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Naddik [55]
3 years ago
11

A ladder 15 feet from the base of a building reaches a window that is 35 feet high. What is the length of the ladder to the near

est foot?
Mathematics
1 answer:
nikdorinn [45]3 years ago
7 0
All you do is use the a+b=c formula lets plug it in
15+b=35
15+20=35
35=35
The answer is 20
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She would have about 30 minutes of extra time
5 0
2 years ago
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3x + ky = 8
djyliett [7]

Answer:

a) 3x + ky = 8

ky = 8 - 3x

x – 2ky = 5

x - 2(8 - 3x) = 5

x - 16 + 6x = 5

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3 0
3 years ago
Candice is preparing for her final exam in Statistics. She knows she needs an 74 out of 100 to earn an A overall in the course.
Salsk061 [2.6K]

Answer:

Hence the correct option is option b) Yes, the upper level of one standard deviation is 72.

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Step-by-step explanation:

Here the given details are,

Mean = 68  

SD = 4  

Distribution is normal.  

Z-score for x = 74 is given as below:  

Z = (X - mean)/SD\\Z = (74 - 68)/4\\Z = 1.5  

So, the score of 74 is 1.5 standard deviations from the mean.  

Mean + 1\timesSD = 68 + 1\times4 = 72Mean - 1\timesSD = 68 - 1\times4 = 64  

Therefore the score is not lies between 64 and 72.  

Yes, the upper level of one standard deviation is 72.  

3 0
3 years ago
The circumference of a circle is 16\pi16π inches. What is the radius of the circle?
laiz [17]

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4 0
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3 years ago
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