What????
You just add 1 +3 =4
Answer:
x = 6
y = 9
This is the correct answer. Not satisfied? Check out this answer expert verified answer of the same question but with a step-by-step explanation. This answer is just a simple version of rocioo's correct answer.
Expert Verified Answer (of this same question but with a step-by-step explanation):
This is the link to rocioo's answer. <u>brainly.com/question/13675950</u>
Answer: z=67-at
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a-45
Is 20 a perfect square number? A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 20 is about 4.472. Thus, the square root of 20 is not an integer, and therefore 20 is not a square number.
A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 21 is about 4.583. Thus, the square root of 21 is not an integer, and therefore 21 is not a square number.
Therefore neither one is a perfect square.
Pairs whose sum is 8:
2 + 6, 3 + 5, 4 + 4, 5 + 3, 6 + 2 ( there are 5 pairs )
Pairs when one die is 5: 3 + 5, 5 + 3 ( 2 pairs )
P ( A ) = 2 / 5 = 0.4
Answer: The probability that one die resulted in a 5 given that a sum is 8 is 0.4 .