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bija089 [108]
3 years ago
11

Which relation is a function?

Mathematics
1 answer:
mojhsa [17]3 years ago
8 0

Using the vertical line test, Choice A is the only function

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The expression x + 0.25x can be used to determine a 25% increase in the number of blog views from last month to this month. What
Drupady [299]

Answer:

1.25x

Step-by-step explanation:

Given that :

25% Increase in number of blog views can be expressed as (x + 0.25x)

Another way to make this representation is :

Total number of blog views + 25% of total

Total should add up to 100%

Let number of views = x

Hence,

(100% + 25%) of x

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Why is the percent increase from 45 to 75 not equal to the percent decrease from 75 to 452 Select three options
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Answer:the ratio of the % increase has a different numerator from decrease

Step-by-step explanation:

7 0
3 years ago
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The table represents a linear equation.which equation shows how (-10,8) can be used to write the equation of this line is point-
larisa86 [58]

Answer:

\large\boxed{y-8=-0.2(x+10)}

Step-by-step explanation:

The point-slope form of an equation of a line:

y-y_1=m(x-x_1)

m - slope

(x₁, y₁) - point

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

From the table we have the points (-10, 8) and (10, 4). Substitute:

m=\dfrac{4-8}{10-(-10)}=\dfrac{-4}{20}=-\dfrac{1}{5}=-0.2

The equation of a line:

y-8=-0.2(x-(-10))\\\\y-8=-0.2(x+10)

5 0
2 years ago
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grandymaker [24]

Answer:

11 calls

Step-by-step explanation:

She has already spent 42 min. Also she wants to talk for 2 min per call. We can change calls on x. So, only 2x min for her calls left.

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2x= 22

x=11

Answer: 11 calls

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3 years ago
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57 because it is right n mark ne brain list please
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