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3 years ago

show that 0.74 repeating its equivalent to a fraction. is 0.74 repeating a rational or irrational number ?explain

Mathematics

1 answer:

Orlov [11]3 years ago

7 0

it is a rational number because it can be written as a fraction

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(1) Cos AcosecA=cot A

Mashutka [201]

Answer:

The Basic Identities are :

$cosec(A) = \frac{1}{ \sin(A) }$

$\tan(A) = \frac{ \sin(A) }{ \cos(A) }$

$\cot(A) = \frac{1}{ \tan(A) } = \frac{ \cos(A) }{ \sin(A) }$

So for this question :

$\cos(A)cosec(A) = \cot(A)$

$l.s.h = \cos(A) \times \frac{1}{ \sin(A) }$

$l.s.h = \frac{ \cos(A) }{ \sin(A) }$

$l.sh = \cot(A) \: (proven)$

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3 years ago

melanie made a circular necklace she puts beads evenly spaced around the necklace if the 4th bead is directly across from the 11

dangina [55]

Answer:

Step-by-step explanation:

If the 4th lies opposite the 11th, then you know the 3rd lies opposite the 10th, the 2nd opposite the 9th, and the 1st opposite the 8th; meanwhile, in the reverse direction you'd find that the 5th lies opposite the 12th, the 6th opposite the 13th, and the 7th opposite the 14th. Move up one more bead and you're back at the 1st, which you already know lies opposite the 8th. Therefore there are 14 total bead

4 0

3 years ago

Is this a function ? Yes or no and why or why not

never [62]

Answer:

Yes

Step-by-step explanation:

Yes it is a function, because graph is intersecting y - axis only once.

3 0

3 years ago

How to find the inverse of each function for example like this one: h(x)=5/4x

Anton [14]

First rewrite it like this
1. y=5/4x
Then, make X the subject
2.4x=5/y
x=(5/y)÷4
3. Once done, simply replace x with h(x)^-1 and y with x
h(x)^-1= (5/x)÷4
Sorry I'm not very good at rearranging formula but hope this helps :)

4 0

3 years ago

Read 2 more answers

Determine the approximate value of X. 8.56 2.78 9.46 29.12

Nitella [24]

Answer:8.56

Step-by-step explanation:

7 0

3 years ago