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Mathematics 13 Online
OpenStudy (anonymous):

Sophia is saving money for a new bicycle. The bicycle will cost at least $623. Sophia makes $8.22 per hour. Which inequality could be used find the number of hours Sophia needs to work to make enough money to buy a new bicycle?

OpenStudy (anonymous):

@igreen

OpenStudy (anonymous):

@mathmath333

OpenStudy (texaschic101):

h = # of hrs 8.22h >= 623

OpenStudy (anonymous):

hey i got the same thing Texaschic101

OpenStudy (texaschic101):

great minds think alike :)

OpenStudy (anonymous):

lol ya

OpenStudy (anonymous):

lol thank yall

OpenStudy (texaschic101):

sure thing :)

OpenStudy (anonymous):

np just think of this math as if its a fish and your a crocidile you will find away to finish it off

OpenStudy (anonymous):

:) could yall help me with this

OpenStudy (anonymous):

On a chapter test, Stephanie uses the rules of equation solving and inverse operations to solve the cubic equation below. The directions on the test are not very specific, however, they do say to give an exact solution. Stephanie is not sure if she should submit a decimal approximation or a simplified radical as the answer. 4x3 = 756 What recommendation can you make to Stephanie regarding her answer to the cubic equation above? In your recommendation, explain what the term "exact" indicates with regards to the solution. Solve the cubic equation from Stephanie’s test. Submit two solutions for the equation- a) your answer as a decimal approximation, rounded to the nearest hundredth, and b) as a simplified radical. Use substitution to check each version of your solution in the original equation. After solving the test question and checking both the decimal solution and the simplified radical form, would you change your recommendation (in Part 1) to Stephanie regarding the format of her answer? Use complete sentences to explain your reasoning.

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

hmmm

OpenStudy (anonymous):

do u know this question

OpenStudy (anonymous):

i swear i have seen it before

OpenStudy (anonymous):

oh okay lol but could u still help

OpenStudy (anonymous):

hmmmm i think but i dont want to you to get it wrong but ill still help

OpenStudy (anonymous):

okay and besides ill get it reassigned if its wrong. and ill guess the other ones.. plz..

OpenStudy (anonymous):

1. What recommendation can you make to Stephanie regarding her answer to the cubic equation above? In your recommendation, explain what the term "exact" indicates with regards to the solution.

OpenStudy (anonymous):

hmmmm wait one minute i am seeing

OpenStudy (anonymous):

ookay

OpenStudy (anonymous):

i cant seem to findd the right answer i can do equations but i am not really good at word problems sorry

OpenStudy (anonymous):

okkay

OpenStudy (anonymous):

well thanks anyways

OpenStudy (anonymous):

i am so sorry

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