Algebra
Find the coordinates of the vertex and determine whether the graph opens up or down. y=-x^2+x-5
Statistics
A certain lottery is won by selecting the correct four numbers from 1,2....30. The probability of winning if the rules are changed so that in addition to selecting the correct four numbers you must now select them in the same order as they are drawn?
Physics
Show that 480 W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2 m in a time interval of 1.5 s.
Probability
If I have a bag filed with 6 marbles, 2 blue marbles, and 4 yellow marbles, and I had to pick one from the bag, what is my sample space?
Probability
If I have a bag filed with 6 marbles, 2 blue marbles, and 4 yellow marbles, and I had to pick one from the bag, what is my sample space?
Probability
If I have a bag filed with 6 marbles, 2 blue marbles, and 4 yellow marbles, and I had to pick one from the bag, what is my sample space?
Chemistry
Calculate the volume of 1.0 M copper(II) sulfate solution required to completely react with 1.0 g of Fe(s) according to this equation: 2 Fe(s) + 3 Cu^2+ (aq) --> 2 Fe^3+ (aq) + 3 Cu (s). the copper in the reactant has a charge of 2+ and the iron in the product has a charge ...
Anatomy and Physiology II
1. Which answer below includes all the phases of respirations? A. Breathing, pulmonary ventilation, gas transport, and cellular respiration B. Pulmonary ventilation, external respiration, internal respiration, and gas transport C. Inhalation, external respiration, gas transpo...
Anatomy and Physiology II
A 45 year-old female has thyroid disease. Because specific prosperities of the thyroid gland classify it as an endocrine organ, you conclude that this disease is an endocrine disease. Which answer below best describes the properties that classify the thyroid as an endocrine gl...
math
1.) $850 plus 8% on sales of $8,000 2.) $1,200 plus 4.5% on sales of $6,500 3.) You purchase 9 1/2 yards of fabric at $11.00 per yard. If there is a 7% salesb tax, what is the total cost of the fabric
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