Well u do 31.2 x 18 which is 561.6 then u divide by 2 because the formula for a triangle is base x height divided by 2 so It is 280.8
1/2 of 2 means you're taking a half of 2. Which 1.
Its simple all you have to do is multiply because if the cost per gallon is $2.50 and you have a total of 4,310 then you just multiply 4,310*$2.50 and it equals $10775 hope it helps :))
F(x) = (√ x +6) +8
f(x-1) = (√ x-1 +6) -8
=(√x+5) -8
Answer:
15 grams .
Step-by-step explanation:
We need to multiply the percentage as a decimal (0.30) with the amount of chocolate (50 g):
0.30*50 = 15 g
There are 15 grams of cocoa in the chocolate bar.