita
1,643 views
Albert Kluyver "From elephant to...bacteria-it is all the same!" What did he mean?
2 answers
asked by
Stephanie
1,521 views
a karate chop delivers a force of 3000 N to a aboard that breaks. the force that the baord exerts on the hand during this event
2 answers
asked by
Anonymous
1,502 views
Verify if the given equations are solutions to the differential equation.
dy/dt=k(y-a) i) y=1-ae^(kt) ii) y=a+Ce^(kt)
1 answer
asked by
dyingincalc
1,457 views
I am stuck in exponential growth and decay. Here is an example. Can someone tell me how to do this step-by-step please? Here it
3 answers
asked by
Miss Trouble :)
1,434 views
gold has a specific heat of 0.130j/g. degrees celcuis if 195 joules of heat are added to 15 grans of gold homw much does the
3 answers
asked by
nikita
1,392 views
____ is the code of acceptable behaviors users should follow while on the Internet; that is, it is the conduct expected of
1 answer
asked by
greg
1,360 views
A merry-go-round is stationary. A dog is running on the ground just outside its circumference, moving with a constant angular
0 answers
asked by
Anonymous
1,348 views
A simple random sample of size n = 300 is obtained from a population whose size is and whose population size is n=20,000 ans
0 answers
asked by
jackie
1,343 views
Assignment: Currency Conversion Design
· Complete the hierarchy chart in Appendix H and the flowcharts in Appendix I, based on
5 answers
asked by
Kamari Davis
1,325 views
a sliver coin and a gold coin each have a mass of exactly 6.6 grams the specific heat of sliver is 0.235j/g.degrees celcius and
2 answers
asked by
nikita
1,319 views
a Frog is at the bottom of a 21 foot well. The frog jumps up 4 feet, and then falls back 2 feet. How many jumps will it take for
4 answers
asked by
Haley
1,313 views
If A and B are independent events, P(A) = 0.35, and P(B) = 0.55, find the probabilities
a) P(A intersected B) b) P(A united B)
1 answer
asked by
sam
1,297 views
Five percent of all items sold by a mail-order company are returned by customers for a refund. Find the probability that of two
1 answer
asked by
tim
1,287 views
I lost my paper for the Math Riddle Pizazz page 167 about solving systems of equations and I no longer have the problems. (It is
1 answer
asked by
Caroline
1,281 views
A stone is thrown vertically upward with a speed of 11.0 m/s from the edge of a cliff 80.0 m high. How much later does it reach
1 answer
asked by
cory
1,279 views
By what amount does the sum of the roots exceed the product of the roots of the equation (x-7)(x+3)=0?
I have no idea what to do!
1 answer
asked by
Mandy
1,248 views
Two automobiles of equal mass approach an intersection. One vehicle is traveling with velocity 15.5 m/s toward the east and the
1 answer
asked by
Anonymous
1,247 views
The antiderivative of arctan(4t)dt by integration of parts.
1 answer
asked by
Kate
1,245 views
100ml solution made up 1.0M NH3 and (NH4)2SO4 have been added with 100ml of 0.1 HCl. how many moles are present in the solution
0 answers
asked by
gwen
1,242 views
A door starts from rest and swings with an angular acceleration, alpha, α = 6 rad/s2, where t is in seconds. Determine the
0 answers
asked by
Anonymous
1,153 views
In a cargo plane, the center of gravity must be between the front and rear landing gears in order to maintain a torque
0 answers
asked by
hy
1,152 views
This is an outline that i have to use to find the solution of the question. It involves logarithms and half-angle formulas.I
2 answers
asked by
Anon
1,126 views
A dockworker loading crates on a ship finds that a 25 kg crate, initially at rest on a horizontal surface, requires a 84 N
0 answers
asked by
polo Q
1,126 views
why is hydrogen bonding only possible with hydrogen?
2 answers
asked by
Jackie
1,075 views
Four balls are selected at random without replacement from an urn containing three white balls and five blue balls. Find the
1 answer
asked by
Sam
1,039 views
Let A and B be events in a sample space S such that P(A) = 0.6, P(B) = 0.4, and P(A B) = 0.27. Find the probability
P(B|A)
2 answers
asked by
Anonymous
1,036 views
A 1300 kg sports car accelerates from rest to 85 km/h in 6.2 s. What is the average power delivered by the engine?
2 answers
asked by
Kathleen
1,026 views
a 180 lb person climbs a ladder to a point which is two times the radius of the earth high. how much does he weigh there?
0 answers
asked by
tam
1,009 views
according to frederick jackson tuner ,why did english ideas aboutgoverment change when brought to america
2 answers
asked by
Anonymous
1,009 views
What is the percentage of 7/8ths?
What is the decimal of 7/8ths?
3 answers
asked by
linda
1,004 views
A 67 kg hiker climbs to the top of a 3700 m-high mountain. The climb is made in 5.5 h starting at an elevation of 2800 m.
4 answers
asked by
Kristie
1,002 views
Can you check my answers. I actually have been researching this for a couple of days! Which African countries does the equator
1 answer
asked by
Reed
1,001 views
You have a 12.01 g sample of carbon. The average mass of a carbon atoms is 1.994 x 1023 g. How many carbon atoms are in the
1 answer
asked by
Sam
997 views
which preposition is most suitable
1)Mraias Zimmer ist______ Dritten Stock 2)Die Wohnung ist_____einem Hochhaus
2 answers
asked by
vera
995 views
Several friends are taking turns flying akite. Each friend flies the kite for the same amount of time.They spend 6 hours flying
6 answers
asked by
julia
993 views
Phosphoric acid reacts with zinc to produce hydrogen gas and zinc phosphate. How many grams of acid are required to produce 5.3
1 answer
asked by
Alex
984 views
'I might' a thought of that closet. Correct this sentence
2 answers
asked by
larsong
976 views
Use Trig identities to verify that sec^4(x)-tan^4(x)=1+2tan^2(x), Only work with one side of the equation
1 answer
asked by
Anonymus
959 views
Show that the equation x^3-15x+c=0 has at most one root in the interval [-2,2].
Perhaps Rolle's Theorem, Mean Value Theorem, or
1 answer
asked by
William
956 views
why is hydrogen bonding inly possible with hydrogen?
1 answer
asked by
Jackie
949 views
In Classical conditioning the response is typically_______, whereas in operant conditioning the response_______ the environment.
1 answer
asked by
Rena
949 views
can u help me get a better understanding of why freedom of speech allows a variety of pop culture media to be released.
1 answer
asked by
Kalei
948 views
what is the human life cycle
1 answer
asked by
jane
937 views
for the polynomial, list each real zero and its multiplicity. determine whether the graph crosses or touches the x-axis at each
2 answers
asked by
albert
936 views
find the equation of a quadratic function whose graph is tangent at x=1 to the line whose slope8, tangent at x=-2 to solve the
1 answer
asked by
erika
925 views
Two planes depart from the same airport at the same time. One hour later one of the planes is 480 miles due north of the airport
2 answers
asked by
Lo
923 views
What are the differences between ionic bonds and covalent bonds?
2 answers
asked by
Jackie
912 views
Anne is planning to attend college when she graduates from high school in 7 years from now. She anticipates that she will need
2 answers
asked by
sue
910 views
In the high jump, the kinetic energy of an athlete is transformed into gravitational potential energy without the aid of a pole.
0 answers
asked by
Matt
900 views
A temperature of 41 degrees F is equivalent to 278.2 degrees K, while a temperature of 86 degrees F is equivalent to 303.2
0 answers
asked by
bianca
892 views
A uniform door (0.81 m wide and 2.1 m high) weighs 150 N and is hung on two hinges that fasten the long left side of the door to
1 answer
asked by
lina
891 views
A 1550 kg automobile has a wheel base (the distance between the axles) of 3.00 m. The center of mass of the automobile is on the
0 answers
asked by
Skye
886 views
using the vertical motion model h=-16t + vt + s
You and a frine are playing basketball. you can jump with an initial velocity of
1 answer
asked by
Florence
884 views
A ball rebounds 7/8ths as high as it bounced on the previous bounce and is dropped from a height of 8 feet. How high does it
1 answer
asked by
Kimberly
882 views
Confused on permutation or combination on this question:
A VISA credit card has a first digit of 4 followed by 15 other digits.
2 answers
asked by
marco
881 views
For the sequence, describe the pattern, write the next term, and write a rule for the nth term.
2/3,4/4,6/5,8/6,...
1 answer
asked by
Pedro
869 views
I'm really bad at these, can someone help me PLEASE?
1. Name the property shown by the statement: 9x + 0 = 9x a. Commutative
3 answers
asked by
Cheryl
864 views
An object falling under the pull of gravity is acted upon by a frictional force of air resistance. The magnitude of this force
1 answer
asked by
polo Q
860 views
Show that the equation x^3-15x+c=0 has at most one root in the interval [-2,2].
Perhaps Rolle's Theorem, Mean Value Theorem, or
1 answer
asked by
William
851 views
A bullet of mass 3.2 g strikes a ballistic pendulum of mass 3.6 kg. The center of mass of the pendulum rises a vertical distance
1 answer
asked by
RD
847 views
A 1.04L sample of gas at 759 mm Hg pressure is expanded until its volume is 2.24L. what is the pressure in the expanded gas
1 answer
asked by
naseeb
846 views
Find, to the nearest tenth of a centimeter, the length of a diagonal of a square if the measure of one side is 8.0 centimeters.
3 answers
asked by
Timothy
844 views
I need help with the DQ 2
week 2. Could someone help me please?
1 answer
asked by
Ashley
843 views
there are 80 students in a math class.20% of the students in the class scored above 50 marks in the test. what is the average of
1 answer
asked by
chisom
842 views
At a time when mining asteroids has become feasible, astronauts have connected a line between their 3740-kg space tug and a
1 answer
asked by
lizz
836 views
how do would I round 4.3215 to the nearest thousand.
2 answers
asked by
sadie
830 views
Basic Geometry
1. Find the perimeter of a rectangle 19 cm long by 27.8 cm wide. 2. In triangle ABC, angle A = 47°, and angle B =
1 answer
asked by
shirley
808 views
If an 80-kg sprinter can accelerate from a standing start to a speed of 10 m/s in 3 s, what average power is generated?
1 answer
asked by
Cher
805 views
Jose, whose mass is 75 kg, has just completed his first bungee jump and is now bouncing up and down at the end of the cord. His
0 answers
asked by
Colin
805 views
Show that the equation x^3-15x+c=0 has at most one root in the interval [-2,2].
1 answer
asked by
Anonymous
797 views
triangles ABC and XYZ are congruent. Angle A is one half the size of angle B. Angle Y is 90 degrees. Angle C and angle Z are
1 answer
asked by
Nana
779 views
The general trend of American's attitudes toward the unmarried had been from an attitude of _________ in the 1950s to and
2 answers
asked by
ashley
777 views
Are these examples of elastic/inelastic supply products correct?
Plane tickets: A plane ticket is an example of inelastic supply.
1 answer
asked by
David
776 views
Bradley, working in his 23 C kitchen, is cooking himself a crepe in an iron skillet that has a circular bottom with a diameter
1 answer
asked by
Kendra
766 views
Write a balanced chemical equation for the overall cell reaction represented as:
a) Ag(s)|Ag^+(aq)||Sn^4+(aq), Sn^2+(aq)|Pt(s) b)
0 answers
asked by
Jazmin
764 views
The general trend of American's attitudes toward the unmarried has been from an attitude of _____ in the 1950s to an attitude of
1 answer
asked by
ashley
761 views
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