math
Hello. I am having a little bit of touble with algebra, distributive property. The question is -20 (19-a) can you please help?! Thanks!
Spanish
I need to decide if these capitalized words are preterite or imperfect and I just don't get it. Could someone help me out please? Here is the story: I need help with this story. Could you please tell me if the words that are in all CAPITAL letters are preterite or imperfec...
algebra
determine the given quadratic function has a minimum valueor maximum vale. Then find the coordinates of the minimum or maximum point. f(x)=x^2=2x-9
Intro to Computer Engineering
When solving 5x^2-50x+125=0, a space alien got x=8 for one of the two roots. What possible base could the alien be using? (Note: the coefficients are also in this base. That is 5,50,125 are all in this mystery base as well)
Chemistry
The program still states this is incorrect
Chemistry
You carry out an exothermic reaction inside a Styrofoam cup calorimeter, using a temperature probe to monitor the temperature throughout the reaction. You find that the temperature increases 7.40 °C during the reaction. The specific heat of the reaction solution is known t...
math
write the hidden question or questions in the problem Billy Bob wins $500 in a school raffle. He decides to keep $120 for himself, give $60 to charity, and divide the rest equally among his 5 brothers & sisters. How much will each brother zor sister Recieve from billy bob?
Biology
In a population of jaguars, a gene with two alleles encodes the fur color. Allele B causes melanism (dark fur) and is dominant over allele b, which results in light colored fur. Suppose that there is a migration event, producing a population with 60% BB, 20% Bb and 20% bb indi...
Pre calc
Please finish y+7=6/7x-30/7
Physics
a) If the lizard has a specific heat of 4.2 J/(g x C), what is rate of increase of the lizard’s temperature? (b) Assuming that there is no heat loss by the lizard (to simplify), how long must the lizard lie in the sunlight in order to raise its temperature by 5.0 C?
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