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Lady bird [3.3K]
3 years ago
9

I need help PLEASE HELP

Mathematics
1 answer:
kirill [66]3 years ago
7 0

Answer:

79

Step-by-step explanation:

The SUM of ... 9. The sum of r and 45 is 79. 10. The quotient of x and 7 is equal to 13. r + 45 = 79.

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A 16,000 ft<br>B 8000 ft<br>C 4000 ft<br>D 150 ft​
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A

Step-by-step explanation:

If all of the dimensions of the tank are doubled, since we live in three dimensions, the volume of the new tank will be 2^3=8 times as large. 8\cdot 2000=16000 feet, or answer choice A. Hope this helps!

3 0
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Which of the following statements is true of a reflection?
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7 0
3 years ago
Solve the equation 4(x – 2) = 3x + 1. Question 15 options: A) 3 B) 8 C) 9 D) 2
telo118 [61]

Answer:

x = 9

Step-by-step explanation:

Step 1: Write equation

4(x - 2) = 3x + 1

Step 2: Solve for <em>x</em>

  1. <u>Distribute 4:</u> 4x - 8 = 3x + 1
  2. <u>Subtract 3x on both sides:</u> x - 8 = 1
  3. <u>Add 8 to both sides:</u> x = 9

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

  1. <u>Substitute:</u> 4(9 - 2) = 3(9) + 1
  2. <u>Parenthesis (add):</u> 4(7) = 3(9) + 1
  3. <u>Multiply:</u> 28 = 27 + 1
  4. <u>Add:</u> 28 = 28
5 0
3 years ago
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