3 years ago

WILL GIVE BRAINLIEST!!!!!!! what's 1+1? ;)

Mathematics

1 answer:

Anna11 [10]3 years ago

3 0

Answer:

2!! :DDD

Step-by-step explanation:

HAVE A GOOD DAYYYY :]

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Convert Зcis 180° to rectangular form.<br> А. -3<br> в. -3i<br> с. з<br> D. Зі.

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Answer:

-3

Step-by-step explanation:

$3 cis(180^\circ)$ means $3(\cos(180^\circ)+i \sin(180^\circ))$

What is the $x$ -coordinate value that corresponds to $\theta=180^\circ$ . That value is -1.

What is the $y$ -coordinate value that corresponds to $\theta=180^\circ$ . That value is 0.

So this implies $\cos(180^\circ)=-1 \text{ and } \sin(180^\circ)=0$ .

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3 years ago

In 7 minutes, Jenny can type 63 words. What is her rate in words per minute?

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Answer:

Step-by-step explanation:

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Step-by-step explanation:

Use the "vertical line test." Draw a vertical line through each graph. If the line intersects the graph in more than one place, the graph does NOT represent a function. Only the graph in the upper, right-hand corner represents a function, as a vertical line intersects this graph in only one place.

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Step-by-step explanation:

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3 years ago

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