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pogonyaev
3 years ago
14

You randomly select one card from a 52-card deck. Find the probability of selecting a two or a jack.

Mathematics
1 answer:
Margarita [4]3 years ago
4 0

4 twos and 4 Jack's 4+4=8. 8/52=4/26=2/13

2/13 is the simplest form

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How much would you need to deposit in an account now in order to have $4000 in the account in 10 years? Assume the account earns
gogolik [260]

Answer:

  $2355.06

Step-by-step explanation:

Use the compound interest formula, filling in the numbers you know. Then solve for the number you don't know.

  A = P(1 +r/n)^(nt)

where A is the account balance, P is the amount invested, r is the annual rate, n is the number of times per year interest is compounded, and t is the number of years.

Filling in the given values, we have ...

  4000 = P(1 +.053/52)^(52·10) = P(1.6984738)

  P = 4000/1.6984738 ≈ 2355.06

You would need to deposit $2355.06 in order to have $4000 in 10 years.

5 0
3 years ago
H e l p Me P l e a s e
krok68 [10]

The theorical probability is 1/4, because there are 4 possible outcome, and they are equally likely to be picked (the sectors have the same area)

The experimental probability is 3/20, becuase the red sector was picked 3 times in 20 trials.

5 0
3 years ago
Read 2 more answers
Functions f(x) and g(x) are shown below:
kondor19780726 [428]
We look for the minimum of each function.
 For f (x) = 3x2 + 12x + 16:
 We derive the function:
 f '(x) = 6x + 12
 We match zero:
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 We clear the value of x:
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 x = -2
 We substitute the value of x in the equation:
 f (-2) = 3 * (- 2) ^ 2 + 12 * (- 2) + 16
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 For g (x) = 2sin(x-pi):
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 y = -2
 Answer:
 
A function that has the smallest minimum y-value is:
 
y = -2
4 0
3 years ago
Triangle ABC has angle measures as shown below. Using the information in the
iren [92.7K]
35 + 52 + 3(x + 2) = 180
87 + 3x + 6 = 180 ( add the like terms and use distributive property)
93 + 3x = 180
-93 -93
3x = 87
÷3 ÷3
x = 29
( the sum of all triangle angles is 180)
4 0
2 years ago
Read 2 more answers
Economics
xxTIMURxx [149]
False because it’s natural so it’ll just come back
3 0
3 years ago
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