Questions and answers by

dan

Questions (264)

How do you complete the square by filling in the two blanks so as to produce a true equation.x^2 - 12x + ---- = (x - -----)^2
1. 4 answers
2. 879 views
When Professor Sum was asked by Mr. Little how many students were in his classes, he answered,“All of them study either
1. 1 answer
2. 631 views
Question from the Classroom: 10A student claims that the equation Ö(-x) = 3 has no solution, since the square root of a
1. 3 answers
2. 1,107 views
Explain whether the set {0, 1, 2} is closed with respect to addition on whole numbers.
1. 0 answers
2. 766 views
A student claims that every prime greater than 3 is a term in the arithmetic sequence whose nth term is 6n + 1 or in the
1. 0 answers
2. 589 views
Examine several newspapers and magazines and describe at least three examples of functions that appear. What is the domain and
1. 2 answers
2. 520 views
Thanks ReinyHow ado I simplify? (3i�ã5)^
1. 3 answers
2. 423 views
Can someone help me with this??Simplify... �ã-45 x �ã-20 = is it?? �ã-45*-20 �ã-900 3�ã-30
1. 1 answer
2. 374 views
Suppose you have a friend named Ed. He and his four friends are having ice cream. There are only three flavors available at the
1. 1 answer
2. 1,073 views
A drawing of diagonals for four different polygons is listed below. What is the number of diagonals for a 100-sided polygon?
1. 2 answers
2. 529 views
please help 3(n+1)=5(n-3) thank you
1. 3 answers
2. 321 views
Convert the polar equation r-3cosx = 5sinx in Cartesian equation form.
1. 1 answer
2. 820 views
How do you convert polar coordinates to Cartesian coordinates? And vise versa.
1. 1 answer
2. 660 views
How do you convert polar coordinates to Cartesian coordinates? And vise versa.
1. 1 answer
2. 1,124 views
Two forces of 7 lb. and 14 lb. act on a body at right angles to each other. Find their resultant. Find the angle their resultant
1. 2 answers
2. 1,562 views
a sperical water tank is being filled with the diamiter of 10 feet how much water does it hold half full use 3.14
1. 2 answers
2. 409 views
how will thinking critically influence the way I read?how will thinking critically influence the way I write? how will thinking
1. 1 answer
2. 527 views
how can the government be involved in conservation efforts?
1. 1 answer
2. 385 views
An engine goes through the following cycle with 2.60 moles sample of a diatomic gas. I. an isothermas expansion from point a to
1. 0 answers
2. 615 views
An insulated beaker with negligible mass contains liquid water with a mass of 0.255{kg} and a temperature of 76.0{C}How much ice
1. 1 answer
2. 1,307 views
can you name one terrestrial resource issue?
1. 1 answer
2. 358 views
why is sewage a problem and how have human activities contributed to this problem?
1. 1 answer
2. 382 views
7.3xgreater than or less than -87.6
1. 1 answer
2. 343 views
mr conner's students made kites in science class. he brought a 500-yd bolt of twine to tie to the kites. if he wants to give
1. 2 answers
2. 1,428 views
w+9/14 greather than or equal to 5/14
1. 1 answer
2. 388 views
x/-2.5<-1.54solving ineualities with rational numbers'---how do i do this?
1. 1 answer
2. 348 views
give an example of a chemical formula.
1. 1 answer
2. 906 views
5^6-2=
1. 1 answer
2. 241 views
how do i simplifu 2r^2 +r +r^2 and3(r+s) - 2r
1. 1 answer
2. 309 views
There are two machines that produce aluminum cans. The newer machine can produce 7200 cans in 200 minutes. It takes the older
1. 1 answer
2. 2,153 views
The length of a rectangle is four times its width. If the perimeter of the rectangle is 50cm. find its area.how do i set this
1. 1 answer
2. 1,139 views
Justin's gas tank is 1/4 full. After he buys 9 gallons of gas, it is 5/8 full. How many gallons can Justin's tank hold?How would
1. 1 answer
2. 1,402 views
1. Jina purchased a prepaid phone card for $15. Long distance calls cost 11 cents a minute using this card. Jina used her card
1. 1 answer
2. 948 views
can you check if answer is right?a^2b -c when a=4 b=8 and c=12
1. 4 answers
2. 806 views
Identify the conic section whose equation is given:x2 + 10x + y2 + 12y = 60
1. 1 answer
2. 846 views
hi, Im not sure how to explain this well but here goes.Im doing a oxidization/reduction reaction to determine the charge of an
1. 3 answers
2. 729 views
what are some source errors in my experiment? determine absolute zero.We attached a capillary to a ruler with a thermometer.
1. 2 answers
2. 1,456 views
ok heres my question,nitrogylcerin decomposes: 4c3h4(no5)3 --->12co2(g) +10h20(g)+6n2(g)+02(g) whats is the max pressure that a
1. 5 answers
2. 699 views
A mixture of hydrogen peroxide, H2O2, and hydrazine, N2H4, can be usedas a rocket propellant. The reaction is: 7 H2O2(g) +
1. 1 answer
2. 1,782 views
A 10.0 mL sample of 3.00 M KOH(aq) is transferred to a 250.0 mlvolumetric flask and diluted to the mark. It was found that 38.5
1. 4 answers
2. 1,323 views
I need to balance hydrolysis equations for the following salts,copper(II) nitrate, sodium tetraborate, sodium bromide, calcium
1. 2 answers
2. 757 views
how do i get the degree for (tan+1)(tanx-2)=0 in the interval of 0 is less that or equal to x and x is less then or equal to 360
1. 1 answer
2. 429 views
according to some students what is the true purpose of homework
1. 2 answers
2. 761 views
I need help.. i need to make 4 sentences.. With...(Miro) (Miramos) El, la, al, a la empleado video carpeta profesora I don't
1. 1 answer
2. 756 views
It will give me a sense of accomplishments.is this a grammatical correct sentence?
1. 1 answer
2. 464 views
How are the ways that the former Soviet Union and China have moved toward market based economies different?
1. 1 answer
2. 609 views
Explain the politics of the consensus and explain the pragmatic political measures Eisenhower used to manage the economy?
1. 1 answer
2. 597 views
I have a project due on the Colo Company can anyone help figure out the worksheet
1. 1 answer
2. 399 views
Ch3Ch2Ch2MgBr + H2O =I just need to complete the reaction not balance it.
1. 1 answer
2. 1,473 views
find the constant of variation for each direct variation.10y=13x and f(x)=4.5x and x+y=0
1. 0 answers
2. 607 views
can someone check my essay now thanksChoose apiece of literature you have read and describe how it has affected you. For many
1. 1 answer
2. 632 views
how many beats in a bar
1. 2 answers
2. 443 views
Tungsten has been used to make light bulb filaments since 1908. The melting point of tungsten is 3422 °C and the heat of fusion
1. 1 answer
2. 619 views
i am confused with this question. what do i need to use in order to solve this question?eliza must fence in a pool area net to a
1. 1 answer
2. 420 views
solve the system by graphingx+y=4 y=2x+1 I think these are the kind that you take equation #1 and rewrite it as y = -x + 4 and
1. 0 answers
2. 696 views
what is the ratio of the circumfrence and diameter of any circle?pi, which is 3.14159...
1. 0 answers
2. 392 views
Is a glass of water equal to 30 grams or 300 grams?http://www.calorie-count.com/forums/post/20619.html A "glass" of water could
1. 0 answers
2. 545 views
Is a glass of water equal to 30 grams or 300 grams?More likely 300 grams. 30 grms would be nearly two tablespoons.
1. 0 answers
2. 456 views
How can I make this better?The prompt is to explain how the author uses narrative voice and characterization to provide social
1. 0 answers
2. 788 views
how do you write an evaluation?What kind of evaluation are you referring to? Job evaluation? Evaluation of literary work? Or
1. 0 answers
2. 1,355 views
Facts about Georgia.How do we persuade peolpe to come to a colony in the early days? Thank you In Georgia, many were in prison
1. 0 answers
2. 750 views
energy needed to change a material from a liquid to a gas... its 3 wordsIs this for a puzzle? how many letters in each word
1. 0 answers
2. 595 views
population of walesCheck this site for the population of Wales plus a lot of additional information about this part of the
1. 0 answers
2. 1,208 views
Assuming the molor mass of paraffin is 280 g/mol, calculate the # of mols of paraffin burned. Then calculate the heat of
1. 0 answers
2. 644 views