greeny
This page lists questions and answers that were posted by visitors named greeny.
Questions
The following questions were asked by visitors named greeny.
find the exponential function of the form y=ab^x whose graph passes through the points (4,6) and (7,10) i got a=3.04 and b= 1.185 so my equation is y=3.04(1.185)^4 is this correct? one more problem. find a power function of the form y=ax^b whose graph pas...
13 years ago
2^x+1 =9 how do i solve for this? thanks!
13 years ago
ln(2x-5)= 4 how do i this problem? thanks!
13 years ago
What was the impact of the Open Door Policy in China? Did it broaden the gap between the rich and the poor in china?
13 years ago
What was the difference in early settler's relationship with Native Americans between early Virginia and New England?
13 years ago
If a neutral solution of water, with pH = 7.00, is heated to 50 deg C , the pH drops to 6.63. Does this mean that the concentration of [H+] is greater than the concentration [OH-]of ?
13 years ago
for solutions of a weak acid, a graph of pH versus the logarithm of the initial acid concentration should be a straight line. What is the magnitude of the slope of that line?
13 years ago
Did people in Virginia convert Native Americans to Christianity?
13 years ago
im a bit confused on how and why surface tension and viscosity decrease with increasing temperature?
13 years ago
Using the given zero, find all the zeroes and write a linear factorization of f(x) 1 + i is a zero of f(x)= x4-2x^3-x^2 + 6x -6 I did synthetic division and I got that it wasn't a zero?
13 years ago
Aspirin, C9H8O4, is produced from salicylic acid, C7H6O3, and acetic anhydride, C4H6O3: C7H6O3 + C4H6O3 --> C9H8O4 + HC2H3O2 a. How much salicylic acid is required to produce 1.5 x 10^2 kg of aspirin, assuming that all of the salicylic acid is converted t...
13 years ago
how many different positive four-digit integers can be formed if the first digit must be 2, the last digit cannot be zero, and digits may be repeated? I know the answer is 900 but I'm not sure how I would get the answer? thanks!
13 years ago
the combustion of 1.83 grams of a compound which only contains C,H, and O yields 4.88 grams of CO2, and 1.83 grams of H2O. What is the empirical formula of this compound? ------------------------------------------ 4.88 g CO2 x 1 mol CO2/44.01 g CO2 x 2 mo...
13 years ago
sodium + water —>? how do you predict the products? I got sodium oxide + hydrogen instead of sodium hydroxide + hydrogen, which is the answer.
13 years ago
A sample of an alcohol is tested and found to contain 52% carbon, 35% oxygen, and 13% hydrogen by mass. Tests indicate that the molecular weight of the molecule is between 30 and 80. What is the molecular formula of the alcohol?
13 years ago
over the years, the thermite reaction has been used for welding railorad rails, in incendiary bombs, and to ignite solid fuel rocket motors. The reaction: Fe2O3(s) + 2 Al (s) -> 2 Fe(l) + Al2O3 (s) What masses of iron ( III) oxide and aluminum must be use...
13 years ago
which pair of atoms represent nuclei that have the same number of neutrons? a Co36 and Co 58 b. Mn57 and Fe 57 c. Ni 58 and Fe 57 d. Ni 58 and Co 57 e. Ni 59 and Fe 56
13 years ago
2C2H6(g) + 7O2 -> 4CO2 (g) + 6 H2o (g) What quantity of reactant remains after ignition of a mixture that contains 0.40 moles of C2H6 mixed with 1.60 moles of O2? ( assume maximum reaction according to the equation above)
13 years ago
the wheel ( including the tire) of a sports car under development by one of the Big Three auto companies has an 11 in radius. what would be the car's speed in miles per hour if its wheel are turning 800 rpm? ------------------- 800 rev/ 1 min x 60 min/ 1...
13 years ago
a building cast a shadow approximately 130 ft long on the street when the suns ray form an 82.9 degree angle with the earth. how tall is the building? 180-82.9-90= 7.1 degree tan 7.1 = x/130ft x= 16.19ft is this correct? thanks!
13 years ago
describe the structure of the central(federal) government under the Articles of Confederation. What revolutionary principles were enacted though this structure? Why did the structure fail to created an enduring government? --------------------------------...
13 years ago
the function is one of the form y=g(x) +cosbx. find two linear functions y1 and y2 related to g such that y1 is less than or equal to y is less than or equal to y2. a. y= 2x + cos x b. y= 1-0.5x+ cos2x
13 years ago
a windshield wiper on a a plymouth acclaim is 20 in. long and has a blade of 16in long. if the wiper sweeps through an angle of 110 degree, how large an area does the wiper blade clean?
13 years ago
solve for x in the interval zero to two pi. 2 sin 4x = 1 i got 5 pi/24 and pi/ 24 but my teacher said that there should be eight solutions. what would those be and how would i find it"
13 years ago
I'm writing an essay and I keep using opportunities, accusations, and believe a lot. Are there any other words similar to this one?
13 years ago
Spatial depths of being survive The birth to death recurrences Of feet dancing on earth of sand; Vibrations of the dance survive The sand; the sand, elect, survives The dancer. He can find no source Of magic adequate to bind The sand upon his feet, his fe...
12 years ago
Answers
The following answers were posted by visitors named greeny.
sorry, the plus one is part of the exponent 2^(x+1) =9 is it possible to move the 1 to the otherside still?
13 years ago
oh yeah, I forgot about the conjugates! thanks! One more question, how do i divide x^4-2x^3-x^2+6x-6 by x^2-2x+2 using synthetic division?
13 years ago
Thanks!
13 years ago
After I did everything, I got the empirical formula to be C2 H5.8 O?
13 years ago
52.36 mi / hr
13 years ago
so i think he talks about himself as a dancer who tries to find his idenity through his own work. And he doesn't want to sink into the sand. is there anything else?
12 years ago
what does it mean by his diamond body of his being?
12 years ago