Starting weight: 5/6 lb. Of this, Jan used 1/5, which would be (1/5)(5/6) lb,
or 1/6 lb, leaving 4/6 lb, or 2/3 lb. unused.
2/3 lb
Now divide 2/3 lb by 8 portions: ----------------- = (2/24) lb/portion, or
8 portions
1/12 lb/portion.
I can't provide the answer. But...I can provide examples.
Hope these help!
https://www.mathstips.com/sales-tax-trade-tax/
The steps taken to find the √5 using the ancient method is;
5/G1 = 2.5
5/G2 = 2.222
5/G3 = 2.236
We want to find √5 with the ancient Babylonian method for calculating non-perfect squares;
We are told that G1 = 2
Thus;
5/G1 = 2.5
We are told to average 2.25 and G2 to get 2.236
This means that;
(2.25 + G2)/2 = 2.236
2.25 + G2 = 2 × 2.236
G2 = 4.472 - 2.25
G2 = 2.222
Second step is;
5/G2 = 2.222
Finally;
5/G3 = 2.236
Read more about finding non-perfect squares at; brainly.com/question/9165533
Solve the first for y
y=13x-90 and the second is y=x^2-x-42
When there is/are solutions y=y so we can say:
x^2-x-42=13x-90 subtract 13x from both sides
x^2-14x-42=-90 add 90 to both sides
x^2-14x+48=0 expand so that it is easy to factor...
x^2-6x-8x+48=0 now factor 1st and 2nd pair of terms
x(x-6)-8(x-6)=0
(x-8)(x-6)=0
So there are two solutions, when x=6 and 8.
Using either original equation we can find the corresponding values for y. I'll use y=13x-90 because it is easier...
y(6)=-12, y(8)=14 so the two solutions are the points:
(6,-12) and (8,14)
Answer:
4 secs
Step-by-step explanation:
Since they have to be synchronized, their parabolic equations must be equal to one another
3(t^2 + 9 - 6t) - (t^2 + 25 - 10t) - t + 2 = 0
2t^2 - 9t + 4
(2t - 1)(t - 4) = 0
t = 1/2, 4
From the options, the answer is 4