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Sever21 [200]
1 year ago
6

For the following question, solve only what is underlined and highlighted in ORANGE: Solve the equation: Negative six i equals e

ighteen, 1+2
A. i=3
B. i=6
C. i=-3
D. i=18
E. i=-6

Mathematics
1 answer:
mestny [16]1 year ago
4 0

The solution to the algebraic statement Negative six i equals eighteen is i  = -3

<h3>How to determine the solution to the equation?</h3>

The statement is given as:

Negative six i equals eighteen

Rewrite the above equation properly.

This is represented as follows:

-6i  = 18

Divide both sides of the equation by -6.

So, we have:

-6i/-6  = 18/-6

Evaluate the quotient of 18 and -6

So, we have:

-6i/-6  = -3

Evaluate the quotient of -6i and -6

So, we have:

i  = -3

Hence, the solution to the algebraic statement Negative six i equals eighteen is i  = -3

Read more about expressions at:

brainly.com/question/723406

#SPJ1

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ArbitrLikvidat [17]

Answer:

a) x = 4\cdot \cos t, y = 1 + 4\cdot \sin t, b) x = 4\cdot \cos t, y = 1 + 4\cdot \sin t, c) x = 4\cdot \cos \left(t+\frac{\pi}{2}  \right), y = 1 + 4\cdot \sin \left(t + \frac{\pi}{2} \right).

Step-by-step explanation:

The equation of the circle is:

x^{2} + (y-1)^{2} = 16

After some algebraic and trigonometric handling:

\frac{x^{2}}{16} + \frac{(y-1)^{2}}{16} = 1

\frac{x^{2}}{16} + \frac{(y-1)^{2}}{16} = \cos^{2} t + \sin^{2} t

Where:

\frac{x}{4} = \cos t

\frac{y-1}{4} = \sin t

Finally,

x = 4\cdot \cos t

y = 1 + 4\cdot \sin t

a) x = 4\cdot \cos t, y = 1 + 4\cdot \sin t.

b) x = 4\cdot \cos t, y = 1 + 4\cdot \sin t.

c) x = 4\cdot \cos t'', y = 1 + 4\cdot \sin t''

Where:

4\cdot \cos t' = 0

1 + 4\cdot \sin t' = 5

The solution is t' = \frac{\pi}{2}

The parametric equations are:

x = 4\cdot \cos \left(t+\frac{\pi}{2}  \right)

y = 1 + 4\cdot \sin \left(t + \frac{\pi}{2} \right)

7 0
3 years ago
If a person invested half of her money at 9% and half at 7% and received $160 interest, find the total amount of money invested.
mr Goodwill [35]

Answer:

$2000

Step-by-step explanation:

let x be the money she invested

lets assume this was for 1 year

0.09(x/2) + 0.07(x/2) = 160

multiply each side by 2 to cancel the denominators:

0.09x + 0.07x = 320

0.16x = 320

x = 2000

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3 years ago
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kotykmax [81]

12+.60+ 12.60

12.60*20%

12.60*.20= 2.52

Tip should be around $2.52

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7 0
3 years ago
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the area of a rectangle is 42.15 square meters. if the length is 21 meters, what is perimeters of the rectangle?
Vsevolod [243]

Answer:

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Step-by-step explanation:

Given that:

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Required data:

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Calculation:

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Putting the value we get

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putting the values

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Answer:X=110/121

Step-by-step explanation:

Multiply 100 by 1.21 then by x

121x=110

Divide both side by 121

X=110/121

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