3 years ago

A circle with circumference 12 has an arc with a 48 degrees central angle.

Mathematics

2 answers:

11111nata11111 [884]3 years ago

7 0

Answer:

1.6

Step-by-step explanation:

I checked Klan Academy and it was correct

Elan Coil [88]3 years ago

4 0

Answer:

Here: "A circle with the circumference 12 has an arc with a 48 degree central angle. Find the radius of the circle." arc length formula: s = r·Ф, where Ф is the central angle in radians. The 48° angle is equivalent to 0.8412 radians (180° ↔ π rad)

Step-by-step explanation:

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Find the discriminant and the number of real roots for this equation.

GuDViN [60]

Answer:

Step-by-step explanation:

To find the discriminant you do b^2-4(a)(c), which in this case gives you -28. If your discriminant is less than zero, you will have no real roots.

8 0

3 years ago

the product of 7 and a number increased by 3 is equal to twice the number subtracted from 39 find the number

Vanyuwa [196]

Say x is the number

7x +3 = 39 -2x
Add 2x to each side
9x +3 =39
Subtract 3 from each side
9x =36
Divide by 9 on each side
x=4

Hope this helped