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Murljashka [212]
3 years ago
9

A grocery store orders 47 bags of onins and 162 bags of potatoes. The onions cost 2 per bag , and potatoes cost 3 per bag How mu

ch is spent on onions and potatoes
Mathematics
1 answer:
Alina [70]3 years ago
7 0

Answer:

580 is spent on onions and potatoes

Step-by-step explanation:

The grocery store ordered 47 bags of onions, and 1 bag costs 2.

It also ordered 167 bags of potatoes, and the bag costs 3.

47 bags onions X 2 render 94

162 bags potatoes X 3 render 486

94 (cost of onions) + 486 (cost of potatoes) = 580

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The track pine middle school is 1/3 of a mile for each lap. mathew walked around the track and completed 9 laps in one hour. how
Nina [5.8K]
He walked 3 miles in an hour. He would have to also walk 9 laps in 45 minutes to walk the same amount. Not sure what your question is?
7 0
3 years ago
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 <u>0.2272</u>.

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 <u>0.2272</u>.

Learn more about Poisson Distribution at

brainly.com/question/7879375

#SPJ4

7 0
2 years ago
Find the equation of the line through the points (−2,5) and (4,9).
3241004551 [841]

9514 1404 393

Answer:

  2x -3y = -19

Step-by-step explanation:

Taking the differences between the given points, we have ...

  (Δx, Δy) = (4, 9) -(-2, 5) = (6, 4)

The equation of the line can be written ...

  Δy·x -Δx·y = Δy·(x1) -Δx·(y1) . . . . . for point (x1, y1) on the line

  4x -6y = 4(-2) -6(5) = -38

Dividing by 2 gives the standard form equation ...

  2x -3y = -19

_____

<em>Additional comment</em>

The original equation 4x-6y=-38 satisfies the requirements of this problem. However, "standard form" requires the numbers in the equation be mutually prime (in addition to the problem requirements). That is, they must have no common factors. Hence, we must remove the common factor of 2 in order to have true "standard form."

8 0
2 years ago
As a town gets​ smaller, the population of its high school decreases by 4% each year. The senior class has 320 students now. In
Mice21 [21]

Answer:

  • c(n) = 320·0.96^n
  • 28 years

Step-by-step explanation:

Each year, the class size is multiplied by 1 - 4% = 96% = 0.96. After n years, it has been multiplied by that number n times. Repeated multiplication is signified using an exponent.

Class size (c) can be modeled by ...

  c(n) = 320·0.96^n

__

You want to find n such that c(n) = 100. Put in that value and solve.

  100 = 320·0.96^n

  100/320 = 0.96^n . . . . . . . divide by 320

  log(100/320) = n·log(0.96) . . . . . . . take logs

  log(100/320)/log(0.96) = n ≈ 28.4932

In about 28 years, the class will have 100 students.

8 0
3 years ago
6x + 2x - 18 = 0<br>What are the values of<br>a<br>b<br>c​
GuDViN [60]

Answer:

A. 6

B. 2

C. 18

Step-by-step explanation:

3 0
3 years ago
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