Mathematics, 13.03.2020 02:25, zahradawkins2007

Kevin has these four number cards: 3 5 7 and 9. the mean is 6 he takes another card. 3 5 7 9 ‘?’. the mean of the 5 cards is still six. what number is on the new card?

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:00, tejasheree

Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.

Answers: 2

continue

Mathematics, 21.06.2019 17:30, kleshead

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

Answers: 3

continue

Mathematics, 21.06.2019 17:30, gungamer720

Nine more than four times a number is the same as one less than twice the number. find the number?

Answers: 1

continue

Mathematics, 21.06.2019 20:30, nininichole431

Me n o w. i need t h i s. 10 points

Answers: 1

continue

Do you know the correct answer?

Kevin has these four number cards: 3 5 7 and 9. the mean is 6 he takes another card. 3 5 7 9 ‘?’. th...