3 years ago

Help!! (is only needed to answer 4 of this questions)(barinly for extra answers)

2 answers:

german3 years ago

4 0

5. 1
6. 8/9
7. 0
8. 1/5
9. 1 1/4
10. 5/6
11. 1/5
12. 1 3/7

if i am correct please give me brainpower because i did a lot :)

Arisa [49]3 years ago

3 0

Step-by-step explanation:

if right then mark me as brainlists

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<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%28x%20-%20%20%5Cfrac%7B2%7D%7B9%7D%20%29%28x%20%2B%20%20%5Cfrac%7B1%7D%7B2%7

Aleonysh [2.5K]

$f(x) = (x - \dfrac{2}{9} )(x + \dfrac{1}{2} )$

$\text {When } f(x) = 0 :$

$(x - \dfrac{2}{9} )(x + \dfrac{1}{2} ) = 0$

$(x - \dfrac{2}{9} ) = 0 \text { or } (x + \dfrac{1}{2} ) = 0$

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3 years ago

Are 0,2,5 closed or not under addition

kvasek [131]

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There are closed addition.

Step-by-step explanation:

Closure (mathematics) ... For example, the positive integers are closed under addition, but not under subtraction: is not a positive integer even though both 1 and 2 are positive integers. Another example is the set containing only zero, which is closed under addition, subtraction and multiplication.

So, 0,2,5 are closed addition

Please mark me brainliest.

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