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Ilia_Sergeevich [38]
3 years ago
15

Consider the expression 25 – 10 ÷ 2 + 3.

Mathematics
1 answer:
Tems11 [23]3 years ago
8 0

Given:

The expression is:

25-10\div 2+3

To find:

Part A: The expression using parentheses so that the expression equals 23.

Part B: The expression using parentheses so that the expression equals 3.

Solution:

Part A:

In option A,

(25-10)\div 2+3=15\div 2+3

(25-10)\div 2+3=7.5+3                       [Using BODMAS]

(25-10)\div 2+3=10.5

In option B,

25-10\div (2+3)=25-10\div 5

25-10\div (2+3)=25-2                      [Using BODMAS]

25-10\div (2+3)=23

In option C,

(25-10)\div (2+3)=15\div 5

(25-10)\div (2+3)=3

In option D,

25-(10\div 2)+3=25-5+3

25-(10\div 2)+3=28-5                     [Using BODMAS]

25-(10\div 2)+3=23

After the calculation, we have 25-10\div (2+3)=23 and 25-(10\div 2)+3=23.

Therefore, the correct options are B and D.

Part B: From part A, it is clear that

(25-10)\div (2+3)=3

Therefore, the correct option is C.

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The length of a rectangle is 7 more than the width. The area is 744 sqaure yards, find the length and width of the rectangle​
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Answer:

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Using formula

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As we know that width of the rectangle can't be negative. So x = 24

<u>Hence</u>,

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\thereforeLength of rectangle is 31 yards<u> </u>and Width is 24 yards.

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