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mote1985 [20]
2 years ago
7

L

Mathematics
2 answers:
Dmitriy789 [7]2 years ago
8 0

Answer:

the answer should be c

Step-by-step explanation:

just got the answer on test

gayaneshka [121]2 years ago
3 0

Answer:

Lesiu: C. 9cm, 40cm, 51cm

I'm not sure about Nicholas

Step-by-step explanation:

9+40<51

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Given: sin(18m-12)=cos(7m+2), find the value of m.
V125BC [204]

Answer:

m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or m = 2/3 - (π n_2)/18 for n_2 element Z

Step-by-step explanation:

Solve for m:

-cos(7 m + 2) sin(12 - 18 m) = 0

Multiply both sides by -1:

cos(7 m + 2) sin(12 - 18 m) = 0

Split into two equations:

cos(7 m + 2) = 0 or sin(12 - 18 m) = 0

Take the inverse cosine of both sides:

7 m + 2 = π n_1 + π/2 for n_1 element Z

or sin(12 - 18 m) = 0

Subtract 2 from both sides:

7 m = -2 + π/2 + π n_1 for n_1 element Z

or sin(12 - 18 m) = 0

Divide both sides by 7:

m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or sin(12 - 18 m) = 0

Take the inverse sine of both sides:

m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or 12 - 18 m = π n_2 for n_2 element Z

Subtract 12 from both sides:

m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or -18 m = π n_2 - 12 for n_2 element Z

Divide both sides by -18:

Answer: m = -2/7 + π/14 + (π n_1)/7 for n_1 element Z

or m = 2/3 - (π n_2)/18 for n_2 element Z

3 0
3 years ago
The friends Sandra, Steffi, Senna, Ozlem, Janina and Nina are 91 years old together. Sandra and Janina as well as Ozlem and Stef
Alex_Xolod [135]
My b i jus need to answer a q for i can ask one
7 0
3 years ago
Help me with this question
Alona [7]

Answer:

A

Step-by-step explanation:

The opposite of 6 IS -6

5 0
2 years ago
How many students tired out for the volleyball team is this a statistical or no
vodomira [7]

That question is not a statistical question since there will be only one answer. If it were to be statistical it would have multiple answers an example of that type of question would be, Why did you decide to try out for the volleyball team? This is statistical because some could say they joined for fun, credits, to do something active, etc.. there would be multiple answers. Your question, How many students tried out for the volleyball team isn't statistical since it will have one answer such as, 26 students, 15 student, 2 students, etc...

Hope this helped!

4 0
3 years ago
Which expressions are equivalent to this expression?
Deffense [45]

4x+4

factor

4(x+1)

2(2x+2)

x+3x+42x+2x+1+3


Choices B,C,D

6 0
2 years ago
Read 2 more answers
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