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Artemon [7]
3 years ago
15

9=6+3c Can you help me?

Mathematics
2 answers:
natima [27]3 years ago
5 0

Answer:

3c=9-6

3c=3

3c/3=3/3

c=1

Vlada [557]3 years ago
4 0

c=1

Step-by-step explanation:

subtract 6 on both sides: 3=3c

divide 3 on both sides: 3/3=3c/3

1 is equal to c

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Step-by-step explanation:

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2 years ago
Can u guys pls help me on this question and pls explain how u got the answer
frosja888 [35]

Answer:

17.4

Step-by-step explanation:

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4 0
3 years ago
Verify the identity. 4 csc 2x = 2 csc2x tan x
vlada-n [284]

Step-by-step explanation:

4csc(2x) = 2csc^2(x) tan(x)

We start with Left hand side

We know that csc(x) = 1/ sin(x)

So csc(2x) is replaced by 1/sin(2x)

4 \frac{1}{sin(2x)}

Also we use identity

sin(2x) = 2 sin(x) cos(x)

4 \frac{1}{2sin(x)cos(x)}

4 divide by 2 is 2

Now we multiply top and bottom by sin(x) because we need tan(x) in our answer

2\frac{1*sin(x)}{sin(x)cos(x)*sin(x)}

2\frac{sin(x)}{sin^2(x)cos(x)}

2\frac{1}{sin^2(x)} \frac{sin(x)}{cos(x)}

We know that sinx/ cosx = tan(x)

Also  1/ sin(x)= csc(x)

so it becomes 2csc^2(x) tan(x) , Right hand side

Hence verified



6 0
3 years ago
At Tanika's school, 3 people are chosen
likoan [24]
Your answer is three out of the people in your school.
5 0
3 years ago
At Wallys school 30% of the student are in 8th grade if there are 470 students total find the number of 8th grade students
kiruha [24]
30%*470=141 (So the number of students in 8 grade is 141)

4 0
3 years ago
Read 2 more answers
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