Answer:
Step-by-step explanation:
Number of cats at veterinarian office = 2
Number of dogs at veterinarian office = 4
Total number of pets at veterinarian office = 2 + 4 = 6
Now, we need to find probability that 2 cats are seen in a row
⇒ No dog is seen between two cats
So, to find the required probability :
No. of favorable outcomes = 2
Total number of outcomes = 6
Answer:
-2, 3, -0.5 + 0.866i, -0.5 - 0.866i.
Step-by-step explanation:
As the last term is -6 , +/- 2 , +/- 3 are possible zeroes.
Try 2:-
(2)^4 - 6(2)^2 - 7(2) - 6 = -28 so 2 is not a zero.
3:-
(3)^4 - 6(3)^2 - 7(3) - 6 = 0 so 3 is a zero.
(-2)^4 - 6(-2)^2 - 7(-2) - 6 = 0 so -2 is also a zero.
Divide the function by (x +2)(x - 3), that is x^2 - x - 6
gives x^2 + x + 1
x^2 + x + 1
So we have x^2 + x + 1 = 0
x = [-1 +/- √(1^1 - 4*1*1)] / 2
= -1 + √(-3) / 2 , - 1 - √(-3) / 2.
= -0.5 + 0.866i, -0.5 - 0.866i
Answer:
a = -4
Step-by-step explanation:
To solve for 'a', isolate 'a'.
a - 15 = 4a - 3
Subtract '4a' from both sides,
a - 4a -15 = -3
Combine like terms,
-3a - 15 = -3
Add 15 to both sides,
-3a = -3 + 15
-3a = 12
Divide both sides by (-3),
a = 12 ÷ (-3)
Take the total cost and subtract the registration fee.
56.25-12.5=$43.75
The remainder is what was spent on swim classes so divide by the cost of the swim classes.
$43.75/8.75=5 swim classes
Answer:
B. -7 + 8n
Step-by-step explanation:
-3.5(2 + -3n) + -2.5n = 0
(2 * -3.5 + -3n * -3.5) + -2.5n = 0
(-7 + 10.5n) + -2.5n = 0
0.5n + -2.5n = 8n
-7 + 8n