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3 years ago

The perimeter of a rectangular field is 318 m. If the width of the field is 72 m, what is it’s length?

Mathematics

1 answer:

igomit [66]3 years ago

6 0

length of the rectangular field equals 87

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On Tuesday, Michael walked to a grocery store in the morning and decided to buy a banana for $9.12 Michael handed the salesperso

mixas84 [53]

Michael received $0.01 or a penny

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3 years ago

1. A retirement account is opened with an initial deposit of $8,500 and earns 8.12% interest compounded monthly. What will the a

Rudik [331]

Answer:

Part A) $\$42,888.48$

Part B) $A=\$22,304$

Part C) The graph in the attached figure

Step-by-step explanation:

Part A) What will the account be worth in 20 years?

we know that

The compound interest formula is equal to

$A=P(1+\frac{r}{n})^{nt}$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

$t=20\ years\\ P=\$8,500\\ r=0.0812\\n=12$

substitute in the formula above

$A=8,500(1+\frac{0.0812}{12})^{12*20}$

$A=8,500(1.0068)^{240}$

$A=\$42,888.48$

Part B) What if the deposit were compounded monthly with simple interest?

we know that

The simple interest formula is equal to

$A=P(1+rt)$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest

t is Number of Time Periods

in this problem we have

$t=20\ years\\ P=\$8,500\\r=0.0812$

substitute in the formula above

$A=8,500(1+0.0812*20)$

$A=\$22,304$

Part C) Could you see the situation in a graph? From what point one is better than the other?

Convert the equations in function notation

$A(t)=8,500(1.0068)^{12t}$ ------> equation A

$A(t)=8,500(1+0.0812t)$ -----> equation B

using a graphing tool

see the attached figure

Observing the graph, from the second year approximately the monthly compound interest is better than the simple interest.

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3 years ago

1+1??????????????????????????????????????????

anyanavicka [17]

Answer: 2

Step-by-step explanation: 1+1=2

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3 years ago

Read 2 more answers

Describe and correct the error below.

Sergeeva-Olga [200]

Cos ( 390)
- 4 cot (-45)
Csc (60)
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2 years ago

1 of what number is 7

Kamila [148]

I hope this helps you

1=?.7

?=1/7

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3 years ago