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3 years ago

What’s this someone answer 15 points

Mathematics

1 answer:

olga55 [171]3 years ago

8 0

Answer:

Option b

Step-by-step explanation:

Points (0, 1) and (1, -1)

y= -2x+1, x<1

Points (1, 1) and (2, 0)

y= - x+2, x≥2

option b covers these

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3 years ago

megan hughes deposits 2100 in an account that pays simple interest. when she withdraws her money 11 months later, she receives $

USPshnik [31]

Answer:

The rate at which the account pay the deposit is 2 %

Step-by-step explanation:

Given as :

The principal amount deposited in account = $2100

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Now, From Simple Interest method

Simple Interest = $\dfrac{\textrm Principal\times \textrm rate\times \textrm time}{100}$

Or, Interest = $\dfrac{2100\times r\times \frac{11}{12}}{100}$

Or, Interest = $\frac{21\times r\times 11}{12}$

Or, Interest = 19.25 r

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So, 19.25 r = $2138.50 - $2100

Or, 19.25 r = $38.5

∴ r = $\frac{38.5}{19.25}$

I.e r = 2

So, rate of interest = r = 2 %

Hence The rate at which the account pay the deposit is 2 % Answer

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4 years ago