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miss Akunina [59]
2 years ago
12

1. What's the probability that a respondent was a boy AND in year 8?

Mathematics
1 answer:
sdas [7]2 years ago
6 0

Answer:

8/18?

Step-by-step explanation:

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Three pencils cost 75p altogether. how much will it cost to buy 6 pencils?
Svetllana [295]
The cost for six pencils would be a total of 150p
The reason why is if three pencils cost 75p and you want to know what the cost of six, since three is half of six you would do this (if 3=75p then 3*2=75p*2 which is 6=150p). As shown, you multiply each side by 2 or double each side
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PLEASE HELP ASAP PLS !!! WILL MARK BRAINLIEST !!
barxatty [35]

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i believe it's 31°. not messing around either

7 0
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Simplify the expression 6h+​(−8.7d​)−13+6d−3.3h.<br> 6h+​(−8.7d​)−13+6d−3.3h=
mezya [45]

Answer:

 -2.7d+2.7h-13

6 0
3 years ago
What’s the length of the hypotenuse?
denis23 [38]

a² + b² = c²

9² + 12² = c²

81 + 144 = c²

225 = c²

15² = c²

15 = c

7 0
3 years ago
Please help me this is due in less than 45 minutes!
Natasha_Volkova [10]

Answer:

1.) It's 20th century painting

2.) 0.5 probability

Step-by-step explanation:

If the universal = 60

We need to first get the value of X. That is,

x (x - 2) + x + 2x + 8 + 10 = 60

First open the bracket

x^2 - 2x + x + 2x + 8 + 10 = 60

x^2 + x + 18 = 60

x^2 + x - 42 = 0

Factorise the above equation

x^2 + 7x - 6x - 42 = 0

x (x + 7) -6(x + 7) = 0

x = 6 or - 7

Since x can't be negative, so we will ignore -7

The value for T = 6(6 - 2) = 6×4 = 24

The value for B = 2(6) + 8 = 12 + 8 = 20

If a painting is chosen from random,

If it's from 20th century, the probability will be 34/60 = 0.567

If it's from British painting, the probability will be 30/60 = 0.5

We can therefore conclude that it's from 20th century painting since it has higher value of probability.

The the probability of choosing a British painting will be 30/60 = 0.5

5 0
3 years ago
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