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Kruka [31]
3 years ago
5

Simplify the expression (-7)2.

Mathematics
2 answers:
torisob [31]3 years ago
3 0

Answer: -14

Step-by-step explanation:

Softa [21]3 years ago
3 0

Answer:

Step-by-step explanation:

(-7)2

-7 • 2

-14

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YALL THIS IS DUE
slamgirl [31]
Start with the bottom surface area, 7x7=49

then go to the triangles, base times height divided by 2, so (7x14)/2=49
and since there are 4 triangles, multiply 49 by 4 = 196 and add the area of the bottom, which all adds up to 245
8 0
4 years ago
Mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
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Step-by-step explanation:

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alex41 [277]

Answer:

It's 0.625

Step-by-step explanation:

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3 years ago
Answer me pls I will mark brainliest worth 50 points. (sorry when I put 100 it goes to 50).
il63 [147K]

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Yes, because 6/8 employees recieve salaries of lower than 31500, and one of them get more than twice the salary than the average salary

3 0
3 years ago
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If P(A)= 0.3 and P(B|A)=0.9 what is P(A B)?
Serga [27]
You seem to be missing a symbol, which I assume is intersection \cap.

From the definition of conditional probability,

\mathbb P(B|A)=\dfrac{\mathbb P(B\cap A)}{\mathbb P(A)}\implies0.9=\dfrac{\mathbb P(B\cap A)}{0.3}\implies\mathbb P(B\cap A)=0.27
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