3 years ago

You draw two cards at random from a standard deck. What is the probability of drawing at least one diamond?

1 answer:

7 0

Well there are 52 cards in a deck. There are 13 of each kind of card. So 13/52 are diamonds

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lianna [129]

Step-by-step explanation:

Let the complex numbers be $a+ib\textrm{ and }c+id$ .

Given, sum is $10i$ , difference is $-4$ and product is $-29$ .

$(a+c)+i(b+d)=10i$ ⇒ $a+c=0,b+d=10$

$(a-c)+i(b-d)=-4$ ⇒ $a-c=-4,b-d=0$

$a=-2,c=2,b=5,d=5$

$(a+ib)(c+id)=(-2+5i)(2+5i)=-4-25=-29$

Hence, all three equations are consistent yielding the complex numbers $-2+5i\textrm{ and }2+5i$ .

8 0

3 years ago

elena-14-01-66 [18.8K]

The correct is 283 maybe

8 0

4 years ago

DENIUS [597]

Answer:123,000

Step-by-step explanation:

8 0

3 years ago

Naya [18.7K]

X=1/21 that the answer

8 0

3 years ago

solong [7]

Answer:

B. $\frac{1}{64}$

in decimal form, it would be 0.015625

5 0

2 years ago