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77julia77 [94]
3 years ago
8

The total amount A in an account earning simple interest is given by the equation A = P + Prt, where P is the principal, r is th

e rate as a decimal, and t is time in years.
Holly earns 4% simple interest over 5 years.

Which equation represents the amount in Holly's account in terms of the principal?

Mathematics
2 answers:
harina [27]3 years ago
8 0

Answer:A=P+0.2P

Step-by-step explanation:

zvonat [6]3 years ago
6 0

p\%=\dfrac{p}{100}\\\\4\%=\dfrac{4}{100}=0.04\\\\A=P+Prt\\\\r=4\%=0.04\\\\t=5\\\\\text{substitute}\\\\A=P+(P)(0.04)(5)=P+0.2P\\\\Answer:\ A=P+0.2P

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podryga [215]
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3 0
3 years ago
Braxton loves downloading new music he originally had 41 songs but plans to purchase 4 new songs each week. he wants to know how
ycow [4]

Answer:

a_110=41+(110-1)4

Step-by-step explanation:

He already has songs = 41

Since we are given that he purchase four songs every week .

So, in first week he purchase songs = 4

Initially he already has 41 songs

So, total songs after 1 week = 41+(4\times1)=45

After 2 weeks he will have songs = 41+(4\times 2)=49

This forms an arithmetic sequence  : 41,45,49......

Formula of nth term in A.P. : a_n=a+(n-1)d

a = first term = 41

d = common difference = 45-41=49-45=4

Since we are required to find the new songs after110 weeks

So, n =110

Substituting values :

a_110=41+(110-1)4

Thus Option A is correct.

4 0
3 years ago
Ribbon is only sold by the spool. A spool contains 25 yards of ribbon. Shannon needs 58 yards of ribbon to wrap all the presents
ella [17]

Answer:

\boxed{\text{3 spools}}

Step-by-step explanation:

\text{1 spool =25 yd}\\\text{Spools needed } = \text{58 yd} \times \dfrac{\text{1 spool}}{\text{25 yd}} = \text{2.32 spools}\\\\\text{However, Shannon can't buy part of a spool. She must $\textbf{round up}$ to the next integer.}\\\text{Shannon must buy $\boxed{\textbf{3 spools}}$ of ribbon}

6 0
3 years ago
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Phantasy [73]

Answer:

C

Step-by-step explanation:

The ratio is 1:4 so 1 of the object equals 4 of the scale drawing

30*4=120^2 cm

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3 years ago
GIVING BRAINLIEST!!?!?!
KatRina [158]

Answer:

130

Step-by-step explanation:

Divide 1,040 by 8 which equals 130

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3 years ago
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