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3 years ago

Is 9.0 a rational or irrational number?

Mathematics

2 answers:

solong [7]3 years ago

8 0

9.0 is a rational number

PIT_PIT [208]3 years ago

4 0

9.0 is a rational number because it can be expressed as 9 divided by 1.

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4 years ago

Evalute 8+3e when e=2

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3 years ago

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What is the intermediate step in the form (x + a)2 = b as a result of completing the

Eddi Din [679]

Answer:

(x + 7)^2 = 64

Step-by-step explanation:

x^2 + 23x – 19 = 9x - 4

x^2 + 23x - 9x = -4 + 19

x^2 + 14x = 15 = 0

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3 years ago

How can a linear approximation be used to approximate the value of a function f near a point at which f and f prime are easily

sammy [17]

Answer:

This can be solved by calculating a first degree Taylor approximation polynomial for the function in question around x=a. Taylor's first degree polynomial is given by:

$P_1(a) =f(a) +f'(a)(x-a)$

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Step-by-step explanation:

4 0

3 years ago

1. Solve for p

DerKrebs [107]

Answer:

$1. \quad p=\dfrac{-3q}{2}\\\\2. \quad b=\dfrac{4a+7}{2}, b=\dfrac{19}{2}\\\\3. \quad r=\dfrac{d}{t}\\\\4. \quad \text{D. 30}$

Step-by-step explanation:

1. Subtract p:

3p +3q -p = 0

2p +3q = 0 . . . . collect terms

2p = -3q . . . . . . subtract 3q

p = -3q/2 . . . . . . divide by the coefficient of p

2. Add 7 and divide by the coefficient of b:

4a +7 = 2b

(4a +7)/2 = b

Substitute for a to find the value of b.

(4(3) +7)/2 = b = 19/2

3. Divide by the coefficient of r:

r = d/t

4. The sum of length and width is half the perimeter:

15 + w = 90/2 = 45

w = 30 . . . . . . . subtract the length; the width is 30 units

6 0

4 years ago