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yulyashka [42]
2 years ago
7

PLEASE HELP I WILL GIVE BRAINLIEST

Mathematics
1 answer:
Karo-lina-s [1.5K]2 years ago
7 0

Answer:

Step-by-step explanation:

4.0   | <u> 4.50 </u>  |   -0.3(4.0) + 6.71 = <u>5.51</u>   |   4.50 - 5.51  = <u>-1.01</u>

5.9   | <u> 5.50 </u>  |   -0.3(5.9) + 6.71 = <u>4.94</u>  |   5.50 - 4.94 = <u>0.56</u>

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leva [86]

Answer:

The possible values of the perimeter of the rectangle is between 18 and

18.4 cm ⇒ [18 < perimeter of rectangle < 18.4] cm

Step-by-step explanation:

* Lets explain how to solve the problem

- The perimeter of any quadrilateral is the sum of the length of its

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∵ The the length of the rectangle is a

∵ 5.4 < a < 5.5 cm

∵ The perimeter of the rectangle = 2a + 2b

- Lets multiply the inequality by 2

∴ 5.4 × 2 < a × 2 < 5.5 × 2

∴ 10.8 < 2a < 11 ⇒ (1)

∵ The width of the rectangle is b

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- Lets multiply the inequality by 2

∴ 3.6 × 2 < b × 2 < 3.7 × 2

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- <u><em>Add inequalities (1) and (2)</em></u>

∵     10.8 < 2a < 11

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∴  18 < 2a + 2b < 18.4

∵ 2a + 2b represents the perimeter of the rectangle

∴ The possible values of the perimeter of the rectangle is between

  18 and 18.4 cm ⇒ [18 < perimeter of rectangle < 18.4] cm

7 0
3 years ago
A) 5y +32=72<br> B) K/2+24=29
iren [92.7K]

Step-by-step explanation:

A)y=8

B)k=10

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y=8

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3 years ago
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Answer:

Step-by-step explanation:

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7 0
3 years ago
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olganol [36]

Answer:

The answer is 25 because they're both the same.

Mark me as brainliest please.

Step-by-step explanation:

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2 years ago
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b is the correct answer. I'm 95% positive

Step-by-step explanation:

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