Question 1:
We can use the rule of exterior angle of triangle, where the exterior angle is equal to the sum of the other 2 interior angles of the triangle except for the adjacent one.
So, we can calculate angle 1 by adding up the 2 given angles.
Angle1 = 62° + 57°
=119°
=answer C.
Question 2:
We can also apply the rule above, but first we have to calculate the remaining angle of the triangle first.
For this, we have to use the angle sum of triangle. All 3 interior angles of triangle should add up to 180°.
Let that remaining angle be x.
X = 180° - 62° - 57°
X=61°
Now we can apply the rule of exterior angle of triangle.
Angle 1 = 62° + 61°
=123°
=answer D.
Answer:
$880
Step-by-step explanation:
This is called a system of equations!! Here's how to do it:
1. Make Equations
In this case, the equations would be
- p+c=64 (this is saying that pepperoni pizzas plus cheese pizzas equal 64, which we got from the question.)
- 1/3c=p (this is telling us that he sells 1 pepperonis for 1/3 cheese pizza)
2. Solve the system of equations
For this problem, we will substitute 1/3c for p. The problem becomes
Then you divide by 4/3 to get p by itself:
Now substitute 48 for p in the first equation.
3. Find the money amounts
Now that you know that pepperoni pizzas equal 48, and cheese equals 16, this is easy.
- Multiply 16*10 to get the cheese cost. ($160)
- Multiply 15*48 to get the pepperoni cost ($720)
- Then add those to get the total!
Answer:
b ≥ 500
Step-by-step explanation:
since the balance has to be at least 500, b has to be grater than or equal to 500, so b ≥ 500
Answer:
537 pages
Step-by-step explanation: 482 + 55 = 537
We are given with
n = 1000
p = 0.78
Samples = 10
Condition = at most 7 have one or two social media accounts
We can use combinations to solve the problem
P = ∑10Ci (0.78)^i (1-0.78)^(10-i)/ 1000C10 from i from 0 to 7
Solve for P
