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3 years ago

This graph shows which inequality?**one is the graph and the other are answers*

Mathematics

2 answers:

EastWind [94]3 years ago

4 0

Answer:

It is Greater than or equal to -3

Reason:

A filled dot means greater/less than or equal to.

pantera1 [17]3 years ago

3 0

<u><em>Answer: C. a ≥ -3</em></u>

Step-by-step explanation:

Inequality is a statement that compares mathematical expression that are not equal. The expressions are separated by an inequality symbol (<, >, ≤, ≥, or ≠). The arrow points to the right. The circle is closed.

Hope this helps!

Thanks!

Have a great day!

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What is the equation of the line that is parallel to the linear graph of y = 2x - 1 and passes through the point (-1, 1)?

gogolik [260]

Answer:

The equation of the line that is parallel to the linear graph of y = 2x - 1 and passes through the point (-1, 1) will be:

$y=2x+3$

Hence, option D is true.

Step-by-step explanation:

We know that linear function can be represented using the slope-intercept formula

y = mx+b

where m is the slope and b is the y-intercept

Given the equation

y = 2x - 1

comparing with the slope-intercept form y = mx+b

Hence, the slope of the line y = 2x - 1 is: m = 2

We know that the parallel lines have the same slopes.

Thus, the slope of the equation of the line that is parallel to the linear graph of y = 2x - 1 will also be: 2

Using the point-slope form of the line equation

$y-y_1=m\left(x-x_1\right)$

where m is the slope of the line and (x₁, y₁) is the point

substituting the values of the slope = 2 and the point (-1, 1)

$y-1=2\left(x-\left(-1\right)\right)$

$y-1=2\left(x+1\right)$

Add 1 to both sides

$y-1+1=2\left(x+1\right)+1$

Simplify

$y=2x+3$

Therefore, the equation of the line that is parallel to the linear graph of y = 2x - 1 and passes through the point (-1, 1) will be:

$y=2x+3$

Hence, option D is true.

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3 years ago

What is the answer 2(9-6)^2/18

Marizza181 [45]

Answer:

Step-by-step explanation:

So just follow order of operations

9-6=3

3^2=9

9*2=18

18/18=1

Final answer is 1

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2 years ago

Solve the following system of equations by the substitution method. 10x+10y=1.

Klio2033 [76]

Answer:

Since one equation already has one variable isolated(x), it gives you a "value" to input into the other equation to use to solve for the other variable(y).

10(y-3) + 10y = 1

10y - 30 + 10y = 1

20y - 30 = 1

20y = 31

y = 31/20 or 1.55

Now you can use this value to solve for x in one of the original equations.

x = (31/20) - 3

x = -29/30 or -1.45

Hope this helps!

Step-by-step explanation:

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Taya2010 [7]

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Step-by-step explanation:

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