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Ivenika [448]
2 years ago
12

What is the missing value for the probability distribution table ?

Mathematics
1 answer:
Brums [2.3K]2 years ago
3 0
The answer is 0.3 cause when you subtract all of it you can get it
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Write your answer simplified, please.
Ede4ka [16]

Answer:

1.6

Step-by-step explanation:

1.6

6 0
2 years ago
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15 points !!<br> Estimate the solution to the following system of equations by graphing.
Marina86 [1]
For this case we have the following system of equations:
 -4x + 5y = 8
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 The solution is the ordered pair where both functions intersect. 
 In this case, the point of intersection is:
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 Answer:
 (x, y) = (5/2, 7/2)
 option 1See attached image

6 0
3 years ago
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2x² - 5x+1 has roots alpha and beta. Find alpha⁴+beta⁴ without solving the equation.
shepuryov [24]

Answer:

Step-by-step explanation:

\alpha+\beta=\dfrac{5}{2} \\\\\alpha*\beta=\dfrac{1}{2} \\\\\alpha^2+\beta^2=\dfrac{21}{4} \ (see\ previous\ post)\\\\(\alpha+\beta)^4=\dfrac{625}{16} \\\\=\alpha^4+\beta^4+4*\alpha^3*\beta+6*\alpha^2*\beta^2+4*\alpha*\beta^3\\\\=\alpha^4+\beta^4+4*(\alpha*\beta)(\alpha^2+\beta^2)+6*\alpha^2*\beta^2\\\\\alpha^4+\beta^4=(\alpha+\beta)^4-4*(\alpha*\beta)(\alpha^2+\beta^2)-6*\alpha^2*\beta^2\\\\= \dfrac{625}{16} -4*\dfrac{1}{2} *\dfrac{21}{4} -6*(\dfrac{1}{2})^2 \\\\

= \dfrac{625}{16}- \dfrac{168}{16}-\dfrac{24}{16}\\\\\\= \dfrac{433}{16}

7 0
3 years ago
What does it mean when a polynomial equation is in standard​ form?
Nady [450]

Answer:

Standard form is Ax + By = C

Step-by-step explanation:

6 0
3 years ago
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Scott counted 23 beats in 10 seconds. What is his approximate heart rate?
goblinko [34]

Answer:

138

Step-by-step explanation:

There is 60 seconds in a minute, so if the heart beats 23 times in 10 seconds, it is 138 bpm.

23 * 6 = 138

7 0
1 year ago
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