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Sladkaya [172]
2 years ago
14

You might need: 3 Calculator

Mathematics
1 answer:
Aleks04 [339]2 years ago
8 0

Answer:

3.14 or pi

Step-by-step explanation:

the area of a circle = pi * r^{2} where r is the radius of the circle

this is 1/4 of the circle, so it would be 1/4 (pi * r²)

it shows that the radius is 2, so you have

1/4 ( pi * 2²)

= 1/4 ( pi * 4 )

= 1/4 (3.14 * 4)

= 3.14 units²

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Find the supplementary angle of 101.9º.<br> HELP
BaLLatris [955]

Answer

180

if your feeling nice can you give me a brainlest :)

7 0
3 years ago
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Factorise fully<br>40-10g <br><br>Please do quick, will mark brainiest!!​
bekas [8.4K]

Answer:

<h2>10(4-g)</h2>

Step-by-step explanation:

40 - 10g

Rewrite 40 as 4 × 10

4 \times 10 - 10g

Factor out 10

10(4 - g)

7 0
2 years ago
What is the slope for the equation: y = - 4x + 5?
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Answer:

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Step-by-step explanation:

i got this correct

8 0
2 years ago
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sattari [20]
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3 0
3 years ago
If the geometric mean of a and 34 is 6 sqrt(17) find the value of a
Alborosie

Using the geometric mean concept, it is found that the value of a is 18.

----------------------

The geometric mean, of a data-set of n elements, (n_1, n_2, ..., n_n), is given by:

G = \sqrt[n]{n_1 \times n_2 \times ... \times n_n}

That is, the nth root of the multiplication of all elements.

----------------------

In this question:

  • Two elements(n = 2), a and 34.
  • G = 6\sqrt{17}

Thus:

\sqrt{34a} = 6\sqrt{17}

We find the square of each side, so:

(\sqrt{34a})^2 = (6\sqrt{17})^2

34a = 36\times17

Simplifying both sides by 17:

2a = 36

a = \frac{36}{2}

a = 18

The value of a is 18.

A similar example is given at brainly.com/question/15010240

3 0
3 years ago
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