Solve each system of equations by using substitution
emily has a total of 20 dimes and...
Mathematics, 06.11.2019 04:31 aROSSconpollo
Solve each system of equations by using substitution
emily has a total of 20 dimes and nickels. if the dimes were nickels and nickels were dimes she would have 20 cents less than
she has now. how many of each coin does she have?
Answers: 3
Mathematics, 21.06.2019 17:30
Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125
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Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?
Answers: 3
Mathematics, 21.06.2019 19:00
What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)
Answers: 2
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