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AURORKA [14]
3 years ago
7

Solve the inequalities by graphing.

Mathematics
1 answer:
dlinn [17]3 years ago
3 0

Answer:

The 7th graph

blue, green, yellow

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Equation of the line passing through (7,5) and (1, 2)​
Trava [24]

Answer:

y = \frac{1}{2}x + \frac{3}{2}

Step-by-step explanation:

Assuming this is a linear equation in the form of y = mx + b, we can first solve for the slope using \frac{y_2 - y_1}{x_2 - x_1}, for these points, the slope would be \frac{1}{2}. Now we plug in the points to get the equation:

plugging in (7,5), we get 5 = \frac{1}{2} ×7 + b

and solving for b, we get b = \frac{3}{2}

therefore, the equation of the line passing through (7,5) and (1,2) is y = \frac{1}{2}x + \frac{3}{2}.

hope this helps!

6 0
1 year ago
Can someone explain HOW to simplify this algebraic fraction, as in tell me why and what I need to do for each step : 1-n/n^2-1
Andreyy89

- I’m assuming the expression implies the following:

(1-n)/(n^2 - 1)

The steps goes as follows:

= -(n-1)/(n^2-1) (factored a negative out)
= -(n-1)/[(n+1)(n-1)] (Factored denominator into a difference of squares, but don’t just blindly accept the fact, expand it and you should get the original denominator)

At this point, the (n-1) terms cancel, as you should know: a real number, besides 0, over itself is 1.

= -1/(n+1) , which is the answer

Note: You could also see it as 1/-(n+1) or 1/(-n-1)
8 0
2 years ago
Whatcha of the following represent the solution to the given quadratic inequality? y≤-x^2-3x+10?
iren2701 [21]

Answer:

correct do

Step-by-step explanation:

6 0
2 years ago
For each graph below, state whether it represents a function.
kow [346]

Answer:

Graph 1, 2, 5, 6 are not functions.

Graph 3, 4 are functions

Step-by-step explanation:

For every input there can only be one output to be a function.

3 0
3 years ago
The box plot suggests that Olga served fewer than what number of aces during about 75% of tennis matches
mariarad [96]

Answer:

d) 10

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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