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Lera25 [3.4K]
3 years ago
15

I need help with this please

Mathematics
1 answer:
KatRina [158]3 years ago
5 0

Answer: a) 12

Step-by-step explanation: anything with parentheses means times (×)

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If x/y = -3, then find x²/y² + y²/x² <br><br>​
tatuchka [14]

Answer:

x/y= −3 => x= −3y

x²/y²+y²/x²=y²/x²

Step-by-step explanation:

Evaluate xy, then set it equal to −3.

x=−3y

Evaluate x²/y²+y²/x².

y²/x²

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3 years ago
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aleksandrvk [35]

Answer:

12.34

Step-by-step explanation:

For divide by the number then you get the answer

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the mean of a group of students in 60 . if their marks 85 ,65,36 ,48 , X ,75 ,39,72 then find the value of x​
miss Akunina [59]

Answer: 60

Step-by-step explanation:

Find the total number of students.

In this case, there are 8 total students. Multiply 60 * 8 = 480

Add all the numbers up.

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x = 60

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2 years ago
Name the algebraic property demonstrated in the example below.
lilavasa [31]
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3. R: {(1, 2), (2, 2), (−1, −2), (−3, 4)}?
Natali [406]
Yes it is a function Bc the x values don’t repeat
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