How do you divide 56$ in a ratio of 5:3? What would be the answer?

1 answer:

8 0

Sum the ratio:

s = 5 + 3 = 8

to get the first amount:

a1 = (3/8) * 56 = 21 $

a2 = (5/8) * 56 = 35 $

Check:

total = 21 + 35 = 56 $ ( as given)

ratio = 35/21 = 5/3 (as required)

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Liula [17]

Answer:

c and d

Step-by-step explanation:

3 0

3 years ago

Based on meteorological records, the probability that it will snow in a certain town on january 1st is 0.263. find the probabil

Kay [80]

Probability that it will snow = 0.263
$\frac{263}{1000}$
$1000 - 263 = 737$
Probability that it will not snow =
$\frac{737}{1000}$
Answer is 737/1000

Hope this helps. - M

3 0

3 years ago

A gambler has a fair coin and a two-headed coin in his pocket. He selects one of the coins at random. (a) When he flips the coin

Aleks04 [339]

Answer:

a) probability of choosing heads= 1/2 (50%)

b) probability of choosing the fair coin knowing that it showed heads is= 1/3 (33.33%)

Step-by-step explanation:

Since the unfair coin can have 2 heads or 2 tails , and assuming both are equally possible . then

probability of choosing the fair coin (named A)= 1/2

probability of choosing an unfair coin with 2 heads (named B)= (1-1/2)*1/2= 1/4

probability of choosing an unfair coin with 2 tails (named C)= (1-1/2)*(1-1/2)= 1/4

then

probability of choosing heads= probability of choosing A * probability of getting heads from A + probability of choosing B * probability of getting heads from B + probability of choosing C * probability of getting heads from C =

1/2*1/2 + 1/4*1 + 1/4*0 = 2/4 = 1/2

the probability of choosing the fair coin knowing that it showed heads is

P(A/B) = P(A∩B)/P(B)

denoting event A= the coin is fair and event B= the result is heads

P(A∩B) = 1/2*1/2 = 1/4

but since we know now that that the unfair coin is not possible , the probability of choosing heads is altered:

P(B)=probability of choosing heads= probability of choosing A * probability of getting heads from A + probability of choosing B * probability of getting heads from B = 1/2*1/2+1/2*1 = 3/4

then

P(A/B) = P(A∩B)/P(B) = (1/4)/(3/4) = 1/3

then the probability is 1/3

8 0

3 years ago

Determine the amplitude, period, and phase shift of the function f(x)=cos (8(x-1))+2

SCORPION-xisa [38]

We have been given a function $f(x)=\text{cos}(8(x-1))+2$ . We are asked to find the amplitude, period and phase shift of the function