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Setler79 [48]
3 years ago
8

A circle with a circumference of 6 has an arc with 20 central angle

Mathematics
1 answer:
marissa [1.9K]3 years ago
7 0

Answer: 0.3 units

Step-by-step explanation: The ratio of the length of the arc to the circumference of the circle is proportional to the ratio of the central angle to the sum of angle in a circle.

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The area of a circular rose garden is 44 square meters. What is the radius of the garden?
Tasya [4]
The area of a circle is:

a=πr^2  dividing both sides by π

r^2=a/π  taking the square root of both sides

r=√(a/π), in this case a=44 m^2 so:

r=√(44/π) m^2

r≈14.01 m^2  (to the nearest hundredth of a square meter)
5 0
3 years ago
What is the area of rectangle FGHK? ANSWER WITH STEPS
Sergio [31]

Answer:

36cm

Step-by-step explanation:

4.5+4.5 = 9

9*4 = 36cm

7 0
2 years ago
The function of h is defined by hx=2x-7 what is the value of h8
photoshop1234 [79]

Answer:

hx,= 2x-7

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= 16-7

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7 0
3 years ago
Which equation of the solutions of x2 = -7x – 8
timama [110]

Answer:

x = 1, -5.56

Step-by-step explanation:

x^2 = -7x - 8

shift -7x and -8 to the other side . Remember when u shift minus changes into plus.

x^2 + 7x + 8 = 0

using quadratic equation formula

in quadratic equation one value comes positive and other comes in negative

a = 1  , b = 7 and c = 8

taking positive sign

x = (-b + \sqrt{b^2 - 4*a*c}) /2*a

x = (-7 + \sqrt{7^2 - 4*1*8} ) /2*1

x = (-7 + \sqrt{49 + 32} ) /2

x = (-7 + \sqrt{81} )/ 2

x = -7 + 9 / 2

x = 2/2

x = 1

taking negative sign

(-b - \sqrt{b^2 - 4*a*c} ) /2*a

x = (-7 - \sqrt{7^2 - 4*1*8} ) /2*1

x = (-7 - \sqrt{49 - 32} ) /2

x = -7 - \sqrt{17} / 2

x = -7 - 4.12 / 2

x = -11.12/2

x = -5.56

therefore x = 1 , - 5.56

4 0
3 years ago
Read 2 more answers
How to solve 5 + 5 x 5 -5 ÷ 5
blagie [28]

Answer:

= 5+5x5-25

=5+25 -25

=30-25

=5

7 0
3 years ago
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