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2 years ago

(7+5 + 4 . 13 - 2 Please simplify this expression with all steps thank you

Mathematics

2 answers:

FinnZ [79.3K]2 years ago

6 0

Answer:

We apply the BODMAS rule

(7+5+4).(13-2)

(16).(11)

=176

Hope was useful

seraphim [82]2 years ago

6 0

Answer: 62

Step-by-step explanation: 7+5+(4)(13)−2

12+(4)(13)−2

12+52−2

64−2

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3 years ago

3/4 − 2/5 in a fraction

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7/10

Step-by-step explanation:

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3 years ago

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Helppppp : 5×(2-x)+9-7x

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5×(2-x)+9-7x
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2 years ago

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Is the triangle with the given dimensions a right triangle? If so, which angle is the right angle? AB =10, BC= 8, CA= 5

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3 years ago

-X² + 5x - 6 = 2 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.

↝ Then proceed with the Quadratic Formula.

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

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

↝ As you can see that inside the square root, the numbers cannot be negative. Therefore, the solutions are imaginary.

↝ Solution with Real Numbers System ↝ There are no real solutions.

↝ Solution with Complex Number System ↝

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

Therefore, the answer for Complex Number System is (5±√7i)/2

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2 years ago