The data represent the number of phone calls received over a 70day period.Day 1 2 3 4 5 6 7
Calls Received 5 2 9 8 3 1 0

What is the mean number of phone calls received?

Answers

Answer 1
Answer: Are you talking about 7-day period instead? Or is that really 70? 

Anyway, the mean number of phone calls received over the period of time given would be 4 calls. I got to this answer through adding all of the calls and dividing them by the number of days. 

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Nathan had an infection, and his doctor wanted him to take penicillin. Because Nathan’s father and paternal grandfather were allergic to penicillin, Nathan has a 75% chance of having the same allergy. The doctor performed a skin test to see whether Nathan would react to it. The test is 98% accurate. What is the probability that Nathan is not allergic to penicillin and the test predicts it?0.0050.0150.2450.735
Please make sure you answer with all the steps Thanks you so much :)

Marcus has 731 books he puts about the same number of books each of nine shelves in a bookcase about how many books are on each shelf

Answers

Answer:

81 books

Step-by-step explanation:

If you divide 731 into 9 you'll get 81.2

so that means you have 2 books left over that wont be on the shelf

so you'll have to round to 81

The graph of the linear equation 3x + 5y
= 15 cuts the x-axis at the point ________.​

Answers

Answer:

(0,5)

Step-by-step explanation:

3x-5y=15

Plug in 0 for y, because we are trying to find the value of x, when y is 0

so, 3x-5(0)=15

3x=15     Divide both sides by 3

x=5

so the answer in coordinate form is (0,5)

Which of the following best describes a cone?A. A three-dimensional solid made from two parallel and congruent discs not in the same plane and all the points between them
B. A three-dimensional solid made from a pile of similar two-dimensional circles that grow smaller as the solid gets taller until it reaches a point at the vertex
C. A three-dimensional solid consisting of a base, a point not in the same plane as the base, and all the points between them
D. A three-dimensional solid consisting of two parallel congruent polygons and all the points between them

Answers

A cone is best described in the point:

B. A three-dimensional solid made from a pile of similar two-dimensional circles that grow smaller as the solid gets taller until it reaches a point at the vertex.

What are three-dimensional figures?

Three-dimensionalfigures are solid shapes, having three dimensions: length, width, and height.

Some examples of three-dimensionalfigures are cube, cuboid, cone, and cylinder.

How do we solve the given question?

We will discuss the description of all the figures given to us, try to know which figure is the description about, and then will tell what is the description of a cone.

A. A three-dimensional solid made from two parallel and congruent discs not in the same plane and all the points between them.

- The description is of a cylinder. A cylinder has both its end as two parallel and congruent discs, which are not on the same plane and include all the points between the discs.

B. A three-dimensional solid made from a pile of similar two-dimensional circles that grow smaller as the solid gets taller until it reaches a point at the vertex.

- The description is of a cone. A cone has a circular base, which grows smaller and smaller to a point.

C. A three-dimensional solid consisting of a base, a point not in the same plane as the base, and all the points between them.

- The description is of a pyramid. A pyramid can have any base, that grows smaller and smaller to a point.

D. A three-dimensional solid consisting of two parallel congruent polygons and all the points between them.

- The description is of a prism. On either end of a prism are two polygonal forms that can be any shape with three or more sides.

∴ A cone is best described in the point:

B. A three-dimensional solid made from a pile of similar two-dimensional circles that grow smaller as the solid gets taller until it reaches a point at the vertex.

Learn more about three-dimensionalfigures at

brainly.com/question/326906

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Option B: A three-dimensional solid made from a pile of similar two-dimensional circles that grow smaller as the solid gets taller until it reaches a point at the vertex

The A is a cylinder, the D es pyramid, and I cannot figure out what the C is.

An earthquake with a rating of 7.6 isknown to be a great earthquake that can
cause damage that extends several
hundred kilometers.
Math

Answers

Mathematically, the rating of an earthquake typically refers to its magnitude on the Richter scale.

The Richter scale is a logarithmic scale that measures the amplitude of seismic waves produced by an earthquake. Each increase of one unit on the Richter scale represents a tenfold increase in the amplitude of the seismic waves and approximately 31.6 times more energy released.

A rating of 7.6 on the Richter scale indicates a significant and powerful earthquake. It is considered a "great" earthquake and can cause widespread damage over an extensive area. The extent of the damage can depend on various factors, including the depth of the earthquake, the distance from populated areas, and the local building infrastructure.

It's important to note that while the magnitude of an earthquake provides a measure of its energy release, it doesn't directly indicate the extent of the damage or the specific geographical area affected. The effects of an earthquake can vary depending on factors such as local geology, distance from the epicenter, and the population density of the area.

Mathematically, the Richter scale provides a standardized way to quantify and compare the magnitude of earthquakes, aiding in the understanding and analysis of seismic events.

To know more about Richter scale. here

brainly.com/question/24037139

#SPJ2

Answer:

39,810,717.06

Step-by-step explanation:

Question:

What is the value of x when the richter scale rating is 7.6? Round your answer to the nearest hundreth.

For the right triangle shown, which expression represents the length of CA? a. 5cos(25°)
b. 5tan(25°)
c. 5/sin(25°)
d. sin(25°)/5

Answers

Answer:

  b. 5tan(25°)

Step-by-step explanation:

The tangent function gives the ratio between the side opposite and the side adjacent to the angle. That is ...

  tan(25°) = ?/5

Multiplying by 5 solves the equation:

  ? = 5·tan(25°)

Answer:

B

Step-by-step explanation:

I did it one usatestprep

What is 27 minus 3.204 minus 10.8

Answers

   27
- 3.204
  10.8
----------

12.996 ?

multiply all by 1,000 to get rid of decimals then add move decimal three places left = 12.996 or

  27.000
-   3.204
=23.796
-10.8
=12.996