3 years ago

The product of a non zero rational number and an irrational number can always be written as

Mathematics

1 answer:

irinina [24]3 years ago

6 0

Irrational can be write as a fraction and decimals

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Simplify the expression x + 5+ 3.

JulsSmile [24]

Answer:

x + 8

Step-by-step explanation:

x + 5 + 3.

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x + 8

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If sin x = 3/5, calculate tan x

valkas [14]

Answer:

tan(x)=-+(3/4)

Step-by-step explanation:

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3 years ago

The question is:

saul85 [17]

$f(x) = \sqrt{x+1} \\ y = \sqrt{x+1} \ or \ y^2 = x+1 \ or \ x = y^2 - 1 \\ Therefore, \ f^{-1}(x)=x^2 - 1$

$(fof^{-1})(a) = f(f^{-1}(a))=f(a^2-1) \\ =\sqrt{a^2-1+1}=\sqrt{a^2}=a \\ \\ (f^{-1}of)(a)=f^{-1}(f(a))=f^{-1}(\sqrt{a+1})= \\ (\sqrt{a+1})^2-1 = a+1-1 = a$

Therefore, $(fof^{-1})(a) = (f^{-1}of)(a) = a$

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3 years ago

What is 4 1/4 * 4/34 =

Natali5045456 [20]

4 1/4 = 16/4

17/4 : 4/34 =

17/4 * 4/34 =

1/2

5 0

3 years ago

REwaRDiNG BRAINLY TO CORRECT

vfiekz [6]

Answer:

54 millimeters

Step-by-step explanation:

The median length would be in the middle of the values in order, so you could order the numbers 50,50,52,53,54,55,55,55,57. You would then find the middle value which would be the 5th value in a list of 9. In this case, it would be 54 millimeters.

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