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sdas [7]
3 years ago
9

(Ignore the kitty) plz help

Mathematics
1 answer:
zysi [14]3 years ago
3 0

Answer:

subtraction because 10 - 2 = 8

Step-by-step explanation:

oml i used to have that cat btw and then my school blocked it </3

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asambeis [7]
<span><u>Answer</u>
25c^2-4/9



<u>Explanation</u>
In this question you are expected to expand (5c+2/3)(5c-2/3)
(5c+2/3)(5c-2/3)=(5c×5c)-(5c×2/3)+(5c×2/3)-(2/3×2/3)
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25c^2-4/9
The expanded form of (5c+2/3)(5c-2/3) is 25c^2-4/9 and this is what the question requires of you to do.</span>
3 0
3 years ago
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Step 2: Substitute the given parameters in the formula

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Hence, the z-score of a person who scored 145 on the exam is -0.5

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