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Ipatiy [6.2K]
3 years ago
14

Exit Which answer choice correctly identifies the extraneous information in the word problem below? Makita helped her 4 younger

brothers with their homework. Her aunt was so impressed with the way Makita helped her brothers and offered to pay Makita $10.00 an hour to help her nephew with his homework. If Makita helps her nephew with his homework for 2 hours on Wednesday and 1 hour on Thursday, how much money did she earn? A. Makita helped her nephew with his homework for a total of 3 hours. B. How much money did she earn? C. Makita helped her 4 younger brothers with their homework. D. Makita's aunt is paying $10.00 an hour.
Mathematics
1 answer:
Pavel [41]3 years ago
7 0

Answer:

C. Makita helped her 4 younger brothers with their homework.

Step-by-step explanation:

Extraneous information is the information which is not needed to solve the question. In this Makita helped 4 brothers is extraneous information because it does not solve the question asked. The question asked is how much did she earn? For this we need to know that she worked a total of 3 hours. Her aunt paid her $ 10.00 per hour. But it has nothing to do with her brothers.

And ofcourse the question asked how much did she earn cannot be extraneous information itself.

Option C shows the extraneous information.

Option A, B and D are required in the question to answer.

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Answer:

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Step-by-step explanation:

We are going to take the definition of all the terms and then deduced our correct answer.

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3 years ago
In ABC, and intersect each other at point Q. According to a theorem on medians, Q divides in the ratio 2 : 1. What are the coord
Flauer [41]
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since Q is the center of gravity of the triangle ABC, so we have the following vector relationship
vecQA +vecQB +vecQC =<span>vec0
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</span><span>vecQB=(x-1, y+5)
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so, vecQA +vecQB +vecQC =<span>vec0 is equivalent to 

</span>x-3 +x-1+x-7 =0, and y+2+y+5+<span>y+5=0 so 3x-11=0 implies x=11/3
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b = y-intercept = 3

<em>So the equation will be y = -1x + 3, or y = -x + 3</em>

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