Mathematics, 10.01.2020 20:31 tennispro154
David told jen, "write three two-digit numbers. i'll add three more and give you the sum right away." jen wrote 53, 42, and 31. then david wrote 46, 57, and 68 and said the sum was 297. was he right? what pattern did he use?
Answers: 1
Mathematics, 22.06.2019 08:30, jholland03
The diagram shows the lengths of corresponding sides of similar triangles a'b'c' and abc. which expression gives the perimeter of a'b'c'? a. 4(4 + b + c) b. 2(a + b + c) c. 4(a + b + c) d. 8(a + b + c)
Answers: 1
Mathematics, 22.06.2019 09:30, jonathanLV6231
Adam bought a apples for $1.50 each and b oranges for $2 each. he spent 1.50a+2b dollars. what does 2b represent?
Answers: 2
David told jen, "write three two-digit numbers. i'll add three more and give you the sum right away....
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