Please help with the second half

Mathematics

1 answer:

Nadya [2.5K]3 years ago

6 0

M=number of months SINCE measuring the visitor volumes.
If m is negative, it would mean number of months PRIOR to measureing the visitor volumes.

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I NEED HELP PLEASE, THANKS! :)

kolbaska11 [484]

Answer:

-17.67 +3.43i

Step-by-step explanation:

Carry out the indicated math:

18 cis 169° = (18·cos(169°) +i·18·sin(169°)) = (18·(-0.9816) +i·18·0.1908)

= -17.67 +i·3.43

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3 years ago

What is the coefficient of the fourth term in the expansion of (x - y)^6?

Zarrin [17]

<span>If you're aware of the binomial theorem, you have that:
</span> $(x-y)^6=\sum_{k=0}^{6}\binom{6}{6-k}x^k(-1)^{6-k}y^{6-k}$
$(x-y)^6=\sum_{k=0}^{6}\binom{6}{k}x^k(-1)^{k}y^{6-k}$

The fourth term is then the case $k=3$ , from which:
$c_{3}=\binom{6}{3}x^3(-1)^3y^3= \frac{6!}{3!(6-3)!} * (-x^3y^3)=- \frac{720}{36}x^3y^3=-20x^3y^3$

3 0

4 years ago

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A line intersects the points

kari74 [83]

Answer:

$\boxed{\sf m=\boxed{8}}$