I just need some quick help with this. Distributive properties aren't my best section.

1 answer:

4 0

In this case u can’t use the distributive property. U just multiple whats in the parenthesis (39•5)=195 and that’s ur answer.
Let’s say if the problem said 5(2+1) u can’t use the distributive property bc u have to do what’s in the parentheses first. 5(3)=15
But If u had a problem like 2(4x+6) then u can use the distributive property. This is bc u can’t add 4x+6 bc they aren’t like terms. So u multiple the 2 by 4x which is 8x and the 2 by 6 which is 12 then ur answer would be : 8x+12

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Three cards are drawn with replacement from a standard deck. what is the probability that the first card will be a diamond, the

Marina CMI [18]

there are 13 diamonds per deck

26 black cards

4 aces

so a 13/52 chance for a diamond

a 26/52, reduced to 1/2 chance for a black card

and a 4/52 chance for an ace

13/52 x 1/2 x 4/52 = 52/5408 = 1/104 probability

3 0

3 years ago