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MAVERICK [17]
2 years ago
10

Which expression has a value of 3?

Mathematics
1 answer:
Marina86 [1]2 years ago
6 0

Step-by-step explanation:

3(4 *to the power of 2* - 3*to the power of 2*)

  • 3(4²-3²)
  • 3(16-9)
  • 3(7)
  • 21

24-23 x 3

  • 24-23×3
  • 24-69
  • -45

3*to the power of 3* - 3*to the power of 2

  • 3³-3²
  • 9-6
  • 3

(6*to the power of 2* - 3) (9*to the power of 2* - 70)

  • (6²-3)(9²-70)
  • (36-3)(81-70)
  • (33)(11)
  • 363

Hence, Option d. is the correct answer because it gives answer 3 when it is solved.

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Use the multiplier method to decrease £27 by 8%. You must show your working.
Nitella [24]

Answer:

decrease by 2.16

Step-by-step explanation:

Convert the problem to an equation using the percentage formula: P% * X = Y.

P is 10%, X is 150, so the equation is 10% * 150 = Y.

Convert 10% to a decimal by removing the percent sign and dividing by 100: 10/100 = 0.10.

3 0
2 years ago
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What is the square root of x if x = 25?
scoundrel [369]

Answer:

5 is your answer

Step-by-step explanation:

The \sqrt{25} will equal to 5, because 5^2 = 25

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3 years ago
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-6 (-2/3)<br> How is it solved
Mars2501 [29]
You multiply -6 and -2/3. Which is 4
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Which of the following coordinates exists on the line y=2x+4? A. (-3,-2). B. (-1,3). C. (1,5). D. (2,4)
Alchen [17]
Solution is in the picture 

Good luck:)

3 0
3 years ago
Read 2 more answers
2(5-3v)+9v=28 step by step please
Irina-Kira [14]
First, distribute the 2 across the parenthesis.
10-3v+9v=28
Combine like terms on the left.
10+6v=28
Start to get the numbers on the right and the v alone on the left by moving the 10 to the right.
6v=28-10
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Divide to get the v alone.
v=3

Hope that helps.
4 0
3 years ago
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