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alina1380 [7]
2 years ago
13

Pls help ASAP I’ll give brainliest

Mathematics
1 answer:
NARA [144]2 years ago
7 0

Answer:

  • B. 11.42

Step-by-step explanation:

<u>Use the law of cosines:</u>

  • c = \sqrt{a^2+b^2-2ab*cosC}

<u>Substitute the values:</u>

  • c = \sqrt{9^2+12^2-2*9*12*cos64}=11.42
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The 180 falls between which two whole numbers? A) 11 and 12 B) 12 and 13 C) 13 and 14 D) 14 and 15
Umnica [9.8K]

Answer:

C) 13 and 14

Step-by-step explanation:

To find the answer, we need to check for all the options.

A) 11 and 12 = 11 *12 = 132

B) 12 and 13 = 12 *13 = 156

C) 13 and 14 = 13*14 = 182

D) 14 and 15 = 14*15 = 210

In which, C) is true.

It is 182 which falls in 180's

Therefore, answer is C) 13 and 14

Hope this will helpful.

Thank you.

7 0
3 years ago
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soldier1979 [14.2K]

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So, the cost of each can =  dollars

Hence, Ling paid $5.99 for each can of cooking fuel.

6 0
3 years ago
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Write 20 as a product of prime factors.
Aliun [14]

Answer:

1, 2, 4, 5, 10

Step-by-step explanation:

4 0
3 years ago
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Help please :)
Veronika [31]

Answer

500

Step-by-step explanation:

If the biologist tags 25 birds and lets them go, and then catches 100 and 5 of them have the tags, that would mean 20 of them are still out in the wild.

The way to solve this is if you put it into a proportion.

5/100 = 25/x

5x = (100)(25)

5x = 2500

5x/5 = 2500/5

x = 500

5/100=25/500

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3 years ago
A test that is valid must have scores that fit a normal curve A be reliable B be normed on a random sample C predict future beha
sasho [114]

Answer:

A: be reliable

Step-by-step explanation:

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3 years ago
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