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anygoal [31]
2 years ago
8

A line a slope of 4 and includes the points (-5,7) and (w-9). What is the value of w?

Mathematics
1 answer:
kolezko [41]2 years ago
7 0

Answer:

The value of w is -9.

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-9-7)/(w-(-5))

m=-16/(w+5)

-16/(w+5)=4

w+5=-16/4

w+5=-4

w=-4-5

w=-9

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The answer is the mean, mode, and median increases by 4, the range of times is the same.

Week 1:                                              Week 2:
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Bob          19                                       </span>Bob          23<span>
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Rosario    17                                        </span>Rosario    21<span>
Antoine    10                                       </span>Antoine    14<span>
Julio         16                                       </span>Julio         20<span>
Maria        13                                       </span>Maria        17<span>

The mean is the sum of all values divided by the number of values:
Week 1: (19 + 10 + 15 + 17 + 10 + 16 + 13)/7 = 100/7 = 14.28
Week 2: (23 + 14 + 19 + 21 + 14 + 20 + 17)/7 = 128/7 = 18.28
The difference in means between Week 2 and Week 1 is 4 (18.28 - 14.28 = 4)

The median is the middle value. To calculate, first rearrange values from the lowest to the highest and then find the middle value:
Week 1: 10, 10, 13, 15, 16, 17, 19            - The median is 15.
Week 2: 14, 14, 17, 19, 20, 21, 23          - The median is 19.
The difference in medians between Week 2 and Week 1 is 4 (19 - 15 = 4)

The mode is the value that occurs most frequently.
</span>Week 1: 10, 10, 13, 15, 16, 17, 19            - The mode is 10.
Week 2: 14, 14, 17, 19, 20, 21, 23          - The mode is 14.
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The range of times is the difference between the highest and the lowest value.
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