there are 10 numbers you want either a 4 or 7 ( 2 numbers)
so probability is 2/10 which reduces to 1/5
the answer is 20 because 200 * (1/10) = 20
Answer:
Step-by-step explanation:
Given kite BCDE and
- CD = 53 units
- AD = 28 units
- AC = ?
We know diagonals of kite are perpendicular to each other, hence ADC is a right triangle.
Using Pythagorean, find the missing side AC:
So AC is 45 units long
Answer:
y = -1/4x -1
Step-by-step explanation:
Mathematically, we have the slope intercept form as;
y = mx + b
where m is the slope and b is the y-intercept
from the question;
m is -1/4
So we have :
y = -1/4x + b
To get the value of b, we substitute the coordinates given and solve for b
Firstly, multiply through by 4
That will
give ;
4y = -x + 4b
4(-4) = -12 + 4b
-16 = -12 + 4b
-16 + 12 = 4b
4b = -4
b = -4/4
b = -1
So the equation in the slope intercept form is;
y = -1/4x -1