Answer:
x = 90°
y = 40°
z = 40°
Explanation (Concepts) :
A straight line has total 180° angle. A square has 4 sides of each 90° angle. A triangle is build up of 180° interior angle.
Workouts:
z + 90° + 50° = 180°
z = 180° - 90° - 50°
z = 40°
=================
x + 90° = 180°
x = 180° - 90°
x = 90°
==================
50° + 90° + y = 180°
y = 180° - 90° - 50°
y = 40°
Answer:
Angle b
Step-by-step explanation:
Answer:
1) 6x = 21
2) x + y - 3
3) x/z = y
4) 2-x = p
Step-by-step explanation:
1. The product of a number x and 6 is 21
A product is a multiplication. A product of a and b is a * b.
We then have a product of x and 6, that x * 6, which we write usually in the format 6x.
is 21: that means it's equal to 21....
so 6x = 21.
2. The sum of the quantity x- 3 and y
The sum is an addition. The sum of a and b is a + b.
In this case, the first part is x - 3, the second part is y
So, x - 3 + y, which we usually rewrite as x + y - 3
3. The quotient of x and z is y
A quotient is a division.
So, quotient of x and z is x/z.
x/z = y
4. The difference of 2 and x is p.
A difference is a subtraction.
Difference of 2 and x is 2 - x
2 - x = p
The middle is 2 :D hope this helps
Answer:
a. 9
b. 4/9 or 0.444
Step-by-step explanation:
R=red card={R1,R2,R3,R4,R5}
E=even card={R2,R4,P2,P4}
n(R)=5
n(E)=4
a.
There 5 red and 4 purple card so, the sample space would be
Sample space=S={R1,R2,R3,R4,R5,P1,P2,P3,P4}
number of elements in sample space=n(S)=9
So, the number of elements in the sample space are 9.
b.
P(E)=n(E)/n(S)
P(E)=4/9 or 0.444
Thus, the probability of an even numbered card is 0.444.
