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kvv77 [185]
3 years ago
11

Solve x − 2y = 6 3x − 6y = 18

Mathematics
1 answer:
klemol [59]3 years ago
4 0

Answer:

4

3*4-6*4=18

Step-by-step explanation:

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Lenny rolls two number cubes. What is the probability that the sum of the numbers Lenny rolls is either 4 or 7?
Mashutka [201]

Probability of an event =


(number of ways the event can happen) / (total number of possible outcomes) .


Well, the total number of possible outcomes is easy. It's


(6 possibilities for the first cube) x (6 possibilities for the 2nd cube)


= 36 total possible ways for two cubes to roll.


Now, how many of those possibilities show either 4 or 7 ?


Well, here's how a 4 can come up:


1 . . . 3

2 . . . 2

3 . . . 1


and here's how a 7 can come up:


1 . . . 6

2 . . . 5

3 . . . 4

4 . . . 3

5 . . . 2

6 . . . 1 .


So there are 9 ways all together for Lenny to be successful.


The probability is (9/36) .


That's 1/4 , or 25% .

7 0
3 years ago
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Scilla [17]
You need the Law of Cosines here and you use it when you have 2 sides and an enclosed angle.  The side across from the angle is the one we are looking for.  The correct way to express the Law using what we have is the last choice above.  Side RT is the unknown, and it is across from the angle that is enclosed between the 2 other sides.
3 0
3 years ago
A recipe calls for 0.5 cup of milk for every 0.75 cup of flour. How much milk is required for every cup of flour?
lakkis [162]

Answer:

3/2 or 1.5

Step-by-step explanation:

0.75 times 4 is 3

0.5 times 4 is 2

Your answer is 3/2 or 1.5

8 0
3 years ago
Help plz is 1-8 right??!!!
PSYCHO15rus [73]

Answer:

yes

Step-by-step explanation:

since its more than 90 dgree

6 0
3 years ago
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Jordan has $55 . she ears $67 by doing chores how much money does jordan have now?
miss Akunina [59]
She now has $122. If you add $55 and $67, since that is how much she earned doing chores, it will give you your answer. Hope this helped!
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3 years ago
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