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sveta [45]
2 years ago
13

Please help i'll give brainliest

Mathematics
1 answer:
DiKsa [7]2 years ago
8 0

Step-by-step explanation:

24m , 75 m . 54 ,

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Please solve this question.
andre [41]
  • <em>Answer:</em>

<em>x = - 2</em>

<em>y = 5</em>

  • <em>Step-by-step explanation:</em>

<em>Hi there ! </em>

<em>2x + 9 = y</em>

<em>y = - 4x - 3</em>

<em> </em>

<em>equality</em>

<em>2x + 9 = - 4x - 3</em>

<em>2x + 4x = - 9 - 3</em>

<em>6x = - 12</em>

<em>x = - 12 : 6</em>

<em>x = - 2</em>

<em>replace x = - 2</em>

<em>2(-2) + 9 = y</em>

<em>- 4 + 9 = y</em>

<em>y = 5</em>

<em>Good luck !</em>

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8 0
3 years ago
AO ⊥ (BCD)
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Answer:

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3 years ago
Where are the minimum and maximum values for f(x) = -2 + 4 cos x on the interval (0,21]?
Dafna11 [192]

Answer:

Step-by-step explanation:

Maximum value is when cos x = 1

So it is -2 + 4(1) = 2.

Minimum value, when  cos x = -1:

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4 0
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What is the solution to the system of equations {−3x+5y=12 7x−5y=−28?
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Answer:

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Step-by-step explanation:

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N six years, john will be four times as old as mary is right now. right now, john is twice as old as mary. how old is john
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John is 6 years old and mary is 3. 
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