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NeX [460]
3 years ago
11

What is the probability of picking an ace of spades in a deck of cards (That has 52 cards in it) write your answer as a fraction

Mathematics
2 answers:
DiKsa [7]3 years ago
4 0
Well how many ace of spades are in the deck of cards?
Jet001 [13]3 years ago
3 0

The answer to the problem is 4 over 52

4/52




dbhfdbhfbdshbdhabhdsbajhbjdfajbhfa

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What is the cost of 1.25kg of cheese at $16 per kilogram?
Svetradugi [14.3K]

Answer:

$20

Step-by-step explanation:

1.25 x $16 = $20

multiply the weight by the price per weight unit (kg).

7 0
3 years ago
Read 2 more answers
According to a human modeling​ project, the distribution of foot lengths of women is approximately Normal with a mean of 23.4 ce
stiv31 [10]

Answer: 22.0.6%

Step-by-step explanation:

Given : According to a human modeling​ project, the distribution of foot lengths of women is approximately Normal with \mu=23.3\ cm and \sigma=1.3\ cm.

In the United​ States, a​ woman's shoe size of 6 fits feet that are 22.4 centimeters long.

Then, the probability that women in the United States will wear a size 6 or​ smaller :-

P(x\leq22.4)=P(z\leq\dfrac{22.4-23.4}{1.3})\ \ [\because z=\dfrac{x-\mu}{\sigma}]\\\\\approx P(z\leq-0.77)\\\\=1-P(z\leq0.77)\\\\=1-0.77935=0.2206499\approx0.2206=22.06\%

Hence,  the required answer = 22.0.6%

4 0
3 years ago
If m∠A =91° and m∠B = 40°, find m∠1.<br> A) 89° <br> B) 122° <br> C) 131° <br> D) 140°
Yanka [14]

Answer: is that a high school math it looks hard to me

Step-by-step explanation??

6 0
3 years ago
Do midpoint riemann sums get more accurate with more rectangle.
LUCKY_DIMON [66]

Answer:

Yes

Step-by-step explanation:

They get more accurate as they have more data, the more data the more accurate it would be.

7 0
2 years ago
3.
sergey [27]

Answer:

His money earned $36 after 3 months

Step-by-step explanation:

* Lets revise the rules of simple interest

- Simple Interest Equation (Principal + Interest)

 A = P(1 + rt)

- Where:

• A = Total amount (principal + interest)  future amount

• P = Principal Amount

• I = Interest Amount

• r = Rate of Interest per year in decimal; r = R/100

• t = Time Period involved  

* To calculate the interest I use the formula

  I = P × r × t

* Lets solve the problem

- The rate is annual

- The interest calculated after 3 months

∴ I = P × R/100 × t/12

∵ P = $3600.00

∵ R = 4%

∵ t = 3 month

∴ I = 3600.00 × 4/100 × 3/12 = $36

* His money earned $36 after 3 months

5 0
3 years ago
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