Let the no be x
4x+9=2x-1
2x=-10
x=-5
Answer:
-18m^6n^-30
Step-by-step explanation:
combining like terms
The answer would be b because if you substitute 5 in for x y=2x-6 would equal 4 and y=5x-21 would equal 4. I hope this helps!
Answer:
C
Step-by-step explanation:
The difference formula for cosine is
cos(x - y) = cosxcosy + sinxsiny
Consider
cos75 = cos(120 - 45)°, then
cos(120 - 45)°
= cos120°cos45° + sin120°sin45° → C
Good evening ,
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Answer:
a=3
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Step-by-step explanation:
Look at the photo below for the answer.
:)