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4 years ago

6÷2(1+2) I WILL GIVE 15 PTS TO CORRECT PERSON

Mathematics

1 answer:

Luba_88 [7]4 years ago

6 0

Answer:

Step-by-step explanation:

Make sure to use PEMDAS.

$6/2(1+2)\\\text{Simplify.}\\3(3)\\\text{Simplify.}\\9$

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Helphelp help help help

defon

Answer:

very difficult for me so ask someone

7 0

3 years ago

Hurry i need the answers quick!!!!!!!!!!!!!!!!!!!!!!

finlep [7]

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8 0

3 years ago

What was Dimitri's mistake? He mixed up the coordinates of the ordered pair when Substituting it into the equations 7x+9y=-4 and

seropon [69]

Answer:

He made a mistake in his calculations when simplifying 5x - 2y

Step-by-step explanation:

Given

The coordinate pair

$(x,y) = (2,-2)$

The equations

$7x + 9y = ?$

$5x - 2y = ?$

Dimitri's Solution

$Equation\ 1: 7x + 9y = -4.$

$7(2) + 9 (-2) = -4.$

$14 + (-18) = -4.$

$-4 = -4.$

$Equation\ 2: 5x -2y = 6.$

$5(2) - 2 (-2) = 6.$

$10 - 4 = 6.$

$6 = 6.$

Required

Identify Dimitri’s mistake

In the first equation, Dimitri made no mistake.

However, he made a mistake when simplifying the second equation.

We have:

$5x - 2y$

and

$(x,y) = (2,-2)$

Substitute $x = 2$ and $y = -2$

So, we have:

$5(2) -2(-2)$

Open bracket

$10 +4$

Finally, we have:

$14$

7 0

3 years ago

Please answer thank you

mariarad [96]

Answer:

0. If it's a horizontal line, then the slope if automatically 0. if the line went straight up the slope would be "no slope" or "unidentified" your problem has a horizontal line so the slope is 0

4 0

3 years ago

saveliy_v [14]

$26.60 would be you’re answer i believe

6 0

3 years ago