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igor_vitrenko [27]
3 years ago
12

PLZ HALP ME!!! eek I will give brainliest, 5 stars, and a thanks

Mathematics
1 answer:
Elena L [17]3 years ago
8 0

Answer: x = 6

Step-by-step explanation:

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Solve 3(x – 6) + 3 = –9.
Alik [6]

Answer:

d) x = 2

Step-by-step explanation:

3(x - 6) + 3 = -9

<em>open the parenthesis</em>

3x - 18 + 3 = -9

3x - 15 = -9

<em>add 15 to both sides of the equation</em>

3x - 15 + 15 = - 9 + 15

3x = -9 + 15

3x = 6

<em>divide both sides by 3</em>

3x/3 = 6/3

x = 6/3

x = 2

5 0
3 years ago
19-3/4n in standard form
juin [17]

Answer:

So, if you need to convert the fraction into a decimal, 3/4=0.75. So, I think it's 19-0.75 I'm not sure if I'm correct.

Step-by-step explanation:

4 0
3 years ago
I need help please help
sergij07 [2.7K]

Answer:

21u-16v+18w

Step-by-step explanation:

(7u-4v+4w) 14u-12v+14w

21u-16v+18w

3 0
3 years ago
Read 2 more answers
Please solve and show how. I get a different answer each time. <br><br> -3(8 - x)
user100 [1]
Multiply -3 to both numbers

-3 multiplied by 8 is equal to - 24
-3 multiplied by -x is 3x (should be positive for double negative)

answer: 3x-24
8 0
3 years ago
A coin bank has 250 coins dimes and quarters worth 39.25 how many of each type of coins are there?
Maurinko [17]
Set up a system of equations.

0.10d + 0.25q = 39.25
d + q = 250

Where 'd' represents the number of dimes, and 'q' represents the number of quarters.

d + q = 250

Subtract 'q' to both sides:

d = -q + 250

Plug in '-q + 250' for 'd' in the 1st equation:

0.10(-q + 250) + 0.25q = 39.25

Distribute 0.10:

-0.10q + 25 + 0.25q = 39.25

Combine like terms:

0.15q + 25 = 39.25

Subtract 25 to both sides:

0.15q = 14.25

Divide 0.15 to both sides:

q = 95

Now plug this into any of the two equations to find 'd':

d + q = 250

d + 95 = 250

Subtract 95 to both sides:

d = 155

So there are 95 quarters and 155 dimes.
8 0
3 years ago
Read 2 more answers
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