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leva [86]
3 years ago
12

Write in terms of i. Simplify as much as possible. -√-45

Mathematics
1 answer:
marusya05 [52]3 years ago
4 0

Answer:

I got - 6.70820393 i

Step-by-step explanation:

let me know if I am wrong :)

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What is the volume of a hemisphere with a diameter of 7.7 ft, rounded to the nearest tenth of a cubic foot?
Nady [450]

Answer: 119.57 cu. ft.

Step-by-step explanation:

Volume of a hemisphere = (2/3)πr^3

= (2/3) * 22/7 * 3.85^3

6 0
3 years ago
What is the area of the sector shown in the diagram below?
Step2247 [10]
The formula to find the area of a sector = Ф*r²/2

Ф to be in radian, here Ф=45° =π/4

sector = 1/2(π/4)x 100
sector = 39.27 ≈39.3° (B)

6 0
3 years ago
How to graph 200-25x=y
In-s [12.5K]
Simplifying
y = -25x + 200

Reorder the terms:
y = 200 + -25x

Solving
y = 200 + -25x

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Simplifying
y = 200 + -25x
4 0
3 years ago
Help pls and no links
Svetlanka [38]

We know a or b != 0

but a-b==0 so both are the same unknown number

b/a must = 1

so

a/b is equivalent to b/a as a/b=1 as well.

So the last answer choice.

7 0
3 years ago
\log_{4} x + \log_{4} (x+5) = 6
irina1246 [14]
       log(4)x + log(4)(x + 5) = 6
log(4)x + log(4)x + log(20) = 6
               log(8)x + log(20) = 6
               <u>            - log(20)  - log(20)</u>
                              <u>log(8)x</u> = <u>6 - log(20)</u>
                               log(8)         log(8)
                                       x ≈ 0.999
8 0
3 years ago
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