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Andrej [43]
3 years ago
12

Susan is 3 years more than twice her brother’s age. If her brother is m years old, which expression describes Susan’s age?

Mathematics
1 answer:
Arlecino [84]3 years ago
5 0

Answer:

2x+3

Step-by-step explanation:

Since her brother is m years old, you would have to multiply her brother's age by 2 since the question says "...twice here brother's age." This part would equal to the equation 2x. The question also says " ...3 years more..." This would change the equation with the addtion of 3. The completed problem would then be 2x+3. Hope this helped!

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Somebody help pls:)))
netineya [11]
Answer: 5.4

--------------------------------------

Explanation:

Angle D = 43 is the given reference angle
side FE = 5 is the side opposite the reference angle (since its the leg furthest away from angle D)

We want to find side DE which is the other leg. This is the adjacent side with angle D as the reference angle

Use the tangent rule

tan(angle) = opposite/adjacent
tan(D) = FE/DE
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