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2 years ago

IsIf the mean of y and 1\y is z, then meanof y2 and1\y^2

Mathematics

1 answer:

AfilCa [17]2 years ago

5 0

hope it helps friends. plz mark as brainliest

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What is the value of this expression if h = 8,j = -1, and k = -12

Rashid [163]

Answer:

Step-by-step explanation:

The given expression is :

$\dfrac{j^3k}{h^0}$

We need to find the value of this expression when h = 8, j = -1 and k = -12.

Put all the values in the given expression.

$\dfrac{j^3k}{h^0}\\\\=\dfrac{(-1)^3\times (-12)}{(8)^0}\\\\=\dfrac{-1\times -12}{1}\\\\=12$

So, the value of the given expression is 12.

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3 years ago

If (x + 8) is a factor of f(x), which of the following must be true?

Sedaia [141]

Answer:

f(-8) = 0

Step-by-step explanation:

If (x+8) is a factor of f(x), then for some expression p, we have ...

f(x) = (x+8)p

Evaluated at x=-8, this gives ...

f(-8) = (-8+8)p = 0p

f(-8) = 0 . . . . must be true

_____

Similarly, f(8) = (8+8)p = 16p. This may or may not be zero, depending on the factors of p. The only offered statement that must be true is the one shown above.

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2 years ago

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3 years ago

Wht is the solutioin to the system of equations y = 4x – 10 y = 2

gtnhenbr [62]

Answer:

(3,2)

Step-by-step explanation:

I graphed the two lines using a graphing tool. The lines intercept at (3,2). Therefore, the solution to the system is (3,2).

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3 years ago

IsIf the mean of y and 1\y is z, then meanof y2 and1\y^2​

IsIf the mean of y and 1\y is z, then meanof y2 and1\y^2