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wariber [46]
3 years ago
14

Line c passes through points (2, 1) and (6, 6). Line d is parallel to Line c. What is the slope to line d?

Mathematics
1 answer:
Lilit [14]3 years ago
8 0

Answer:

\frac{5}{4}

Step-by-step explanation:

We need to find the formula of line c

\left \{ {{a*2+b=1} \atop {6*a+b=6} \right.

Subtract these two

-4*a=-5

a=\frac{5}{4}

And lies c and d will be paraller if a_{c}= a_{d}

so a_{d}=\frac{5}{4}

And that's the slope to line d

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20) In a recent poll of 1200 randomly selected adult office workers, 32% said they had worn a Halloween costume to the office at
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Answer: Option 'c' is correct.

Step-by-step explanation:

Since we have given that

n = 1200

x = 32% of 1200

So, \hat{p}=32\5=0.32

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so, z = 1.96

So, margin of error would be

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So, Interval would be

\hat{p}\pm \text{margin of error}}\\\\=0.32\pm 0.0263\\\\=(0.32-0.0263,0.32+0.0263)\\\\=(0.2937,0.3463)\\\\=(0.294,0.346)\\\\=(29.4\%,34.6\%)

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6 0
3 years ago
A toy car can go 5 mph. How long would it take to go 7 miles?
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Answer:

by the way what grade are you in? If you are more than 7th grade can you help me? brainly.com/question/16233847

35 mph

Step-by-step explanation:

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snow_tiger [21]

Answer:

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Read 2 more answers
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