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lapo4ka [179]
2 years ago
11

Find the area of the polygon.

Mathematics
1 answer:
zhannawk [14.2K]2 years ago
5 0

Answer:

820 m^{2}

Step-by-step explanation:

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Rex spent $6.42 at the store. He gave the cashier the money shown above. How much money did Rex get back from the cashier?
cupoosta [38]
The answer is d 10-6.42 is $3.58
4 0
3 years ago
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0.8 is 10 times as great as what decimal
kondor19780726 [428]
When we say that 2y is 2 times greater than y, this means that if we divide 2y by 2 we will get the y.

Similarly, to know the decimal that is less that 0.8 by 10 times, simply divide 0.8 by 10 as follows:
decimal = 0.8 / 10 = 0.08

This means that 0.8 is 10 times larger than 0.08
5 0
3 years ago
The mean radius of Earth is 6,371.0 kilometres and the mean radius of Earth’s Moon is 1,737.5 kilometres.
OLEGan [10]

Answer: 29,113.2 km

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:

Circumference = 2 x π x radius

Replacing with the values given:

Earth's mean circumference = 2 π 6,371.0 = 40,030.2 km

Earth's moon mean circumference = 2 π 1,737,5= 10,917 km

Now, we have to subtract Earth's moon mean circumference to Earth's mean circumference:

40,030.2- 10,917 =29,113.2 km

Feel free to ask for more if needed or if you did not understand something.  

3 0
3 years ago
Is (8,2) a solution for the system 2y=x-12
erica [24]
I hope this helps you

4 0
3 years ago
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if the area of a rectangle is expressed as x^4 - 9y^2, then the product of the length and the width of the rectangle could be ex
kvasek [131]

Answer:the product of the length and the width of the rectangle could be expressed as

(x^2 - 3y)(x^2 + 3y)

Step-by-step explanation:

If the area of a rectangle is expressed as x^4 - 9y^2, we would determine the dimensions by simplifying the given expression. The simplified expression becomes

(x^2 - 3y)(x^2 + 3y)

Let us check by multiplying each term in one parenthesis by each term in the other parenthesis to get the given expression. It becomes

(x^2 - 3y)(x^2 + 3y) = x^4 + 3x^2y - 3x^2y - 9y^2 = x^4 - 9y^2

6 0
3 years ago
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