Which expression shows the result of applying the distributive property to -2(1/3x - 1/5)

Mathematics

2 answers:

enot [183]4 years ago

7 0

Answer:

It would be -2/3x+2/5

Step-by-step explanation:

Lesechka [4]4 years ago

4 0

Answer:

-2 * (1/3x - 1/5)

-2 * 1/3x - 2 * (- 1/5)

-2 * 1/3x + 2 * 1/5

-2/3x + 2/5

Answer D is correct.

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Rectangle QRST has vertices located at Q(-9, -3), R(-1,-1), S(0,-5) and T(-8, -7). What is the length of side ST?

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Answer:

$\huge\boxed{\sf |ST| = 8.2 \ units}$

Step-by-step explanation:

S = (x1,y1) = (0,-5)

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Using distance formula to find the length of ST.

$|ST|= \sqrt{(x_2-x_1)^2+(y_2-y_1)^2} \\\\|ST| = \sqrt{(-8-0)^2+(-7-(-5))^2} \\\\|ST| = \sqrt{(-8)^2+(-7+5)^2} \\\\|ST| = \sqrt{64+(2)^2}\\\\|ST| = \sqrt{64+4} \\\\|ST| = \sqrt{68} \\\\|ST| = 8.2 \ units\\\\\rule[225]{225}{2}$