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Nina [5.8K]
3 years ago
9

Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced before the second card is select

ed. Find the probability of selecting a six and then selecting a nine.
The probability of selecting a six and then selecting a nine is
(Round to three decimal places as needed.)
Mathematics
1 answer:
GalinKa [24]3 years ago
8 0

Answer:

0.006

Step-by-step explanation:

The probability that the first card is a six is 4/52.

There's one less card now, so the probability that the second card is nine is 4/51.

The total probability is:

P = (4/52) (4/51)

P ≈ 0.006

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Melissa decided to divide her $42,000 of savings into three investments: a savings account paying 5% simple interest, a time dep
Marat540 [252]

Answer:

Amount in savings account = $24,000

amount put into time deposit account = $11,000

amount put into bond account = $7,000

Step-by-step explanation:

Let x be amount put into savings account, y be amount put into time deposit account and z be amount put into bond account.

Thus;

0.05x + 0.07y + 0.09z = 2600 - - (eq1)

Also,

x + y + z = 42,000 - - - (eq2)

Now,we are told she invested 6000 more in the savings account than the other 2 combined. Thus;

x = 6000 + y + z

So,

x - y - z = 6000 - - - (eq3)

Solving the 3 equations simultaneously gives;

x = $24,000 ; y = $11,000 ; z = $7,000

5 0
3 years ago
There are four girls, and four apples in a basket. Each girl took one apple, however, there was still one apple left in the bask
andrew11 [14]

Answer:

One girl took the basket.

She took the last apple

while it was in the basket.

Step-by-step explanation:

6 0
3 years ago
ANSWER ASAP!!!!
antiseptic1488 [7]
Y= -x+4
2x+2(-x+4)=8
2x-2x+8=8
8=8

x+y= 4
2x+2y= 8

-2x-2y= -8
2x+2y= 8

0=0
the answer is b inconsistent
5 0
3 years ago
On a map, Maya uses a ruler to find the approximate distance between her town and Los Angeles. The distance on the map is 25 cm.
zlopas [31]

Answer:

Scale of the Map = 1 cm to 82 Km

Step-by-step explanation:

25cm is equivalent to 2050Km

Hence 1cm will be equivalent to 2050/25 = 82Km

7 0
3 years ago
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You bike 11.2 miles in 1.4 hours at a steady rate. What equation represents the proportional relationship between the x hour you
Elis [28]

Answer:

\frac{x}{y}=8

Step-by-step explanation:

Let the time for which i bike is = x hours

Let the distance traveled in x hours = y miles

Ratio of distance and time will be = x : y

I travel 11.2 miles in 1.4 hours then the ratio of time and the distance traveled will be 1.4 : 11.2 Or 14 : 112

then the ratio of distance and time will be same in both the cases

So equation will be

\frac{x}{y}=\frac{14}{112}

\frac{x}{y}=8

Therefore, equation representing the proportional relationship will be

\frac{x}{y}=8

5 0
3 years ago
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