3 years ago

What is the value of the expression

Mathematics

1 answer:

Alexxandr [17]3 years ago

4 0

Answer: -6

Step-by-step explanation:u can do keep change switch which u do the expression to -12+(-3)+9

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First change the mixed number into a fraction greater than one 1 1/2= 3/2, then divide 2 into 3 which results in 1.5

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Which of the followeing represents the solution...<br><br> 4(9+3z)≤12+6z

julia-pushkina [17]

Solving the inequality $4(9+3z)\leq 12+6z$ we get $z\leq -4$

Step-by-step explanation:

We need to solve the inequality $4(9+3z)\leq 12+6z$

Solving:

$4(9+3z)\leq 12+6z$

Multiplying 4 with terms inside the bracket.

$36+12z\leq 12+6z$

Adding -36 on both sides:

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Adding -6z on both sides

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Divide both sides by 6

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So, solving the inequality $4(9+3z)\leq 12+6z$ we get $z\leq -4$

Keywords: Solving inequalities

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Step-by-step explanation:

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Read 2 more answers

How many solutions are there in 220=2x-12x

Elden [556K]

There will only be one solution to this problem.

220 = 2x - 12x

Combine like terms on the right side of the equation:

220 = - 10x

Divide both sides by - 10 to isolate the variable x.

220 / - 10 = x

-22 = x, one solution.

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