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Gekata [30.6K]
3 years ago
5

Please help with the difference between irrationals and rationals. It's a little confusing to me.

Mathematics
2 answers:
astra-53 [7]3 years ago
3 0

Answer:

Rational Number is defined as the number which can be written in a ratio of two integers. An irrational number is a number which cannot be expressed in a ratio of two integers. In rational numbers, both numerator and denominator are whole numbers, where the denominator is not equal to zero.

step-by-step explanation:

irina1246 [14]3 years ago
3 0

Step-by-step explanation:

Rational means it can be written as a ratio of integers.

Examples of rational numbers are:

Fractions of integers (ex, 5/4)

Terminating decimal (ex, 7.3 = 73/10)

Repeating decimal (ex, 0.0111... = 1/90)

Square roots of perfect squares (ex, √100 = 10/1)

Irrational numbers can't be written as a ratio of integers.

Examples of irrational numbers are:

Non-repeating, non-terminating decimals (ex, π)

Square roots of non-perfect squares (ex, √2)

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352 ft is ____ % of 2 mi; 2 mi is ____ % of 352 ft
Alexus [3.1K]

Answer:

352 ft is <u>3.34</u>% of mi ;

2 mi is <u>3000</u>% of 352 ft

Step-by-step explanation:

To calculate : 352 ft is ___% of 2 mi and 2 mi is ___% of 352 ft.

We can calculate first:

352 is x% of 2 mi.

Solve for x;

Use conversion:

1 mi = 5280 ft

2 mi = 10560 ft

x% of 10560 ft means \frac{x}{100} \times 10560 = 105.60 x

then, our equation become;

352 = 105.6 x

Divide both sides by 105.6 we get;

x = 3.333333...

or

x ≈3.34

Similarly, for

2 mi is y% of 352 ft

Solve for y;

2 mi = 10560 ft

y% of 352 = \frac{y}{100} \times 352 = 3.52y

then;

10560 = 3.52 y

Divide both sides by 3.52 we get;

y = \frac{10560}{3.52}

y = 3000

Therefore; 352 ft is 3.34% of mi ; 2 mi is 3000% of 352 ft



8 0
3 years ago
the ratio of hard problems to easy problems was 23 to 7. how many easy problems were there if the total number of problems was 9
il63 [147K]

Answer:

5

Step-by-step explanation:

I just know the answer is five

7 0
2 years ago
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Answear:

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5 0
3 years ago
Expand and simplify<br><br>3(x-y)+4(x+2y)​
melomori [17]

Answer:

3x-3y+4x+8y

The answer is: 7+5y

Step-by-step explanation:

3 0
3 years ago
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Square root of 4+2 root 3
victus00 [196]
(a+b)^2=a^2+2ab+b^2\ \ \ (*)\\\\\\\sqrt{4+2\sqrt3}=\sqrt{3+2\sqrt3+1}=\sqrt{\underbrace{(\sqrt3)^2+2\cdot\sqrt3\cdot1+1^2}_{(*)}}\\\\=\sqrt{(\sqrt3+1)^2}=|\sqrt3+1|=\sqrt3+1
7 0
4 years ago
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