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Pani-rosa [81]
3 years ago
10

actually post 17 status updates on her Facebook wall each day. Roberto posts 21 status updates on his Facebook wall each day. Pa

rt A: define each variable and write an algebraic expression to describe the combined number of posts for Ashley and Roberto after any given number of days. part b: write an algebraic expression to describe the difference between number of posts for Ashley and Roberto after any given number of days.
Mathematics
1 answer:
Alenkinab [10]3 years ago
7 0

No. of status posted by Ashley each day = 17

<span>No. of status posted by Roberto each day =21</span>

An algebraic expression to describe the combined number of posts for Ashley and Roberto after any given number of days can be written as

17x+21y

An algebraic expression to describe the difference between number of posts for Ashley and Roberto after any given number of days can be written as

17x -21y

<span>Here in above equations, x and y represents the numbers of days for Ashley and Roberto.</span>

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Suppose Y varies directly with x, and y = 25 when x = 140. what is the value of x when y = 36?
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25y.......140x

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Cross multiply

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3 years ago
Matt Ali deposited $25,000 in a savings account. The account earns 5.5 percent interest compounded daily. Use the formula “ Amou
katen-ka-za [31]

Answer:

A) Amount = $ 116,601.31

B) Compound Interest = $ 91,601.31

Step-by-step explanation:

Compound interest Formula

A = P(1 + r/n)^nt

Where

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r = interest rate = 5.5 %

n = Compounding frequency = daily

t = time in years = 28 years

A). What amount will he have in his account 28 years later ?

First, convert R percent to r a decimal

r = R/100

r = 5.5%/100

r = 0.055 per year,

Then, solve our equation for A

A = P(1 + r/n)^nt

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A = $ 116,601.31

B.) How much will be compound interest ?

I = Amount - Principal

A(Amount ) = $ 116,601.31

P (principal) = $ 25,000.00

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I (interest) = $ 91,601.31

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3 years ago
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