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2 years ago

5) True or False: Absolute Value can never be negative * O True False

Mathematics

1 answer:

timurjin [86]2 years ago

5 0

Answer:

True

Step-by-step explanation:

Absolute value tells the distance a number is from 0.

$|7|=7$ because 7 is 7 units away from 0.

$|-13|=13$ because -13 is 13 units away from 0.

$|0|=0$ because 0 is 0 units away from 0

Absolute value always produces a number greater than or equal to 0, never negative.

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Find the value of a and b if root3-1/root3+1+ root3+1/root3-1=a+root3 b

Digiron [165]

Answer:

a=4 and b = 0

Step-by-step explanation:

Given : $\dfrac{\sqrt 3 -1}{\sqrt 3+1}+\dfrac{\sqrt 3+1}{\sqrt 3-1}=a+\sqrt 3 b$

To find, The value of a and b

Solution,

Solving LHS of the given equation,

$\dfrac{(\sqrt 3-1)^2+(\sqrt3+1)^2}{(\sqrt 3+1)(\sqrt 3-1)}=a+\sqrt 3 b$

Since,

$(a-b)^2=a^2+b^2-2ab\\\\(a+b)^2=a^2+b^2+2ab\\\\(a-b)(a+b)=a^2+b^2$

So,

$\dfrac{3+1-2\sqrt 3+3+1+2\sqrt 3}{3-1}=a+\sqrt 3 b\\\\4=a+\sqrt 3 b$

$4+0=a+\sqrt 3 b$

On comparing we get :

a = 4 and b = 0

4 0

3 years ago

A bike cost $500 and another costs $600 the more expensive bike Is 20% more that the other justify your answer.

Vsevolod [243]

The more expensive bike could be a bigger size so in stead of being a 20 inch it could be a 24 inch, another option is that one bike is made by a lower brand name company hile the expensive one is a better well know company so in that case the extra $100 is just a added price for the name. Last option is one's on sell and ones not. I hope this helped! :)

4 0

3 years ago

PLEASE HELP!!!!

algol13

Sin(theta)=-15/17
cos(theta)=8/17
tan(theta)=-15/8
csc(theta)=-17/15
sec(theta)=17/8
cot(theta)=-8/15
Hope this helps

4 0

2 years ago

Read 2 more answers

Suppose that 60\%60%60, percent of adults in district A support a new ballot measure, while 45\%45%45, percent of adults in dist

Molodets [167]

Answer:it’s B (120 succes and 80 failures for khan academy)

Step-by-step explanation: trust me