Mathematics, 15.09.2019 19:10 ginareyes0423
1.if cos x+cos y=1, sec x+sec y=4, what is the value of x+y? (the range of x and y are both 0 to 180degree.
2.if sin-1 a=2cos-1 b, find 4b^2(1-b^2).
3.if k is an integer which satisfies the equation 2(sin x)^2+ 10(cos x/2)^2=7-2k then what is the range of k?
4.the question is on the top(fig 1
Answers: 1
Mathematics, 21.06.2019 13:50
Jayda's house is located at (1, 5). she can walk in a straight line to get to cristian's house. a fast-food restaurant is located at (11, 0) and partitions the way from jayda's house to cristian's house by a ratio of 5: 1. find the coordinate of cristian's house. me . im a little stuck
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Mathematics, 21.06.2019 15:00
Mindy bought 5/8 pound of almonds and a 3/4 pound of walnuts.which pair of fraction cannot be used to find how many pounds of nuts she bought in all.
Answers: 2
Mathematics, 21.06.2019 16:30
Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation
Answers: 3
1.if cos x+cos y=1, sec x+sec y=4, what is the value of x+y? (the range of x and y are both 0 to 18...
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