3 years ago

Please help me with my other problems too, it’s 3Am plz

Mathematics

1 answer:

mina [271]3 years ago

8 0

Answer:

5:6

Step-by-step explanation:

5/11

6/11

5/6

5:6

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Rewrite −1 + 2i in polar form.

raketka [301]

The length of the radius would sqrt(1+4), or sqrt(5).
2
The angle would be in Quadrant II and would be arctan ------ , or arctan (-2).
-1

Find this angle using a calculator or table.

Then you end up with -1+2i = sqrt(5) angle arctan(-2). The angle would be + and measured from the + horizontal axis.

8 0

3 years ago

13. Don is running a race. He knows he can run 60 feet in 4 seconds. If he maintains this rate, how many miles will he run in 1

Lana71 [14]

Answer:

10.23 miles

Step-by-step explanation:

1 hour = 3600 seconds

$\frac{60}{4} =\frac{x}{3600} \\\\4x=216000\\x=54000$