Answer:
D
Step-by-step explanation:
The rules we need to simplify this are:
and
Now, let's simplify the problem:
Answer choice D is y^10, so that's correct.
How many hours and minutes from noon to a quarter to four in the afternoon?
1 answer:
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Answer:
24 cm
Step-by-step explanation:
The altitude from the centre to the chord is 5 cm and bisects the chord.
The radius of the circle is 26 cm ÷ 2 = 13 cm
There is a right triangle formed with legs 5 and x ( x is half the chord )
The hypotenuse is the radius, then using Pythagoras' identity
x² + 5² = 13²
x² + 25 = 169 ( subtract 25 from both sides )
x² = 144 ( take the square root of both sides )
x = = 12
Then
length of chord = 2x = 2 × 12 = 24 cm