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Lynna [10]
3 years ago
11

(!!15 points!!) Find the measure of arc BDC

Mathematics
2 answers:
pentagon [3]3 years ago
7 0

It could also be pi radians but it asks for degrees... that's weird. There must be an error

Paha777 [63]3 years ago
6 0

Answer:

180°

Half the circle (360°) is 180°

The central angle is also 180° and the arc is congruent to the measure of the central angle.

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A random sample of bolts is taken from inventory, and their lengths are measured. The average length in the sample is 5.3 inches
LekaFEV [45]

Answer:

L_x=5.3 inches

Step-by-step explanation:

Average length \=x =5.3 inches

Standard deviation \sigma=0.2 inches

Sample size n=50

Generally The point estimate for the mean length of all bolts in inventory is

L_x= \=x

L_x=5.3 inches

3 0
3 years ago
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Margarita [4]

Answer:

15 divided by 3 = 5

Step-by-step explanation:

21 divided by 3 = 7

6 divided by 3 = 2

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6 0
3 years ago
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In stage 2 of a rocket's takeoff, the speed of the rocket increases at a rate of 4.3% per minute. The speed of the rocket at the
Sveta_85 [38]

The correct option is:   B.  25000=5000(1.043)^t

<u><em>Explanation</em></u>

<u>The general form of growth equation</u> is:   A=P(1+r)^t , where A = final amount, P = initial amount, r = growth rate in decimal form and t = time duration

Here, the speed of the rocket at the beginning was 5,000 kilometers per hour and at the end will be 25,000 kilometers per hour. The speed increases at a rate of 4.3% per minute.

That means,  A= 25000 , P= 5000, r= 4.3\% = 0.043

Now <u>plugging these values into the above equation</u>, we will get......

25000=5000(1+0.043)^t\\ \\ 25000=5000(1.043)^t

So, the equation that could be used to determine the time for the speed of the rocket to reach 25,000 kilometers per hour will be:  25000=5000(1.043)^t

8 0
2 years ago
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A line passes through the point (-4,1) and has a slope of 3/2
anzhelika [568]

Answer:

y=3/2x+7

Step-by-step explanation:

y=mx+b

m=3/2

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4 0
3 years ago
Show how 12 is both a multiple of 4 and a factor of 48. Use words, drawings and symbols to explain your answer
rusak2 [61]

Answer:

4x3=12

12x4=48

48/12=4

48/4=12

Step-by-step explanation:

6 0
3 years ago
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