Solve linear system: x-y=6 and 2x=12+2y

Answers

Answer 1

Answer: 2x = 2y + 12
2 2
x = y + 6

x - y = 6
(y + 6) - y = 6
y - y + 6 = 6
6 = 6

There are many infinite solutions in the problem.

Answer 2

Answer: Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.

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What is 6:12 in simplest form?A.2B.21C. 12D. 12.6

What is the 41st term -13,-17,-21,-25...

Answers

adds -4 each time
first term is -13
an=a1+(n-1)d
d=common difference
a1=first term
an=-13+(n-1)(-4)
an=-13-4(n-1)

41 term
a41=-13-4(41-1)
a41=-13-4(40)
a41=-13-160
a41=-173

-173

A firm produces 16,200 units at a total cost of $37,585.60. Find the cost per unit to the nearest cent.2.33
2.32
0.43
0.44

Answers

There are a total of 16 200 units with a total costs of 37 585.60 dollars. Now, Given with the choices for the answer, let's find out which one is correct. To be able to get the answer, simply divide the total costs, with the total number of units. => 37 585.60 dollars / 16 200 units => 2.3201 dollars per unit.Next, we need to round this cents to the nearest given options.Since the number next to hundredths is less than 5 , the let's round it to : => 2.32. - this is the correct answer.

Simplify.open parentheses fraction numerator h over denominator 5 end fraction close parentheses squared

Question 13 options:

fraction numerator h squared over denominator 25 end fraction

fraction numerator h squared over denominator 5 end fraction

fraction numerator h over denominator 25 end fraction

25 h squared

Answers

(h/5)^2 = (h/5)*(h/5) = (h*h)/(5*5) = (h^2)/25 or was you've put it
"fraction numerator h squared over denominator 25 end fraction"

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