Answer:
radius ≈ 10.77 cm
Step-by-step explanation:
The segment from the centre O to the chord is a perpendicular bisector.
Thus 2 right triangles are formed with legs 10 cm and 4 cm ( half of XY )
The radius r is the hypotenuse.
Using Pythagoras' identity, then
r² = 4² + 10² = 16 + 100 = 116 ( take the square root of both sides )
r =
≈ 10.77 cm ( to 2 dec. places )
I feel like it’s d because it is changed to the other form
Answer:
2.3 x 10⁴
Step-by-step explanation:
23000 is the number. You need the decimal to be in between the two whole numbers that aren't 0.
2.3 <
2.3 x 10, the exponent after the ten has to move the decimal to the original number of spaces in the original number 23000.
In 23000 its 4 places so your answer would be
2.3 x 10⁴
For this case we have a function of the form
Where:

We must find the value of the function when the variable x is -5.
Then, substituting, 

We have that by sign law

Answer:
