Answer:
for the perimeter to be made into a equation it would take the equation
2(3x - 5) + 2(2x + 1)
And for the perimeter to equal 42 x would have to equal 5
Step-by-step explanation:
so first of all we have to find our equation to equal 42:
2(3x - 5) + 2(2x + 1) = 42
you then multiply 2 for both parentheses:
(3x * 2) + (-5 * 2) + (2x * 2) + (1 * 2) = 42
so its now:
6x -10 + 4x + 2 = 42
now your going to add variables to variables and numbers to numbers:
(6x + 4x) + ( -10 + 2) = 42
to get:
10x + (-8) = 42
Now your going to add 8 to both sides:
10x + (-8) = 42
+8 +8
Giving the equation:
10x = 50
now you divide both sides by 10 to get:
10x/ 10 = 50/10
x = 5
to solve you put 5 in place of the variable x:
2(3*5 - 5) + 2(2*5 + 1)
2(15 - 5) + 2(10 + 1)
20 + 22 = 42
So x equals 5 if the perimeter equaled 42
Answer:
The probability of exercise in cruise ships = 73
Step-by-step explanation:
Let A be the probability of rock climbing
Let B be the probability of ice skating
Let C be the probability of fitness center
P(A) = 36, P(B) = 44, P(C) = 27
P(A ∩ B) = 14, P(A ∩ C) = 11, P(B ∩ C) = 9
P(A ∩ B ∩ C)=0
By formula,
P(A ∪ B ∪ C) = P(A) + P(B) + P(C) − P(A ∩ B) − P(A ∩ C) − P(B ∩ C) + P(A ∩ B ∩ C).
Substituting the values in the above formula,
P(A ∪ B ∪ C) = 36 + 44 + 27 - 14 - 11 - 9 + 0
= 107 - 14 - 11 - 9
P(A ∪ B ∪ C) = 73
<span>-0.15384615384 repeative
or -0.153846 with a line on top</span>
