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Lera25 [3.4K]
2 years ago
7

Use the counting principle to determine the number of elements in the sample space. The possible ways to complete a true-false e

xamination consisting of 26 questions.
Mathematics
1 answer:
Gemiola [76]2 years ago
6 0

Answer:

2^26

Step-by-step explanation:

For a true - false examination ; number of options or possible outcomes = 2

Number of questions = 26

Using the counting principle ; the number of elements in the sample space ;

(2 * 2 * 2 *... * 2) for the entire 26 questions

This is equivalent to : 2^26

2^26 = 67108864

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ikadub [295]

Answer:

? = 4.29

Step-by-step explanation:

Remark

Let  x be the question mark. You get the proportionality by using the dimensions of the little triangle to the dimensions of the large triangle.

Equation

14/(14+ 4) = 15/(x + 15)                   Combine like terms on the left

14/18 = 15/(x + 15)                          Cross multiply

14*(x + 15) = 18 * 15                        Simplify the right

14(x + 15) = 270                             Divide by 14

x + 15 = 270 / 14

x + 15 = 19.29                               Subtract 15 from both sides

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x = 4.29    

6 0
2 years ago
Consider the system: y = 3x + 5 y = ax + b What values for a and b make the system inconsistent? What values for a and b make th
AnnyKZ [126]
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3 years ago
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I need help. I’ll seriously make you brainly
ser-zykov [4K]

Answer:

a = 12

Step-by-step explanation:

add 2 to each side

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20a = 3a + 204

17a = 204

a = 12

7 0
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