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kykrilka [37]
3 years ago
7

A standard deck of 52 playing cards contains 13 cards in each of four suits: diamonds, hearts, clubs, and spades. Two cards are

chosen from the deck at random. What is the approximate probability of choosing one club and one heart? 0.0588 0.0637 0.1176 0.1275
Mathematics
2 answers:
Maru [420]3 years ago
8 0

the right answer is 0.1275 just took the test

Lady_Fox [76]3 years ago
7 0

Answer:  Last option is correct.

Step-by-step explanation:

Since we have given that

Number of cards of clubs = 13

Number of cards of heart = 13

We need to take out 2 cards chosen from the deck that is one club and one heart.

Probability of choosing one club and one heart is given by

\frac{^{13}C_1\times ^{13}C_1}{^{52}C_2}\\\\=\frac{13\times 13\times 2\times 1}{52\times 51}\\\\=0.1275

Hence, Last option is correct.

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-3(2d)+ (-5e +6) + (3d-8) I'm standard form
Sati [7]

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−3d−5e−2

Step-by-step explanation:

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2 years ago
What is the total amount that Matthew's bank will receive after lending him $8,000 for four years at an interest rate of 6 perce
bija089 [108]

Answer:

Total amount that Matthew's bank will receive is $10099.81.

Step-by-step explanation:

We need to find the amount Matthew's bank will receive after lending him $8,000 for four years at an interest rate of 6 percent, compounded annually.

The formula for compound interest is:

A=P(1+r)^n

Where A = future value

P= Principal Amount

r = interest rate

and n= time

So in the question we are given:

P= $8000

r = 6% or 0.06

t = 4 (since 4 yeras compounded annually)

A= 8000*(1+0.06)^4

A= 8000*(1.06)^4

A= 10099.81

So, total amount that Matthew's bank will receive is $10099.81.

6 0
3 years ago
How could you use the Distributive Property to rewrite the expression −(8 + 12)?
guajiro [1.7K]

Answer:

-20

Step-by-step explanation:

-8-12=-20

8 0
3 years ago
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Which equations represent the line that is perpendicular to the line 5x − 2y = −6 and passes through the point (5, −4)? Select t
nignag [31]

For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

y = mx + b

Where:

m: It's the slope

b: It is the cut-off point with the y axis

On the other hand we have that if two lines are perpendicular, then the product of their slopes is -1. So:

m_ {1} * m_ {2} = - 1

The given line is:

5x-2y = -6\\-2y = -6-5x\\2y = 5x + 6\\y = \frac {5} {2} x + \frac {6} {2}\\y = \frac {5} {2} x + 3

So we have:

m_ {1} = \frac {5} {2}

We find m_ {2}:m_ {2} = \frac {-1} {\frac {5} {2}}\\m = - \frac {2} {5}

So, a line perpendicular to the one given is of the form:

y = - \frac {2} {5} x + b

We substitute the given point to find "b":

-4 = - \frac {2} {5} (5) + b\\-4 = -2 + b\\-4 + 2 = b\\b = -2

Finally we have:

y = - \frac {2} {5} x-2

In point-slope form we have:

y - (- 4) = - \frac {2} {5} (x-5)\\y + 4 = - \frac {2} {5} (x-5)

ANswer:

y = - \frac {2} {5} x-2\\y + 4 = - \frac {2} {5} (x-5)

3 0
3 years ago
Read 2 more answers
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