2 years ago

Whats 4+4 i need help. its really hard

Mathematics

2 answers:

pentagon [3]2 years ago

4 0

4+4 is 8 lol thanks for the answer

djverab [1.8K]2 years ago

4 0

Answer:

The answer for 4+4 is 8

Step-by-step explanation:

can u mark brainliest please

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scoray [572]

Answer: 2.46

Step-by-step explanation:

Formula for x-score is given by :-

$Z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

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As per given , n=10

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$\sigma$ = $3,339

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Then,

$z=\dfrac{ 31650-29056}{\dfrac{3339}{\sqrt{10}}}\\\\=\dfrac{2594}{\dfrac{3339}{3.16227766017}}\\\\=\dfrac{2594}{1055.88451073}=2.45670807142\approx 2.46$

Hence, the z-score = 2.46

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Harman [31]

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