FIND THE VALUE OF X PLEASE HELP PLEASE AND THANK U

Mathematics

1 answer:

Luba_88 [7]3 years ago

8 0

Answer:

105°

Step-by-step explanation:

From the picture, C is the center of the circle.

The chord that passes the center is called a diameter.

Angle x is a central angle which corresponds to the arc of it. So therefore the measure of the arc would be the same as the measure of that corresponding <em>central angle </em>and vice versa.

So if m arc BF = 105°, then x° = 105°

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A square has an area of 121 square centimetres.<br> What is its perimeter?

Karolina [17]

Answer:

44 cm

Step-by-step explanation:

The area of a square is the square of the side length. This means the side length is the square root of the area.

s = √A = √(121 cm²) = 11 cm

The perimeter of a square is the sum of its side lengths. There are 4 equal-length sides, so the perimeter is 4 times the length of one side:

P = 4s = 4(11 cm)

P = 44 cm

The perimeter of the square is 44 cm.

3 0

2 years ago

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Answer in scientific notation?

love history [14]

The answer is: 45 * 10 ⁻¹¹ .
___________________________________________

Explanation:
____________________________________________
Given: (9 * 10⁻⁵) * (5 *10 ⁻⁶) ; Simplify.
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(9 * 10⁻⁵) * (5 *10⁻⁶) =

9 * 5 * 10⁻⁵ * 10⁻⁶ =

(9 * 5) * 10⁻⁵ * 10⁻⁶

45 * 10⁻⁵ * 10⁻⁶ ;
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Note the following property of exponents:

xᵃ * xᵇ = x⁽ᵃ⁺ᵇ⁾ ;

As such, 10⁻⁵ * 10⁻⁶ = 10⁽⁻⁵ ⁺ ⁻⁶) = 10 ⁻¹¹ ;
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So; 45 * 10⁻⁵ * 10⁻⁶

= 45 * 10⁻¹¹ .
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3 years ago

What is the correct letter? (Giving brainliest)

vampirchik [111]

Answer:

d is the answer

Step-by-step explanation:

perimeter of rect = 2(7+3) = 20

perimeter of square = 4 a =20

a = 5

3 0

2 years ago