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kati45 [8]
2 years ago
8

Please help.

Mathematics
2 answers:
ipn [44]2 years ago
8 0
2£ sorry if it's wronge
Archy [21]2 years ago
7 0

Answer:

2π

Step-by-step explanation:

When a circle's radius is 1—called a unit circle—its circumference is 2π.

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2abc - 3ab if a=2 b=-3 and c=4
Margarita [4]
2abc - 3ab ║ 2 (2) (3) (4) - 3 (2) (3)

You would multiply and the products - you are going to subtract
2 × 2 × 3 × 4 = 48
3 × 2 × 3 =     - 18
                    -------
        answer:    30
7 0
3 years ago
Read 2 more answers
The 6 term of a G.P is -2\27 and it's first term is 18.what is the common ratio​
Airida [17]

Answer:

r = - \frac{1}{3}

Step-by-step explanation:

The n th term of a GP is

a_{n} = a₁ r^{n-1}

where a₁ is the first term and r the common ratio

Here a₁ = 18 and a₆ = - \frac{2}{27} , then

18 r^{5} = - \frac{2}{27} ( divide both sides by 18 )

r^{5} = - \frac{1}{243} ( take the fifth root of both sides )

r = \sqrt[5]{-\frac{1}{243} } = - \frac{1}{3}

4 0
2 years ago
What is the sum of one-sixth of x and 2.8?
Murljashka [212]
The answer is 2.8x! hope it helps
7 0
3 years ago
Please help with this question!!
barxatty [35]

Answer:

  -29/20

Step-by-step explanation:

The cosecant function is the inverse of the sine function. Both sine and cosecant are odd functions, meaning csc(-x) = -csc(x) = -1/sin(x).

  csc(-θ) = -1/sin(θ) = -1/(20/29) = -29/20

6 0
3 years ago
A triangle's side lengths are 15 cm and 10 cm. Write an inequality to determinte the possible measure for the missing side lengt
Klio2033 [76]

Answer:

the missing side lenght = x

0 < x < 15+10

0 < x < 25 cm

7 0
3 years ago
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