Factorise
by - cy - b - cā...
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Mathematics, 21.06.2019 12:30
Which shows one way to determine the factors of x3 + 5x2 ā 6x ā 30 by grouping? x(x2 ā 5) + 6(x2 ā 5)x(x2 + 5) ā 6(x2 + 5)x2(x ā 5) + 6(x ā 5)x2(x + 5) ā 6(x + 5)
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Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml
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Mathematics, 21.06.2019 22:00
You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?
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