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k0ka [10]
2 years ago
13

C) How could you use estimation to determine if your answer is reasonable? Explain.

Mathematics
1 answer:
Sliva [168]2 years ago
8 0
Estimation would give you an answer close to the actual answer so you can see if your answer is reasonable depending on how close the estimate is
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One line is y = 3x + 2 and the other line goes through the point (0, -5). Write equation of line.
Lady_Fox [76]

Answer:

y=3x-4 is the slope-intercept form of the equation of a line.  It is in the form y=mx+b.

    m is the slope (often called "rise over run") and b is the y-intercept (the point where x=0).

The y-intercept is the point (0,-4).

We need one other point.  This is where finding easy calculations pays off.  How about where x=2, y=(3)(2)-4 = 2.

That's the point (2,2).

Step-by-step explanation:

tell me if you get it

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An isosceles triangle has a perimeter of 16. Two legs have length L an the center has a length of six. What is the area of the t
Dmitriy789 [7]

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Step-by-step explanation:

8 0
3 years ago
How do u solve 4(3x-1)=9-x
Nastasia [14]

Answer:

x = 1

Step-by-step explanation:

Well the first step is to apply the distributive property:

4(3x - 1) is equal to (12x - 4). You DISTRIBUTE a '4' to what is inside the parentheses.

And btw, to make it easier, you can make 9 - x so that x is first. For example, (-x + 9). They're both the same thing, just written differently.

Your new equation is 12x - 4 = -x + 9. You want to now solve the equation.

Add the (-x) to both sides. It cancels out on the right side and you add it to 12x on the left side.

[If there's no number in front of a variable, you can always just put 1 in order to make it easier]

12x + 1x = 13x. Your new equation is 13x - 4 = 9. This should look very familiar. You simply add 4 to both sides. 9 + 4 = 13

Finally, 13x = 13. Divide 13 ÷ 13 to get 1.

x = 1

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3 years ago
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