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svp [43]
3 years ago
15

Simplify the expression.

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
8 0
Always simplify expressions in the order of PMDAS
(Parenthesis, Multiplication, Division, Addition, Subtraction)
(4-1) = (3)
[(1+6) + 2] = [7 + 2] = (9)
(3)x(9) = 27
The answer is 27
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Graph the line with x-intercept 9 and y-intercept 7.<br>What is the slope m of this line?​
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7 0
3 years ago
I need help finding x
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Answer:

The answer to your question is      x = \sqrt{50}    or x = 5\sqrt{2}

Step-by-step explanation:

To solve this problem use the Pythagorean theorem because two right triangles are formed.

                    c² = a² + b²

c = 10

a = x

b = x     Because in a square all the sides measure the same.

                    10² = x² + x²

- Simplify

                    100 = 2x²

                    x² = 100/2

                   x² = 50

                    x = \sqrt{50}    or x = 5\sqrt{2}

         

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