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DiKsa [7]
3 years ago
5

2(2x + 3) = -6(x + 9)

Mathematics
1 answer:
sergeinik [125]3 years ago
6 0

Answer:

Your answer is -6.

Step-by-step explanation:

Simplify 2(2x+3) to get 4x+6  

Then simplify -6(x+9) to get -6x-54

Now you have 4x+6=-6x-54

Move all of the coefficients to one side:

10x+6=-54

Move all of the constants to the other side:

10x=-60

Divide each side by 10:

10/10x=-60/10

To get your answer of -6.

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3 years ago
Mark rolls 2 fair dice and adds the results from each.
Natali5045456 [20]

Answer:

P ( X > 5 ) = 72,2 %

Step-by-step explanation:

The probability of success ( outcomes bigger than 5 )

If dice  1  outcome is 6 no matter wich outcome we get from dice 2 all events are successful, the we have 6 outcomes

If dice 1 outcome is 5  we also have  6 outcomes

If dice 1  outcomes is 4 we have 5 positive outcomes

If dice 1  outcome is 3  we have 4 positive outcomes

If dice 1  outcome is 2  we have 3 positive outcomes

if dice 1  outcome is 1  we have 2 positive outcomes

Total evaluating dice 1: positive outcomes 26

We will get the sames results analysing  dice 2 then we have a total of

52 successful events

And total numbers of outcomes is 36 + 36 = 72

Then

P ( X > 5 ) = 52/72  

P ( X > 5 ) = 0,722    

P ( X > 5 ) = 72,2 %

7 0
4 years ago
12+3y+y=?<br> What is the answer?
puteri [66]

Answer:

12+4y

Step-by-step explanation:

12+3y+y=12+4y

3 0
3 years ago
Read 2 more answers
If tickets for a concert cost $9 each, how many tickets can you buy if you have $135?
bija089 [108]

Answer:

15

Step-by-step explanation:

135 divided by 9 = 15

3 0
3 years ago
Angelica colored in 0.60 of the squares on her grid. What is the expression 0.60 as tenth in fraction
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If I understand the question correctly, 6/10.
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3 years ago
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