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Vaselesa [24]
3 years ago
6

Linda has d dollars in an account that pays 1.4% interest, compounded weekly. She withdraws w dollars. Express her first week’s

interest algebraically.
Mathematics
2 answers:
Fittoniya [83]3 years ago
7 0

Answer:

If the 1.4% rate of interest is the weekly rate of interest, Then, total first week interest = 1.4(d - w)/100 = 0.014(d - w)

But if the 1.4% rate of interest is a yearly rate of interest compounded weekly, then her total first week interest = 7(d - w)/2600 = 0.00269 (d - w)

Step-by-step explanation:

The interest, I = PRT

P = initial amount of dollars in account = (deposit - withdrawal) = (d - w)

R = rate of interest = 1.4% = 0.014/week

T = time = 1 week

If the 1.4% rate of interest is the weekly rate of interest

I = PRT = (d - w) × 0.014 × 1 = 0.014(d - w)

But if the 1.4% rate of interest is a yearly rate if interest compounded weekly,

P = initial amount of dollars in account = (deposit - withdrawal) = (d - w)

R = rate of interest = 1.4% = 0.014/year

T = time = 1 week = (1/52) years

I = PRT = (d - w) × 0.014 × (1/52) = 7(d - w)/2600 = 0.00269 (d - w)

Hope this Helps!!!

kompoz [17]3 years ago
6 0

Answer:

7/26000 * (d - w),

= $ 0.00027(d - w)

Step-by-step explanation:

Using simple interest equation given by:

I = (P*r*t)/100,

Where,

I = interest

P = principal amount (initial amount)

= initial amount put - final amount

= $ d - $ w,

r = interest rate,

t = time taken,

n = 1

t = 1/52 years (52 weeks in a year)

r = 1.4 %

P = $ d - $ w

Using the first equation,

= (d - w)*1.4*1/52)/100,

= 7/26000 * (d - w),

= $ 0.00027(d - w)

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Further explanation:

Given:

The compositions of transformations from EFGH to {\text{E''F''G''H''}} are as follows,

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Answer details:

Grade: Middle School

Subject: Mathematics

Chapter: Triangles

Keywords: rotation, transformation, map, EFGH, composition, translation, triangle, rotation about point A, mapped, triangle pair, mapping, equal angles, sides, congruent, two triangles, common point.

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PLEASE RATE!! I hope this helps!!

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