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yaroslaw [1]
3 years ago
15

12. Why is the following NOT a function?(7,5) (3,5) (0,-2) (7,4) (8,-2) ​

Mathematics
1 answer:
lilavasa [31]3 years ago
3 0
Because the 7 is used more than once.
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Three times a number, subtracted from 20, is equal to -7
tia_tia [17]
The answer is 20-3x=-7 explanation
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3 years ago
The general form of a circle is given as x^2 + y^2 + 4x - 12y + 4 = 0.
stepan [7]
If you can rewrite the formula as (x-a)² + (y-b)² = r², the center is at (a,b) and the radius is r.

If you work out this equation, and map it to the original, you will find that the +4x term hints that a = 2 (double product) and -12y hints that b=-6, and r=6.

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3 years ago
Krutika and Natasha win some money and share it in the ratio 3:4. Krutika gets £39. How much did Natasha get?
grin007 [14]

Answer:

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4 0
3 years ago
A polynomlal has been factored, as SHOWI Deluw.
Tom [10]

Answer:

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To find the zeros of this function, we set f(x)=0 and solve for x.

(x - 6)(x + 5)(x - 9) = 0

This implies that:

(x - 6) = 0 \: or \: (x + 5) = 0 \: or \: (x - 9) = 0

We solve for x to get:

x  = 6 \: or \: x  =  -  5  \: or \: x =  9

The zeros are 6,-5,9

3 0
3 years ago
Can someone Please help with this
Mekhanik [1.2K]

<u>answers for the blank:</u> 23 and 25

<u>explanation:</u> plug in the n to the equation and solve! :)


hope this helps ❤ from peachimin

5 0
3 years ago
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