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Nuetrik [128]
3 years ago
14

Select the postulate of equality or inequality that is illustrated.

Mathematics
2 answers:
slamgirl [31]3 years ago
8 0

Answer:

Option 3 is correct.

By symmetric postulates of equality

Step-by-step explanation:

Symmetric postulates of equality states that if one value is equal to another value, then the second value is also equal to the first value i.e,

if x =y , then y =x

Given:

If 5 =x +2

then by symmetric property of equality;  

x+2 = 5


Zanzabum3 years ago
4 0
The symmetric property of equality.

This property states that: if a = b, b = a.
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The area of a rectangular wall of a barn is 85 square feet. Its length is 12 feet longer than the width. Find the length and wid
MaRussiya [10]

Answer:

Length = 17 feet, Width = 5 feet

Step-by-step explanation:

Given:

The area of a rectangular wall of a barn is 85 square feet.

Its length is 12 feet longer than the width.

Question asked:

Find the length and width of the wall of the barn.

Solution:

Let width of a rectangular wall of a barn = x

<u>As length is 12 feet longer than the width.</u>

Length of a rectangular wall of a barn = 12+x

As we know:

Area\ of\ rectangle=length\times breadth

85=(12+x)x\\\\85=12x+x^{2} \\

Subtracting both sides by 85

x^{2} +12x-85=0\\x^{2} +17x-5x-85=0\\Taking\ common\\x+(x+17)-5x(x+17)=0\\(x+17)(x-5)=0\\x+17=0, x-5=0\\x=-17,x=5

As width can never be in negative, hence  width of a rectangular wall of a barn = x = 5 feet

Length of a rectangular wall of a barn = 12+x=12+5=17\ feet

Therefore, length and width of the wall of the barn is 17 feet and 5 feet respectively.

                 

4 0
3 years ago
The measure of angle F is 130 degrees.
Vitek1552 [10]
130 degrees is the total degrees of the angle,
So if part of that angle was 70 degrees with a missing part you can just subtract to find the missing angle.
(130-70=60)
The missing angle equals 60 degrees
7 0
3 years ago
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What is true about 3 squared x 4 squared
BARSIC [14]
Hello there, and thank you for posting your question here on brainly.

Short answer: C. Product of 2 rational numbers = a rational number.

Why?

The numbers are both rational because squared is a result of a number multiplied by itself. Like (3^2 = 9). It turns out as a rational number because you're multiplying by two positive numbers, which always turns out as a rational number. (3^2 * 4^2 ==> 144) [3^2 = 9] [4^2 = 16]

Hope this helped you! ♥
8 0
3 years ago
I will give u brainliest
Leto [7]

Answer:

52/99

Step-by-step explanation:

idk i looked it up

5 0
3 years ago
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A taxi charges a flat fee of $5.00 plus $2.25 per mile. How much will it cost to travel 8.7 miles? Round your answer to the near
vampirchik [111]

Answer:

$19.58+$5.00 = $24.58

Step-by-step explanation:

3 0
3 years ago
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