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3 years ago

I neeeeeeeeeed help

Mathematics

2 answers:

Nikolay [14]3 years ago

4 0

Answer:

its a

Step-by-step explanation:

faltersainse [42]3 years ago

3 0

Answer:

The picture won't show and second me too

Step-by-step explanation:

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Josh is hiking Glacier National Park. He has now hiked a total of 17 km and is 2 km short of being 1/2 half of the way done his

katovenus [111]

What is the question? If it is how long is the total hike, then 17+2=19 (that’s half way).

19x2 =38. 38k is the total round trip of the hike.

4 0

3 years ago

Read 2 more answers

What is the arc measure, in degrees, of major arc \stackrel{\large{\frown}}{ADC} ADC ⌢ A, D, C, start superscript, \frown, end s

Mrrafil [7]

Answer:

$\stackrel{\large{\frown}}{ADC} = 186^{\circ}$

Step-by-step explanation:

Given

See attachment

Required

Determine the measure of $\stackrel{\large{\frown}}{ADC}$

$The\ sum\ of\ angles\ in\ a\ circle\ is$ $360^{\circ}$ .

So, we have:

$\stackrel{\large{\frown}}{ADC} + \stackrel{\large{\frown}}{APB} + \stackrel{\large{\frown}}{BPC} = 360^{\circ}$

Where:

$\stackrel{\large{\frown}}{APB} = 70^{\circ}$

$\stackrel{\large{\frown}}{BPC} = 104^{\circ}$

Substitute these values in the above equation.

$\stackrel{\large{\frown}}{ADC} + 70^{\circ} +104^{\circ} = 360^{\circ}$

$\stackrel{\large{\frown}}{ADC} + 174^{\circ} = 360^{\circ}$

Collect Like Terms:

$\stackrel{\large{\frown}}{ADC} = 360^{\circ} - 174^{\circ}$

$\stackrel{\large{\frown}}{ADC} = 186^{\circ}$

7 0

2 years ago

Read 2 more answers

drug sniffing dogs must be 95% accurate in their responses because their handlers don't want them to miss durgs and also don't w

GenaCL600 [577]

Answer:

95% Confidence interval: (0.8449,0.9951)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 50

Number of times the dog is right, x = 46

$\hat{p} = \dfrac{x}{n} = \dfrac{46}{50} = 0.92$

95% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

Putting the values, we get:

$0.92 \pm 1.96(\sqrt{\dfrac{0.92(1-0.92)}{50}})\\\\ = 0.92\pm 0.0751\\\\=(0.8449,0.9951)$

(0.8449,0.9951) is the required 95% confidence interval for the proportion of times the dog will be correct.

7 0

2 years ago

Katy invests a total of $30,500 in two accounts. The first account earned a rate of return of 15% (after a year). However, the s

uranmaximum [27]

Answer:

no clue

Step-by-step explanation:

figure it out by yourself

7 0

3 years ago

sharmar spent at least 30 minutes playing his guitar on saturday he spent 10 minutes longer playing his guitar on saturday than

Nataly_w [17]

20 minutes
Because-

If he did ten more minutes then friday just do 30 - 10 whih 20 mins

4 0

1 year ago

I neeeeeeeeeed help​

I neeeeeeeeeed help