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yawa3891 [41]
2 years ago
9

Hiii please help i’ll give brainliest if you give a correct answer tysm!

Mathematics
1 answer:
SVETLANKA909090 [29]2 years ago
8 0

Answer:20 people

Step-by-step explanation:

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Given that a randomly chosen quadrilateral has four right angles, what is the probability that the quadrilateral also has four e
Alexxx [7]

Answer:

0.25

Step-by-step explanation:

This is the question on conditional probability

Let A - the quadrilateral has four right angles

B - the quadrilateral has four equal side lengths

Required probability = P(B/A)

By definition of continuous probability

P(B/A) = \frac{P(AB)}{P(A)}

P(AB) = \frac{2}{20} =0.10

P(A) = \frac{8}{20} =0.4

Hence given probability = \frac{0.1}{0.4} =0.25

7 0
3 years ago
Please help me again
Vikentia [17]

Answer:

y = 10

Step-by-step explanation:

<u>Since all sides are equal, that means all angles are 60 degrees. 60 + 60 + 60 = 180</u>

<u />

5y + 10 - 10 = 60 - 10

5y / 5 = 50 / 5

y = 10

Answer:  y = 10

7 0
3 years ago
Seven less than three times a number is two.
Stells [14]

Answer:

let x be the number

seven less than three times a number ==> 3x - 7

Step-by-step explanation:

6 0
2 years ago
Here are the ingredients for a cake. 0.225 kg butter 225 g sugar 225 g flour 0.2 kg eggs 250 g berries How much do the ingredien
viktelen [127]

Answer:

1125.

Step-by-step explanation:

I'm going to work out the answer is <u><em>grams</em></u>.

1kg = 1000g

0.225kg of butter = 225g, 225g of sugar, 225g of flour, 0.2kg of eggs = 200g, 250g of berries.

225 + 225 + 225 + 200 +250 = 1125.

Hope that helps. x

5 0
2 years ago
Read 2 more answers
Solve the equation –2/3x = –12.
Ulleksa [173]

Answer: x = 18

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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