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Questions (155)

The half-life of oxygen-15 is 124 s. If a sample of oxygen-15 has an activity of 4000. Bq, how many minutes will elapse before
1. 1 answer
2. 88 views
385 +64
1. 4 answers
2. 403 views
A circular walking track has a radius of 150 yards. Margaret walked 2/3 of the distance before taking a break.?Would the path
1. 2 answers
2. 548 views
In the diagram below, line segment EH intersects line segment FJ at point G. Based on the angle measure in the diagram, what is
1. 3 answers
2. 1,500 views
It is the same distance from second base to first base, and from second base to third base. The angle formed by first base,
1. 10 answers
2. 6,914 views
Is one flag a translation image of the other, or rotation image? Explain.is is translation?
1. 3 answers
2. 2,252 views
Find the image vertices for a dilation with center (0 0) and a scale factor of 4(-3,1)x4=-12,4 (-1,4)x4=5,6 (2,3)x4=9,2
1. 30 answers
2. 15,986 views
Complete the two-column proof.Given: <2 ≅ <4, M<2=110° Proof: m<3 = 70° m∠2 = m∠4 Definition of congruent angles m∠4 =
1. 3 answers
2. 1,934 views
Part I of "Alone" can best be identified as an example of aa) ballad. b) sonnet. c) lyric poem. d) narrative. All of the
1. 13 answers
2. 7,115 views
What does the author achieve by mixing exact and approximate numbers in "A Contribution to Statistics?"can someone explain what
1. 10 answers
2. 3,484 views
What does the author achieve by mixing exact and approximate numbers in "A Contribution to Statistics?"
1. 24 answers
2. 5,656 views
Prompt A: Compare and contrast the topics and themes of writers from the Americas and European writers. Include specific
1. 7 answers
2. 4,934 views
9x+5y=912x+8y=12.8
1. 1 answer
2. 391 views
a geneticist is studying a pedigree that shows the family history of a recessive genetic diease. which of the following
1. 2 answers
2. 738 views
A subversive is someone who is trying to overthrow or undermine a government or political system from within. With this in mind,
1. 30 answers
2. 2,723 views
House Minority WhipHow does this person assist with passing laws? How does this person prevent a law from being passed? What
1. 1 answer
2. 488 views
What are the major differences between dilation and translation in geometry?
1. 2 answers
2. 1,563 views
Given line AB, explain how to contruct a square with sides of length AB.
1. 12 answers
2. 10,509 views
Given RS || TU, m∠7 = (3x - 10), and m∠3 = (2x + 5)what is m∠1 I don´t know how to solve this. There´s a pic but i
1. 2 answers
2. 952 views
Do you think a totalitarian form of government would have formed in Germany if the Great Depression had not occurred? Explain
1. 4 answers
2. 1,189 views
what would have happened if the Japanese won the battle of midway?
1. 4 answers
2. 590 views
What does Huck mean at the end of the chapter 3 when he compares Tom's lies to Sunday school?
1. 4 answers
2. 871 views
what is the slope-intercept form of the linear equation whose graph passes through (-2,4) and is parallel to the graph 3x+y=6?a)
1. 2 answers
2. 650 views
When constructing a perpendicular bisector, why must the compass opening be greater than one half the length of the segment
1. 3 answers
2. 1,054 views
Explain how you can use a straightedge and a compass to construct an angle that is both congruent and adjacent to a given angle?
1. 3 answers
2. 1,191 views
In Nethergrave Jeremy creates an obstacle to dating the girl he likes bya) lying about where he lives b) lying about his poor
1. 3 answers
2. 2,230 views
What kind of love is being addressed in each poem? (love of self, love of family, love of country, love of significant other)lov
1. 9 answers
2. 2,712 views
Read the following sentences about the father's boat from "The Third Bank of the River""He was very serious about it. It was to
1. 10 answers
2. 6,276 views
the author "of on turning ten" best creates a tone of regret with the linea) disfiguring chicken pox of the soul b) the perfect
1. 11 answers
2. 5,720 views
In "My Brother's Keeper" the author includes the line " and Jamie thought to himself, this time it must be bad" in Jamie's phone
1. 7 answers
2. 7,567 views
Name two ways that the federal government tried to regulate business in the late 1800s. Do you think these regulations achieved
1. 3 answers
2. 740 views
How many grams of NaOH are required to prepare 250 mL of 0.205 M NaOH? SHOW ALL WORK and include units.I don't know how to set
1. 2 answers
2. 680 views
Explain what might have happened in Ruthford's experiment if he had used a thin sheet of copper instead of a thin sheet of gold
1. 2 answers
2. 803 views
when a 65 kg skydiver jumps from a plane, and her kinetic energy is 7.05*10 to the 5th power J how fast is she falling
1. 2 answers
2. 792 views
The figure below shows three charges at the corners of a rectangle of length x = 0.65 m and height y = 0.42 m. What is the
1. 1 answer
2. 850 views
What would be the charge on five alpha particles?(An alpha particle is helium nucleus)I started with 2 from the helium multiply
1. 1 answer
2. 433 views
A pendulum of length 55 cm swings through an angle of 16 degrees. What distance does the tip of the pendulum swing?
1. 2 answers
2. 802 views
which two square roots are used to estimate the square root of 47? I'm confused I don't know what this means.
1. 4 answers
2. 1,774 views
the distance a car travels between the time the driver decides to stop the car and the time the driver puts on his brake is
1. 2 answers
2. 924 views
Leroy, who has a mass of 100kg , is skateboarding at 8.4m/s when he smacks into a brick wall and comes to a dead stop in 0.2 s.F
1. 1 answer
2. 743 views
At the fair, not only can I eat tasty food, but I can also see awesome fireworks. How do i make this a parallel structure using
1. 1 answer
2. 456 views
Benjamin Franklin was both a statesman and an inventor. How do i make this sentence parallel
1. 1 answer
2. 470 views
A glass plate whose index of refraction is 1.67 is immersed in a liquid. The surface of the glass is inclined at an angle of
1. 1 answer
2. 694 views
At which of the following events are you likely to serve only champagne as the wine
1. 3 answers
2. 494 views
Use d=1/2gt2 and solve for the time one spends moving upward in a 0.6-m vertical jump. Then double it for the "hang time"-the
1. 1 answer
2. 1,300 views
Use d=1/2gt2 and solve for the time one spends moving upward in a 0.6-m vertical jump. Then double it for the "hang time"-the
1. 3 answers
2. 1,714 views
You are assigned the following amount of CoCl2.Volume of CoCl2 assigned and used 4.84 mL Concentration of CoCl2 1.39 M To this
1. 1 answer
2. 497 views
Henrietta lives 8 7/10 miles from school. She lives 5 1/10 miles from the library. How much farther does Henrietta live from her
1. 1 answer
2. 409 views
What coefficient of H+ balances the atoms in the following half-reaction?H^+ + MnO2 Mn^2+ + H2O A.1 B.2 C.3 D.4 I think this is
1. 4 answers
2. 1,602 views
What is the reduction half-reaction for the following unbalanced redox equation?Cr2O7^2– + NH4^+ Cr2O3 + N2 A.Cr2O3-->
1. 11 answers
2. 2,086 views
2. What is the reduction half-reaction for the following unbalanced redox equation?Cr2O7^2– + NH4^+ Cr2O3 + N2 A.) Cr2O3 ->
1. 3 answers
2. 1,182 views
The price of butter increases. In 2-3 sentences, explain how a price increase in butter affects the demand for margarine.
1. 1 answer
2. 481 views
What is the reducing agent in the following reaction?2NA + 2H2O 2NaOH + H2 A.Na B.H2O C.NaOH D.H2 I think it is B...?
1. 3 answers
2. 1,548 views
The story is "The Fire Pond"3. How does the setting of the story change as the story develops? A.It starts as a source of
1. 1 answer
2. 689 views
What are the first four terms of the sequence represented by the expression 4n - 2?A. 3, 7, 11, 15 B. 2, 6, 10, 14 C. 1, 5, 9,
1. 2 answers
2. 6,569 views
Identify the sequence as arithmetic, geometric, or neither. Explain your answer.1.6, 0.8, 0.4, 0.2, . . . I think it is
1. 10 answers
2. 2,495 views
Use the function rulef(x)=3x-2 . Find the output f(1.5).A.2.5 B.–2.5 C.6.5 D.–6.5 This is not working out for me...can
1. 5 answers
2. 348 views
4. Which of the following sentences is a compound sentence?A.Charlie said it’s cold outside but hot in his bedroom. B.Jared
1. 4 answers
2. 407 views
4. Which of the following would not always require a citation in a research paper?A.quotation of a phrase B.quotation of a
1. 5 answers
2. 5,781 views
1.Which of the following would always require a citation in a research paper?A.Thesis statement B.an anecdotal experience C.a
1. 10 answers
2. 8,649 views
What percentage of students plan on running for student government next year based on the given data? Please explain how to
1. 1 answer
2. 1,348 views
2nd time asking this question - need further clarification - pleaseWhat was the outcome of the Alliance for Progress?
1. 3 answers
2. 631 views
3.Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.) x = –0.24 B.)
1. 3 answers
2. 606 views
3.Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.) x = –0.24 B.)
1. 6 answers
2. 823 views
3.Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.) x = –0.24 B.)
1. 3 answers
2. 536 views
What association would you expect if graphing number of hours worked and money earned?A.negative B.linear C.nonlinear D.none of
1. 4 answers
2. 1,998 views
What association would you expect if graphing height and weight?A.positive B.nonlinear C.negative D.none of these I think it is
1. 2 answers
2. 674 views
let f(x)=x^2 -(a^2 + 2a)x + 2a^3, where 0<a<2. for which value of a will the distance between the x-ints. of f be a maximum?
1. 1 answer
2. 272 views
smallest particle of a covalent compound?
1. 2 answers
2. 890 views
the sum of two positive integers is 60, and their positive difference is 26. what is the positive difference between the squares
1. 3 answers
2. 583 views
How the Italo-Byzantie sense can be seen as a evident in Berlinghieri St Francis Altarpiece?
1. 2 answers
2. 953 views
You have 120.8 grams of CO2 at 2.5 atm and 18.4oC in a 10.0 L fixed volume container. What is the internal pressure(atm)?
1. 1 answer
2. 392 views
1.9 moles of Ar and 2.5 moles of Ne are added to a 10.0 L container at 20.0oC. What will the internal pressure (atm) be?
1. 3 answers
2. 304 views
An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and
1. 4 answers
2. 4,633 views
In a constant-pressure calorimeter, 50.0 mL of 0.340 M Ba(OH)2 was added to 50.0 mL of 0.680 M HCl. The reaction caused the
1. 3 answers
2. 1,095 views
What will be the equilibrium temperature when a 273 g block of copper at 298°C is placed in a 132 g aluminum calorimeter cup
1. 1 answer
2. 446 views
write an equation in slope-intercept form for the line passing through (-2,6) and (4,-3)
1. 2 answers
2. 1,183 views
what is the slope of the line x = -2/3
1. 1 answer
2. 255 views
find the value of c so that (c,5) is a solution to 2x + 3y =7
1. 1 answer
2. 275 views
Solve 8(x-1) + 4 = 9x - 8
1. 1 answer
2. 261 views
If you made 3 1/2 dozen cookies and used 7 7/8 cups of flour, how much flour do you use for each dozen
1. 2 answers
2. 645 views
Assume that Y varies directly as X. If Y = -11 when x = -4, find Y when x = 6.
1. 1 answer
2. 511 views
what is the conjunction and preposition to this sentence Deep tendon reflexes were intact with an upgoing toe on the left.
1. 2 answers
2. 899 views
what could you conclude about the two rock layers if paleontologists would find a trilobite fossil in a rock layer at the top of
1. 3 answers
2. 762 views
Tanslate this sentence into an equation." 48 is 4/9 of Malik's height"
1. 2 answers
2. 767 views
Let f(x) be the function 1/x+5. Then the quotientf(6+h)−f(6)/h can be simplified to −1/ah+b for: a= 11 b= I did all the work
1. 3 answers
2. 781 views
I'm having trouble with these two problems. If someone can help me with the first one I can probably get the second one on my
1. 1 answer
2. 429 views
The heights of South African men are normally distributed with a mean of 64 inches and a standard deviation of 2 inches.a) What
1. 1 answer
2. 1,050 views
A wooden block with a volume of 29.59 cm3 is held under water. What is the buoyant force on the block (see sheet 19)? Indicate
1. 1 answer
2. 402 views
1. A car travels 20 kilometers per hour faster than a second car. The first car covers 180 kilometers in the same time the
1. 4 answers
2. 1,156 views
A passenger on a stopped bus notices that rain is falling vertically just outside the window. When the bus moves with constant
1. 3 answers
2. 1,827 views
What is the slope of the line that passes through the points (2, -1) and (2,0)?
1. 1 answer
2. 266 views
A line contains the points (0, -2) and (1,3). Another line graphed in the same coordinate plane contains the points (3, -1) and
1. 2 answers
2. 537 views
B is the midpoint of A and C. If BC=3x2, and AC=54, find the value of x. Show all work
1. 1 answer
2. 347 views
A particle travels horizontally between 2 parallel walls separated by 18.4 m. It moves toward the opposing wall at a constant
1. 7 answers
2. 7,004 views
Hachure lines, or lines with teeth, describe
1. 2 answers
2. 1,104 views
a triangle is a figure formed by three segments connecting three collinear points true or false?
1. 2 answers
2. 638 views
A sample of calcium nitrate with a mass of 1.00 g was dissolved in water and diluted to 100.00 mL in a volumetric flask. What is
1. 1 answer
2. 517 views
A sample of calcium nitrate with a mass of 1.00 g was dissolved in water and diluted to 100.00 mL in a volumetric flask. What is
1. 1 answer
2. 497 views
Convert the base-ten number to a numeral in the indicated base.19) 15 to base two 19) ______ A) 11110two B) 111two C) 1110two D)
1. 2 answers
2. 582 views

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