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irinina [24]
3 years ago
9

Can anybody explain how I can get the equation.​

Mathematics
1 answer:
antoniya [11.8K]3 years ago
5 0

Step-by-step explanation:

If the polynomial is rational, then one of zeros is 3 + 2i.

We are also given f(x) is decreasing function, it means the leading coefficient is negative.

<u>The factors would be:</u>

  • f(x) = - (x - 7)(x - (3 - 2i))(x - (3 + 2i)

or

  • f(x) = - (x - 7)(x - 3+ 2i)(x - 3 - 2i)
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Please help! Dont get it wrong pls
Vaselesa [24]

Answer:

5.4 > x > 2.8

Step-by-step explanation:

Sum of two sides is always greater than the third side

Case1 :

4.1 + 1.3 > x

5.4 > x

Case2:

4.1 + x > 1.3 or 1.3 + x > 4.1

x > 1.3 - 4.1 or x > 4.1 - 1.3

x > - 2.8 or x > 2.8

Note that it is obvious x is not -ve so neglect -2.8. x > 2.8

Hence,

5.4 > x > 2.8

5 0
4 years ago
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Simplify the expression to a polynomial in standard form:<br> (3x – 10)(x2+ 2x - 1 )
KonstantinChe [14]

Answer:

3 x ^3  −  4 x ^2  −  23 x  +  10

Step-by-step explanation:

hope this helps!

3 0
3 years ago
The chair of the meeting collects $2702 from 28 people.Whats the unit rate?
SCORPION-xisa [38]

Answer:

$96.50

Step-by-step explanation:

5 0
3 years ago
a box of cereal costs $3.90 for 15 ounces. A box of rice cereal costs $3.30 for 11 ounces. which box of cereal costs less per ou
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4 years ago
Solve.<br> 45 = 4(a + 3) – 3
Alex787 [66]

Answer:

a = 9

Step-by-step explanation:

45 = 4(a + 3) – 3

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48 = 4(a + 3)

Divide both sides by 4.

12 = a + 3

Subtract 3 from both sides.

9 = a

a = 9

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3 years ago
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