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NeX [460]
3 years ago
12

Which of the following is the probabilty against drawing a heart from a standard deck of 52 cards?

Mathematics
1 answer:
nevsk [136]3 years ago
3 0
 <span>p = 39/52 = 3/4 = 0.75
</span>
13 cards each of 4 different suits
if you draw a card, there are 39 cards that
are not hearts out of 52 all together.
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PLZ HELP! <br><br> Add.<br><br> −16 + (−29) + 49 = <br><br><br> 4<br><br> 62<br><br> 94
Alexus [3.1K]

Answer:

4 is the answer

Step-by-step explanation:

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2 years ago
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Passing through (2, - 2) and perpendicular to the line whose equation is y= 5x+2
jonny [76]

Step-by-step explanation:

Hey there!!!

Here,

Given, A line passes through point (2,-2) and is perpendicular to the y= 5x+2.

The equation of a straight line passing through point is,

(y - y1) = m1(x - x1)

Now, put all values.

(y  + 2) = m1(x - 2)

It is the 1st equation.

Another equation is;

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m2=5

As per the condition of perpendicular lines,

m1×m2= -1

m1 × 5 = -1

Therefore, m2= -1/5.

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(y + 2) =  \frac{ - 1}{5} (x - 2)

Simplify them.

5(y + 2) =  - x + 2

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x + 5y + 8 = 0

Therefore the required equation is x+5y+8= 0.

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7 0
3 years ago
To start, you have $63.75. You earn additional money babysitting. Then you purchase a new pair of shoes for $109.99. You now hav
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Answer:

Step-by-step explanation:

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2 years ago
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Answer:

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Step-by-step explanation:

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6. Let A and B be nxn matrices . Compute (A + B) (A + B). Explain all steps.
Pie

Answer:

(A+B)(A+B)=A.A+B.A+A.B+B.B

Step-by-step explanation:

Given that matrices A and B are nxn matrices

We need to find (A+B)(A+B)

For understanding the multiplication of matrices let'take A is mxn and B is pxq matrices,we can multiple only when n=p,so our Ab matrices will be mxq.

We know that that in matrices AB is not equal to BA.

Now find  

(A+B)(A+B)=A.A+B.A+A.B+B.B

So from we can say that (A+B)(A+B) is not equal to A.A+2B.A+B.B because AB is not equal to BA in matrices.

So (A+B)(A+B)=A.A+B.A+A.B+B.B

4 0
2 years ago
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