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snow_tiger [21]
3 years ago
7

L

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
5 0

Answer:

(Z + 2•)

Step-by-step explanation:

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Easy 30 points ……………
cricket20 [7]

Answer:

D.

Step-by-step explanation:

it should be the sales tax because you pay a little bit more.

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2 years ago
Which three lengths could be the lengths of the sides of a triangle?
Talja [164]
I am assuming the answer could be C
8 0
3 years ago
Read 2 more answers
Which inequality represents all values of x for which the product below is defined
zavuch27 [327]

Answer:

(-∞, -2) ∪ (0, ∞)

Step-by-step explanation:

Multiply together the (7x) and the (x+2), obtaining 7x^2 + 14x.  This is the correct argument (input) to Answer A.

Since the domain of the square root function includes "all real numbers equal to or greater than 0," we set 7x^2 + 14x = to 0.  This factors to the original 7x*(x+2), set equal to 0.  The roots are 0 and -2.  

These two values create three intervals:  (-∞, -2), (-2, 0) and (0, ∞).

Choosing test numbers, one from each interval:  {-5, -1, 1}.

7x^2 + 14x is + at x = -5, - at x = -1, and + at x = 1.

Thus, the domain of this function is  (-∞, -2) ∪ (0, ∞).  In other words, the product shown is defined on  (-∞, -2) ∪ (0, ∞).

5 0
3 years ago
I need help with this ?
Alex

Answer:

Joshua worked 4 hours and luke worked 7

Step-by-step explanation:

25x + 35x +105 = 345

60x = 345 - 105

60x = 240

x = 240/60

x = 4 hours

8 0
2 years ago
Adrian is drawing a map to show the directions from his house to his grandmother's house. He uses a scale of 1 1/2
Nadya [2.5K]
It’s going to be 4 1/2 inches.
36/12=3
3x1 1/2=4 1/2
8 0
2 years ago
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