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sveta [45]
2 years ago
7

Which of the following is(are) the solution(s) to |5x+2|=8

Mathematics
2 answers:
kondor19780726 [428]2 years ago
7 0

Answer:

A

Step-by-step explanation:

|5x+2|=8 this mean that:

5x+2=8 and 5x+2=-8

5x+2-2+8-2 and 5x+2-2=8-2

5x=6 and 5x=-10 then divided both sides by 5

x=6/5 and x=-2

iren [92.7K]2 years ago
6 0

Option A.

Hope it helps.

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Afina-wow [57]

Answer:

b² = a² + c² - 2ac cos B

Step-by-step explanation:

The cosine rule can be use when you are given three sides of a triangle and ask to find any angle or when you are given two sides and a included angles(the angle between the two sides given) and ask to find the length of a side.

The equation Sophia can use to solve for the side length(b) of a triangle when given two length and the included angle can be expressed below. Sophia was given two sides and an included angle and was asked to find a side length b.

For sides a, b and c the cosine rule can be represented below

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The equation required base on your question is

b² = a² + c² - 2ac cos B

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3 years ago
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