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Question 1062982: A rocket leaves earth for the sun at a speed of 28,800 mph. At the same time a photon of light leaves the sun for the earth. If we assume they are on flight paths that allow them to meet, how far will the rocket be from earth when the photon of light hits it? (Assume a distance of 93,000,000 miles to the sun and round your answer to the nearest thousand miles.) (A rocket launched from earth will gradually build speed. For this problem, we will assume that the rocket travels at 28,800 mph the instant it leaves earth.)
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 1063010: salary data was collected from each school system within a state. it was found that the mean annual teacher salary was normally distributed. the mean annual teacher salary for all of the school systems was $35,000 and the standard deviation was $19,500. school system a has a mean annual teacher salary of $47,500. what percent of the school systems pay a lower mean annual teacher salary than school a?
Click here to see answer by stanbon(75887) |
Question 1063060: _+_+_=30
(,1, ,3, ,5, 7, ,9, ,11, ,13, 15)no.also repeat
Click here to see answer by Fombitz(32388)  |
Question 1063129: When you verify a trigonometric identity, what step should NOT be taken?
A.) Simplifying the most complicated side of the identity 1st.
B.) Set the identity = to then solve for the variable.
C.) See if you can factor an expression, square a binomial, add fractions, or make a one-term denominator.
Thanks.
Click here to see answer by josgarithmetic(39613) |
Question 1063173: How would you verify the identify of sec y cos ?
https://s28.postimg.org/xk6z26a0d/How_would_you_verify_the_identify_of_sec_y_cos_y.png
A.) 1 + tanēu = secē u
B.) cos u = 1/sec u
C.) cot u = sin u/cos u
D.) sec(-u) = sec u
Thanks.
Click here to see answer by Fombitz(32388)  |
Question 1063247: Hi,
Please help with this slope question on my test! Thanks much!
In your own words, explain how you could tell whether (-5,2), (-1,0), and (3,-2) lie in the same line.
Thanks and please be very specific and add details! I appreciate it!
Click here to see answer by josgarithmetic(39613) |
Question 1063244: Hi please help with the slope question on my test! Thank you much!
1) Write the equation of a line that passes through the points (4,3) and (8,2). Describe the steps you took to form the equation.
Please be very specific and add lots of detail! Thanks again!
Click here to see answer by josgarithmetic(39613) |
Question 1063304: A small firm intends to increase the capacity of a bottleneck operation by adding a new machine.
Two alternatives, A and B, have been identified, and the associated costs and revenues have been
estimated. Annual fixed costs would be $40,000 for A and $30,000 for B; variable costs per unit
would be $10 for A and $11 for B; and revenue per unit would be $15.
a. Determine each alternatives break-even point in units.
b. At what volume of output would the two alternatives yield the same profit?
c. If expected annual demand is 12,000 units, which alternative would yield the higher profit?
Click here to see answer by Boreal(15235)  |
Question 1063303: A manager is trying to decide whether to purchase a certain part or to have it produced internally.
Internal production could use either of two processes. One would entail a variable cost of $17 per
unit and an annual fixed cost of $200,000; the other would entail a variable cost of $14 per unit
and an annual fixed cost of $240,000. Three vendors are willing to provide the part. Vendor A has
a price of $20 per unit for any volume up to 30,000 units. Vendor B has a price of $22 per unit for
demand of 1,000 units or less, and $18 per unit for larger quantities. Vendor C offers a price of $21
per unit for the first 1,000 units, and $19 per unit for additional units.
a. If the manager anticipates an annual volume of 10,000 units, which alternative would be best
from a cost standpoint? For 20,000 units, which alternative would be best?
b. Determine the range for which each alternative is best. Are there any alternatives that are never
best? Which?
Click here to see answer by ikleyn(52754)  |
Question 1063502: lucia travels from point A to point B at 100km/h. Jane leaves at the same time as Lucia, travelling from point B to point A at 50km/h. The distance from A to B is 100km.How long after the two leave will they meet on the road?
Click here to see answer by ikleyn(52754)  |
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