2 years ago

What is the constant rate of change for (2, 8), (3, 12) and (6, 24)?

Mathematics

1 answer:

3241004551 [841]2 years ago

8 0

Answer:

(1 , 4)

:):):):):):):):):):):):):):

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Brrunno [24]

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Step-by-step explanation:

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2 years ago

If you draw a card with a value of three or less from a standard deck of cards, I will pay you $43, If not, you pay me $11 (Aces

mrs_skeptik [129]

Answer:

$1.46

Step-by-step explanation:

Required cards for winning :

1's, 2's and 3's

There are 4 cards of each in a total of 52 cards ;

Therefore, number of winning cards ;

(4 * 3) = 12 cards

Hence,

P(winning) = 12 / 52 = 3 / 13

P(not winning) = 1 - 3 /13 = (13 - 3) / 13 = 10/13

Earning (X)

Amount earned for winning = $43

Amount lost for not winning = $11

X ___ $43 ______ - $11

P(X) _ 3/13 _______ 10/13

Expected value, E(X) = ΣX*P(X)

Σ(X) = (43 * 3/13) + (-11 * 10/13)

E(X) = 9.9230769 - 8.4615384

E(X) = 1.4615385

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2 years ago

Solve for the variable: 4x − (9 − 3x) = 8x − 1

svet-max [94.6K]

Answer:

x = - 8

Step-by-step explanation:

4x - 9 + 3x = 8x - 1

7x - 9 = 8x - 1

7x - 8x - 9 = 8x - 8x - 1

- x - 9 = - 1

- x - 9 + 9 = - 1 + 9

- x = 8

- x ÷ - 1 = 8 ÷ - 1

x = - 8

7 0

2 years ago