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3 years ago

-1/-293/7what is -1 / -2 * 9 * 3/7

Mathematics

2 answers:

Veseljchak [2.6K]3 years ago

7 0

27/14 or 1 13/14 or 1.928557143 either one is correct there just all simplified forms

KonstantinChe [14]3 years ago

4 0

-1/-2×9/1=9/2×3/7 9/2×3/7=27/14 I get 27/14

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-X² + 5x - 6 = 2<br> Using the quadratic formula

Ivenika [448]

$-x^2+5x-6=2\\-x^2+5x-6-2=0\\-x^2+5x-8=0\\$

↝ Form into $ax^2+bx+c = 0$ where a > 0 (Optional)

$x^2-5x+8=0$ ↝ Multiply -1 for both sides.

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x = [-b ± (√b²-4ac)]/2a ↝ Quadratic Formula

$x=\frac{-(-5)+-\sqrt{(-5)^2-4(1)(8)}}{2(1)}\\x=\frac{5+-\sqrt{25-32}}{2}\\$

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↝ Solution with Complex Number System ↝

$x=\frac{5+-\sqrt{25-32}}{2}\\x=\frac{5+-\sqrt{-7}}{2}\\x=\frac{5+-\sqrt{7}i }{2}$

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3 years ago

0.3(y+2)=1.7+(8-y) solve the following equation

Andrei [34K]

Answer:

y = 7

Step-by-step explanation:

0.3y+0.6 = 9.7 - y

0.3y+y = 9.7 -0.6

1.3y = 9.1

y= 7

sorry it had an error

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3 years ago

-1/-2*9*3/7what is -1 / -2 * 9 * 3/7

-1/-293/7what is -1 / -2 * 9 * 3/7