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Vesna [10]
2 years ago
9

What strategies can help you determine about unknown side when finding perimeter

Mathematics
1 answer:
Luden [163]2 years ago
8 0

Answer

I think you can visulize the problem. whne you see a rectangle (for example) both the long sides will have the same length. Both the short sides will also have the same width. There you have it! that's how u find the unknown side (s).

Hope this helps :)

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A school band found they could arrange themselves in rows of 6, 7, or 8 with no one left over. What is the minimum number of stu
mylen [45]

Answer:

168 is the answer if i m not wrong.I took the LCM.

6 0
2 years ago
It cost John $15.86 to buy 2.5 pounds<br> of ground beef. What was the cost per<br> pound?
Paha777 [63]

Answer:

$6.34

Step-by-step explanation:

15.86 / 2.5 = 6.34

$6.34

6 0
3 years ago
Which statement is true?
Lady_Fox [76]

Answer:

An irrational number may show terminating digits after the decimal

Step-by-step explanation:

Examples of Rational Numbers

Number 9 can be written as 9/1 where 9 and 1 both are integers.  0.5 can be written as ½, 5/10 or 10/20 and in the form of all termination decimals.  √81 is a rational number, as it can be simplified to 9 and can be expressed as 9/1.  0.7777777 is recurring decimals and is a rational number

Examples of Irrational Numbers

Similarly, as we have already defined that irrational numbers cannot be expressed in fraction or ratio form, let us understand the concepts with few examples.

5/0 is an irrational number, with the denominator as zero.

π is an irrational number which has value 3.142…and is a never-ending and non-repeating number.

√2 is an irrational number, as it cannot be simplified.

0.212112111…is a rational number as it is non-recurring and non-terminating.

There are a lot more examples apart from above-given examples, which differentiate rational numbers and irrational numbers.

Properties of Rational and Irrational Numbers

Here are some rules based on arithmetic operations such as addition and multiplication performed on the rational number and irrational number.

#Rule 1: The sum of two rational numbers is also rational.

Example: 1/2 + 1/3 = (3+2)/6 = 5/6

#Rule 2: The product of two rational number is rational.

Example: 1/2 x 1/3 = 1/6

#Rule 3: The sum of two irrational numbers is not always irrational.

Example: √2+√2 = 2√2 is irrational

2+2√5+(-2√5) = 2  is rational

#Rule 4: The product of two irrational numbers is not always irrational.

Example: √2 x √3 = √6 (Irrational)

√2 x √2 = √4 = 2 (Rational)

5 0
3 years ago
Choose the ratio equivalent to 10/9
satela [25.4K]
<h3>Answer:</h3>

30/27, 20/18...

<h3>Solution:</h3>
  • There are <em>infinitely many ratios equivalent to 10/9.</em>
  • Here are <em>some </em>of them:
  • 30/27
  • 20/18
  • 100/90
  • 60/54

Hope it helps.

Do comment if you have any query.

3 0
2 years ago
Solve the equation 18=n-18<br><br>n=_____​
Maksim231197 [3]

Answer:

36

Step-by-step explanation:

7 0
3 years ago
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