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3 years ago

Classify each number below as a rational number or an irrational number. −17.6 , 81 , 15π , (square root −29), 13/14

Mathematics

1 answer:

gregori [183]3 years ago

4 0

Answer:

Rational Numbers

−17.6 (-176/10)

13/14

Rational Numbers

15π

square root −29

Step-by-step explanation:

Rational Numbers are those numbers which can be written as Ratio of two numbers.

Irrationational Numbers are those which cannot be written as ratio of two numbers. such as recurring numbers.

e.g 0.26262626.........

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2 years ago

Identify which statement is true a. -0.3 greater than -0.3 (repeats) b. 7/8 is greater than 9/10 C. 1 2/3 greater than 1.7 D. -1

geniusboy [140]

A. -0.3 equals (=) -0.3 so that's false
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3 years ago

Using the Division algorithm to find q and r such that 3662 = q·16+r , where 0 ≤ r < 16 . What if we take c = −3662 instead o

bagirrra123 [75]

Answer:

a) If c=3662 then q=228 and r=14.

b) If c=-3662, then q=-229 and r=2

Step-by-step explanation:

a) Observe that 229*16=3664, since r must be in the interval [0,16), then 229 doesn't work, but 228*16=3648 and 3662-3648=14.

Then 3662=228*16+14.

b) Observe that -228*16=-3648 and -3648-14=-3662, but r= must be positive. Then -228 doesn't work.

But observe that -229*16=-3664 and -3664+2=-3662. So -3662=-229*16+2

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3 years ago

List the number from least to greatest <br> -1.7,-4/3,-1.5,-6/5,-1.8,-8/5

andriy [413]

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3 years ago

Cos^2x+4cosx+4/cosx+2=2secx+1/secx

Lorico [155]

Answer:

$\frac{\cos^2x+4\cos x+4}{\cos x+2}=\frac{2\sec x+1}{\sec x}$

Step-by-step explanation:

To prove the given identity, we solve the left hand side and right hand side expressions and show that they are equal.

So we get $\frac{2\sec x+1}{\sec x}\\\\=\frac{2\sec x}{\sec x}+\frac{1}{\sec x}\\\\= 2+\cos x\\\\\text{since the left hand side and right hand side expression are same, so}\\\text{it verifies the identity.}$

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3 years ago