Recall the secant-tangent theorem, and you have
EA^2 = EC*CD
12^2 = 8*(x+10)
and now ED = EC+CD = 8+x+10
I suspect a typo somewhere in the murk above
Answer:
3x(x^2+3x-5) - factorised
Step-by-step explanation:
3(x-4)>5x+2
3x-12>5x+2
Subtract 2
3x -10 > 5x
Subtract 3x
2x -10
divide 2
x=-5
Answers:
After 7 years the car is worth $10,196(,46)
Explanation:
Year 1: $24,950•0,88=21,956
Year 2: $21,956•0,88=19,321(,28)
Year 3: $19,321(,28) •0,88=17,002(,73)
Year 4: $17,002(,73) •0,88=14,962(,40)
Year 5: $14,962(,40) •0,88=13,166(,91)
Year 6: $13,166(,91) •0,88=11,586(,88)
Year 7: $11,586(,88) •0,88=10,196(,46)
Answer:
5x+6
Step-by-step explanation:
Distribute then add like terms.
