Answer:
20.4
96
Step-by-step explanation:
The value of 5x² - 11x + 18 is
5(2.4)²-11(2.4) +18 = 5(5.76) -26.4+18
= 28.8 -26.4+18 = 20.4 (when x = 2.4)
and 5(-3)² -11(-3) +18 = 45+33+18 = 96
(when x = -3)
Answer: 2592
Step-by-step explanation:
Product means to multiple.
Since product means to multiple, we multiple 54 x 48 to get 2592
Answer:
4.03 Seconds
Step-by-step explanation:
12.09 divided by 3 laps
Answer:
$20
Step-by-step explanation:
First we will change the ratio so that we are finding how much money Siti receives to the total amount of money.

Now we can solve for how much money Siti receives using a proportion.

We can see that the denominator increases 5 times, so the numerator must increase 5 times too. This means Siti receives $20.
Answer:
125.6 cm²
Step-by-step explanation:
the area of sector = 225/360×3.14×8²
= ⅝ × 3.14 × 64
= 3.14 × 40
= 125.6 cm²