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gayaneshka [121]
3 years ago
11

How do you combine variables?

Mathematics
2 answers:
VMariaS [17]3 years ago
6 0
You need to add like terms.

Example: 2x + 4y + 8x
Like Terms: 2x,8x
2x + 8x = 10x

New Equation =
10x + 4y
Alona [7]3 years ago
5 0
To combine variables, they need to be like terms.
Ex- x+x= 2x
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-2 with a exponent six
DIA [1.3K]
-2^{6} 

 =  -2 with a exponent six
Well Exponents mean that you multiply the number 6 times. 
Soo..
-2^{6} = -2 x -2 x -2 x -2 x -2 x -2 = 64 

So <span>-2^{6} = 64 
</span>
Good Luck! :)

5 0
3 years ago
Read 2 more answers
Members of the drama club spend $795 on t-shirts and sweatshirts for a play.They purchase 20 more tshirts than sweatshirts.They
Anika [276]

Answer:

The drama club bought 35 t-shirt

Step-by-step explanation:

Let

t-shirt = x

Sweatshirt = y

Total cost = $795

They purchase 20 more tshirts than sweatshirts

x = y + 20

The equation is:

12x + 25y = 795

12(y + 20) + 25y = 795

12y + 240 + 25y = 795

37y = 795 - 240

37y = 555

y = 15

Substitute y = 15 into

x = y + 20

x = 15 + 20

x = 35

t-shirt = 35

Sweatshirt = 15

The drama club bought 35 t-shirt

8 0
3 years ago
An equation and the steps to solve it are shown below:
Elan Coil [88]
Hello,

2x - one over four of (12x + 4) = 3
must be written:
2x-1/4 *(12x+4)=3
And we see a sign '-' before 1/4.

Step 1:
2x-(3x+1)=3 or 2x-3x-1=3 and not 2x+3x-1=3

Answer A
since  Step 1, because incorrect signs have been used








And here, Mehek are there sufficients explanations?


4 0
3 years ago
Read 2 more answers
The quotient of 2.6 and -2.6 is
Veseljchak [2.6K]

Answer:

-1

Step-by-step explanation:

4 0
3 years ago
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Which of the following is true concerning hull fouling from commercial shipping and recreational boating?
user100 [1]

Answer: C. It is difficult to prevent since ship hulls begin, conduct, and end voyages in water.

Step-by-step explanation:

4 0
3 years ago
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