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3 years ago

What is the midpoint of a line segment at the origin (0,0) and its end points at (-5,-12)

Mathematics

1 answer:

natta225 [31]3 years ago

4 0

Answer:

(-2.5,-6)

Step-by-step explanation:

Divide each number by 2

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It is a reflection over the x-axis

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The waiting times between a subway departure schedule and the arrival of a passenger are uniformly distributed between 0 and 8 m

rusak2 [61]

Answer:

0.59375

Step-by-step explanation:

In a uniform distribution the probability that the time t is greater than any given value, X, is:

$P(t\geq X)=1-\frac{X}{b-a}$

In this problem, the limits of the distribution are a = 0 and b = 8 minutes.

For X =3.25 minutes:

$P(t\geq 3.25)=1-\frac{3.25}{8-0} \\P(t\geq 3.25)=0.59375$

The probability that a randomly selected passenger has a waiting time greater than 3.25 minutes is 0.59375.

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3 years ago

A customer is ordering brick pavers to cover a rectangular walkway that is 3 feet by 15 feet and a square sitting area

Darina [25.2K]

A customer should buy minimum 16 boxes of pavers.

In this question, a customer is ordering brick pavers to cover a rectangular walkway that is 3 feet by 15 feet and a square sitting area that is 6 feet on a side.

First we find the total area that will be covered by pavers.

Area of rectangle = length × width

Area of rectangle = 15 × 3

Area of rectangle = 45

And the area of square = side²

area of square = 6²

area of square = 36

So, the total area would be,

Total area = area of rectangle + area of square

Total area = 45 + 36

Total area = 81

So, the total area is 81 square feet.

one box of pavers covers 5.28 square feet.

So using unitary method,

81 / 5.28

= 15.534

≈ 16 boxes

This means, approximately 16 boxes will require to cover the above area.

Therefore, the customer should buy minimum 16 boxes of pavers.

Learn more about the Unitary method here:

brainly.com/question/22056199

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1 year ago

A caterer's total cost for catering a party includes a fixed cost, which is the same for every party. In addition the caterer ch

Rus_ich [418]

A caterer's total cost for catering a party includes a fixed cost, which is the same for every party. In addition the caterer charges a certain amount for each guest. If it costs $300 to serve 25 guests and $420 to serve 40 guests, find the cost per guest. Write a system of equations for the situation and solve using inverse matrices.

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2 years ago