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andriy [413]
3 years ago
14

The number line below represents which combined inequality?

Mathematics
2 answers:
marishachu [46]3 years ago
8 0

Answer with explanation:

Description about Number line:

→Number line with a closed circle on negative 2, shading to the left and a closed circle on 4, shading to the right.------(1)

⇒Taking the fragment of the above sentence,"till shading to left" and describing it in terms of Inequality

x ≤ -2-------(2)

x∈(-∞,-2]

And,Now writing another half of the sentence--(1) in terms of inequality,

x≥4---------(3)

x∈[4,∞)

Why i have ,taken equal to sign into consideration, the reason is that the two circles which are marked on -2 and 4, tells us that these points must be considered,while writing inequality

Combining ,(2) and (3),we get

⇒x less than or equal to −2 or x greater than or equal to 4

tiny-mole [99]3 years ago
6 0
Closed circle means that the inequality conatains 'equal' 

Its C
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A fast-food company is interested in knowing the probability of whether a customer viewed an advertisement for their new special
lord [1]

Answer:

45% probability that a randomly selected customer saw the advertisement on the internet or on television

Step-by-step explanation:

We solve this problem building the Venn's diagram of these probabilities.

I am going to say that:

A is the probability that a customer saw the advertisement on the internet.

B is the probability that a customer saw the advertisement on television.

We have that:

A = a + (A \cap B)

In which a is the probability that a customer saw the advertisement on the internet but not on television and A \cap B is the probability that the customers saw the advertisement in both the internet and on television.

By the same logic, we have that:

B = b + (A \cap B)

12% saw it on both the internet and on television.

This means that A \cap B = 0.12

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37% of customers saw the advertisement on the internet

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3 years ago
Find the area of the figure.
Contact [7]

area of rectangle= 8*13=104m^2

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Answer:

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Now combine the constants:

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So the equation is y= 2x+5 ....

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4 years ago
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