Michael is 4 4 times as old as Brandon and is also 2 7 27 years older than Brandon. How old is Michael?
1 answer:
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First of all we can draw a parallel line to divide the figure into a triangle and a rectangle as shown in the figure. To find the area of our rectangle, remember that the area of a rectangle is length times width, so 
. Since we know for our figure that the length and width of our rectangle are 13cm and 6cm respectively, lets replace those values in our formula to get its area:
Similarly, the area of a triangle is one half times base times height, so
. Since we know that our base is 8cm and our height 6cm, lets replace those values in our equation to find the area of our triangle:
Now the only thing left is add our areas:
We can conclude that the correct answer is <span>A. 102</span>
Similarly, the area of a triangle is one half times base times height, so
Now the only thing left is add our areas:
We can conclude that the correct answer is <span>A. 102</span>
Answer:
0.12 = 12% probability of first selecting a PRIME number, replacing it, then selecting a number less than or equal to 3
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
Probability of independent events:
Suppose we have two events, A and B, that are independent. The probability of both happening is given by:
In this question:
Event A: Selecting a prime number.
Event B: Selecting a number less than or equal to 3
Probability of selecting a prime number:
Between 1 and 10, we have 4 prime numbers(2,3, 5 and 7), out of 10. So
Probability of selecting a number less than or equal to 3:
Three numbers(1,2,3) out of 10. So
Probability of both:
0.12 = 12% probability of first selecting a PRIME number, replacing it, then selecting a number less than or equal to 3