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aev [14]
2 years ago
8

For what values of K does x2+kx+9=0

Mathematics
1 answer:
Airida [17]2 years ago
4 0

Answer:

k = 6

Step-by-step explanation:

x {}^{2}  + kx + 9 = 0

here,

a = 1,

b = k

c = 9

now,

D = b {}^{2}  - 4ac

k {}^{2}  - 4(1)(9) = 0 \\   k {}^{2}  - 36 = 0 \\ k {}^{2}  = 36 \\ k = 6

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SCORPION-xisa [38]

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2 years ago
Find the area.<br> 8 in<br> 19 in<br> 13 in<br> 1976 in²<br> 205 in²<br> 128 in²<br> 104 in²
sveticcg [70]

Total area = 104+24 = 128 sq.in ,  Option C is the right answer.

The missing figure is attached with the answer.

<h3>What is Area ?</h3>

The space occupied by a two dimensional figure is called Area.

The figure given in the question can be divided into two figure

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To know more about Area

brainly.com/question/27683633

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6 0
1 year ago
Simplify by dividing -5/8 and -3/4​
Orlov [11]

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