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icang [17]
2 years ago
12

Solve the equation for x: X^2=169

Mathematics
1 answer:
Lina20 [59]2 years ago
5 0

Answer:

13

Step-by-step explanation:

Since x is squared, the inverse operation would be square root. So, the square root of 169 is 13.

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12(4j+3)

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Round off the following decimal numbers to the nearest whole number.​
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where are the decimal numbers?

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2 years ago
17 less than 12 times a certain number (m) IS 23 less than six times the same
REY [17]

Answer:

  m = -1

Step-by-step explanation:

12 times the number is 12m

17 less than that is 12m -17.

23 less than 6 times the number is 6m-23.

These expressions  are said to be the same:

  12m -17 = 6m -23

  6m -17 = -23 . . . . . . . . subtract 6m from both sides

  6m = -6 . . . . . . . . . . add 17 to both sides

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The value of m is -1.

3 0
2 years ago
Simplify 3{[3(9 – 2)] + [7(8 – 1)]}
Mekhanik [1.2K]

Answer:

<u>210</u>

Step-by-step explanation:

Use the order of operations pemdas( <u>p</u>arenthesis, <u>e</u>xponent, <u>m</u>ultiply, <u>d</u>ivide, <u>a</u>dd, <u>s</u>ubtract)

first do everything within the parenthesis.

3 ( ( 3 (9-2) ) + ( 7 (8-1) ) )

3 ( ( 3 (7) + ( 7 ( 7 ) ) )

3 ( ( (21) + (49) ) ) )

3 ( ( 21 + 49 ) )

3 ( 70 )

3 (70) = 70 + 70 + 70 = 140 + 70 = 210

6 0
3 years ago
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