Answered

Discover the answers to your questions at Westonci.ca, where experts share their knowledge and insights with you. Get the answers you need quickly and accurately from a dedicated community of experts on our Q&A platform. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

A=2b^3-1 what's the value of b if a is 13

Sagot :

Panoyin
A = 2b³ - 1
13 = 2b³ - 1
+ 1         + 1
14 = 2b³
 2       2
 7 = b³
∛(7) = b
iGreen
[tex]\sf~A=2b^3-1[/tex]

Plug in A = 13

[tex]\sf~13=2b^3-1[/tex]

Add 1 to both sides:

[tex]\sf~14=2b^3[/tex]

Divide 2 to both sides:

[tex]\sf~7=b^3[/tex]

Find the cube root of both sides:

[tex]\sf~b=\sqrt[3]{7}[/tex]

[tex]\sf~b\approx~1.91[/tex]
We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. Your visit means a lot to us. Don't hesitate to return for more reliable answers to any questions you may have. Westonci.ca is committed to providing accurate answers. Come back soon for more trustworthy information.