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Advocard [28]
3 years ago
9

How to find the x with trig functions

Mathematics
1 answer:
Scilla [17]3 years ago
5 0
 hello : 
cos43° = x/32
x = 32×cos43° = 32×0.73 = 23.36
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Ksenya-84 [330]
Well, we can substitute the variables and get : 
9(21)+3(3)(21)+12
Then we simplify :
189+189+12
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6 0
3 years ago
HELP NEEDED!!
LenKa [72]

Answer:

a

Step-by-step explanation:

Given

2| x - 3 | + 5 = 17 ( subtract 5 from both sides )

2| x - 3 | = 12 ( divide both sides by 2 )

| x - 3 | = 6

The absolute value function always returns a positive value but the expression inside can be positive or negative, that is

x - 3 = 6 OR -( x - 3) = 6

x - 3 = 6 ( add 3 to both sides )

x = 9

OR

-( x - 3) = 6 ← distribute left side

- x + 3 = 6 ( subtract 3 from both sides )

- x = 3 ( multiply both sides by - 1 )

x = - 3

As a check

Substitute these values into the left side of the equation and if equal to the right side then they are the solutions.

x = 9 → 2|9 - 3| + 5 = 2|6| + 5 = (2 × 6) + 5 = 12 + 5 = 17 ← True

x = - 3 → 2|- 3 - 3| + 5 = 2| - 6 | + 5 = (2 × 6) + 5 = 12 + 5 = 17 ← True

Hence x = 9 or x = - 3 are the solutions → a

6 0
3 years ago
PLS HELP WITH THESE ASAP
Ipatiy [6.2K]

Step-by-step explanation:

For a

the solution is x>-17

For b

the solution is x<-1

For c

solve by adding 5.5 to each side

For d

solve by dividing each side by 2.5

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The first one is the correct answer honey
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jarptica [38.1K]

Answer:

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Sorry!

Step-by-step explanation:

3 0
3 years ago
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