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goblinko [34]
3 years ago
9

Determine which expressions, if any, are equivalent. Show your work. 4(x - 3)

Mathematics
1 answer:
Katena32 [7]3 years ago
6 0

Answer:

4(x - 3) and x + 3(x-2) - 6 are equivalent.

Step-by-step explanation:

4(x - 3)  = 4x - 12

6x - 2(x - 3)  = 6x - 2x + 6 = 4x + 6

x + 3(x - 2) - 6 = x + 3x - 6 - 6 = 4x - 12

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2.4m log is cut into lengths into the ratio 7 : 5. Find the longer length in cm.
sergeinik [125]

Answer:

140 centimeters.

Step-by-step explanation:

Hello!

A 2.4 meter log is split into the ratio 7:5. Each unit part is one x-increment, so the log is split into 7 x-increments and 5 x-increments.

Find the longer length:

  • 2.4 into 7:5
  • 2.4 = 7x + 5x
  • 2.4 = 12x
  • x = 2.4/12
  • x = 0.2

Now, we must find the longer length, 7x.

  • 7x
  • 7(0.2)
  • 1.4

The longer length is 1.4 meters, but we want it in cm.

There are 100 centimeters in a meter.

  • 1.4 meters = 1.4 * 100
  • 1.4 meters = 140 centimeters

The longer length is 140 centimeters.

7 0
1 year ago
First answer gets brainiest!! I need answers for number eight and nine
nalin [4]

Answer:

8) a, d, e

9) yes, he will have $5.75 (or 5 /34)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Review
Doss [256]
The answer is bbc or if that’s not the answer the then it’s bbl THANK ME LATERRRR
5 0
2 years ago
Helppppppp pleaseeee​
Alenkinab [10]

Answer:

A

Step-by-step explanation:

2.5 x 3.4 = 8.5

5 0
2 years ago
Simplify ^75 select the correct answer
Ilia_Sergeevich [38]

Answer:

to simplify the square root of 75, first I recognize that the perfect square 25 goes into it. So 75 = 25 x 3. Therefore the square root of 75 equals the square root of 25 times the square root of 3. And that means just 5 times the square root of 3.

Step-by-step explanation:

4 0
3 years ago
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