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Anon25 [30]
3 years ago
12

Figure ABCD is a parallelogram

Mathematics
2 answers:
dedylja [7]3 years ago
5 0
The answer would be C. 44 units. 

Nadya [2.5K]3 years ago
4 0

The first thing we must do for this case is to find the relationship between the variables.

We have then:

AB = DC\\4y - 2 = 2y + 6

From here, we clear the value of "Y":

4y - 2y = 6 + 2\\2y = 8

y = \frac{8}{2}\\y = 4

On the other hand we have:

AD = BC\\3x - 1 = 2x + 2

From here, we clear the value of "x":

3x - 2x = 2 + 1\\x = 3

Then, replacing values we have:

AB = DC = 4y - 2 = 4 (4) - 2 = 16 - 2 = 14\\AB = DC = 14

On the other hand:

AD = BC = 2x + 2 = 2 (3) + 2 = 6 + 2 = 8\\AD = BC = 8

Finally, the perimeter is given by:

P = AB + DC + AD + BC

Substituting values we have:

P = 14 + 14 + 8 + 8\\P = 44

Answer:

the perimeter of ABCD is:

44 units

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Answer:

0.675675675 = 67.57%

Step-by-step explanation:

P(P₀) = 0.76

P(P₁) = 0.09

P(P₂) = 0.02

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P(P₄) = 0.02

P(P₅) = 0.1

P(F) is the probability that the first painting is a forgery

P(F | P₀) = 0

P(F | P₁) = 0.2

P(F | P₂) = 0.4

P(F | P₃) = 0.6

P(F | P₄) = 0.8

P(F | P₅) = 1

P(P₅ | F) = [P(F | P₅) x P(P₅)] / {[P(F | P₁) x P(P₁)] + [P(F | P₂) x P(P₂)] + [P(F | P₃) x P(P₃)] + [P(F | P₄) x P(P₄)] + [P(F | P₅) x P(P₅)]}

P(P₅ | F) = (1 x 0.1) / [(0.2 x 0.09) + (0.4 x 0.02) + (0.6 x 0.01) + (0.8 x 0.02) + (1 x 0.1)] = 0.1 / (0.018 + 0.008 + 0.006 + 0.016 + 0.1) = 0.1 / 0.148 = 0.675675675 = 67.57%

3 0
3 years ago
Pls help will mark brainlist if correct !! :))
jok3333 [9.3K]

Answer:

E. 31

Step-by-step explanation:

Add the values together.

4 (2/6) + 3 (3/6) + 2 (3/6) = 9 (8/6) or 10 (1/3)

multiply 10 by 3 to find how many thirds there are and add 1 to that number for the extra 1/3.

7 0
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Answer:

2nd option

Step-by-step explanation:

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\sqrt{2} r = 66 ( divide both sides by \sqrt{2} )

r = \frac{66}{\sqrt{2} } × \frac{\sqrt{2} }{\sqrt{2} } ( rationalising the denominator )

r = \frac{66\sqrt{2} }{2} = 33\sqrt{2}

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