BB
This page lists questions and answers that were posted by visitors named BB.
Questions
The following questions were asked by visitors named BB.
Does it take energy for polymerization reasctions to proceed or ddo they occur spontaneoulsly?? Why or why not?? http://en.wikipedia.org/wiki/Endothermic_reaction 10. From a bottle of molten nutrient agar you need to pour 20 agar plates each containing 50...
18 years ago
Write the equation of the line passing through (2,-3) and (2,4). Write the answer in slope-intercept form.
17 years ago
f(x)=x2(squared)-7x+10, find (a)f(0), (b) f(5), and (c) f(-2)
17 years ago
-3x+4y=11
17 years ago
f(x)=-2x-5
17 years ago
Is this right if I substitute -2 for x? f(x)=x^2-7x=10 f(-2)=-2^2-7(-2)+10 f)-2)=-4-(-14)+10 f(-2)=-8
17 years ago
Solve the following by graphing: 2x - y = 4 2x - y = 6
17 years ago
Theater tickets are $8 for general admission and $5 for students. During one evening 240 tickets were sold, and the receipts were $1680. How manny of each ticket was sold? This is what I have before I get stuck: G=8 S=5 8(240-S)+5S=1680 1920-S+5S=1680 Now...
17 years ago
Solve the following system by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent. 10x+2y=7 y=-5x+3
17 years ago
Solve the system by graphing. x+y=4 -x+y=2 How do I graph this?
17 years ago
Is there a certain rhyme out there to help study state capitals?
17 years ago
Toulmin Model and Campus Gun Control? I'm getting really confused about this. I need to break down an article according to the toulmin model within the next few hours. It's about gun control on campuses. So far I've got: Claim: Guns should be allowed on c...
17 years ago
The expected number of heads in 160 tosses of an unbiased coin is ___.
16 years ago
Describe what happens to the three points of concurrency that determine the Euler line when the triangle is (a) isosceles, (b) equilateral.
15 years ago
Two parallel plates, each with zero mass and an area of 10,000 cm2 are set 0.1 mm apart and the space between them is filled with a Newtonian fluid. The upper plate is pushed in the direction shown with a constant force sufficient to accelerate a mass of...
15 years ago
The great galaxy in Andromeda has an angular diameter along its long axis of about 5 degree. Its distance is about 2.2 million light years. What is its linear diameter?
15 years ago
Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3). The balanced equation is given below. C7H6O3 + C4H6O3 C9H8O4 + HC2H3O2 (a) What mass of acetic anhydride is needed to completely consume 4.40 102 g salicyl...
15 years ago
I was wondering if anyone could help me with these questions. I have put what I feel are the correct answers. Please let me know if I did ok & thanks. 1- A woman who recently came home from a tropical vacation now has abdominal pain and diarrhea. Her bloo...
15 years ago
I need help with a couple of questions. I have included what I think the answers are. Could you let me know how I did? 1- A woman who recently came home from a tropical vacation now has abdominal pain and diarrhea. Her blood test results show an elevated...
15 years ago
you have 4 blue crayons, 2 red and 3 orange, what is the probablity of pulling a red crayon and then an orange without replacement?
14 years ago
I need help with a few questions. Could you let me know if I'm going in the right direction. 1- CHAMPVA would be considered a primary payer for a patient who has ______ coverage. A- Medicaid B- fee-for-service C- Medicare D- SSI Answer: A 2- You should re...
14 years ago
If a quadrilateral has 4 congruent sides and congruent diagonals. Could it immediately be concluded to be a square?justify the answer. If not was is a counterexample
14 years ago
what's the difference between genetic engineering and gene splicing?
14 years ago
Serious is to careful as nervous is to____________
14 years ago
Carbon tetrachloride (CCl4) and benzene (C6H6) form ideal solutions. Consider an equimolar solution of CCl4 and C6H6 at 25°C. The vapor above this solutionis collected and condensed. Using the following data, determine the composition in mole fraction of...
13 years ago
A 0.12-mole sample of nitrogen gas occupies a volume of 2.55 L. What is the volume of 0.32 mol of nitrogen gas under the same conditions?
13 years ago
A light rope is wrapped several times around a large wheel with a radius of 0.435 m. The wheel? A light rope is wrapped several times around a large wheel with a radius of 0.435 m. The wheel rotates in frictionless bearings about a stationary horizontal a...
13 years ago
In February 2004, scientists at Purdue University used a highly sensitive technique to measure the mass of a vaccinia virus (the kind used in smallpox vaccine). The procedure involved measuring the frequency of oscillation of a tiny sliver of silicon (jus...
13 years ago
f(x) = (3x^3+5x^2+8x-8)/x find the derivative
12 years ago
A parallelogram ABCD has perimeter equal to 124. Let E be the foot of the perpendicular from A to BC, and let F be the foot of the perpendicular from A to CD. If AE=7 and AF=24, what is the area of the parallelogram?
12 years ago
A Car moving North at 9 m/s strikes a stationary car of equal mass. The first car moves off after the collision at an angle of 30 degrees West of North, with a speed of 6 m/s. What is the speed of the second car after the collision? My resources have poor...
11 years ago
What is the effective marginal tax rate of a government antipoverty program that guarantees every family a minimum income? Explain. Why might trying several antipoverty benefits to income level lead to an effective marginal tax rate of greater than 100 pe...
10 years ago
A student needs to mix 50 ml. of glycine with 950 ml. of distilled water. This student has only a 25 ml. graduated cylinder. How many times will the student have to use the cylinder both glycine and water to prepare the solution?
10 years ago
The difference between dysthymic disorder and major depressive disorder is that ________. A. Symptoms of Dysthymic disorder are usually less severe than those of major depression B. Symptoms of Dysthymic disorder are usually shorter than those of major de...
10 years ago
A sample of gas at 57oC and 1.02atm occupies a volume of 2.20L. What volume would this gas occupy at 107oC and 0.789atm?
9 years ago
A sample of gas at 57C and 1.02atm occupies a volume of 2.20L. What volume would this gas occupy at 107C and 0.789atm?
9 years ago
A sample of gas is collected by water displacement. The atmospheric pressure in the room is 757mmHg and the vapor pressure of water is 17.5mmHg. What is the partial pressure of hydrogen under these conditions?
9 years ago
Compare the diffusion rates of hydrogen and oxygen gases.
9 years ago
Explain the relationship between the various properties of gases including pressure, temperature, volume, amount of gas, molar mass, and particle speed.
9 years ago
What is the topic sentence of this paragraph from life without gravity?
8 years ago
Suppose you used a 300 Hz tuning fork to produce resonant frequency in a tube whose diameter is 3.0 cm. At what length of the tube will you the resonant frequency if the air temperature inside the tube is 25 C. Assume that the tube is closed at one end.
7 years ago
1. What volume of O¬2(g) is consumed in the combustion of 50.0 L of butane (C4H10) if both gases are measured at STP?
7 years ago
You want to purchase a new car in 8 years and expect the car to cost $21,000. Your bank offers a plan with a guaranteed APR of 5.5 % if you make regular monthly deposits. How much should you deposit each month to end up with $21,000 in 8 years? You sho...
6 years ago
Suppose you take out a 45-year $100,000 mortgage with an APR of 6%. You make payments for 2 years (24 monthly payments) and then consider refinancing the original loan. The new loan would have a term of 20 years, have an APR of 5.9%, and be in the...
6 years ago
A number game is played with a number cube and a number line. The figure shows a number line. The numbers on the number line range from negative 10 to 10 in increments of 1. When it is your turn, you roll the number cube twice. The first roll tells you ho...
6 years ago
A 7.10 percent coupon bond with 14 years left to maturity is priced to offer a yield to maturity of 7.9 percent. You believe that in one year, the yield to maturity will be 7.4 percent. What is the change in price the bond will experience in dollars? (Do...
5 years ago
solve and write in scientific notation 1.64x10^3+1.4x10^4+7.5x10^3
5 years ago
Explain the concept of trophic levels in an ecosystem and how it influences biomass distribution among the different species.
4 years ago
What is the name of the process by which plants take in sunlight, carbon dioxide, and water, allowing them to make sugar and oxygen? (1 point) transpiration absorption respiration photosynthesis
4 years ago
The Osage Indians were a sedentary tribe, which means they moved from place to place to find. True or False
4 years ago
Which of the following is the main idea of a story?(1 point) A. the idea that connects the story’s parts B. the message that the author expresses through key details in the text C. the qualities of the main characters D. the key details in a story***
4 years ago
What is the role of cellular respiration in living organisms?
4 years ago
Some types of algae can grow together with fungi. The fungi provide nutrients from decaying matter to the algae, while the energy the algae get from sunlight is shared with the fungi. Based on this information, how would you describe this relationship? (1...
4 years ago
Leaf-cutter ants cultivate fungus. The ants keep conditions optimal for fungus growth and carry leaf fragments for the fungus to grow on. Then, the ants feed on pieces of the fungus. Which kind of relationship exists between the fungus and the ants?(1 poi...
4 years ago
Pre-territorial Kansas refers to what time period in the state's history?
4 years ago
Translate this phrase into an algebraic expression. 51 less than twice Janelle's height Use the variable j to represent Janelle's height.
3 years ago
Answers
The following answers were posted by visitors named BB.
-3-4= -7 It doesn't seem right 2-2 0
17 years ago
Is this right for the third one? f(-2)=-2^2-7(-2)+10 f(-2)=-4-14+10 f(-2)=-8
17 years ago
I need to rewrite the function of x in the equation -3x+4y=11
17 years ago
Can you enlighten me as how to graph this equation? Thanks
17 years ago
Is this right if I substitute -2 for x? f(x)=x^2-7x=10 f(-2)=-2^2-7(-2)+10 f)-2)=-4-(-14)+10 f(-2)=-8
17 years ago
Thank you so much I came up with an answer of 28 after some struggling.
17 years ago
Is f(x) = 3 over 4x + 11 over 4 the correct answer? 3 over 4 is a fraction and 11 over 4 is a fraction.
17 years ago
I came up with f=-5, -7 and -1 and now I am lost. Thanks.
17 years ago
Would it be a solid line or a dotted line?
17 years ago
* Claim: Allowing guns on campus stops or deters school shootings. * Data: Recent school shootings (45 since '96) weren't stopped and no one else had a gun. * Warrant: If guns were allowed someone probably would have shot the perpetrators. * Backing: none...
17 years ago
What are key differences between the ontological, teleological, and cosmological arguments? Identify the philosopher who you think best supports his or her argument. The Ontological argument states that God exists in the understanding but not in reality....
15 years ago
thats wrong
13 years ago
i did the same way how you should me but i keep getting a wrong answer :/
13 years ago
that's a dumb question oh well 16
13 years ago
40,000 meters
12 years ago
The distance is 18.3. 6.3+4+3+5
12 years ago
1.06atm x 1.25L/250.0K 1.325/250.0K m=.0053
9 years ago
1.02atm x 2,20L = 078atm x V2 330K 380K 2.244/ 330=.0068? I'm lost.
9 years ago
Thanks!
9 years ago
Online Exam 8_07 Question 1 of 20 5.0/ 5.0 Points What type of hard drive does not require defragging? C. A solid-state drive hosting Windows 7 Question 2 of 20 5.0/ 5.0 Points How is a worm different from a virus? C. It doesn’t require human intervention...
9 years ago
You are configuring the local Windows Firewall on your Windows 7 computer. Which network category needs to have the most stringent rule set? A.Public You run a Defrag utility on your computer to see if you need to defrag your system volume. What fragmenta...
9 years ago
Thx just tryna to be helpful you are awesome
8 years ago
Thx so much Buttmunch just don't listen to them they are imature
8 years ago
Thx so much Homework Helper:) You are the best
8 years ago
Thx SkullCrusher95 I got a 100%
8 years ago
I really need it now
8 years ago
Thanks I got them all correct
7 years ago
Thx Aurora I saw Kylie's but thx
7 years ago
Doesn't matter Ms Sure she is still helping
7 years ago
Gosh!!
7 years ago
Thanks allie
7 years ago
Thx Lun and yes Isabelle
7 years ago
Yes I agree Anon and wiki is a untrustable website
7 years ago
Thanks ????? You are the best and I go to Connexus
7 years ago
Donut is right thx :)
7 years ago
Thank you.
7 years ago
whaaaaa...???
6 years ago
Hey! I think you made a mistake in 2B, remember that the derivative is (2^x/ln2), you multiplied by ln 2. Also, for 2A, graph the two functions and write down the three coordinates where the two graphs meet (-0.7667,-0.588), (2,-4), and (4,-16)
5 years ago
thx @school is cool and you know it!!!
4 years ago
Yes pls @alyssa
4 years ago
Please help me if I don't get this done now I'm not gonna do good in science.
4 years ago
thanks do you know the answers to the whole quick check?
4 years ago
Thank you guys so much for helping me
4 years ago
oh it is Plant Processes quick check lesson 3 unit 2
4 years ago
so name do you know the answers
4 years ago
If I don't get this done my dad is gonna be mad I already didn't get my other school work done fast enough so this will be the last straw. Please Help I really need this.
4 years ago
Thanks, @me I got 100%!!!
4 years ago
What are the answers to the whole test?
4 years ago
@Here is correct I got 100%. Thanks @Here!
4 years ago
Thanks, QT I got 100%.
4 years ago
OGWoofles is 100% correct. thanks, OGwoofles.
4 years ago
does anyone know the answers to the whole test
4 years ago
can someone please give me all the answers I have an F in math as well.
4 years ago
who actually wrote about it back then
4 years ago
@helpful is 100% correct. Thanks
4 years ago
What are the answers to the whole test
4 years ago
100% thanks @Helper
4 years ago
@Kate is 100% correct thanks Kate!!!
4 years ago
Another year has passed and no help thanks a lot.
4 years ago
Aang is ma bae is right, i got a 5/5
2 years ago
Sunday
2 years ago