Answer:
12
Step-by-step explanation:
Answer:
The bottom left square of the triangle in 90 degrees always so take 90 + 40 giving you 130,
a Triangle has 180 degrees in total so 180 -130 = 50 degrees for the last side
Answer:
The correct answer for this problem is the 2nd one because all you have to do is count how far each one is from -1 and -2
Step-by-step explanation:
There are
ways for the teacher to decide which student she will teach during each lesson time if she must teach each student exactly 3 times. Here, "!" represents the factorial.
A number's factorial is the result of multiplying the integer by each natural number below it. Factorial can be symbolized by the letter "!". Thus, n factorial is denoted by n! and is the result of the first n natural numbers.
A whole number's "n" factororial is the sum of that number and each whole number up to one.
When a question asks you to determine how many different ways you can arrange or order a given number of items, you use a factorial.
Learn more about factorials here:
brainly.com/question/25997932
#SPJ1
A=(7,3) b=(7,-2) c=(1,-2)