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2 years ago

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PLEASE ANSWER HONESTLY (PLEASE BE HELPFULL I HAVE BEEN STUCK ON THIS PROBLEM) WILL MARK BRANIEST IF CORRECT. (no links my comput

er is slow and no ctrl c ctrol v if possible (see picture below)

2 answers:

PilotLPTM [1.2K]2 years ago

4 0

The answer is B- 36pi. I just divided 108pi by 3. Hope this helps! If you’re confused, feel free to ask me to explain.

:)

Svetach [21]2 years ago

3 0

Answer:

If im correct it's 36 pie.

Step-by-step explanation:

I believe this as 1/3 of 108 is 36.

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A researcher surveyed people as they left a museum, asking whether they visited the gift shop and whether they watched the film

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Hey there!

P(y) = 0.46

P(x) = 0.49

P(y') = 0.54

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y = person that visited the gift shop

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2 years ago

11 POINTS PLZ HELP EMERGENCY

Bad White [126]

Part A

The given expression is:

$(-5(1+2i)+3i(3-4i)$

We expand to get:

$-5-10i+9i-12i^2$

Note that $i^2=-1$

$12-5-10i+9i$

$-5-10i+9i+12$

$7-i$

Part Bi)

The given expression is;

$\sqrt{-50}$

We simplify to get:

$\sqrt{25\times 2\times -1}$

$\sqrt{25\times} \sqr{2}\times \sqrt{-1}$

Note that:

$\sqrt{-1}=i$

$5\sqr{2}i$

This is now of the form $a+bi$ , where $a=0,b=5\sqr{2}$ .

This explains why it is a complex number;

Part bii)

The given expression is :

$\frac{\sqrt{-50} }{\sqrt{5}}$

We simplify to get

$\sqrt{\frac{-50 }{5}}$

$\sqrt{-25}$

$\sqrt{-25}=\sqrt{25}\times \sqrt{-1}$

$\sqrt{-25}=5\times i$

$\sqrt{-25}=5i$

Part C

We want to simplify:

$i^{22}$

We rewrite in terms of $i^2$

$i^{22}=(i^2)^{11}$

$i^{22}=(-1)^{11}$

$i^{22}=-11$

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3 years ago