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mash [69]
2 years ago
7

-4a = -2n + 2p, for a

Mathematics
1 answer:
Elena-2011 [213]2 years ago
5 0

Answer:

the value of a is n+p/2......…...

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A magician showed a magic trick where he picked one card from a standard deck. Determined what the probability is that the card
8_murik_8 [283]

Answer:

7 / 13

Step-by-step explanation:

The number of cards in a standard deck = 52

Number of red cards in a deck = 26

Number of queens in a deck = 4

Selecting a card at random ;

Probability of picking a red card ;

P(red card) = number of red cards / number of cards in deck

P(red card) = 26 / 52

P(queens card) = number of queens / number of cards in deck

P(queens card) = 4 / 52

Number of red queen cards = (red n queen) = 2

P(red or queens card) = P(red) + P(queens) - P(red n queen)

P(red or queens card) = 26/52 + 4/52 - 2/52

= (26 + 4 - 2) / 52

= 28 /52

= 7 / 13

5 0
2 years ago
Assume that the growth rate of a population of ants is proportional to the size of the population at each instant of time. Suppo
Nutka1998 [239]
(1/A)  dA/dt=  C where A is the population of ants and C is a constant
ln(A) = C*t + C1 where C1 is another constant that comes out of integration and t is time in days.
Plugging in: at t=0, A= 100 so C1 = ln(100) = 4.605
at t=3, A=230 so ln(230) = 3*C +4.605 so C = 0.278
Final equation:
ln(A) = 0.278t + 4.605
or:
A = exp(0.278t + 4.605)
After 14 days, A = exp(0.278*14 + 4.605) = 4875.2
7 0
3 years ago
Which table of ordered pairs matches the following function?<br><br> y=-1/2x - 1
abruzzese [7]

Answer:

second one

Step-by-step explanation:

3 0
2 years ago
chase bought a large bag of dog food for his dog. The bag contains 20 1/4 pounds and max eats 3/4 pound each day. how many days
inna [77]

Answer:

27 days

Step-by-step explanation:

20 \frac{1}{4} ÷ \frac{3}{4} = 27

7 0
3 years ago
Alguien me puede explicar los binomios en matematica, porfavor :)
Keith_Richards [23]

Answer: SEE EXPLANATION (en ingles)

Step-by-step explanation:

A binomial is an algebraic expression of the sum or the difference of two terms.  

En espanol: Un binomio es una expresión algebraica de la suma o la diferencia de dos términos.

7 0
3 years ago
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