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zhannawk [14.2K]
3 years ago
6

Solve for x: Sin(2x-15)=Cos(x-12)

Mathematics
1 answer:
Archy [21]3 years ago
7 0
<span>$\mathrm{Periodicity\:of}\:\sin\left(2x-15\right)+\cos\left(x-12\right):\quad2\pi$</span>
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Need help with full explanation first to answer extra points!!!
blsea [12.9K]

Answers:

<h2>1. 35 </h2><h2>2. 12</h2>

Step-by-step explanation:

Those brackets indicate absolute value. Absolute value is the distance of a number from 0 on the number line. In other words, negatives don't matter. There is also no such thing as a negative absolute value.

-2     -1      0      1       2

Both -2 and 2 are the same distance from 0, just in the opposite direction. Both numbers have the same absolute value, which is 2.

Hope This helps. If it did, then....

<em>PLEASE MARK BRAINLIEST</em>

7 0
3 years ago
Set up and solve a quadratic equation to work out the value of x
galben [10]
X= 24 simple calculations are there
4 0
3 years ago
F + H ARE WRONG<br><br> HELP ME JIM!
RSB [31]
Reason F should be "CPCTC" which stands for "corresponding parts of congruent triangles are congruent". Its like saying "if two houses are identical, then the front doors should be the same". The houses in the analogy are the triangles, while the front doors are the corresponding parts. So if triangle DEC is congruent to triangle BEC, then the corresponding parts angle DEC and angle BEC are congruent.

===========================================

Reason H is "linear pair postulate" which says that if two angles form a linear pair then they are considered supplementary. This is simply what "supplementary" means. The two angles add to 180 degrees. A "linear pair" is where you have two angles that are adjacent and the angles combine to form a straight angle (180 degrees).

===========================================

Side note: It seems like some of this proof has been cut off. There should be more lines to this proof because the last line is always what you want to prove. In this case, the thing we want to prove is "angle DEC and angle BEC are right angles" so that should be the last statement. 

8 0
2 years ago
Which symbol makes the sentence true?
Mazyrski [523]
The answer is B because 2/5 is greater than 5/12

6 0
3 years ago
I just need help on all of it
Inessa [10]
  1. a
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8 0
3 years ago
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