1, 2, 4, 5, 10 & 20
The greatest common factor is 20.
Find the slopes of the three sides.
slope of AB = 2/(-5) = -2/5
slope of AC = -2/(-4) = 1/2
slope of BC = -4/1 = -4
No two slopes have a product of -1, so no two sides are perpendicular.
Therefore, the triangle is not a right triangle.
Answer:
r = 2
Step-by-step explanation:
The equation of a circle in standard form is
(x - h)² + (y - k)² = r²
where (h, k) are the coordinates of the centre and r is the radius
Given
x² + y² + 4x - 2y = - 1 ← rearrange the x and y terms together
x² + 4x + y² - 2y = - 1
Using the method of completing the square
add ( half the coefficient of the x/ y terms )² to both sides
x² + 2(2)x + 4 + y² + 2(- 1)y + 1 = - 1 + 4 + 1
(x + 2)² + (y - 1)² = 4 ← in standard form
with r² = 4 ⇒ r = = 2
Answer:
The best predicted pulse rate of a woman who is 73 in tall is 85.99 beats per minute .
Step-by-step explanation:
Given :The equation of the regression line :
To Find : Find the best predicted pulse rate of a woman who is 73 in tall.
Solution:
y represents the pulse rate
x represents the height
Now we are supposed to find the pulse rate of a woman who is 73 in tall.
So, Substitute x = 73 in equation.
So, the best predicted pulse rate of a woman who is 73 in tall is 85.99 beats per minute .
Answer:
The answer would be 16.
Step-by-step explanation:
Its easy multiplication. I hope this helps you!