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dolphi86 [110]
3 years ago
15

What is the positive solution to the equation 0 = –x2 + 2x + 1? Quadratic formula: x = StartFraction negative b plus or minus St

artRoot b squared minus 4 a c EndRoot Over 2 a EndFraction –2 + StartRoot 2 EndRoot 2 – StartRoot 2 EndRoot 1 + StartRoot 2 EndRoot –1 + StartRoot 2 EndRoot
Mathematics
2 answers:
BaLLatris [955]3 years ago
6 0

Answer:

c

Step-by-step explanation:

Zepler [3.9K]3 years ago
4 0

Answer:

x = 1 + sqrt 2

Step-by-step explanation

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2.98 times 10 to the 3rd power in standard notation
stiks02 [169]

Answer:

2980

Step-by-step explanation:

2.98*10^3 = 2980

3 0
3 years ago
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Components of a certain type are shipped to a supplier in batches of ten. Suppose that 50% of all such batches contain no defect
ad-work [718]

Answer:

a) P (0 defective component) = 0.5

   P( 1 defective component ) = 0.35

    P( 2 defective component ) = 0.15

b) P( 0 ) = 0

   p ( 1 ) =  1

   p ( 2 ) = 0.33

Step-by-step explanation:

p( no defective ) = 0.5

p( 1 is defective ) = 0.35

p( 2 is defective ) = 0.15

Given that 2 components are selected at random

<u>a) Given that neither component is defective </u>

Probability of 0 defective component = 0.5

P( 1 defective component ) = 0.35

P( 2 defective component ) = 0.15

<u>b) Given that one of the two tested component is defective </u>

P( 0 defective ) = 0

P( 1 defective ) = P ( \frac{x=1}{x\geq 1} ) = p( x = 1 ) / 1 - P ( x = 0 )

                                        = ( 0.5 )^1 ( 0.5 )^0 /  1 - ( 0.5)^0 (0.5)^1

                                        = 0.5 * 1 / 1 - 0.5 = 0.5 / 0.5 =  1

p ( 2 defective ) = p( x = 3 ) / 1 - P ( x = 0 )

                         = ( 0.5 )^2 ( 0.5 )^0 /  1 - ( 0.5)^0 (0.5)^2

                         = 0.25 / 0.75 = 0.33

<u />

5 0
2 years ago
HELP PLEASE.........................
Licemer1 [7]

Answer:

54% = 27/50

72% = 18/25

97% = 97/100

7 0
3 years ago
A family has 2 children, the older child has brown eyes. Both children have brown eyes
Katyanochek1 [597]

Yes

⭐ Answered by Foxzy0⭐

⭐ Brainliest would be appreciated, I'm trying to reach genius! ⭐

⭐ If you have questions, leave a comment, I'm happy to help! ⭐

8 0
2 years ago
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Janet has a square piece of cloth. She cuts 3 inches off of the length of the square and 3 inches off of the width. The area of
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24
3+3=6
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