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OleMash [197]
3 years ago
11

HELP PLZZZZ like asap

Mathematics
2 answers:
ZanzabumX [31]3 years ago
8 0

Answer:

B

Step-by-step explanation:

You can substitute the variables for the values!

7x = 21

3y = -6

2x = 6

y = -2

21 - (-6)

----------

6 + (-2)

27

----

4

Anestetic [448]3 years ago
7 0

Answer:

The answer is B

Step-by-step explanation:

✌

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Match each fraction, decimal, or percent with an equivalent fraction, decimal, or percent
Alik [6]

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Step-by-step explanation:

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The first thing we must do for this case is to define a variable.
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4 years ago
Read 2 more answers
Discrete MathA coin is flipped four times. For each of the events described below, express the event as a set in roster notation
Vladimir79 [104]

Answer:

a) 25%

b) 50%

c) 87.5%

Step-by-step explanation:

There are 2^4 = 16 number of outcome in total.

a)First and last flips come up heads. There are 4 outcomes here. Probability of the event is 4/16 = 1/4, or 25%.

- HHHH

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b) at least 2 Consecutive flips that is heads. There are 8 outcomes. Probability of event is 8/16 = 1/2, or 50%

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c) At least 2 consecutive flips that are the same. There are 14 outcomes. Probability of 14/16 = 7/8, or 87.5%

- HHHH

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- HHTT

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6 0
3 years ago
Multiple all the coordinates by 1/5.
Andrew [12]

Answer:

(-1,2) , (2,-1), (2,-1) , (-2,1)

Step-by-step explanation:

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6 0
3 years ago
Given the statement, LEI=BNZ and the diagrams shown, determine the value of x.
WARRIOR [948]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
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