It’s a geometric sequence. search up the forum ola
Your inequality looks like this:
To get rid of the /6, you need to multiply by 6 as the opposite operation cancels it out. So, all you need to do is multiply both sides by 6 to isolate x.
Therefore:
Answer: 75 min
Step-by-step explanation:
First lets subtract 20 from the total to get the amount of minutes she used
31.25 - 20 = 11.25
Now divide 11.25 by 0.15
11.25/0.15 = 75
She used 75 min
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Answer:
f(x) = 5x^3 - 9x^2 + 245x - 441.
Step-by-step explanation:
Complex zeros are in conjugate pairs so the third zero is -7i.
In factor form we have:
f(x) = (x - 7i)(x + 7i)(5x - 9)
= (x^2 - 49i)^2)(5x - 9)
= (x^2 + 49)(5x - 9)
= 5x^3 - 9x^2 + 245x - 441.