Answer:
see below
Step-by-step explanation:
1st: x
2nd: 5x + 8
x(5x + 8) = 36
5x² + 8x = 36
5x² + 8x - 36 = 0
(x - 2)(5x + 18) = 0
(x - 2) = 0
x - 2 = 0
x = 2
1st: x = 2
2nd: 5x + 8 = 5(2) + 8 = 18
(5x + 18) = 0
5x + 18 = 0
5x = -18
x = -3.6
1st: x = -3.6
2nd: 5x + 8 = 5(-3.6) + 8 = -18 + 8 = -10
$14.58
-$0.17
$14.41
÷6
2.4016666667
$2.40 per cone (rounded by cent)
Answer:
b
Step-by-step explanation:
m would be half of 62 and 62 divided by 2 equals 31 which is b
Answer:
8.) Not a function
9.) Is a function
Step-by-step explanation:
In order for a set of coordinates to be a function, the y cannot be repeated.
In number 8, there is (3,1) and (9,1)
<em>Not a function</em>
In number 9, each coordinate is unique and doesn't repeat the y.
<em>Is a function</em>
Answer:
20
Step-by-step explanation:
Let Bonnie's age = b.
Clyde's age is 8 year more than Bonnie's age, so Clyde's age is
3b + 8
The product of the ages is 80, so
b(3b + 8) = 80
3b^2 + 8b = 80
3b^2 + 8b - 80 = 0
(3b + 20)(b - 4) = 0
3b + 20 = 0 or b - 4 = 0
3b = -20 or b = 4
b = -20/3 or b = 4
Discard the negative answer since an age is not a negative number.
Bonnie's age is 4.
Clyde's age is 3 * 4 + 8 = 12 + 8 = 20.
Answer: Clyde's age is 20.
