Mathematics, 07.02.2021 01:40 jchidwic
Henry was thinking of a number. Henry doubles it, then adds 4 to get an answer of 43.5. What was the original number
Answers: 1
Mathematics, 21.06.2019 22:30
Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y
Answers: 2
Mathematics, 21.06.2019 22:30
If you prove that âwxz is congruent to âyzx, which general statement best describes what you have proved?
Answers: 3
Mathematics, 22.06.2019 00:30
What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r â 1, where a1 is the first term and r is the common ratio
Answers: 1
Mathematics, 22.06.2019 01:40
At wind speeds above 1000 centimeters per second (cm/sec), significant sand-moving events begin to occur. wind speeds below 1000 cm/sec deposit sand and wind speeds above 1000 cm/sec move sand to new locations. the cyclic nature of wind and moving sand determines the shape and location of large dunes. at a test site, the prevailing direction of the wind did not change noticeably. however, the velocity did change. fifty-nine wind speed readings gave an average velocity of x = 1075 cm/sec. based on long-term experience, Ď can be assumed to be 245 cm/sec. (a) find a 95% confidence interval for the population mean wind speed at this site. (round your answers to the nearest whole number.) lower limit cm/sec upper limit cm/sec
Answers: 2
Henry was thinking of a number. Henry doubles it, then adds 4 to get an answer of 43.5. What was the...
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