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elena-14-01-66 [18.8K]
2 years ago
9

PLEASE HELP ILL MARK YOU BRAINLIEST

Mathematics
1 answer:
mr Goodwill [35]2 years ago
7 0

Answer:

D is the correct a

Step-by-step explanation:

From table A-3: Areas under the normal curve

we can deduce that k=0.9

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The circumference of a circle is
olganol [36]

Answer:

The measurement around the circle

Step-by-step explanation:

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2 years ago
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A pool can be filled by one pipe in 9 hours and by a second pipe in 18 hours. How long will it take to fill the pool using both
hammer [34]

Answer:54

Step-by-step explanation:

9+9=18

18+18=36

36+18=54

Hope this helps:)

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2 years ago
What is 0.06% as a decimal and a fraction
mezya [45]
<span>Step 1: 0.06 = 6⁄100</span> 
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</span>
6 0
3 years ago
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HELP PLEASE! The distances from a ship to two lighthouses on the shore are 4 miles and 7 miles respectively. If the angle betwee
IrinaK [193]

Answer:

5.25 miles

Step-by-step explanation:

We are required to determine the distance between Lighthouse A and Lighthouse B in the diagram.

Using Law of Cosines

c^2=a^2+b^2-2abCosC\\c^2=7^2+4^2-2(7)(4)Cos48^\circ\\c^2=27.5287\\c=\sqrt{27.5287} \\c=5.25\: miles

The distance between lighthouses is 5.25 miles.

6 0
3 years ago
Use the diagram shown to answer the questions.
romanna [79]

Answer:

13

Step-by-step explanation:

First drop the line.

How many units is it from Point r to the x axis?

12.

How many units is it from Point r to the y axis?

5.

Now we can use the Pythagorean Theorem.

12^2+5^2=c^2 \\ \\ 144+25=c^2 \\ \\ c^2=169 \\ \\ c=13

4 0
2 years ago
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