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Sergeeva-Olga [200]
3 years ago
14

Geometry! Please help! What is the area of this triangle?

Mathematics
1 answer:
djverab [1.8K]3 years ago
3 0
In both cases, the area of the triangle can be computed from the formula
  A = (1/2)bh
where b is the length of the base, and h is the height perpendicular to the base.

1. It is convenient to use DE as the base. Its length is 4-1 = 3. Then the height is the distance from F to DE, which is 1-(-3) = 4. By the formula, the area is
  A = (1/2)(3)(4) = 6

2. It is convenient to use LK for the base. Its length is 4-0 = 4. Then the height is the distance from J to the line y=-5, which is -1-(-5) = 4. By the formula, the area is
  A = (1/2)(4)(4) = 8
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If the equation is 4x+1/3=20, your answer would be x=59/12.
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A number N is greater than 3. Which of the following best represents the location of 3N
Nesterboy [21]

Answer:

The second number line represent the location of 3N values.

Step-by-step explanation:

The first number line represent the inequality <em>N</em> > 3.

Now, the new number is 3<em>N</em>.

Consider the second number line values:

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The second number line represent the location of 3N values.

5 0
3 years ago
HELP PLEASE!! WILL GIVE BRAINLIEST!!!
beks73 [17]

Answer:

Slope = 2 Y-Intercept = (0, 3)

Step-by-step explanation:

Slope : \frac{Rise}{Run}  which is \frac{y2 - y1}{x2 - x1} from two points: point1 (x1 , y1) and point2 (x2, y2).

For the purpose of getting the slope I will be using point (0, 3) as point 1

and point (-3, -3) as point 2.

If you plug in 0 as x1, 3 as y2, -3 for x2, and -3 for y2:

\frac{-3 - 3}{-3 - 0} = \frac{-6}{-3} = 2

Y-Intercept: The y intercept is the point where the line is touching the y axis. Which in this graph, there is only point (0,3).

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