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Neko [114]
3 years ago
10

Does anyone know the answer?

Mathematics
1 answer:
BaLLatris [955]3 years ago
4 0

Answer: (11/2)π units.

Step-by-step explanation:

I've attached the solution.

Before seeing it there is a theorem you should remember.

The angle subtended by an arc of a circle at its center is twice of the angle it subtends anywhere on the circle’s circumference.

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Find the solution of the system of equations.
avanturin [10]

Answer:

3

Step-by-step explanation:

The number is 3.

Step-by-step explanation:

Finding the Number

To find the number, we have to translate the problem above to an algebraic equation. The algebraic equation refers to the statement of the equality of two algebraic expressions.

Equation:

Let "x" be the number.

4 is divided by a number - 4/x

3 divided by the number decreased by 2 - 3/x-2

"4 is divided by a number is equal to 3 divided by the number decreased by 2"

4/x = 3/x-2

Solution:

Cross multiply.

4/x = 3/x-2

x(3) = 4(x-2)

3x = 4x - 8

(Combine similar terms.)

3x - 4x = - 8

- x = - 8

- x/- 1 = - 8/- 1

x = 8

Final Answer:

8

Checking:

4/x = 3/x-2

4/8 = 3/8-2

1/2 = 3/6

1/2 = 1/2 ✔

7 0
3 years ago
The scale factor of the dimensions of two similar wood floors is 5 ​: 3. It costs ​$144 to refinish the smaller wood floor. At t
Eva8 [605]

Answer: 240

Step-by-step explanation:

144/3 = 48

5x48= 240

6 0
3 years ago
What is 15/20 simplest form
Fiesta28 [93]

Answer:

the simplest form of 15/20 is 3/4

8 0
3 years ago
Which of the following is the equation of a line parallel to the line y = 4x + 1,
Lisa [10]

Answer:

y = 4x - 19

Step-by-step explanation:

The line is parallel to the line whose equation is;

y = 4x + 1

Parallel lines have the same slope so the slope of our line is 4.

The line passes through point (5,1)

Slope = change in y ÷ change in x

Taking another point (x,y) on the line,

Slope = \frac{y-1}{x-5} = 4

y - 1 = 4x - 20

y = 4x - 19

4 0
3 years ago
The sum of 5x and 2xis at least 14 as a inequality
vesna_86 [32]

Answer:

The sum of 5x and 2xis at least 14 as an inequality is: 5x +2x < 14

The product of x and y is less than 4 as an inequality is: x * y < 4

Step-by-step explanation:

8 0
3 years ago
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