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pochemuha
3 years ago
5

9x²-6xy+4y²≥0 помогите

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
8 0
I'm not very sure, but I hope it'll help.

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Solve the inequality − x 2 <4 -x2<4
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1 and 2 I hope this help you :)
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!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! HELP ASAP 20 PTS !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Slot method or permutations
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6 for first slot
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3 years ago
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Find the solution of this system of equations. Separate the x- and the y- values with a comma. X=6+y -8x+9y=-29
WINSTONCH [101]

Answer:

x= 25, y = 19

Step-by-step explanation:

Solve the following system:

{x = y + 6 | (equation 1)

9 y - 8 x = -29 | (equation 2)

Express the system in standard form:

{x - y = 6 | (equation 1)

-(8 x) + 9 y = -29 | (equation 2)

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{-(8 x) + 9 y = -29 | (equation 1)

x - y = 6 | (equation 2)

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{-(8 x) + 9 y = -29 | (equation 1)

0 x+y/8 = 19/8 | (equation 2)

Multiply equation 2 by 8:

{-(8 x) + 9 y = -29 | (equation 1)

0 x+y = 19 | (equation 2)

Subtract 9 × (equation 2) from equation 1:

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0 x+y = 19 | (equation 2)

Divide equation 1 by -8:

{x+0 y = 25 | (equation 1)

0 x+y = 19 | (equation 2)

Collect results:

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3 years ago
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Ningbo Shipping has issued preferred stock at its $125 per share par value. The stock will pay a $15 annual dividend. The cost o
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Answer:

The cost of Ningbo Shipping Preferred stock is 12.40%

Step-by-step explanation:

In this question, we are asked to calculate the cost of Ningbo shipping Preferred stock.

To calculate this, we make use of the following mathematical relation;

The cost preferred stock Kp = Annual dividends/ Issued price-Cost of Issuing

From the question, we identify the following;

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Annual dividend = $15

Cost of Issuing = $4

Inserting these into the formula we have;

Kp = $15/$125 - $4 = 12.40%

This means that Cost of Ningbo shipping preferred stock is 12.40%

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\displaystyle\\\sum_{n=1}^7(4n+2)

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