Which is a valid proportion?
3 21
O4 - 28
5 29
5 - 30
4
O 7-49
...
Mathematics, 22.10.2020 03:01 tlily2480
Which is a valid proportion?
3 21
O4 - 28
5 29
5 - 30
4
O 7-49
16
49
2 12
5 15
Answers: 3
Mathematics, 21.06.2019 20:30
Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, yโ12, z). find x, y, and z. there are 2 sets.
Answers: 1
Mathematics, 21.06.2019 20:30
Daryl factors the polynomial p(x)=x3+x2โ26x+24 to rewrite it as p(x)=(x+6)(xโ4)(xโ1). which equations must be true? there may be more than one correct answer. select all correct answers. p(1)=0 p(โ4)=0 p(โ1)=0 p(6)=0 p(4)=0 p(โ6)=0
Answers: 1
Mathematics, 22.06.2019 00:30
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
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