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mel

Questions and answers by mel, page 2

Questions (247)

A two-tailed hypothesis test at the 5 percent level of significance (£\ = .05) is exactly equivalent to asking whether the 95
1. 2 answers
2. 821 views
a rock on earth has a mass of 250kg.what is its mass and weight on the moon?
1. 3 answers
2. 1,218 views
Two sides of a triangle measure 4 inches and 9 inches. Determine which cannot be the perimeter of the triangle. A.19 inches,
1. 1 answer
2. 633 views
in need of help..;(.my question isfind the vertex..y=x(x+7)
1. 1 answer
2. 254 views
4(x+3)-2(2)=1.5x+25.5
1. 3 answers
2. 271 views
what were the reasons our forefathers divided the government into three branches?
1. 1 answer
2. 378 views
In a visit to the nation's capital, a foreign head of state travels from (−3.0, −4.0) km to (4.0, 7.0) km. She then travels
1. 1 answer
2. 416 views
From 3, 7, 9, 11, 14, 19, 23, 28, 30, 35; which has ones digit 4 times greater than its tens digit?
1. 1 answer
2. 291 views
how to solve log10(1.4 x 10-5)
1. 2 answers
2. 641 views
log10(1.4 x 10-5)
1. 3 answers
2. 364 views
trink Sie(is it correct)
1. 4 answers
2. 359 views
what is log0.033-log(3.3*10^-2)
1. 1 answer
2. 428 views
diffence between dipole interactions and vanderwaal forces
1. 1 answer
2. 318 views
1. _______ (on sundays), mes parents _______(aller) musee.2. _______ (on Fridays) , ma mere _______ (aller) Banque
1. 5 answers
2. 648 views
I am to list at least 5 of the events or major concepts found in each of the 3 historic periods of personality psychology.
1. 2 answers
2. 1,199 views
prove as an identity1/1+sin(x) + 1/1-sin(x)
1. 4 answers
2. 328 views
Hi! I've been having trouble doing my world history assignment.. if anyone can help; here are the instructions..This assignment
1. 7 answers
2. 621 views
Hi! Can anyone help me with this assignment...?Using the primary source documents and information from your chapter, form a
1. 7 answers
2. 634 views
My assignment:Imagine that Sita, Mahavira, Siddhartha Gautama, Confucius, and Laozi were all invited to dinner at the home of
1. 3 answers
2. 536 views
what were the features of the compromise of 1860? i cant seem to find the answer anywhere
1. 2 answers
2. 538 views
The wilmot proviso was a bill that would ban slavery in territories gotten after the war with mexico - True or false? True?
1. 2 answers
2. 715 views
What exactly is this assignment asking me to do? lol i don't get the "dig" part. i actually don't understand anything.----------
1. 5 answers
2. 607 views
Why do modern people glorify the ancient world??
1. 4 answers
2. 480 views
What is it about Greco-Roman culture that creates positive feelings in people?
1. 1 answer
2. 421 views
What is it about Greco-Roman culture that creates positive feelings in people???
1. 2 answers
2. 1,015 views
What is it about Greco-Roman culture that creates positive feelings in people?
1. 1 answer
2. 415 views
Write a series of five journal entries from the point of view of a member of a tribe that has been conquered by the Incas. Make
1. 7 answers
2. 548 views
Why did legalist, artist on legalist rule rule, confucian's, and mauryan's might have held such different views about
1. 1 answer
2. 322 views
The Mongols have a terrible reputation in history as pillagers who destroyed all that met their path. How does this depiction of
1. 4 answers
2. 962 views
if you walk for 46 minutes at a speed of0.91 meters per second, how far will you have traveled? convert to km
1. 1 answer
2. 376 views
if two lightning bolts hit exactly the same place, act exactly the same time in one frame of reference, is it possible that
1. 2 answers
2. 916 views
is this primary source ?The Black Death A Description of the Plague This first account is from Messina, and it described the
1. 6 answers
2. 1,193 views
Six hundred pennies are placed in a row. If every other penny is replaced by a nickel and every third coin is replaced by a
1. 4 answers
2. 993 views
a car enters 15 miles north of a city. it travels due north at an average speed of 62.5 miles per hour. write an equation to
1. 2 answers
2. 592 views
Last year Delta airlines purchased and stored 1 million gallons of aviation fuel at a time when aviation fuel was selling for
1. 1 answer
2. 442 views
Y+3/2Y-5=6/7
1. 1 answer
2. 195 views
What multiplication fact can be found by using the arrays for 2 x 9 and 5 x 9?
1. 3 answers
2. 414 views
How many photons of sunlight are striking a 1 square meter surface per second, if it is receiving 600 watts of power?
1. 1 answer
2. 384 views
What is the energy per photon of a light source if it has a wavelength of 460 nm?
1. 2 answers
2. 947 views
What is the speed of a photon of red light, if its frequency is 4.3 x 1014 Hz?
1. 1 answer
2. 425 views
What is the frequency of a photon of blue light, if it has a wavelength of 440 nm?
1. 3 answers
2. 779 views
What is the frequency of a photon of blue light, if it has a wavelength of 440 nm?
1. 3 answers
2. 1,644 views
If the light of a monochromatic source has a photon energy of 4.32 x 10-19 J, what is its wavelength in nm?
1. 1 answer
2. 401 views
I balancedLi(s) + Cl2(g)= LiCl(s) to 2Li(s) + Cl2(g)= 2LiCl(s) Now the question is, if you have 39.8g Li, how many moles of LiCl
1. 3 answers
2. 886 views
I need some help. I have tried working this problem and can't get it.A scale model of the solar system is being constructed
1. 3 answers
2. 559 views
I need some help. I have tried working this problem and can't get it.A class is building a scale model of the planets based on
1. 2 answers
2. 494 views
I need some help. I have tried working this problem and can't get it.What is the mass of the Sun, in kilograms, based on the
1. 1 answer
2. 376 views
Trying to figure this out and can't:The elevation of a streambed is surveyed near a bridge to be 2,367m. At another bridge
1. 1 answer
2. 335 views
Can't figure this out, HELP!:What is the velocity (v) of a stream with a discharge (Q) of 8.53 x 10^3 m 3/s and a
1. 1 answer
2. 1,020 views
Please help me with this. I just don't get it.The average rate of chemical weathering of carbonate rock in an urban area is 2.1
1. 1 answer
2. 1,006 views
Could use some help. I don't get this:The maintenance department of a botanical garden is monitoring the displacement of statues
1. 1 answer
2. 381 views
Mountains produced by tensional stress, like the Teton Range in Wyoming, are called
1. 5 answers
2. 1,042 views
The first-order rate constant for photodissociation of A is 5.97 1/h. Calculate the time needed for the concentration of A to
1. 7 answers
2. 1,074 views
If you were to use the substitution method to solve the following system, choose the new equation after the expression
1. 2 answers
2. 1,170 views
Mr johnson is admitted to the hospital with chest and epigastic pain. he is evaluated by er department doctor with a diagnosis
1. 1 answer
2. 466 views
A pitcher throws a baseball horizontally from the mound to home plate. The ball falls 0.955 m (3.13 ft) by the time it reaches
1. 2 answers
2. 959 views
A shell is fired from the ground with an initial speed of 1.58 103 m/s at an initial angle of 31° to the horizontal.(a)
1. 4 answers
2. 860 views
which three of the most important sociological thinkers and use those ideas to explain the Senge, Hawken et al, and Kemmis
1. 1 answer
2. 1,154 views
jerrys planning a road trip. the scale on the map is 1 in = 150 miles. jerry has to go 8.3 in what is the distance jerry has to
1. 1 answer
2. 335 views
there are 3 boys for every 4 girls.how many are boys in a class of 42?
1. 3 answers
2. 957 views
If you have a class of 45 students and 15 are boys what is the percentage of boys in the class
1. 4 answers
2. 355 views
You have the following stock solutions and solid chemicals in your lab:1.5M NaCL 0.2M Tris buffer, pH 8.0 10 mg/ml Bovine serum
1. 2 answers
2. 525 views
I am having a hard time on the ACT with the math have bought several books trying to learn the math and need some help please
1. 1 answer
2. 453 views
A standard basketball has a diameter of 9 9/16 inches (that is 9 inches and 9/16 of an inch). What is the volume of air in the
1. 1 answer
2. 384 views
3. Assume you have a fire truck that has a tank that is 60” X 70” X 57”.A. How many gallons of water will it hold?
1. 1 answer
2. 269 views
journalizing payroll transactions, for Keller Systems;Inc, paid cash for april's payroll tax liability. withheld taxes from
1. 1 answer
2. 637 views
help with journalizing payroll transactions and filling on the cash payments journal, may 15, paid cash for april's payroll tax
1. 1 answer
2. 515 views
help with journalizing payroll transactions and filling on the cash payments journal, may 15, paid cash for april's payroll tax
1. 2 answers
2. 1,083 views
Calculate and interpret a 95% confidence interval for the mean bp in the pop of ALL anabolic-steroid using athletes:random
1. 1 answer
2. 407 views
I am conducting a study on support of ban on smartphones in class. 68/87 said yes to the ban. How large of a sample is needed to
1. 1 answer
2. 360 views
conduct a study on support of ban on smartphones in class. 68/87 said yes. How large of a sample is needed to be sure the margin
1. 1 answer
2. 328 views
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's
1. 2 answers
2. 623 views
the coefficient of volume expansion for iron is 3.6 X 10^-5/C degrees. If a 17 m long rod of iron is cooled from 100 degrees C
1. 2 answers
2. 653 views
A student finds the value of square root of 3 on a calculator and says that this is the exact value of square root of 3 . How do
1. 1 answer
2. 377 views
It is found that an average volume of 24.25 ml of approximately 0.1 M NaOH is required to reach an endpoint in a titration with
1. 2 answers
2. 568 views
If 2.29 mL of a stock solution of acetic acid with a concentration of 0.723 M is mixed with 15.75 mL of water, what is the
1. 2 answers
2. 529 views
The midpoint of uv is (5 -11). The coordinates of one endpoint are u(3,5). Find the coordinates of endpoint of v.
1. 1 answer
2. 450 views
The television coverage of the World Series showed several remarkable slow-motion views of the deflection of the bat as it hit
1. 3 answers
2. 646 views
A small garden measures 14 ft by 6 ft. A uniform border around the garden increases the total area to 209 ft2. What is the width
1. 2 answers
2. 827 views
simplify by removing factors of 1: 2p^2+10p+12/4p^2-4p-48
1. 1 answer
2. 378 views
Using pseudocode or a flowchart write a program that does the following:Allow the end user to enter the category the ad will
1. 2 answers
2. 537 views
How can i prepare a 100ml, 0.1M phosphate buffer solution (pH = 7) out of Na2HPO4 and NaH2PO4
1. 1 answer
2. 762 views
Using pseudocode or a flowchart write a program that does the following:Design the logic for the game Hangman, in which the user
1. 3 answers
2. 1,171 views
Explain why we might be concerned about the potential for the misrepresentation of costs.
1. 1 answer
2. 355 views
If f(x)=x+7 and g(x)=1/x-13, what is the domain of (f x g)(x)?Please explain.
1. 2 answers
2. 1,143 views
When 100 students at UCF were given a calculus problem that required the use ofintegration by parts, 95 were able to solve it.
1. 2 answers
2. 577 views
I need help. I am so so lost and need the answers and step by step if possible. I have tried everything but I think I'm just..
1. 2 answers
2. 602 views
(use the law of sines)Solve triangle ABC if a=19, b=16, m<A=61
1. 2 answers
2. 809 views
How do i calculate if a function is linear or identical
1. 1 answer
2. 237 views
A car starts from rest and reaches a speed of 8.4 m/s in 5.9 seconds. What is its acceleration?
1. 7 answers
2. 887 views
On a map, the distance from Falls City, Texas, to Pleasanton, Texas, measures 2 centimeters. The scale of the map shows that 1
1. 2 answers
2. 498 views
kayleens family traveling traveling to the family reunion Buy a car they traveled 520 miles the first day and 380 miles the
1. 1 answer
2. 229 views
A piece of unknown metal with mass 68.6 g is heated to an initial temperature of 100 °C and dropped into 8.4 g of water (with
1. 1 answer
2. 102 views
Sketch the point A (-2, 1) on the coordinate plane.Reflect the point over the y-axis. Reflect the point over the y-axis. The new
1. 1 answer
2. 115 views
If sinx+cosx= 1/(2^(1/2)) , then which of the following is true(A) x can be in Quadrant I (B) x must be in Quadrant II or IV (C)
1. 1 answer
2. 108 views
A car drives 150 m on a road that is inclined 12° to the horizontal. The car weighs 11 000 N. Thus, gravity acts straight down
1. 1 answer
2. 112 views
Why did the pope call for a crusade?• to establish trading empires in the Middle East • to free Jerusalem from the Turks •
1. 1 answer
2. 33 views
creation of a mostly Christian kingdom there, as well as the establshment of the new Christian kingdom ot
1. 1 answer
2. 19 views
What is xylem?• tube-like structures that move water through nonvascular plants • tube-like structures that move water
1. 1 answer
2. 25 views
Which component is found in both vascular and nonvascular plants?
1. 1 answer
2. 33 views

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