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notsponge [240]
3 years ago
7

What do l do with this problem

Mathematics
2 answers:
Rina8888 [55]3 years ago
7 0
Top Problem : 10 = 115 degrees, 11 = 65 degrees, 12 = 115 degrees

Bottom Problem : 17 = 23 degrees, 18 = 90 degrees
djyliett [7]3 years ago
4 0
Well 18 would have to be 90 degrees because it’s a right angle

Than 17 is 23 degrees because 180/2 is 90 and 90-67=23
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What is x? 1/2:10 x:1
julsineya [31]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
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Simplify -9(1-10n) - 2(3n+9)
agasfer [191]

Answer:

3 (28 n - 9)

Step-by-step explanation:

Simplify the following:

-9 (1 - 10 n) - 2 (3 n + 9)

-9 (1 - 10 n) = 90 n - 9:

90 n - 9 - 2 (3 n + 9)

-2 (3 n + 9) = -6 n - 18:

90 n + -6 n - 18 - 9

Grouping like terms, 90 n - 6 n - 18 - 9 = (90 n - 6 n) + (-9 - 18):

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84 n + -27

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4 0
3 years ago
Any help with this plzzz?????
Harrizon [31]
1.
a.11/12=less than one

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2. <
8 0
3 years ago
Prove that: 16sin20.sin40.sin60.sin80=3​
olga nikolaevna [1]

to prove that 6720. Sin 40. Sin 60. 80 equals 3 you'd have to divide 16 by 20 multiply subtract both sides by 3 which is 24x + 6x + 8x + -14 equals 40 40 + 20 equals 16 - -40 equals 80 which equals to 3

6 0
4 years ago
PLEASE HELP !!!
Nady [450]

Answer:

i'm pretty sure its B but it would be helpful if i could see a graph

Step-by-step explanation:

3 0
3 years ago
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