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icang [17]
3 years ago
15

If total length of boundary of a circle is 220m. find its diameter​

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
4 0

Answer:

3850m^2

Step-by-step explanation:

hope this helps

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A number to the 9th power divided by the same number to the 6th power equals 64. What is the number?
Vika [28.1K]
Use an equation:
x^9/x^6=64
x^(9-6)=64
x^3=64
x=4

note that x^9 means "x to the power of 9", same with other ones

the number is 4.
5 0
3 years ago
Which polynomial identity will prove that 19 = 27 − 8?
3241004551 [841]
The answer is Difference of Cubes.

Difference of cubes is a³ - b³.
27 can be written as 3³ (= 3 × 3 × 3 = 27). So, a = 3.
8 can be written as 2³ (= 2 × 2 × 2 = 8). So, b = 2.

Difference of cubes can be expressed as:
       a³ - b³ = (a - b)(a² + ab + b²)
⇒   3³ - 2³ = (3 - 2)(3² + 3×2 + 2²) = 1 × (9 + 6 + 4) = 1 × 19 = 19
⇒  27 -  8  = 19


5 0
3 years ago
Please help me I really need a good grade on this I will give y'all brainless thanks
tia_tia [17]

Answer:

14 and 6th I think correct me if I'm wrong this is for help not to cheat

7 0
2 years ago
Solve for q. √3q + 2 = √5
34kurt

Answer:

q = 0.0186

Step-by-step explanation:

To solve for q, we initially place everything with the term q to one side of the equality, and everything without the term q to the other side of the equality.

So

\sqrt{3q} + 2 = \sqrt{5}

\sqrt{3q} = \sqrt{5} - 2

We find the square of both sides of the equation. So

(\sqrt{3q})^{2} = (\sqrt{5} - 2)^{2}

3q = 0.0557

q = \frac{0.0557}{3}

q = 0.0186

8 0
3 years ago
Pls help on #9 ASAP. thank you. I’ll give u as much points as i can ♡
Alinara [238K]
A. X> lobsters 
7 + x <= 18
X <= 11 lovsters. 

B. (7+3+10)
x= additional lobsters 
10 + x <= 24 
x<= 14 lobsters

C. 24/4 = 6 lobsters

Hope this helps.

6 0
3 years ago
Read 2 more answers
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