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saw5 [17]
3 years ago
5

1.

Mathematics
2 answers:
tester [92]3 years ago
8 0
10+1+4+2+1+6= 25

Perimeter = 25
Hope this helps
lianna [129]3 years ago
6 0

Answer:

24 cm

Step-by-step explanation:

10 + 1 + 4 + 2 + 1 + 6 = 24 cm

Hope this helps

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If the principal is $300 rate 3% time 4 years then what is the interest earned and the new balance
Tomtit [17]

Answer:

a) Interest earned = $36

New Balance  = $336

b) Interest rate  = 0.05 or 5%

New Balance = $517.5

c) time t = 5

New Balance = $612.5

d) Principal Amount = $675

New Balance =  $783

Step-by-step explanation:

We are given:

a) Principal (P) = $300

Rate (r) = 3% or 0.03

Time (t)= 4 years

Interest earned = ?

The formula used is: Simple \ Interest (I)= P\times r\times t

Putting values and finding interest

Simple \ Interest (I)= P\times r\times t\\Simple \ Interest (I)= 300\times 0.03\times 4\\Simple \ Interest (I)= 36

So, Interest earned = $36

New Balance = Principal + Interest = 300+36 = $336

b) a) Principal (P) = $300

Rate (r) = ?

Time (t)= 3 years

Interest earned = 67.50

The formula used is: Simple \ Interest (I)= P\times r\times t

Putting values and finding rate

Simple \ Interest (I)= P\times r\times t\\67.50= 450\times r\times 3\\67.50=1350\times r\\r=\frac{67.50}{1350}\\r=0.05 \ or \ 5\%

So, Interest rate  = 0.05 or 5%

New Balance = Principal + Interest = 450+67.50 = $517.5

c) Principal (P) = $500

Rate (r) = 4.5% or 0.045

Time (t)= ?

Interest earned = $112.50

The formula used is: Simple \ Interest (I)= P\times r\times t

Putting values and finding time

Simple \ Interest (I)= P\times r\times t\\112.50= 500\times 0.045\times t\\112.50=22.5 \times t\\t=\frac{112.50}{22.5}\\t=5

So, time t = 5

New Balance = Principal + Interest = 500+112.50 = $612.5

d) Principal (P) = ?

Rate (r) = 8% or 0.08

Time (t)= 2 years

Interest earned = 108.00

The formula used is: Simple \ Interest (I)= P\times r\times t

Putting values and finding Principal

Simple \ Interest (I)= P\times r\times t\\108=P\times 0.08 \times 2\\108=P\times 0.16\\P=\frac{108}{0.16}\\P=675

So, Principal Amount = $675

New Balance = Principal + Interest = 675+108 = $783

8 0
3 years ago
I need help on 11-13 please i need this done asap! Can someone help me out
Alex777 [14]
13 is 141. A octagon has 1080 degrees and if you add all the angles up you get 939 and 1080-930=141
4 0
3 years ago
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A community garden is made up of three gardens:
notka56 [123]

Answer:

Step-by-step explanation:

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3 0
2 years ago
Read 2 more answers
There are 200 adults and 300 children at a zoo. The zoo makes a total of $7000 from the entrance fees, and the cost for an adult
boyakko [2]

What are you trying to find?

5 0
3 years ago
Part cut off at the top was I think of a number , add 8 and multiply by 3 My answer is 66 what was my number Can someone help me
Mashutka [201]
Your answer is 14 how i got it is simple first divide by 3 from 66 sense they multiply so it gonna be 22 NEXT minus 8 and your total/sum will be 14
6 0
3 years ago
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