Answer:
2 and 1
Step-by-step explanation:
1 + 2 = 3
(1*1) + (2*2) = 5
Step-by-step explanation:
7 (-12) = -84
it's literally -84
28x + 44y = 964.40
21x + 33y = 723.30
Let's multiply the first equation by 4 and the second by -4
84x + 176y = 3857.6
-84x - 132y = -2893.2
Add the equations together.
0 + 44y = 964.4
Simplify
44y = 964.4
Divide both sides by 44
y = 964.4/44
Since we have the value of y, let's plug 964.4/44 into y for the first equation.
28x + 44(964.4/44) = 964.40
Simplify the left side
28x + 964.4 = 964.4
Subtract 964.4 from both sides
28x = 0
Divide both sides by 0
x = 0
In conclusion,
y = 964.4/44
x = 0
Answer:
(C) The probability of buying bread and cheese is 0.12
Step-by-step explanation:
P(Event A) = 0.6
P(Event B) = 0.2
If Event A and Event B are independent,
Then P(Event A and Event B) = 0.6 x 0.2 = 0.12
<span><span>A = P(1-r)^t
</span><span>
A = 3900(1-0.08)^10
A = 3900(0.92)^10 </span></span><span><span>
A = 3900(0.434388454)
A = 1694.11
1694 square km</span></span>
