Answered

Welcome to Westonci.ca, where you can find answers to all your questions from a community of experienced professionals. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

Sarah thinks of a number. She squares it, adds the square root of 64, divides it all by the cube root of 512, and then finally she adds 8 quarters. Her answer is 4. What number did she start with?

Sagot :

malorm25

Answer:

~3

Step-by-step explanation:

Let x be unknown number

X^2 + square root of 8/cube root of 512 + 8/4=4

X^2 +8/8 +2 = 4

Multiply through by 8 to get rid of denominator

X^2 + 8 + 16 = 32

X^2 + 24 = 32

X^2= 32 - 24

X^2= 8

Find the square root of both sides

X= 2.828427...

X=~3

Thanks for using our platform. We aim to provide accurate and up-to-date answers to all your queries. Come back soon. We appreciate your time. Please come back anytime for the latest information and answers to your questions. Get the answers you need at Westonci.ca. Stay informed by returning for our latest expert advice.