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Vikki [24]
3 years ago
11

You are dealt two cards successively (without replacement) from a shuffled deck of 52 playing cards. Find the probability that b

oth cards are black.
Mathematics
1 answer:
Ivahew [28]3 years ago
6 0

Answer:

\frac{25}{102}

Step-by-step explanation:

"AND" means Multiplication, and

"OR" means Addition (in probability)

We want Both cards to be black, that means 1st card black "AND" 2nd card black. So we find individual probabilities and MULTIPLY.

There are 26 black cards from 52 total cards in a normal deck.

P(1st card black) = 26/52 = 1/2

Now, since we HAVEN'T REPLACED, there are now 25 black cards out of 51 total cards. So

P(2nd card black) = 25/51

Now we multiply:

P(both black) = \frac{1}{2}*\frac{25}{51}=\frac{25}{102}

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Find the value of c that completes the square.<br> n2- 26n + c
saul85 [17]

Step-by-step explanation:

b^2=4ac

b= -26, a=1, c=?

-26^2=4*1*c

676=4c

c=676/4

c=169

4 0
3 years ago
The Naturally Made Bath and Body store pays $550 a month for rent and utilities. The average cost for its products to be manufac
skelet666 [1.2K]
To determine the equation to represent this situation, we can use 2.5x to show the amount of profit per product, and a y intercept value of -550 to show the cost for rent. Now, we have the equation y=2.5x-550.

The break even point is when the profits balance out the expenses, so in this case, y should equal 0.

0=2.5x-550

Add 550 to both sides...

550=2.5x

Divide both sides by 2.5...

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So, our answer is 220 products.
3 0
3 years ago
Read 2 more answers
Suppose that the function g is defined, for all real numbers, as follows.
svetoff [14.1K]

Answer:

<em>a) g(-2) = 0</em>

<em>b) g(-1) =1</em>

<em>c) g(4) = 2</em>

Step-by-step explanation:

Given data

g(x) = \frac{-1}{4x+1} if x < -2

g(x) = - (x+1)^{2} +1  if -2\leq x\leq 2

g(x) = 2 if x >2

<u><em>Step( i )</em></u>:-

g(x) = - (x+1)^{2} +1  if -2\leq x\leq 2

put x = -2

g(-2) = -(-2+1)^{2} +1 = -(-1)^{2}+1 = -1+1 =0

<em>g(-2) = 0</em>

<u><em>Step(ii)</em></u>:-

g(x) = - (x+1)^{2} +1  if -2\leq x\leq 2

Put x = -1

g(-1) = -(-1+1)^{2} +1 = -(0)^{2}+1 = -0+1 =1

<em>g(-1) =1</em>

<u><em>Step(iii)</em></u>:-

g(x) = 2 if x >2

<em>g(4) = 2</em>

<em></em>

7 0
3 years ago
WIL GIVE BRAINLIEST IF CORRECT PLEASE HURRY
zmey [24]

Answer:

D

Step-by-step explanation:

6 0
2 years ago
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A hole is poked in a balloon so that every minute the balloon loses 3/10ft 3 of air. What is the total change in the number of c
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5/9 minutes

amount lost=times times amout lost per unit of time
amount lost=5/9 times 3/10
amount lost=15/90
amount lost=5/30
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answer is 1/6 ft³ of air
6 0
3 years ago
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