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3 years ago

What is the measure exterior angle of a regular octagon

1 answer:

4 0

The formula for the number of degrees of an external polygon is
360/n where n is the number of sides

octogon has 8 sides
360/8=45
answer is 45 degrees

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The price of a cup of coffee was $2.10 yesterday. Today, the price rose to $2.25. Find the percentage increase. Round your answe

Fittoniya [83]

Answer:

Easy-peasy.

Step-by-step explanation:

2.45/2.10 = 1.167 (rounded to the nearest tenth of a cent).

That is, 2.45 is 116.7% of 2.10

Since $2.10 is 100% of 2.10,

2.45 is a 16.7 increase.

4 0

4 years ago

You take out a student loan for $80,000 with 2.75% annual interest to pay for your first year of college. This loan will cover a

yKpoI14uk [10]

Exponential growth equation would be

Amount= 80,000 (1+2.75/100) ⁴

At the end of 4 years I would have to repay an amount of $ 89,169.70

Step-by-step explanation:

Since, the amount is loaned it would vary exponentially i.e. in a compounding manner.

We know that for compound interest, the equation is written as-

Amount= principal(1+r/100) ˣ

Where r- rate of interest which is 2.75% annually

And x= time period= 4 years as in the question

Principal= $ 80,000

Therefore, Equation becomes-

Amount= 80,000(1+2.75/100) ⁴

On solving this Amount would equal $ 89,169.70

Hence, at the end of 4 years I would have to repay an amount of $ 89,169.70.

6 0

3 years ago

Patty spent 3 1/2 times as much as Sandy. if sandy spent $20.50, how much did patty spend

katrin2010 [14]

12.6$Answer:

Step-by-step explanation:

1$ - 20$ = 19$ / 3 = 6.3$

6.3$ x 2 = 12.6$

6 0

3 years ago

What is 3 divided by 1/4

konstantin123 [22]

12 have a nice day plz mark as brainliest

4 0

3 years ago

Read 2 more answers

The United States has 435 members of the House of Representatives in Congress. If there are 325.7 million people in the country,

drek231 [11]

Answer:

$1.36\times 10^{-6}:1$

Step-by-step explanation:

We have been given that the United States has 435 members of the House of Representatives in Congress. There are 325.7 million people in the country.

To find the ratio of members to the people, we will find compare both numbers.

1 million equals 1,000,000.

$\text{325.7 million}=325.7\times 1,000,000$

$\text{325.7 million}=3257,000,000$

Ratio of members to the people:

435: 3257,000,000

$0.0000013355848941:1$

$1.3355848941\times 10^{-6}:1$

$1.36\times 10^{-6}:1$

Therefore, our required ratio would be $1.36\times 10^{-6}$ members per person.

3 0

3 years ago