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Lilit [14]
2 years ago
12

PLEASE HELP I DONT UNDERSTAND THIS :(

Mathematics
1 answer:
Irina18 [472]2 years ago
5 0
I have no idea what that is but good luck
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Line / is a straight line.
sergejj [24]

Answer:

the first and last one

Step-by-step explanation:

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2 years ago
I WILL DO ANYTHING YOU NAME IT BUT PLz SOLVE THIS
vekshin1

Answer:  AD = 9cm

Step-by-step explanation: This is a 30-60-90 triangle, so the hypotenuse is equal to twice the length of the short side of the right angle.

BC is the short side of the large triangle, so AB, the hypotenuse of the large triangle is 2×6, 12 cm

BC is also the hypotenuse of the small triangle, ΔBCD, so it is twice the length of BD, to that makes BD = 6/2= 3

Subtract BD from AB.  

That's 12 - 3  = 9 the length of AD

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2 years ago
What is bigger 0.125 or 0.0125
tangare [24]

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0.125 is the answer...........

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2 years ago
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Is 3/10 and 0.3 equivalent
dolphi86 [110]
Yes, they are! To divide something by ten, just move the decimal left one spot.
8 0
3 years ago
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A student who is trying to write a paper for a course has a choice of two topics, a and
Kitty [74]
Say she chooses topic A. She needs at least one book to arrive on time. The probability that no books arrive on time is 0.1 x 0.1 = 0.01 so the probability that at least one book arrives on time is 1 - 0.01 = 0.99.
Say she chooses topic B. She needs at least two books to arrive on time. The probability of no books arriving on time is 0.1 x 0.1 x 0.1 x 0.1 = 0.0001. The probability of exactly one book arriving on time is 4 x 0.1 x 0.1 x 0.1 x 0.9 = 0.0036 (binomial probability distribution formula - the 4 comes from 4C1). So the probability of her not getting enough books is 0.0001 + 0.0036 = 0.0037 and the probability she does get the books she needs on time is 1 - 0.0037 = 0.9963.
So she should choose topic B.
4 0
3 years ago
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