Answer:
0.367
Step-by-step explanation:
i took the test and this is what i got x = 11/30 = 0.367
hope this helps you
(A)
we are given
(-1.15) x 3.2
Since, sign of 1.15 is negative
and sign of 3.2 is positive
so, we put negative sign in front

now, we can multiply them
and we get
.............Answer
(B)
Suppose, we are given product of two numbers 'a' and 'b'
so, we use this property
case-1: When both positive , then we put positive in front

case-2: When both negative , then we put positive in front

case-3: When first is negative and second is positive , then we put negative in front

case-4: When first is positive and second is negative , then we put negative in front

Answer:
YOU GOT THIS!!
Step-by-step explanation:
Answer:
8 kilos of it is gold, since 2/5 in decimal form is 0.40
12 kilos of it is copper.
Step-by-step explanation:
Multiply 20 times 0.40, you get 8, so 8 kilos of it is gold, while 12 kilos is copper.
T^T
-5(-2f-6)
distribute by multiplying -5 by everything inside the parenthesis
-5 * -2f = 10f
-5 *-6 = 30
so you get 10f+30