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pishuonlain [190]
3 years ago
5

Look at the figure below: Which is the tangent to the circle? A. Segment RO B. Line MN C. Line PQ D. Segment ST

Mathematics
2 answers:
lapo4ka [179]3 years ago
6 0

Answer:

C. Line PQ

Step-by-step explanation:

I had put the wrong answer but it gives me the correct one!

iris [78.8K]3 years ago
5 0

Answer:

C. Line PQ

Step-by-step explanation:

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if you run for 4 hours at 8miles an hour and walk 8 hours at 2 miles an hour, how far will you you have gone at the end of 12 ho
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48 miles

Step-by-step explanation:

run -- 4 hrs at 8 mph = 4 • 8 = 32 miles

walk -- 8 hrs at 2 mph = 8 • 2 = 16 miles

32 + 16 = 48 miles

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Factor the expression 48g^2 -22gh -15h^2
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factor the expression 48g^2 -22gh -15h^2

<h2>(6g-5h)(8g+3h)<======YouAnswer</h2>
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A Student has 10$ to buy one notebook and as many pens as possible write and solve an eqaution to find the number of pens the st
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3 years ago
Find the distance speed=96km/h time=20 mins
Alex_Xolod [135]

Answer:

32km

Step-by-step explanation:

speed=96km/h

time=20mins=1/3hour

<h3>Distance=Speed×Time</h3>

➜96×1/3

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6 0
3 years ago
Direct mail advertisers send solicitations​ ("junk mail") to thousands of potential customers in the hope that some will buy the
harina [27]

Answer:

The interval is (.0817, .118).

Step-by-step explanation:

Let's make this interval! The easy way is to go to STAT->TEST->A, 1-prop z-int, but I will show the long way.

<u>1. Conditions</u>

First we must check the conditions.

<em>Randomization condition: </em>The sample is given to be random, so we can assume independence.

<em>Success/failure condition: </em>Both np>10 and nq>10 must be met.

  • np = 1030(103/1030) = 103 ✓
  • nq = 1030(927/1030) = 927 ✓

<em>10% condition: </em>The sample cannot be greater than 10% of the population.

  • 10n < N, 10(1030) < 200000 ✓

All conditions are met, so we can use <u>a 1-proportion z-interval</u> to represent the data.

<u></u>

<u>2. Mechanics</u>

<u>Find </u>\hat{p}<u>, the sample proportion.</u>

103/1030 = .1

\hat{q}, then, the probability of not p, is 1 - .1 = .9

<u>Find z* (z star), the critical z-value.</u>

You can do this on your calculator using 2nd->VARS->3 (or you can memorize it - it's 1.96. Winky face.) This is called the invNorm function, that takes the left side area under the normal curve. But what do we plug in to the invNorm function?

invNorm(.975) = 1.96

<u>Plug values into the equation.</u>

\hat{p} ± z*\sqrt{\frac{\hat{p}\hat{q}}{n} }

.1 ± 1.96\sqrt{\frac{.1*.9}{1030} }

.1 ± 1.96(.00935)

.1 - .0183 = .0817

.1 + .0183 = .118

(.0817, .118)

<u>3. Conclusion</u>

Based on this sample, we are 95% confident that the proportion of people the company contacts who may buy something is between .0817 and .118. That isn't very likely, but maybe they'll make a little profit!

5 0
3 years ago
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