Answer is the last choice
2a-4/1= -a-1/a-4
Cross multiply
(2a-4)(a-4)= -(a-1)
2a^2-8a-4a+16= -a+1
Bring right to left sign change signs
2a^2-8a-4a+16+a-1=0
Combine like terms
2a^2-11a+15=0
a= 2 b= -11 c= 15
Use quadratic formula
-b+-sq rt of b^2-4ac. Divided by 2a
-(-11) +- 11^2-4(2)(15) divided by 2(2)
11+-sq rt 121-120 divided by 4
11+1 /4. 11-1/4
12/4. 10/4
3. , 5/2
Dont be stingy with brainliest 1st of all
the awnser is 256.
because you take the amount of choices (c1 *c2*c3*c4*c5)
4*2*2*4*4= 8*2*4*4=16*4*4=64*4=256
Answer:
Step-by-step explanation:
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Answer:
C. -4 > -7
Step-by-step explanation:
answer= option C