3 years ago

I need help on my math homework I don't understand it.

Mathematics

1 answer:

maw [93]3 years ago

8 0

Step-by-step explanation: do fast

when you will upload the picture do fast

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A store owner buys a case of 144 pens for $28.80. He sells the pens for $0.40 each. The owner claims that they marked the pens u

stellarik [79]

Answer: $0.3

Step-by-step explanation:

Given

The owner buys 144 pens for $28.80 i.e. each pen costs

$\dfrac{28.80}{144}=\$0.2$

owner sells the pen at $0.4 i.e. price marked up by

$\Rightarrow \dfrac{0.4-0.2}{0.2}\times 100=100\%$

So, the claim of the owner is incorrect

The actual increase in the price to get 50% markup

$\Rightarrow 0.2\times (1+0.5)=\$0.3$

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3 years ago

Karri puts $1600 into an account that does not earn any interest. Every month

brilliants [131]

Answer:

1600 + 300n = balance

Step-by-step explanation:

n = number of months

1600 + 300(12) =

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3 years ago

PLEASE HELP !!!

kobusy [5.1K]

Help with what. Hahahaha

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3 years ago

PLEASE ANSWER ASAP

Vlada [557]

Answer:

Step-by-step explanation:

For an inverse function you take f(x) and turn that to y then you switch x and y. So you should start off with y= 5x -8. so then you switch x and y so x= 5y - 8. So then you solve. You subtract 8 from both sides and divide by 5 and you get F(x) inverse = x + 8/5

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3 years ago

Choose the function whose graph is given below.

kompoz [17]

Where is the pic?
i need to see it

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3 years ago