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Illusion [34]
2 years ago
15

How to do math easily

Mathematics
1 answer:
katrin [286]2 years ago
7 0

Step-by-step explanation:

Keep quit when they a teaching you and stay with participanting people/friends

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Tyler’s family spent 90 minutes on the trolley sightseeing tour. If they spent 36 minutes riding the trolley and about 9 minutes
e-lub [12.9K]
Removing the time spent on riding the trolley:
90-36=54
And the rest of the time on the sights
Then 54/9= 6
They stopped at 6 sights
5 0
2 years ago
HELP
rjkz [21]
This can be solve using systems of linear equation Let x be the number of milk chocolate candy bar sold Y be the number of white chocolate sold  
X + y = 330
2x + 3y = 900
X = 90
Y =240 white chocolate  
2. Website 1: y = 1.5x +30
<span>Website 2: y = 2x</span>
3 0
3 years ago
A fair coin and a biased coin where the probability of obtaining a head is twice the probability of obtaining a tail. if both ar
Art [367]

Answer:

See below in bold.

Step-by-step explanation:

For the fair coin Prob(head) = 1/2 and Prob(Tail) = 1/2.

For the biased coin it is   Prob(head) = 2/3 and Prob(Tail) = 1/3.

a) Prob(2 heads) = 1/2 * 2/3 = 1/3.

b) Prob(2 tails) = 1/2 * 1/3 = 1/6.

c) Prob(1 head ) = Prob(H T or T H) = 1/2 * 1/3  + 1/2 * 2/3) = 1/6+1/3 = 1/2.

d) Prob (at least one head) = prob (HH or TH or HT) =  1/3 + 1/2 =<em> </em>5/6.

4 0
3 years ago
2x ≤ 12<br> Select the appropriate response<br> A2x ≤ 12 <br> B)x≤4 <br> C)x≤6<br> D)x ≤ 10
Monica [59]

Answer:

c x ≤ 6

Step-by-step explanation:

2x ≤ 12

Divide each side by 2

2x/2 ≤ 12/2

x ≤ 6

8 0
3 years ago
Jeffrey is making a passcode for his new phone. He decides to create a 6
torisob [31]
About 750 different permutations
6 0
3 years ago
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