2 years ago

Is 5 in the solution set x +3≥8

Mathematics

1 answer:

forsale [732]2 years ago

6 0

Answer: Yes

Step-by-step explanation:

x>=8-3

x>=5

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Answer:

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Step-by-step explanation:

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3 years ago

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How do you solve this?

vagabundo [1.1K]

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2 years ago

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

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2 years ago

1<br> A line has a slope of -1/2and a y-intercept of -2.

Ira Lisetskai [31]

Answer:

Step-by-step explanation:

y + 2= -1/2(x - 0)

y + 2 = -1/2x + 0

y = -1/2x - 2

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x = 4

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2 years ago

Can someone help me please ?!

riadik2000 [5.3K]

Answer:

yeah 13 is the right answerrrrr

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2 years ago