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Bess [88]
3 years ago
12

What is the area of this triangle? please help me.

Mathematics
2 answers:
motikmotik3 years ago
8 0

Answer:

6 units²

Step-by-step explanation:

The area (A) of a triangle is calculated using the formula

A = \frac{1}{2} bh ( b is the base and h the height )

here b = DE = 3 units and

h is the distance from the vertex F to DE = 4 units, hence

A = \frac{1}{2} × 3 × 4 = 6 units²

olchik [2.2K]3 years ago
5 0

Answer:

6

Step-by-step explanation:

Area of a triangle: bh/2

4*3/2=6

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Step-by-step explanation:

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2 years ago
Read 2 more answers
In the figure below, L N equals 4 x minus 7 and M O equals 2 x plus 13. For which value of x is the figure a rectangle?
Georgia [21]

For this case we have the following data:


LN = 4x-7

MO = 2x + 13

So that the figure can be a rectangle, its diagonals must be equal, that is, LN = MO

In this way we have:


4x-7 = 2x + 13

Clearing x we have:

4x-2x = 13 + 7 \\2x = 20

x=\frac{20}{2} \\x = 10

Thus, x must be equal to 10 so that the figure is a rectangle.


Answer:


x = 10

Option A

3 0
3 years ago
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gogolik [260]

Answer:

The answerscan be calculated by doing the following steps;

Step-by-step explanation:

7 0
3 years ago
Y=3(x+1)(x-5)<br><br> Explain how to solve these quadratics.
olya-2409 [2.1K]
Y=3(x+1)(x-5)
I'm going to ignore 3 for now, but will add it later.
FOIL the (x+1)(x-5)
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I = multiply the Inside number        1 and x
L = multiply the Last numbers        1 and -5
3(x^2 + -5x + 1x + -5)
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3(x^2 + -4x + -5)
multiply the numbers inside the parenthesis by 3
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5 0
3 years ago
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xxMikexx [17]

Answer:

7:35

Step-by-step explanation:

we take the 35 and 45 and add it together, then take out the 60 minutes and put that in as an hour. the practice is two hours long plus the hour we took out. then the remaining minutes are 20. we add 20 minutes and three hours

7 0
3 years ago
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