precalculus
Can someone verify if my answer is right? 1. Which function has a negative average rate of change on the interval 1<x<4 a) f(x) = x^2 - x - 1 b) g(x) = 1.6x - 2 c) h(x) = -x^2 + 9 d j(x) = -3 I picked d, because I subsitute all the numbers for all letters and the only ne...
precalculus
How do you do this question? 1. A speed versus time graph shows the segment from (3, 4) to (8,4). The units for the vertical axis are m/s. If the object whose speed was being graphed is 8 m away from the point from which measurements are made at t= 3s, how far away is the obje...
algerbra2
find the eighth term of a sequence whose first three term are 13,6,-1
algebra
how do you do this problem? perform indicated operation write answer as a fraction, simplify. 1/11+ 5/6
English-Please recheck
I know the answer for the second one-it is ABCB but I'm not sure what that other website was suppose to tell me- I read it but I still have a question about number 1-Wild Night! Wild Night! I've eliminated internal rhyme but I'm not sure is that an example of caesu...
English
We're studying a Dickinson poem Wild Nights-- I have a question Wild Nights--Wild Night! Were I with thee 1. Is that an example of an internal rhyme, slant rhyme, alliteration or caesura? 2. The poem has two stanzas that are ABBA and then two ABCB and ABCB What best descri...
chemistry
if you have 0.454 grams of sulfur trioxide, how many moles does this represent? how many molecules? how many oxygens atoms?
chemistry
Calculate the standared enthalpy of formation of solid Mg(OH)2 given the following data: 2Mg(s) + O29(g) →2MgO(s) ∆H = -1203.6kJ Mg(OH)2(s) →MgO(s) + H2O(l) ∆H= +37.1kJ 2H2(g) +O2(g) →2H2O(l) ∆H = -571.7kJ
Chemistry
At 20 C (approximately room temperature) the average velocity of N2 molecules in air is 1050 mph. What is the velocity of a molecule of N2? What is the kinetic energy of a N2 molecule with this velocity? What is the kinetic energy of a mole of N2? I know that the velocity is 4...
Spanish-7th grade-Please check my answers
Thank you so much for checking these
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