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3 years ago

Find the area of the regular octagon if the apothem is 3 cm and a side is 2.5 cm. Round to the nearest whole number.

1 answer:

8 0

What the person who is asking the question forgot to say is that its one of these answers

A.30cm2
B.55cm2
C.18cm2
D.60cm2

oh and I believe the answer is 30cm2

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HELP IS TIMED

KIM [24]

Answer:

choice a.) degree 3, constant term -1 leading coefficient 1

Step-by-step explanation:

expand the binomial product

(x - 1)(xx + 1) = xxx - 1 + x - xx

4 0

3 years ago

Determine the mean of the data. Round to the nearest tenth. 6, 9, 15, 22, 30, 36

pshichka [43]

To find the mean you add all the numbers and divide it by the amount of numbers there is so add
6+9+15+22+30+36=118
there is 6 number so divide 118 by 6
118/6=19.6666666667 rounded to the nearest tenth it would be 20
So your mean would be 20
let me know if you have any questions

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3 years ago

Please prove the following trigonometric identity.

Brums [2.3K]

Step-by-step explanation:

solution:- from LHS 1-cos²x/sinx

∵ 1-cos²x = sin²x

∴ sin²x /sinx = sinx

from RHS tanx × cosx

∵tanx = sinx×cosx

∴ sinx/ cosx × cosx = sinx

Since, LHS = RHS proved ___

3 0

3 years ago

Explain how your knowledge of place value helps you divide a number in the thousands by whole numbers to 10 give an example to s

lapo4ka [179]

Answer with Step-by-step explanation:

The value of a digit due to its position in a number is called as place value.

For example, there's a number

23450

2 is in ten thousands place and it has a place value of 20,000

3 is in thousands place and it has a place value of 3000

4 is in hundreds place and it has a place value of 400

5 is in tens place and has a place value of 50

0 is in unit or ones place and has a value of 0

When we divide the number by 10, we move every digit from its current place value to the right.

23450 divided by 10 = 2345

Now,

2 is in thousands place and it has a place value of 2,000

3 is in hundreds place and it has a place value of 300

4 is in tens place and it has a place value of 40

5 is in unit or ones place and has a place value of 5

6 0

3 years ago

Explain how you use a net to find the surface area of a prism.

patriot [66]

Step-by-step explanation:

To find the total surface area of a prism, you need to calculate the area of two polygonal bases, i.e., the top face and bottom face. And then calculate the area of lateral faces connecting the bases. Add up the area of the two bases and the area of the lateral faces to get the total surface area of a prism.

Hope this helps!

All the love, Ya boi Fraser :)

7 0

3 years ago

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