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Elena L [17]
3 years ago
13

20 POINTS!!11!

Mathematics
1 answer:
Dahasolnce [82]3 years ago
5 0

Answer:

10

Step-by-step explanation:

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Please help me i have to finnish this!!!
sleet_krkn [62]

Answer:

488

Step-by-step explanation:

  1. 6x^{2}  + 2 = 0
  2. replace x = -9 => 6 x (-9)^2 + 2  = 488  
8 0
3 years ago
Identify the errors made in finding the inverse of y = x2 12x.
arlik [135]
He should have written x= y2 + 12y .X must be less than or equal to zero. It should be x <0.

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Have a great day
8 0
2 years ago
Macy has bought 812 bananas. Jake has bought 83% of Macy's bananas. Karl bought three times the amount of Jake's amount at a loc
bija089 [108]

Answer:

586 bananas

Step-by-step explanation:

Macy - 812 bananas

Jake - (812 x 0.83) = 673.96 bananas

Karl - (673.96 x 3) = 2021.88 bananas

Gary - (2021.88 x 0.29) = 586.3452 bananas. The answer gets rounded down to 586 bananas because he can't have part of a banana

6 0
3 years ago
Read 2 more answers
Exponential and growth. Pls help me T^T
sergiy2304 [10]

Answer:   r = -0.14

<u>Step-by-step explanation:</u>

K=K_o\cdot e^{rn}\quad \text{where;}\\\bullet K\ \text{is the final amount of Kristinite}\\\bullet K_o\ \text{is the initial amount of Kristinite}\\\bullet r\ \text{is the rate of decay}\\\bullet n\ \text{is the number of seconds the decay has occurred}\\\\\\\text{Given:}\\\\K: \dfrac{1}{2}K_o\\\\r: unknown\\\\n: 2\\\\\\K=K_o\cdot e^{rn}\\\\\\\dfrac{1}{2}K_o=K_o\cdot e^{r(5)}\\\\\\\dfrac{1}{2}=e^{5r}\\\\\\ln\dfrac{1}{2}=5r\\\\\\\dfrac{ln\dfrac{1}{2}}{5}=r\\\\\\-0.14=r\\

8 0
3 years ago
Write descriptive paragraphs for the<br> following: a garden, the road and a<br> waterfall
PSYCHO15rus [73]
Individual or all together?
7 0
3 years ago
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