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Aneli [31]
2 years ago
7

Match the verbal phrase on the left with the corresponding equation on the right. Write the letter of the answer on the space pr

ovided1.c increased by 5 is 5 2.4 more than a number is 12 3. The product of 4 and n is 12 4. The difference of 27 and k is 15 5.8 less than 3 times x is 10 6. 3 times x increased by 8 is 20 7. a number minus 8 is 3 8. three times a number is 9 9. twice a number plus 1 is 11 10.6 less than a number is 5a. 27-k=15 b. n + 4 = 12 d. 3x+8 = 20 e. k-8=3 f. 3x-8=10 g. 2x + 1 = 11 h. c + 5 = 15 i. 4n = 12 c. c-6=15 j. 3n = 9​
Mathematics
1 answer:
Nikolay [14]2 years ago
7 0

Answer:

  • See below

Step-by-step explanation:

  • 1. c increased by 5 is 5                       ⇒ h. c + 5 = 5
  • 2. 4 more than a number is 12           ⇒ b. n + 4 = 12
  • 3. The product of 4 and n is 12          ⇒ i. 4n = 12
  • 4. The difference of 27 and k is 15    ⇒ a. 27 - k = 15
  • 5. 8 less than 3 times x is 10              ⇒ f. 3x - 8 = 10
  • 6. 3 times x increased by 8 is 20      ⇒ d. 3x + 8 = 20
  • 7. A number minus 8 is 3                   ⇒ e. k - 8 = 3
  • 8. Three times a number is 9            ⇒ j. 3n = 9​
  • 9. Twice a number plus 1 is 11           ⇒ g. 2x + 1 = 11
  • 10. 6 less than a number is 5            ⇒ c. c - 6 = 15
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Answer:

81

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A solution containing 12% alcohol is to be mixed with a solution containing 4% alcohol to make 20 gallons of solution containing
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Answer:

Step-by-step explanation:

Given that a solution containing 12% alcohol is to be mixed with a solution containing 4% alcohol to make 20 gallons of solution containing 9% alcohol.

Let x gallons of 12% alcohol be mixed with y gallons of 4% alcohol.

Total gallons= x+y = 20

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c) This is of the form Ax = B

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Inverse is \frac{1}{4-12} \left[\begin{array}{ccc}4&-1\\-12&12\end{array}\right]\\=\frac{-1}{8} \left[\begin{array}{ccc}4&-1\\-12&12\end{array}\right]\\

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Answer:

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Step-by-step explanation:

Given:

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If she laid the stickers side by side without gaps or overlaps so the number of sticker to cover the length of the spine:

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10 : \frac{3}{4} ≈13  

She needs 13 stickers cover the length of the spine

7 0
3 years ago
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