Question

Joy is training for a triathlon. she runs a distance of 2x miles, cycles a distance of (x2 7) miles, and swims a distance of (x − 2) miles. which simplified expression is equivalent to the total distance, in miles, joy covers? x2 3x 5 x2 3x 9 3x2 5 3x2 9

Answer 1

The simplified expression that is equivalent to the total distance, in miles, Joy covers is (A) x² + 3x + 5 miles.

What is an expression?

• An expression or mathematical expression is a finite combination of symbols that is well-formed according to context-dependent norms.

To find the simplified expression:

Given -

• Distance cycled = x² + 7 miles
• Distance ran = 2x miles
• Distance swam = x - 2 miles

Thus,

• Total distance she covers = x² + 7 + 2x + x - 2
• Total distance = x² + 3x + 5 miles

Therefore, the simplified expression that is equivalent to the total distance, in miles, Joy covers is (A) x² + 3x + 5 miles.

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The complete question is given below:
Joy is training for a triathlon. She runs a distance of 2x miles, cycles a distance of (x2 + 7) miles, and swims a distance of (x - 2) miles. Which simplified expression is equivalent to the total distance, in miles, Joy covers?

(A) x2 + 3x + 5

(B) x2 + 3x + 9

(C) 3x2 + 5

(D) 3x2 + 9

Answer 2

Answer:

The person on top is right.

ITS A

Step-by-step explanation: