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Questions (78)

Use the graph of f(t) = 2t + 2 on the interval [-1, 4] to write the function F(x), where f(x) = x∫-1 f(t) dta. F(x) = x^2 + 3x
1. 3 answers
2. 638 views
The differential equation dy/dx = (y-2)/(y-1)I.produces a slope field with horizontal tangents at y = 2 II.produces a slope
1. 2 answers
2. 2,020 views
.Use of the Internet for grassroots organizing, political commentary, and fund-raising has become a standard due to developments
1. 0 answers
2. 683 views
In the pluralist model, bargaining among groups is carried on by:a.one leader. b.few leaders. c.many leaders. d.voting. D
1. 2 answers
2. 506 views
i am a 6 digit number 8 ones, 5 hundreds 2 thousands, 19 ten thousands. What is the answer?
1. 1 answer
2. 458 views
Heading back to the states but on edge since he survived the tsunamiFRAGMENT OR NO
1. 1 answer
2. 881 views
Suppose that the electric potential outside a living cell is higher than that inside the cell by 0.0928 V. How much work is done
1. 1 answer
2. 711 views
what is the limit n to infinite ofcos1*cos(1/2)*cos(1/4)*cos(1/8)*cos(1/16)*...*cos(1/2^n)
1. 1 answer
2. 550 views
An operation produces (A-1)/A from a fraction A=m/n, where m is not equal with n and m is not zero. If the initial value of A is
1. 3 answers
2. 419 views
The line segment connecting two points (-2,7) and (4,-1) can be expressed in parametric equations as x=-a+bt, y=c-dt(0<=t<=1).
1. 1 answer
2. 490 views
Suppose x,y,p and q are real numbers and the inverse element for multiplication of the complex number x+yi is 5-11i.If (5-11i)^2
1. 1 answer
2. 412 views
If x(x+i)+y(y+i)-14(8+i)=0, find x and y.
1. 1 answer
2. 259 views
In polar coordinates, the parametric equations x=6+cos(f) and y=sin(f) represent a circle C1. In Cartesian coordinates, there is
1. 3 answers
2. 511 views
z=x(1-i)+24(-2+i) , x is a real number.if z^2 is a negative real number what is x?
1. 1 answer
2. 290 views
Consider the line defined by the parametric equations x=3d-10, y=2d+1.The y-intercept of this line can be expressed as a/b. Find
1. 1 answer
2. 617 views
If the quadratic equation(8+i)x^2+(a-i)x+38-2i=0 has real roots, what is the value of the positive real constant a?
1. 1 answer
2. 411 views
Given a rectangular object with dimensions 2cm by 22cm, we want to increase the length of the smaller dimension and decrease the
1. 2 answers
2. 457 views
If the vertex of the parabola y=x^2-2ax+2a^2 is on the line y=24x+25 what is the value of a (positive number)
1. 1 answer
2. 387 views
The difference between the two roots of the quadratic equation x^2+ax+b=0is 32 and the larger root is 3 times the smaller root.
1. 1 answer
2. 456 views
Suppose that a is an integer such thatx^2+2xy−360y^2+ax+38y+361 can be factorized as the product of linear expressions in x
1. 1 answer
2. 376 views
If the graph of y=(ax-5)/(x+b)does not intersect either of the lines x=7 or y=−3 , what is the value of a and b ?
1. 1 answer
2. 388 views
For two sets X={-1,1,a} and Y={7,16,b}f(x)=x^3+8 is a bijective function from X to Y. What is the value of a and b ?
1. 1 answer
2. 320 views
If (x−48)−(y+16)i=0, what are the values of x,y?
1. 1 answer
2. 297 views
For 2 sets X={1,2,3,4},Y={−15,0,30},f is a surjective function from X to Y. If f(1)=−15 and f(2)=f(4)=0, what is f(3) ?
1. 2 answers
2. 314 views
Consider the parabola y=x^2-2px+p+1.If the real number p has the property a<p<b, then the vertex of y is above the line
1. 2 answers
2. 439 views
Given that a and b are real numbers and that x satisfies the inequality ax>=b when x>=14, what is the smallest integer x that
1. 0 answers
2. 531 views
If a line with x-intercept −5 and y-intercept 35 passes through point P=(5,a) , what is the value of a ?
1. 1 answer
2. 374 views
Let y=ax+b be the equation of the line with x-intercept 2 and y-intercept −12. What are a and b values?
1. 1 answer
2. 337 views
Given that −24<A<39 , let x and y be the maximum and minimum integer values, respectively, of −2A+5.What is x and y?
1. 1 answer
2. 337 views
Consider the line passing through two points P=(1,8) and Q=(−1,3). If the line also passes through point R=(15,a), what is the
1. 1 answer
2. 415 views
Given that a and b are real numbers and that x satisfies the inequality ax>=b when x>=75, what is the smallest integer x that
1. 0 answers
2. 557 views
Two candidates A and B are up for election. A is so popular that the number of votes for B is expected to be less than or equal
1. 2 answers
2. 470 views
If P=(a,a) is a point on the liney=−2x+27, what is the value of a?
1. 1 answer
2. 287 views
If a line with x-intercept −3 andy-intercept 21 passes through point P=(8,a) , what is the value of a?
1. 1 answer
2. 383 views
CH3CH2CH=CHCH3 --KMnO4->Include all steps of reaction, any additional reagents/conditions needed and the products formed. ive
1. 1 answer
2. 1,044 views
CH3CH2CHCHCH3 --HIO4->| | HO OH Include all steps of reaction, any additional reagents/conditions needed and the products
1. 0 answers
2. 463 views
CH3CH2CH=CHCH3 --KMnO4->Include all steps of reaction, any additional reagents/conditions needed and the products formed. ive
1. 0 answers
2. 644 views
NH4OH + H2O =
1. 2 answers
2. 1,204 views
How is overall molecular polarity affected by molecular symmetry (specifically shown for alkenes in book)?And what are the
1. 1 answer
2. 518 views
What is high molecular symmetry and low molecular symmetry and give examples of bothplease help!!!
1. 1 answer
2. 345 views
What is a stretch (symmetric versus asymmetric)?What is a bend? ionterpreting infrared spectra NEED HELP PLEASE!!!!!!!!!!!!!!
1. 1 answer
2. 357 views
What must a molecule possess to be able to absorb radiation in the infra-red region?
1. 1 answer
2. 409 views
How do melting points differ for ionic compounds versus those that contain only covalent bonds? Why is this so (explain)?
1. 1 answer
2. 421 views
What is high molecular symmetry and low molecular symmetry and give examples of both please
1. 0 answers
2. 337 views
How is overall molecular polarity affected by molecular symmetry (specifically shown for alkenes in book)? And what are the
1. 0 answers
2. 427 views
1.También tengo mi propio auto.2. Me llamo Mario Verdejo. 3. Soy el mejor chofer de Santiago. 4. Mi nuevo cliente se llama
1. 5 answers
2. 516 views
Does the phrase "frozen to the spot" means:I couldn't move because of fear?
1. 1 answer
2. 378 views
The phrase "my eye caught the shadow means" :A. I saw the shadow out of the corner B. My eye went and grabbed hold of a shadow
1. 3 answers
2. 510 views
A reaction will be nonspontaneous under all conditions whena. delta G is negative b. delta H is negative and DS is positive c.
1. 4 answers
2. 592 views
Calculate the value of ()Go for the following reaction , given the standard free energies of formation listed below each ion.Ag(
1. 6 answers
2. 506 views
delta G for a reaction can be calculated from1. delta Gf data 2. delta Hf and delta S data 3. equilibrium constants a. only 1 or
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2. 461 views
delta G for a reaction can be calculated from1. delta Gf data 2. delta Hf and delta S data 3. equilibrium constants a. only 1 or
1. 1 answer
2. 414 views
Free energies of formation area. always positive b. always negative c. never zero d. measured at 298K e. more than one response
1. 1 answer
2. 417 views
Nitrosyl chloride (NOCl) decomposes at high temperature. The equation is2 NOCl (g) -> 2 NO (g) + Cl2 (g) at 227C Using delta H =
1. 0 answers
2. 548 views
Nitrosyl chloride (NOCl) decomposes at high temperature. The equation is2 NOCl (g) -> 2 NO (g) + Cl2 (g) at 227C Using delta H =
1. 5 answers
2. 1,199 views
For a particular reaction delta G is more negative than delta H. This means thata. delta S is zero. b. deltaS is negative c.
1. 1 answer
2. 567 views
The standard molar entropy value of N2 (g) is 191.5 J/K-mol,of O2 (g) is 205.0 J/K-mol and of NO2 (g) is 240.0 J/K-mol. From
1. 4 answers
2. 1,761 views
q1)Which entries below should have the highest standard molar entropy?a. SiCl4 (s) b. CCl4(l) c. CCl4 (g) d. SiCl4 (l) q2) For
1. 4 answers
2. 539 views
A carnival has a Ferris wheel where the seats are located halfway between the center and outside rim. If you were at the outside
1. 1 answer
2. 1,646 views
If the Earth had two identical moons in one circular orbit, and the moons were as far apart in that orbit as they could be, the
1. 2 answers
2. 721 views
Very ideally, and very strictly speaking, the falling leaves in autumn make the world spin a bit ____________________. A) All of
1. 0 answers
2. 653 views
When a skater brings her arms in when spinning, she increases her ____________________. A) angular speed.B) Both of these.C)
1. 1 answer
2. 658 views
The main reason railroad trains remain on their tracks has to do with the ____________________. A) None of these.B) beveled
1. 1 answer
2. 921 views
When we studied the concept of work, we learned that work = force x distance. Now we learn that torque = force x distance.
1. 1 answer
2. 541 views
For which value of x will the fraction 7/2x-6 be undefined?HOW TO DO THIS ?
1. 3 answers
2. 1,700 views
for which value of X will the fraction 7/2x-6 be undefined ?and check this IF three times a number decreased by 5, the result is
1. 1 answer
2. 487 views
What mass of oxygen is needed for the complete combustion of 2.60×10−3 of methane?Express your answer with the appropriate
1. 1 answer
2. 1,214 views
What mass of water is produced from the complete combustion of 2.60×10−3 of methane?Express your answer with the appropriate
1. 2 answers
2. 1,537 views
What mass of carbon dioxide is produced from the complete combustion of 2.60×10−3 of methane?
1. 1 answer
2. 707 views
What coefficients are needed to balance the equation for the complete combustion of methane? Enter the coefficients in the order
1. 3 answers
2. 2,929 views
A ROCK IS DROPPED INTO A DRY WELL. THE TOTAL TIME TO REACH THE BOTTOM NAD FOR THE SOUND TO TRAVEL BACK TO THE TOP IS 6.7 S. WHAT
1. 1 answer
2. 314 views
A DICTIONARY,CUBE AND A GEOBOARD IS MEASURED BY GRAMS OR KILOGRAMS
1. 1 answer
2. 342 views
A JUMPROPE IS MEASURED BY GRAMS OR KILOGRAMS
1. 2 answers
2. 366 views
how is word used to create the componenet of a research paper
1. 1 answer
2. 340 views
5 WAYS THE PENTAGON HELPS OUR COMMUNITY AND UNITED STATES?
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2. 372 views
The molecular structure around all the carbons in ethanol is ________I don't know what to put
1. 1 answer
2. 455 views
The molecular structure around the oxygen in water is _________I don't know what to put
1. 1 answer
2. 457 views
how do you diverse fractions to decimals and visa versaJust take the top number and divide it by the bottom one. For example, if
1. 0 answers
2. 696 views