Mathematics, 23.07.2019 11:50 sweeney1
One plane can travel 10 miles per hour faster than another. one of them goes 405 miles in the same time it takes the other to go 390 miles. what are their speeds?
Answers: 1
Mathematics, 21.06.2019 15:00
The triangles are similar. what is the value of x? show your work.
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Mathematics, 21.06.2019 17:50
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
Answers: 2
Mathematics, 21.06.2019 19:00
What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)
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Mathematics, 21.06.2019 23:00
Solve the system of equations using the substitution method. {y=β3x+7x=β2yβ16 enter your answers in the boxes.
Answers: 1
One plane can travel 10 miles per hour faster than another. one of them goes 405 miles in the same t...
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