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VladimirAG [237]
3 years ago
14

The scores on a math ema tics exam have a mean of 76 and a standard deviation of 7. Find the X-value that corresponds to the Z-s

core 2.942.​
Mathematics
1 answer:
Zina [86]3 years ago
3 0

Answer:

ersdf

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
A student found the surface area of this pyramid. Surface area = (12)(6) + 1 2 (12)(8) + 1 2 (6)(9.5) = 72 + 48 + 28.5 = 148.5cm
Virty [35]

Answer:

The answer is, The student added only three of the five faces.

Step-by-step explanation:

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5 0
3 years ago
Hello<br>mere pyaare bhaiyo or bheno​
goldfiish [28.3K]

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2 years ago
I need help, look at the picture.
worty [1.4K]
The order would be
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7 0
3 years ago
What is the answer to this question? <br> 1.4a^2+4a-63
LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

Δ = 4^{2}  - 4 * 4 * (-63)  =  16 + 16 * 63 = 16 * (1 + 63) = 16 * 64

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