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Questions (350)

Evaluate sqrt of (2003)(2005)(2007)(2009)+16 by using algebraic method.
1. 3 answers
2. 394 views
Five members from a group of 6 girls and 5 boys are chosen. How many five-member teams are there that include more than two
1. 1 answer
2. 487 views
Write an equation of the line that passes through (-5,-1) and is parallel to the line y=-3x+6
1. 2 answers
2. 491 views
1)The Arthur Ravenel Jr. Bridge is the longest cable-stayed bridge in the United States. The bridge has a total length of 13200
1. 3 answers
2. 828 views
In how many ways can 7 people be lined up in a row for a picture if two of them should have at least 2 people between them?
1. 1 answer
2. 968 views
Four distinct fair of dice are rolled. What is the probability that the sum of the resulting numbers is at least 23?
1. 1 answer
2. 765 views
30-second oral questionThe expression 9(2018^2)+20180+4040 is a square of what positive integer?
1. 2 answers
2. 1,152 views
The midpoint of P(1,2) and A is Q; the midpoint of P and C is S; the midpoint of Q and S is R(5,1.5). Find the coordinates of B,
1. 1 answer
2. 493 views
Jack and Jill regularly run around an 800-meter track, but Jack runs 2 m/s faster. If they start from the same point on this
1. 1 answer
2. 1,653 views
True or False.1. Every function is a relation. 2. When you switch the inputs and outputs of any function, the resulting relation
1. 1 answer
2. 1,847 views
1. -9p-17=10Will someone help me figure out the answer and show me the process?
1. 4 answers
2. 495 views
You are making cookies. One recipe calls for 4 cups of chocolate morsels for 3 batches of cookies.. A second recipe calls for 5
1. 2 answers
2. 2,105 views
An important business executive in Italy was caught speeding in northern Italy. He was testing his brand new Porsche sports car.
1. 1 answer
2. 447 views
HiPlease help me I am confused Am I a homo sapiens? or a homo sapiens sapiens? thank you so much.
1. 2 answers
2. 638 views
Describe/draw the process and steps of an electron emitting light.
1. 1 answer
2. 668 views
Given H2(g) + (1/2)O2(g) ---> H2O(l), dH = -286 kJ/mol, determine the standard enthalpy change for the reaction 2h2O(l) --->
1. 1 answer
2. 2,813 views
Write the balanced chemical reaction (showing appropriate symbols and states) for the chemical reaction with enthalpy change
1. 1 answer
2. 780 views
When .560 g of Na(s) reacts with excess F2(g) to form NaF(s), 13.8 kJ of heat is evolved at standard-state conditions. What is
1. 1 answer
2. 2,934 views
The enthalpy of formation for a substance corresponds to the enthalpy change for a reaction. Write the specific chemical
1. 1 answer
2. 737 views
A bubble sort begins with the array:372418 Work through the lists obtained at each step of the bubble sort. Complete the table
1. 0 answers
2. 584 views
my divisor is 5 I'm greater than 4 X 5 I'm less than 5 x 5 my remainder is 1 what dividend am I
1. 6 answers
2. 1,733 views
Problem:ABCDE$\ is an equilateral pentagon with side length 2 in which angle B= angle E=120 degrees. The area of ABCDE can be
1. 1 answer
2. 674 views
remember that statistics assignment of ours? pleaseee
1. 0 answers
2. 420 views
Hello are you a statistician? may I interview you? Thank you
1. 2 answers
2. 406 views
Jose the plumber charges $65 per hour to fix your plumbing. He uses the equation C=65H+100 to determine the charge of his
1. 1 answer
2. 1,671 views
The sum of two numbers is 100. Such that the first number is twice as large as the second number, when the second number is
1. 1 answer
2. 476 views
A running track consists of two straight sections with semi-circular ends. If the straight sections measure 100 metres and one
1. 1 answer
2. 3,803 views
What mass of ammonium chloride must be decomposed to prepare 134 grams of ammonia (NH3). Hydrochloric acid will also be
1. 1 answer
2. 869 views
which demographic group is correctly matched with its issue A.religious people - farm subsidiesB.midwesterners - farm subsidies
1. 1 answer
2. 1,947 views
How has popular culture reinforced Cowboys of the West?
1. 4 answers
2. 416 views
****HELP PLEASE****Given the following information, answer the following: TR=$3Q TC= $1,200 = $2Q 1. what is the break-even
1. 0 answers
2. 427 views
If there is no dark matter, in order to explain our observations, our concepts of an important buildingblock of the universe
1. 0 answers
2. 465 views
If there is no dark matter, in order to explain our observations, our concepts of an important buildingblock of the universe
1. 0 answers
2. 442 views
riposting this.the answer kindly supplied by Steve is beyond my understanding. all i want to know please is how long will the
1. 1 answer
2. 547 views
THIS IS NOTHING TO DO WITH A LADDERA fence 3m tall is erected vertically and parallel to a building that is 10m away please can
1. 1 answer
2. 647 views
a fence 2m tall and 5m from a parallel building - what length is the shadow from the fence and how is this worked out?
1. 0 answers
2. 508 views
find the sum of 2 1/2 and 2/5
1. 2 answers
2. 603 views
What was the main purpose of the settlers who established Jamestown?a.to trap animals and sell furs b.to find gold and silver
1. 10 answers
2. 2,521 views
The local health club is advertising a special for new members: no initiation fee to join and lnly $34.50 per month for the
1. 1 answer
2. 1,304 views
The time, t, required to drive a certain distance varies inversely with the speed, r. If it takes 12 hours to drive the distance
1. 1 answer
2. 671 views
What volume of 0.050 M AgNO3, silver nitrate solution is required to reat completely with 60.0 mL of 0.025 M K2S, potassium
1. 2 answers
2. 671 views
Determine whether the following regular tetrahedrons have an edge length that is a whole number, a rational number or irrational
1. 1 answer
2. 573 views
How could you use an area model to identify the binomial factors of a trinomial?
1. 1 answer
2. 505 views
How could you use an area model to identify the binomial factors of a trinomial?
1. 0 answers
2. 441 views
log2(x+8)-log2(5)=4
1. 1 answer
2. 353 views
If you have 3 cups of pineapple juice and, how many total cups of punch can you make?Table: Ginger Ale - 40% OJ 25% Pineapple
1. 11 answers
2. 5,579 views
Write a word phrase for this algebraic expression. 6.5-h
1. 2 answers
2. 946 views
Waves on a 5.0 m rope travel at a speed of 92 m/s. If the tension in the rope is 497 N, what is the mass of the rope?
1. 0 answers
2. 575 views
A dart is thrown horizontally with an initial speed of 14 m/s toward point P, the bull's-eye on a dart board. It hits at point Q
1. 1 answer
2. 1,613 views
how do I start an Auto Biography?I mean what sentence should i start it with?
1. 2 answers
2. 592 views
SID WROTE 541,309 ON HIS PAPER. USING NUMBERS AND WORDS EXPLAIN HOW THE NUMBER WOULD CHANGE IF HE SWITCHED THE DIGITS IN THE
1. 11 answers
2. 2,726 views
ACCOUNTING VS ITWHICH IS HARDER? WHICH IS EASIER?
1. 2 answers
2. 428 views
2^5/2 - 2^3/2
1. 3 answers
2. 385 views
You are standing on a fish pond wishing to catch a fish. How would you aim your fish gun in order to catch a fish which your
1. 0 answers
2. 582 views
Before the items that are complete sentences, write S. Before those that contain fragments, write F. Before a run on sentence,
1. 1 answer
2. 840 views
If I has plots of (3,2) and (8,6) how would I find the area in square units
1. 1 answer
2. 425 views
A firefighter of mass 73 kg slides down a vertical pole with an acceleration of 5 m/s2. The acceleration of gravity is 10m/s2.
1. 2 answers
2. 3,204 views
Uranium-238 is less stable than oxygen-16. What accounts for this difference?(A) Uranium is a solid, while oxygen is a gas. (B)
1. 2 answers
2. 1,400 views
Ifsin(x) = 1/3 and sec(y) = 29/21 , where x and y lie between 0 and π/2, evaluate the expression using trigonometric
1. 1 answer
2. 4,634 views
What type of clause or phrase is italicized in the sentence below?The play, a three-act farce, amused everyone.
1. 2 answers
2. 920 views
32 subjects in a study were recruited by advertisements to participate in a study of attitudes and values toward wine.What
1. 1 answer
2. 511 views
Please show me the work so i understand2. Find the reference angle of -11π/3. 5. If �θ = –18°, find the exact value of θ�
1. 1 answer
2. 640 views
Using the midpoints approach to the cross elasticity of demand-calculate the cross eleasticity the demand for golf at all 3
1. 0 answers
2. 932 views
Beth, a construction worker, attempts to pulla stake out of the ground by pulling on a rope that is attached to the stake. The
1. 2 answers
2. 1,020 views
A variable-length air column is placed just below a vibrating wire that is fixed at the both ends. The length of air column open
1. 0 answers
2. 777 views
A length of organ pipe is closed at one end.If the speed of sound is 344 m/s, what length of pipe is needed to obtain a funda-
1. 0 answers
2. 623 views
The length of a string is 344 cm. The string is held fixed at each end. The string vibrates in two sections; i.e., the string
1. 0 answers
2. 626 views
To demonstrate standing waves, one end of a string is attached to a tuning fork with frequency 120 Hz. The other end of the
1. 1 answer
2. 1,550 views
Standing-wave vibrations are set up in a crystal goblet with four nodes and four antin- odes equally spaced around the 26.3 cm
1. 0 answers
2. 448 views
The lowest A on a piano has a frequency of 27.5 Hz.Assume: The tension in the A piano wire (of length 0.51 m) is 305 N, and
1. 0 answers
2. 790 views
A harmonic wave is traveling along a rope. It is observed that the oscillator that gener- ates the wave completes 38.9 in 27.4
1. 0 answers
2. 437 views
A variable-length air column is placed just below a vibrating wire that is fixed at the both ends. The length of air column open
1. 1 answer
2. 1,859 views
A length of organ pipe is closed at one end.If the speed of sound is 344 m/s, what length of pipe is needed to obtain a funda-
1. 2 answers
2. 2,563 views
A pipe that is open at both ends has a fundamental frequency of 330 Hz when the speed of sound in air is 333 m/s.What is the
1. 2 answers
2. 2,293 views
The length of a string is 344 cm. The string is held fixed at each end. The string vibrates in two sections; i.e., the string
1. 0 answers
2. 616 views
To demonstrate standing waves, one end of a string is attached to a tuning fork with frequency 120 Hz. The other end of the
1. 1 answer
2. 1,843 views
A harmonic wave is traveling along a rope. It is observed that the oscillator that gener- ates the wave completes 38.9 in 27.4
1. 0 answers
2. 477 views
The lowest A on a piano has a frequency of 27.5 Hz.Assume: The tension in the A piano wire (of length 0.51 m) is 305 N, and
1. 0 answers
2. 618 views
Two point charges are placed along a horizontal axis with the following values and positions: +3 µC at x = 0 cm and - 12 µC at
1. 2 answers
2. 1,359 views
An ac generator supplies an rms voltage of 5.00 {\rm V} to an RL circuit. At a frequency of 21.0{\rm kHz} the rms current in the
1. 0 answers
2. 622 views
Find the volume of a rectangular solid with the following dimensions: 2√3 cm x 7√5 cm x 4√6 cm.
1. 1 answer
2. 1,212 views
How many moles of Ca(NO3)2 are needed to make 0.250 liters of a 0.200 M Calcium nitrate solution?
1. 1 answer
2. 709 views
Let f be the function given by: f(x)=1/5x^5/2+x^-1/2, for all x in [1,4]. Find the length of the graph of f.
1. 1 answer
2. 393 views
A wire is stretched from the top of a 12-foot pole to a stake in the ground and then to the base of the pole. If a total of 20
1. 2 answers
2. 1,166 views
Calculate the number of sides of a regular polygon whose interior angles are each 156 degrees.
1. 1 answer
2. 790 views
express as a single log:1/2 log x + 3 log y - 4 log x =
1. 1 answer
2. 1,034 views
1) The F2 progeny from a cross exhibits a modified dihybrid ratio of 9:7 instead of 9:3:3:1. What phenotype ratio would be
1. 0 answers
2. 652 views
A 500g block is released from rest and slides down a frictionless track that begins 2m above the horizontal. At the bottom of
1. 2 answers
2. 2,107 views
How do you go about drawing a 1/4 mile running track?
1. 1 answer
2. 407 views
Find the centroid of the region bounded by the curve sin x on the interval (0, pi) and the x-axis.Please help
1. 1 answer
2. 1,456 views
A bag contains forty coins, all of them either 2c or 5c coins. Let there be x 2c coins and y 5c coins. If the value of money in
1. 1 answer
2. 641 views
list two reasons that stereotypes creted by propaganda may gave affected the deciosion to drop the atomic bomb on japan
1. 1 answer
2. 394 views
Explain why the U.S. supported a policy of the open door?
1. 1 answer
2. 542 views
Find the equation of the parabola with axis parallel to the x-axis and passing through (3/2,1),(5,0) and (-1,2).
1. 1 answer
2. 2,339 views
Find the equation of the parabola whose axis is horizontal, vertex on the y-axis and which passes through (2,4) and (8,-2).
1. 1 answer
2. 1,730 views
If you were given an unknown solution, write the steps that would be needed to prove that a solution contained phosphate.
1. 1 answer
2. 622 views
How do you think you could increase the purity of the nitrogen gas?
1. 0 answers
2. 413 views
A projectile was fired at 35 degrees above the horizontal. At the highest point in its trajectory its speed was 200 m/s. If air
1. 0 answers
2. 1,544 views
how is the number of zeros in the quotient of 420 divided 7 = 60 related to the number of zeros in the dividend
1. 2 answers
2. 424 views
the solubility of Ag3PO4 (in water) is 6.7 x 10^-3 g/L. what is the molar solubility>
1. 1 answer
2. 815 views

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