Answer:
x = 5, 4/3+i√2/3, 4/3-i√2/3.
Step-by-step explanation:
(x-5)(3x^2-8x+6) =0
This is in factored form already. 3x^2 - 8x + 6 cannot be factored, it is prime.
One zero is x = 5.
3x^2-8x+6 = 0 Using the quadratic formula:
x = [8 +/- sqrt (64 - 4*3*6]) / 6
x = 4/3 +/- sqrt (-8) / 6
x = 4/3 +/- 2sqrt2 i / 6
x = 4/3 +/- i√2 / 3.
Answer:
( k-4)(k+2)
Step-by-step explanation:
k² - 2k - 8
What 2 numbers multiply to -8 and add tp -2
-4*2 = -8
-4+2 = -2
( k-4)(k+2)
Answer:
Step-by-step explanation:
We are given expression for cost of admission at an amusement park : 15a+12c.
Where a is the number of adults and
c is the number of children.
We need to find the total cost of 5 adults and for 10 children.
<em>In order to find the total cost of 5 adults and for 10 children, we need to plug a=5 and c=10 in 15a+12c expression.</em>
Plugging a=5 and c=10 in 15a+12c expression, we get
15(5) + 12(10) = 75 + 120 = $195.
<h3>Therefore, the total cost for 5 adults and for 10 children is $195.</h3>
Answer is 47.25
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