Answer:
0.575
Step-by-step explanation:
There are two types of probabilities:
1. Theoretical Probability
2. Experimental Probability
The probability based on mathematical theories is called theoretical probability. It is not always true. i.e. the probability of getting a head in a toss of coin is 1/2 or 0.5 or 50%
Experimental probability is based on experiments. Experimental probability is always going to change whenever the experiment is performed.
The theoretical probability of getting a head while tossing a coin will always be 50% while experimental probability might be different the next time, experiment is performed.
In this case, the experimental probability will be 23/40 or 0.575 ..
Q-7
____ =-2
-1
First you multiply by negative on to cancel it out
q-7=2
then you add 7 to the other side
q=9
Answer:
0.25
Step-by-step explanation:
Average means 
According to the formula, each student in Mr. Goldwasser's class read
books on average, and each student in Mr. Welch's class read
books on average.
Therefore, the answer will be
Answer
Find out the perimeter of the isosceles triangle.
To prove
As shown in the figure.
P(0,4) , Q(-2,0) and R(2,0) are the vertices of the triangle PQR.
Formula
As P(0,4) and Q(-2,0)
In the isoceles triangle the two sides of the triangles are equal .
Therefore PQ = PR
As Q(-2,0) and R(2,0)
QR = 16 unit
n less than 7, is represented as this:
n>7
Step-by-step explanation:
You just need to think about what the question is, if it's less than, you use the > symbol to prove one variable is smaller than the other.
i hope this helps!
