Mathematics, 02.01.2020 09:31 19deleonl
Sam has a phone card that charges $1 to connect and $0.50 per minute. he also uses a cell phone that charges $3 to connect and $0.25 per minute. in how many minutes will calls made using the phone card and the cell phone cost the same?
Answers: 3
Mathematics, 21.06.2019 13:40
How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence
Answers: 3
Mathematics, 21.06.2019 16:30
Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?
Answers: 3
Mathematics, 21.06.2019 19:00
What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)
Answers: 2
Mathematics, 21.06.2019 19:00
Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?
Answers: 3
Sam has a phone card that charges $1 to connect and $0.50 per minute. he also uses a cell phone that...
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