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Mnenie [13.5K]
1 year ago
12

Use the order of operations to find the value of the following expression. (4-9)(-4-1)

Mathematics
1 answer:
uysha [10]1 year ago
3 0
Answer is 25

Step by step.

We know PEMDAS is the order of operations, so Parentheses is first.

(4-9) (-4-1)
(-5) (-5)

Now multiply (-5)(-5)

Answer is 25
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Use the pythagorean theorem to find the missing side. Round your answer to the nearest tenth
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Answer:

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Step-by-step explanation:

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8 0
3 years ago
I need help with elimination with substitution. The equations are 3x+4y=19 and 3x+6y=33
olganol [36]
For elimination, multiply one whole equation by negative one (-1), then add or subtract according to your signs. After that, it will be a one-step equation.

3x + 4y = 19          3x + 4y = 19             3x + 4y = 19          -2y = -14        y = 7
3x + 6y = 33     -1 (3x + 6y = 33)          -3x - 6y = -33          -14 / -2

Then you would go back and substitute the value of (y) back into either equation and then solve for the remaining variable (x). Finally, use both values to make an ordered pair.

3x + 4y = 19          3x = -9          x = -3          (-3 , 7)
3x + 4(7) = 19       (-9 / 3)
3x + 28 = 19          

Good Luck

4 0
2 years ago
Find the rule for each table in the pic please
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(left table) the first one is add 1(on left) and add 4 (on right)
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add 1(on left) and add 3 (on right)
3 0
3 years ago
Read 2 more answers
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