2 years ago

Jeremy drew a polygon with four right angles and four sides with the same length.what kind of polygon did jeremy draw?

Mathematics

1 answer:

Naily [24]2 years ago

8 0

This is very easy! It's a square.

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-64=(2cos(pi/2)+2i sin(pi/2))^n..... n=??

zvonat [6]

Answer:

The real solution is $n=6$ .

Step-by-step explanation:

$\cos(\frac{\pi}{2})=0$ while $\sin(\frac{\pi}{2})=1$

So the equation becomes:

$-64=(2(0)+2i(1))^n$

$-64=(0+2i)^n$

$-64=(2i)^n$

We know that $2^6=64$ . So let's see what $n=6$ gives us:

$(2i)^6=64i^6=64i^4i^2=64(1)(-1)=-64$ .

$-64$ is the result we wanted.

$n=6$ is therefore a solution.

4 0

2 years ago

Audrey and Lauren began reading a novel on the same day. Audrey reads 15 pages a day and Lauren reads 5 pages a day. If Audrey i

mars1129 [50]

Lauren is on page 25. Since 75/15 is 5 that means she read fro 5 days. And they started at the same time so 5*5 is 25

4 0

2 years ago

Read 2 more answers

Edison is a hard-working college junior. On Saturday, he decides to work nonstop until he has answered 100 practice problems for

kiruha [24]

Answer: at twice the father's rate of speed. At this rate; how many miles would the bicycle rider travel in 9 hours?

Step-by-step explanation:

at twice the father's rate of speed. At this rate; how many miles would the bicycle rider travel in 9 hours?

5 0

2 years ago

Which line passes through the point (10, -1)and has a slope of -2

77julia77 [94]

y = mx + b

-1 = 10(-2) + b

-1 = -20 + b

19 = b

y = -2x + 19

Hope this helps! ;)

3 0

2 years ago

The lengths of the sides of a triangular garden are 10m, 11m, and 13m. find the measure of the angle opposite the longest side t

Zinaida [17]

We know that
applying the law of cosines
c²=a²+b²-2*a*b*cos C

in this problem
a=10 m
b=11 m
c=13 m
C=?

c²=a²+b²-2*a*b*cos C----> cos C=[a²+b²-c²]/[2*a*b]
cos C=[10²+11²-13²]/[2*10*11]----> cos C=0.2364
C=arc cos (0.2364)----> C=76.33°

the answer is
76.3°

4 0

3 years ago