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shusha [124]
3 years ago
9

you draw two cards from a well-shuffled deck of 52 cards. After you draw the first card, you do not replace it in the deck. What

is the probability of P(get ace of spades on first draw and get queen of hearts second draw?
Mathematics
1 answer:
Nuetrik [128]3 years ago
6 0
52 total cards...
P(ace of spades on first draw) = 1/52
without replacing
P(queen of hearts) = 1/51

P(both events happening) = 1/52 * 1/51 = 1/2652 <==
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What is 9x-7y=-7 in slope intercept form?
Novay_Z [31]
Slope intercept form is y = mx + b

So if you start with 9x - 7y = -7, the first thing you need to do is move the 9x to the other side of the equation by subtracting it from both sides.
       9x - 7y =      -7
       -9x          -9x

Now you have -7y = -9x -7

For the equation to be in slope intercept form now you should divide every term by the number in front of your y.  In this case divide every term by -7
    -<u>7y</u> =  <u>-9x</u>  <u>-7</u>
      -7      -7   -7

That leaves you with: y = 9x/7 + 1


4 0
3 years ago
A
KATRIN_1 [288]

Answer:

D. Zacpszcap. is probably the answer

7 0
3 years ago
Answer PLEASE (NO LINKS)
uranmaximum [27]

Answer:

The second answer. If I got it wrong tried my best

Step-by-step explanation:

brainliest

4 0
2 years ago
Help plz i need help PLZ I HAVE A MATH TEST :(((((((((((
Naddik [55]

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يعني هوو كمان مستطيل ١٤×٤=٥٦

٥٦+١٢=٦٨

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3 0
3 years ago
Read 2 more answers
Sophia determined that the expression Negative (4 x minus 5) + 2 (x minus 3) is equivalent to –2x – 5 by using the steps below.
CaHeK987 [17]

Answer:Hope This Helps ☺️

Step-by-step explanation:

She is not correct because she did not substitute the same number in both expressions in Step 1

Step-by-step explanation:

CASE 1: substitute 1 for x to both sides of the equations

L.H.S

-(4x-5)+2(x-3)

-(4 (1) - 5)+ 2(1-3) = - (-1) + 2(-2) = 1 - 4 = -3

R.H.S

-2x - 5

-2(1) - 5 = -2-5 = -7

Hence for x= 1

-(4x-5)+2(x-3) ≠ -2x -5

Because -3 ≠ -7

CASE 2: substitute -1 for x to both sides of the equations

L.H.S

-(4x-5)+2(x-3)

-(4 (-1) - 5)+ 2(-1-3) = - (-9) + 2(-4) = 9 - 8 = 1

R.H.S

-2x - 5

-2(-1) - 5 = 2-5 = -3

Hence for x= -1

-(4x-5)+2(x-3) ≠ -2x -5

Because 1 ≠ -3

Answer:

She is not correct because she did not substitute the same number in both expressions in Step 1

3 0
3 years ago
Read 2 more answers
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