2 years ago

(Absolute value of 12 - 20) - (27/3 + 11) ^2

Mathematics

1 answer:

rodikova [14]2 years ago

6 0

Answer:

the answer is 400-8=394.

Step-by-step explanation:

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Answer:

2nd

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3 years ago

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3x + 2y = 12 y = x - 9<br> solve by substitution

mezya [45]

Point form: (6,-3)
equation form: x=6, y=-3

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2 years ago

X – 2y = 1<br> 2x + 3y = -12

lions [1.4K]

Answer:

x= -3

y= -2

From the first one, if you add 2y to both sides you can plug that into the second one and solve for y. Then, plug y to the first one and solve for x.

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2 years ago

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x^2+2x+7=21 the approximate value of the greatest solutoon to the equation, rounded to the nearest hundreth

daser333 [38]

9514 1404 393

Answer:

x ≈ 2.87

Step-by-step explanation:

We can subtract 6 to put the equation into a form easily solved.

x^2 +2x +1 = 15

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x +1 = √15 . . . . . for the greatest solution, we only need the positive root

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4 0

2 years ago

The length of a rectangle is 6 inches longer than it’s width what are the possible widths if the area of the rectangle is at lea

stealth61 [152]

Let the width = x

length = x + 6

(x + 6) * x = 667

Simplify

x² + 6 = 667

x² + 6 (-6) = 667 (-6)

x² = 661

√x² = √661

x = √661

x = 25.71 (rounded)

25.71 in. is your width

hope this helps

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3 years ago