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svetlana [45]
3 years ago
13

Please help time crush 15 points!

Mathematics
1 answer:
Shkiper50 [21]3 years ago
7 0

Answer: Hello!

9. -6

10. 25

11. 16

12. 1.25

Step-by-step explanation:

Mark me brainest please. Hope I helped! Hope you make an 100%

-Anna♥

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Help a fellow out please
Liula [17]

Answer:

24.27 cm

Step-by-step explanation:

sin 65 degrees = 22/x, so:

      1                   x

------------------ = ------

 sin 65 deg       22

so x = 22 / (sin 65 deg) = 22/0.906 = 24.27 cm

8 0
3 years ago
Type your answer into the box. X 30° Calculate the size of angle x. angle x =​
andrezito [222]

Answer:

60°

Step-by-step explanation:

90°+30°=120°

180°_120°=60°

4 0
3 years ago
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Anyone want to help me out?
zhuklara [117]
First answer haha~ I think I answered all your questions so far ;)
5 0
3 years ago
Please help me, this is for my math test.
satela [25.4K]

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7 0
3 years ago
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Remove the parentheses and simplify 3a^2-6ab+3b^2-5(-6a^2+7ab-7b^2) 
Oksi-84 [34.3K]
3a^2-6ab+3b^2-5(-6a^2+7ab-7b^2)=\\\\3a^2-6ab+3b^2+30a^2-35ab+35b^2=\\\\33a^2-41ab+38b^2
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