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Alexxandr [17]
2 years ago
8

Simplify. 4 × (8 + 5) + 9 45 46 61 62

Mathematics
1 answer:
Darya [45]2 years ago
7 0

Answer:

61

Step-by-step explanation:

4 × (8 + 5) + 9

Parentheses first

4 × (13) + 9

Then multiply

52 +9

Then add

61

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sergij07 [2.7K]

Answer:

N = 3

Step-by-step explanation:

\frac{28}{4}  =  \frac{21}{N}  \\  \\ 28N = 21 \times 4 \\ 28N = 84 \\  \\ N =  \frac{84}{28}  \\  \\ N = 3

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Brilliant_brown [7]

After solving the equation (work shown in image) your answer would be x > -2. I drew an image of how the number line should look at least similar to, using the solution.

*whenever you divide or multiply with a negative number reverse/flip the sign

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≥ or ≤ signs will have a closed/filled in circle

TIP: To know which way the arrow should point, look at the sign and think of it as an arrow.

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If f (x) = -2(x + 7), then what is f (3)?
dezoksy [38]

Answer:

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Step-by-step explanation:

just plug 3 for x.

4 0
3 years ago
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