Write the algebraic expression that represents the following:

Mathematics

1 answer:

Andreyy893 years ago

5 0

A. 6n - 2

b. 5 - 9/n

c. 1/2(6n/22)

d. 9 - 2(n - 7)

e. 11 - n to the second power

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Sphinxa [80]

Answer:

-4, 14+(-5) (-0.8), 14+ (3) (-0.8), 16.4

Step-by-step explanation:

The change in temperature for -5 is -4

The expression for -5 is 14+ (-5) (-0.8)

The expression for 3 is 14+ (3) (-0.8)

The actual temperature for 3 is 16.4

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3 years ago

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Sergeeva-Olga [200]

<h2>Intersection and Union of Sets</h2><h3>Answer:</h3>

$A \cup B = \{ a, b, c, d, e \}$

$B \cap C = \{ d, e \}$

$A \cup C = \{ a, b, c, d, e, f \}$

<h3>Step-by-step explanation:</h3>

Given:

$A = \{ a, b, c, d \}$

$B = \{ b, d, e \}$

$C = \{ d, e, f \}$

The Union ( $\cup$ ) of sets $A$ and $B$ is just a set containing all the elements of sets $A$ and $B$ . However, elements that are present in both sets should not repeat in the Union of Sets as the elements of a set should distinct be from each other.