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Alika [10]
3 years ago
12

Your friend sells you a bicycle for ​$63 Your friend sells you a bicycle for ​$21 The total cost is 150% of what your friend spe

nt originally. How much did your friend spend​ originally? How much money did your friend earn by selling the bicycle and helmet to​ you? Your friend originally spent ​$_________
Mathematics
1 answer:
VikaD [51]3 years ago
8 0

Answer:

Originally Spent: $56

Money Earned: $28

Step-by-step explanation:

63+21=84

(Blank)*3=84

84/3=28

84-28=56

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What is the solution of |-1 + x| = 5
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Answer:

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Step-by-step explanation:

abs(-1+x)=5

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-------------------------

-1+x=5

x=5-(-1)=5+1=6

-------------------

-1+x=-5

x=-5-(-1)=-5+1=-4

4 0
3 years ago
How do you know if a graph you are looking at shows a periodic function?
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You know when it is a periodic function if the values repeats in regular intervals or periods. An example of this is trigonometric functions that repeat over intervals of 2 pi radians. 
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3 years ago
6z-4-z+10=-9 plz help and hurry
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Step-by-step explanation:

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