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Marissa

Questions and answers by visitors named Marissa

Questions (182)

Properties of chlorine, iodine and their compounds are compared.Property Q for chlorine is smaller than for iodine. What is
1. 5 answers
2. 1,737 views
A square quilt for a child's bed has a border made up of 32 pieces with an area of x each, and 4 small squares with an area of 1
1. 1 answer
2. 717 views
What is the main substance made during? Photosynthesis(Broken Link Removed)
1. 1 answer
2. 297 views
why is a burn from steam potentially more serios than a burn from very hot water?Water at boiling temperature has a specific
1. 2 answers
2. 604 views
Why does an ice cube melt @ room temperature?The melting point of water is zero degrees Celsius (32 degrees Fahrenheit). Room
1. 1 answer
2. 806 views
State the possible number of imaginary zeros of g(x)= x^4+3x^3+7x^2-6x-13this is how far Ive gotten:there are 4 zeros,3 positive
1. 3 answers
2. 1,864 views
Can someone please explain how to do these problems.1)write a polynomial function of least degree with intregal coefficients
1. 3 answers
2. 1,577 views
write an equation for the parabola with focus (1,3) and vetex (0,3)See the paragraph Analytic Geometry Equations. You will have
1. 1 answer
2. 661 views
This will be a multiple post thing so please bear with me. If my answers are wrong then please explain I'll post my work as
1. 1 answer
2. 488 views
1)Solve by factoring:5x^2=4-19xanswer=-4,1/5 2)Which quadratic equation has roots 7 and -2/3? answer=A A.2x^2-11x-21=0
1. 2 answers
2. 662 views
1)Find the exact solutions to 3x^2=5x-1 using the quadratic formula.answer=5 plus or minus the square root of 37 over 6 2)Use
1. 1 answer
2. 1,019 views
1)Write an equation for the parabola whose vertex is at (-8,4) and passes through (-6,-2)answer=y=-3/2(x+8)^2+4 2)Solve
1. 1 answer
2. 477 views
1)Identify the y-intercept and the axis of symemetry for the graph of f(x)=-3x^2+6x+12.answer=12:x=1 2)Determine whether
1. 1 answer
2. 661 views
1)Solve by factoring:5x^2=4-19xanswer=-4,1/5 2)Which quadratic equation has roots 7 and -2/3? answer=A A.2x^2-11x-21=0
1. 2 answers
2. 767 views
1)Find the exact solutions to 3x^2=5x-1 using the quadratic formula.answer=5 plus or minus the square root of 37 over 6 2)Use
1. 1 answer
2. 783 views
1)Write an equation for the parabola whose vertex is at (-8,4) and passes through (-6,-2)answer=y=-3/2(x+8)^2+4 2)Solve
1. 2 answers
2. 1,326 views
Hey thanks for all your help but you kinda confused me on a few:1)Determine whether f(x)=-5x^2-10x+6 has a maximum or minimum
1. 1 answer
2. 1,228 views
1)Use synthetic subsitution to find f(-3)for f(x)=x^4-4x^3+2x^2-4x+6answer= -15 2)One factor of x^3+2x^2-11x-12 is x+4. find the
1. 2 answers
2. 566 views
1)A.f(x)= x^2+4B.f(x)= x^2-4x^2+4x-16 C.f(x)= x^2+4x^2+4x+16 D.f(x)= x^2-4x^2-4x+16 2)A.+-1,+-2,+-3,+-6
1. 1 answer
2. 1,185 views
1)Write the expression 9n^6+7n^3-6 in quadratic form,if possibleA.9(n^3)^3+7n^3-6 B.9(n^2)^3+7(n^2)-6 C.9(n^3)^2+7(n^3)-6 D.not
1. 3 answers
2. 1,436 views
how would you solve this;Write an equation for the hyperbola with vertices (-10,1) and (6,1) and foci (-12,1)and (8,1) The
1. 2 answers
2. 554 views
1)What is the distance between the museum and sailing club.I cant post the graph or anything but I have my numbers right its 53
1. 1 answer
2. 723 views
1)Write an equation for an ellipse if the endpoints of the major axis are at(1,6)and (1,-6)and the endpoints of the minor axis
1. 1 answer
2. 883 views
1)What is the 4x^2=y^2+8y+32answer= either hyperbola or parabola 2)The graph of which equation is a circle? answer=
1. 1 answer
2. 868 views
4)Find the exact solutions of each system of equations x^2+y^2=25 and 9y=4x^2answer= (3,4),(-3,4) This is correct from what I
1. 1 answer
2. 748 views
1)Write an equation for the parabola with focus (1,3)and vertex(0,3)answer= x= 1/4(y-3)^2 2)Write an equation for a circle if
1. 1 answer
2. 1,242 views
4)Write the equation x^2-2x+y^2+4y=11 in standard form.answer= (x-1)^2+(y+2)^2=16 5)Write the equation 4x^2+24x-y+34=0 in
1. 1 answer
2. 348 views
1)The area A of a triangle varies jointly as the lengths of its base b and height h. If A is 75 when b=15 and h=10,find A when
1. 3 answers
2. 1,994 views
1)Use Pascal's triangle to expand (w-x)^52)Use the binomial theorem to find the third term in the expression of (n-2p)^6 3)Which
1. 2 answers
2. 806 views
I'm pretty sure these are right but I just want to check.1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7
1. 1 answer
2. 672 views
1)Find the sixth term of the geometric sequence for which a1=5 and r=3a.1215 b.3645 c.9375 d.23 answer=a 2)Write an equation for
1. 2 answers
2. 600 views
1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4a.15 b.15/2 c.-15 d.1/15 answer=a 2)Find the sum of the infinite
1. 2 answers
2. 569 views
I'm pretty sure these are right but I just want to check.1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7
1. 1 answer
2. 700 views
1)Find the sixth term of the geometric sequence for which a1=5 and r=3a.1215 b.3645 c.9375 d.23 answer=a 2)Write an equation for
1. 1 answer
2. 836 views
1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4a.15 b.15/2 c.-15 d.1/15 answer=a 2)Find the sum of the infinite
1. 3 answers
2. 909 views
can you look at my posts when you come to this page please.
1. 1 answer
2. 309 views
I'm pretty sure these are right but I just want to check.1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7
1. 1 answer
2. 717 views
1)Find the sixth term of the geometric sequence for which a1=5 and r=3a.1215 b.3645 c.9375 d.23 answer=a 2)Write an equation for
1. 1 answer
2. 525 views
1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4a.15 b.15/2 c.-15 d.1/15 answer=a 2)Find the sum of the infinite
1. 3 answers
2. 578 views
does anyone know anything about sigma notation?
1. 4 answers
2. 279 views
I'm pretty sure these are right but I just want to check.1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7
1. 1 answer
2. 1,097 views
1)Find the sixth term of the geometric sequence for which a1=5 and r=3a.1215 b.3645 c.9375 d.23 answer=a 2)Write an equation for
1. 2 answers
2. 559 views
1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4a.15 b.15/2 c.-15 d.1/15 answer=a 2)Find the sum of the infinite
1. 2 answers
2. 555 views
1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7a.143 b.136 c.140 d.133 an=a1+(n-1)d a20=3+(20-1)7
1. 4 answers
2. 2,496 views
How do laundry detergents remove grape juice stains?
1. 1 answer
2. 393 views
HOW DO I FIGURE OUT -X2-5X-9=0
1. 3 answers
2. 391 views
Objective of Exercise: Conduct research online regarding the strongest of your multiple intelligences. Find three Web sites
1. 11 answers
2. 809 views
Write the equation for the reaction of each of the following with water.a) HCl b) CH3COOH c) NaOH d) NH3 Are these correct? a.
1. 2 answers
2. 1,137 views
(a) Find pH and pOH of 1.0 M solution of sodium benzoate, NaC6H5COO. (Ka of benzoic acid is 6.2x10^-5)(b) Calculate pH after
1. 7 answers
2. 2,066 views
Let g(x) = sin (cos x^3) Find g ' (x):The choices are a) -3x^2sinx^3cos(cos x^3) b) -3x^2sinx^3sin(cos x^3) c)
1. 2 answers
2. 593 views
How can you make a tri cornered hat out of newspaper. Like the hat paul revere wore, except made out of newspaper. Please help!
1. 2 answers
2. 507 views
How many real roots does f(x) = x^3+5x+1 have?x^3 = odd polynomial = at least 1 real root Can I follow Descartes' rule for this?
1. 2 answers
2. 507 views
What is the derivative of:a) cos(3x) b) π/x I did (a) just by following chain rule: -sin(3x)*3 so it's -3sin(3x) Is that
1. 2 answers
2. 517 views
What is the indefinite integral of ∫ [sin (π/x)]/ x^2] dx ?This is what I did: Let u = π/x (to get the derivative and du:)
1. 2 answers
2. 488 views
Can somebody please check these over for me? I really want to know what I did wrong if I made mistakes!Differentiate the
1. 2 answers
2. 549 views
1. y = x^x2. y = (sin^2xtan^4x)/(x^2+1)^2 3. y = x^(1/x) 4. y = 2^(-x^3) Okay, so I'm pretty sure 1 is done easily: ln y = ln
1. 3 answers
2. 688 views
How can I solve the integral of x^3√(9-x^2) dx using trigonometric substitution? ?∫ x^3√(9-x^2) dx So then I know that x =
1. 2 answers
2. 695 views
sketch a graph whose domain is the interval [0, infinity) but whose domain must be restricted to [0,4] so that the function can
1. 1 answer
2. 577 views
How would you expect the following series of compounds to compare in behavior for SN1 vs SN2?CH3CH=CHCH2Br CH3CH2CH2Br
1. 3 answers
2. 1,401 views
the equation is 4(2x) to the power of negative 2 times (x to the power of 2 y)im confused can someone explain how to do it?
1. 3 answers
2. 310 views
I want to say "I got an A on my history test." So I am going to say "J'ai eu "A" a mon interro histoire." This is the literal
1. 4 answers
2. 327 views
This is going to be hard to explain, but here goes!Four resistors, R1 = 30.0 ohm, R2 = 52.0 ohm, R3 = 93.0 ohm and R4 = 17.0
1. 1 answer
2. 515 views
Have to do an enlargement project and enlarge an everyday item by 10 times it original size. Part of grade is level of
1. 2 answers
2. 524 views
So I'm having some trouble with this problem.. Is there an equation or is it just a ratio? I'm having so many problems with this
1. 3 answers
2. 602 views
OK, so I'm having some serious problems with this one question. It's on relativity. Here it is:Calculate the mass of a proton
1. 6 answers
2. 604 views
Here's the question I'm currently working on...What initial kinetic energy must an α particle have if it is to approach a
1. 4 answers
2. 900 views
A bothersome feature of many physical measurements is the presence of a background signal (commonly called "noise"). It is
1. 4 answers
2. 1,180 views
Microwaves with λ = 1 mm are incident upon a 10 cm slit. At a distance of 1 m from the slit, what is the width of the slit's
1. 3 answers
2. 883 views
Do you know at what level PCE concentrations are of concern? Is 8,300 PPB a major problem?
1. 3 answers
2. 304 views
why do small businesses need a pay plan?
1. 4 answers
2. 841 views
heather and Matthew walk with an average velocity of .89 m/s eastward. it takes them 44 min to walk to the store. what is their
1. 3 answers
2. 655 views
Pretend the program in Senegal had been reducing infant mortality at a rateof 11 % per year. How long would it take for infant
1. 2 answers
2. 513 views
Balance this equations for redox reactions in basic solution.Fe(OH)3(s) + OCl- �¨ FeO42- + Cl-
1. 5 answers
2. 7,774 views
100g of water at 30.0C is mixed with 150g of water at 85.0C. What is the final temperature of th mixture assuming no heat is
1. 3 answers
2. 534 views
What were the economic, political, and social aspects of New Netherland, New Spain and New France?
1. 1 answer
2. 438 views
three different liquids are used in a manometer.(a) derive an expression for P1-P2 in terms of ro(a), ro(b), ro(c), h1, and h2
1. 4 answers
2. 5,177 views
Based on the balanced equation,C2H4 + 3O2 → 2CO2 + 2H2O calculate the molecules of H2O formed when 135 molecules of O2 are
1. 3 answers
2. 1,590 views
Can you help me describe National Debt in 2 paragraphs?
1. 1 answer
2. 393 views
Write the equation of the perpendicular bisector of the line segment AB with endpoints A(1,1) and B(7,5). Write your answer in
1. 2 answers
2. 906 views
Write the equation of the prpendicular bisector of the line segment AB with endpoints A(1,1) and B(7,5). Write the answer in
1. 2 answers
2. 486 views
estimate a 15% tip on a $42.65 check
1. 2 answers
2. 462 views
What is the ionization energy (in kJ/mole) of the hydrogen-like ion F8+ ?
1. 3 answers
2. 724 views
What steps do we use to change 1-1/2 cups in half?
1. 9 answers
2. 189 views
I'm sorry I'm just really confused by ionization energies and the heat of formation. Could you explain how to set up this
1. 1 answer
2. 474 views
while on the moon, the Apollo astronauts enjoyed the effect of a gravity much smaller than that on earth. if Neil Armstrong
1. 7 answers
2. 7,447 views
A 500kg pig is standing at the top of a muddy hill on a rainy day. the hill is 100.0m long with a vertical drop of 30.0m. the
1. 3 answers
2. 1,879 views
9 + 5k = 45 + 2Kthe sample shows operation S9 to come up with 5K=36+2k assuming subtract 9 from the 45 sample shows K=12 how did
1. 7 answers
2. 200 views
if the discriminant of (5u^2)+bu+2=0 is 41, what are all the values of b
1. 3 answers
2. 431 views
If the true population standard deviation was known to be 3.0, then approximately what minimum sample size would you need in a
1. 1 answer
2. 1,177 views
Let f be a function such thatf(-1)=3 and f'(-1)=6 let h(x)=x^5f(x) evaluate h'(x) at x=-1
1. 1 answer
2. 290 views
I'm in 6th grade and I need help for my science project. I don't even know what to do. Any fun science projects for 6th graders?
1. 10 answers
2. 1,322 views
A rectangle is inscribed with its base on the x axis and its upper corners on the parabola y= 12 - x^2. What are the dimensions
1. 2 answers
2. 579 views
The lim as x goes to 0- for cos(x)/sin(x). I know the answer is negative infinity but I don't really understand why.
1. 3 answers
2. 353 views
What is the standard notation for 3 to the 3rd power
1. 9 answers
2. 1,625 views
We're learning direct object pronouns so I had to replace the "sellos" in the first sentence-did I do it correctly?Tú
1. 1 answer
2. 469 views
I have to read this and answer these questions for homeowrk-I'm not sure if I did this correctly. Could you please check-I put
1. 5 answers
2. 1,575 views
This is in regard to my earlier post about the conversation-Thank you for all your help.Thank you for your patience too Could
1. 3 answers
2. 476 views
Review the nutrition quality of the items, using what you know about daily values, and ingredients (one of the products must
1. 4 answers
2. 806 views
What types of pathogens? What habits in your food preparation practices do you think might cause these pathogens to grow? What
1. 2 answers
2. 597 views
Issac has to do 1000J of work on a 5kg box, and all the work he did simply went into lifting it above the ground. How high above
1. 3 answers
2. 835 views

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