A card is selected at random from a deck of well shuffled cards. It is replaced and another card is selected. What is the probab
ility of selecting a red card and then a black card? 1/4 1/3 1/2 1/8
1 answer:
Answer:
1/4
Step-by-step explanation:
you count it as (good)/(possible)
so number of good situations is 26²
and there is 52² possible situations
so answer is 26²/52²=1/4
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50 / (3/7) =
50 * 7/3 =
350/3 =
116.66....so it would fill 116 glasses
Answer:
440
Step-by-step explanation:
this is the formula 2(wl+hl+hw)
Simplest method: elimination.
Subtract the first equation from the second one.
(2a+b=-33)-(a+b=-10) gets you to a=-23.
Now plug that in for a and solve.
-23 +b=-10
b=13
So, i did this,
7.8*10=70
and then add 12
i got 82
did this help??
Answer:
26
Step-by-step explanation:
Convert 40% to a decimal
40% = 0.4
Multiply 0.4 with 65
0.4 • 65 = 26
40% of 65 is 26
