3 x^{2} + 8x +(-4) = 0
x = <u>-b + √ b² - 4ac</u>
2a
x = <u>-8 + √ 8² - 4(3)(-4)</u>
2(3)
x = <u>-8 + √64 - 48 </u>
6
x = -<u>8 + √16
</u> 6<u>
</u>x = -<u>8 + 4 </u> x = <u>-8 - 4</u>
6 6<u>
</u>x = <u>-4 </u> x = <u>-12</u>
6 6
x =<u> -2 </u> x = -2<u>
</u> 3 <u>
</u>
Answer:
11 - exponential, 12-linear, 13 exponential, 14 exponential
Step-by-step explanation:
So first you want to do the cost of each foot times the number of feet 112 * $1.59 = $178.08
Then do the subtraction $200.00 - $178.08 = $21.92
Therefore, the answer is C
Hello there! Provided the information, we know that the nearest multiple of 8 and 9 has to be greater than 50. 8 and 9 do not go into 50.
$9 • 6 hours = $54
$8 • 7 hours = $56
There are 60 minutes in an hour, so we can multiply accordingly:
60 minutes • 6 hours = 360 minutes
60 minutes • 7 hours = 420 minutes
Your final answers are:
It will take John 360 minutes to earn $50.
It will take Amber 420 minutes to earn $50.
(P.S. It takes Amber one more hour to earn $50 than it does for John to earn $50.)
Hope this helps!
Answer:
A
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°, thus
x = 180° - (52 + 32)° = 180° - 84° = 96°
The external angle of a triangle is equal to the sum of the 2 opposite interior angles.
y is an exterior angle of the triangle, thus
y = 52° + 32° = 84°
z = 180° - (55 + 84)° = 180° - 139° = 41°
In conclusion
x = 96°, y = 84° and z = 41°
