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3 years ago

Share £54 into the ratio 1:3

Mathematics

1 answer:

Marina86 [1]3 years ago

5 0

Answer:

£13.5

£40.5

Step-by-step explanation:

Let the amount of shares be x and 3x

Therefore,

$x + 3x = 54 \\ \\ 4x = 54 \\ \\ x = \frac{54}{4} \\ \\ x = 13.5 \\ \\ 3x = 3 \times 13.5 = 40.5$

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3 years ago

How do you answer this question 3/4b +10=20

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So it becomes
3/4b = 10
2) multiply everything by 4 to get rid of the denominator
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Which triangle is similar to △ABC if sin(A)=1/4, cos(A)=√15/4, and tan(A)=1/√15?

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Step-by-step explanation:

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4(4x−8)+4(3x−7)=7(2x+5)+6]\ I NEED HELP FAST!!!!

Deffense [45]

The answer you are looking for is $7\frac{101}{14}$ .

Explanation:

4(4x−8)+4(3x−7)=7(2x+5)+6

Step 1: Simplify both sides of the equation.

4(4x−8)+4(3x−7)=7(2x+5)+6

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28x−60=14x+41

Step 2: Subtract 14x from both sides.

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3 years ago

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A coffee shop owner wants to examine the number of customers who pass in front of his store in the morning from 7:00am to 7:30am

adelina 88 [10]

The probability that more than 210 people will pass in front of his store is 0.2272.

In the question, we are given that a coffee shop owner wants to examine the number of customers who pass in front of his store in the morning from 7:00 A.M to 7:30 A.M.

We are asked to find the probability that more than 210 people will pass in front of his store if the mean number of customers during this time is 210.

This experiment follows a Poisson Distribution with a mean (λ) = 200, and the random variable X = 210.

To find the probability that more than 210 people will pass in front of his store, we will find P(X > 200).

P(X > 200) = 1 - P(X ≤ 210).

Now, P(X ≤ 210) can be calculated using the function poissoncdf(200,210) on the calculator.

As to find the probability of a Poisson Distribution P(X ≤ x), for a mean = λ, we use the calculator function poissoncdf(λ,x).

The value of poissoncdf(200,210) = 0.77271.

Thus, the value of P(X > 210) = 1 - 0.77271 = 0.22729.

Thus, the probability that more than 210 people will pass in front of his store is 0.2272.

Learn more about Poisson Distribution at

brainly.com/question/7879375

#SPJ4

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