Mathematics, 22.05.2020 10:59, sonyav732
1) If a and b are positive integers such that a×a = b×b+ 15, what is the greatest possible value of a?
2) Alex expresses a number in the form 4x + 5. Brian expresses the same number as 6x − 7. If Jack wants to express this number in the form 5x - d, what would be the value of d ?
3) If all the diagonals of a decagon are drawn at how many points they will intersect ?
Answers: 1
Mathematics, 21.06.2019 20:00, tessafargo
Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.
Answers: 1
Mathematics, 22.06.2019 01:00, cherri22
Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?
Answers: 2
1) If a and b are positive integers such that a×a = b×b+ 15, what is the greatest possible value of...
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