Answer:
8h
Step-by-step explanation:
Answer:
Trisha has two boxes of marbles than
to find probability
use formula
probability =no.of given marble/total no of marble
Answer:
$1.35
Step-by-step explanation:
Set up a system of equations, where d represents the price of one drink and s represents the price of one sandwich:
3d + 5s = 25.05
4d + 2s = 13.80
We can solve this by elimination by multiplying the top equation by -2 and multiplying the bottom equation by 5.
-6d - 10s = -50.1
20d + 10s = 69
Add them together:
14d = 18.9
d = 1.35
Answer:
<h2>
(2m-7)(m+3)</h2>
Step-by-step explanation:
hello:
2m² - m - 21
∆ =b²-4ac a=2 and b= -1 and c= -21
∆ =(-1)²-4(2)(-21)=169 = 13²
m1 = (-b+√∆)/2a = (1+13)4 = 14/4 = 7/2
m2 = (-b-√∆)/2a = (1-13)4 = -12/4 = -3
the factorization is : a(m-m1)(m-m2)
2(m-7/2)(m+3) = (2m-7)(m+3)
