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2 years ago

A watch is sold for $139 at a loss of $30. What was the original cost of the watch?

Mathematics

2 answers:

antiseptic1488 [7]2 years ago

7 0

Answer:

$169

Step-by-step explanation:

bearhunter [10]2 years ago

3 0

Answer:

$169

Step-by-step explanation:

3 + 3 = 6

139

030

--------

169

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Question 8 of 10 What is sin 30º? 60 2 901 D A B. c.. () E. E )

levacccp [35]

Answer:

A. $\displaystyle \frac{1}{2}$

General Formulas and Concepts:

Trigonometry

[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] sinθ = opposite over hypotenuse

Step-by-step explanation:

Step 1: Define

sin 30°

Step 2: Solve

Since sin is opposite over hypotenuse, we need to find the length of the opposite leg of the angle and the length of the hypotenuse.

Given the triangle and it's values, the opposite leg to the 30° angle is 1 and the hypotenuse is 2.

Substituting it into sin, we have:

sin 30° = 1/2 = 0.5

∴ our answer is A.

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Step-by-step explanation:

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Read 2 more answers

John had $200 in his bank account. He made a purchase at the grocery store that was $1.50 more than he had in his account. Selec

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Answer: on the number line put -1.50 (1 and a half (1 1/2))

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$1.50 more than his account is $200.

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