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Lelechka [254]
3 years ago
9

Simplify i^ 31 1 −1 i -i

Mathematics
1 answer:
Vladimir [108]3 years ago
3 0

Answer:

I'm pretty sure the correct answer is "i^311-2i

Hope this helps!

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Simplify: (3) + (-4)
nikitadnepr [17]

Answer:

it should -1 because you have to evaluate the number

3 0
2 years ago
Find the value of each variable.<br> x = and y =
alex41 [277]

Answer:

x = 16

y = 16√3

Step-by-step explanation:

sin(30 degrees) = 1/2

x = 32/2 = 16

cos(30 degrees) = √3/2

y = 16√3

4 0
3 years ago
Read 2 more answers
What is the area of a sector with a central angle of 2π/9 radians and a radius of 16.7 ft?
Y_Kistochka [10]

Answer:

Area of the sector is 97.30 square feet.

Step-by-step explanation:

The area of the sector is given by

A=(\frac{\theta}{2})r^2

Plugging the known values in this formula to find the area of the sector

A=(\frac{2\pi/9}{2})(16.7)^2\\\\A=\frac{2\pi}{18}\cdot16.7^2

Use the value of π as 3.14

A=\frac{2\cdot3.14}{18}\cdot16.7^2

Simplifying, we get

A=97.3016

Rounded to the nearest hundredth, we get

A=97.30

8 0
3 years ago
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Can anyone help me on my HW i can't seem to find the answer to it and when i do it doesn't make sence
Nadusha1986 [10]
0.75x-18.5=0.65x
0.75x-0.65x=18.5
0.1x=18.5
x=18.5/0.1=185

Answer: x=185

To checkt:
0.75(185)-18.5=138.75-18.5=120.25
0.65(185)=120.25
4 0
3 years ago
Kaitlin spent 2/3 of an hour on homework. Her sister, Judy, spent 1 1/2 times that amount. Explain why Judy's homework time is b
Andre45 [30]

Answer:

2/3 of 60 minutes = 40 Minutes for Kaitlin

Judy spends 1 1/2 times of Kaitlin = 60 Minutes

Step-by-step explanation:

Explain why Judy's homework time is between 2/3 of an hour and 1/2 hour? I have no idea what is meant by that?

3 0
3 years ago
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