Answer:
Step-by-step explanation:
The probability of getting a 1 is 0.3
1 answer:
Answer: 45
Step-by-step explanation:
To calculate the probability of the number of times a 1 we appear , we have
number of times a 1 appeared / Total number of times the die is rolled.
Let x represent the number of times a 1 is gotten
And we have been given the probability of getting a 1 and also the total number of times the die is being rolled , substituting this inside the formula above , we have
0.3 = x / 150
x = 150 x 0.3
x = 45
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Answer:
30
Step-by-step explanation:
This problem can be done without the Distance Formula (which is a way to find the distance between any two points in the plane).
The attached image shows the points and segments joining them.
PQ = 5 because the points are on the same horizontal line, and you can count spaces between them (or subtract x-coordinates: 4 - (-1) = 5).
PR = 12 because the points are on the same vertical line; count spaces or subtract y-coordinates, 7 - (-5) = 12.
The triangle is a right triangle, so the Pythagorean Theorem can be used to find the length of the hypotenuse.
The perimeter of the triangle is 5 + 12 + 13 = 30
