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Kaylis [27]
4 years ago
13

2(x-2)+7>-1 and 5-4x>9​

Mathematics
1 answer:
larisa [96]4 years ago
3 0

Answer:

-2 < x < -1

Step-by-step explanation:

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Answer:

Step-by-step explanation:

14 x 8 = 112

5 0
3 years ago
C-14 has a half life if approximately 5700 years how many years will it take for the radioactivity of a sample to reach one-four
qaws [65]
This is an easy half-life problem.
Every half-life, a substance loses half its radioactivity.  So, after 2 half-lives, a substance will have a quarter of its radioactivity.
2 * 5,700 = 11,400 years
answer is C

3 0
3 years ago
A designer wants to create an apartment in the shape of a right triangle as his new design. If he has three partitions that are
ella [17]

No, he can not do it

Step-by-step explanation:

To prove that the the given three sides can form a right triangle:

  1. Square the three sides
  2. Add the squares of the smaller two sides
  3. If the sum is equal to the square of the largest side, then the three given sides can form a right triangle
  4. If the sum is not equal to the square of the largest side, then the three given sides can not form a right triangle

∵ The designer has three partitions that are 14 , 9 and 20 feet

- Square the length of each partition

∵ 9² = 81

∵ 14² = 196

∵ 20² = 400

- Add the squares of the two smaller partitions 9 and 14

∵ 81 + 196 = 277

∵ The square of the largest partition = 400

∵ 277 ≠ 400

∴ The sum of the squares of the two smaller partitions is not

   equal to the square of the third partition

- To create the apartment in the shape of a right triangle he must

   have three partitions the sum of the squares of the two smaller

   partitions is equal to the square of the largest partition

∴ He can not create the apartment in the shape of a right triangle

No, he can not do it

Learn more:

You can learn more about the right triangles in brainly.com/question/4098846

#LearnwithBrainly

3 0
3 years ago
2.) Customers left Jill $2.50 as a tip. The tip was 20% of the total. How much was the bill?​
n200080 [17]

Answer:

50 was the bill thanks so much for improving my knowledge

5 0
3 years ago
PLS HELP <br><br> (the second page is the options)
slava [35]

Answer:

D. y=2x-2

Step-by-step explanation:

The format for the equation of a line is y=mx+b, where m is the slope and b is the y-intercept of the line.

The slope of this line is 2

The y-intercept of this line is -2

Therefore, the equation for this line should look like y=2x-2

If you found this helpful, let me know by marking my answer as brainliest! Feel free to reach out with any questions. Hope this helped!

5 0
3 years ago
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