11x² + 2x + 16 2x² + x + 2 -

Mathematics

1 answer:

Anit [1.1K]4 years ago

4 0

Answer: 13x^(2)+3x+18

Step-by-step explanation:

13x^(2)+3x+18

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Solve for x in x²+8x+15=0 in factorisation method

Genrish500 [490]

Answer: $x=-5, -3$

Step-by-step explanation:

$x^2 +8x+15=0\\\\(x+5)(x+3)=0\\\\x=-5, -3$

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2 years ago

Question 3 (25 points)

Yuri [45]

Answer:

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Step-by-step explanation:

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4 years ago

Given a mean of 61.2 and a standard deviation of 21.4, what is the z-score of the value 45 rounded to the nearest tenth?0.8−0.90

kherson [118]

Given: Mean μ = 61.2 and standard deviation σ =21.4

The Z score of the value x=45 is given by

Z = $\frac{x - mean}{standard deviation}$