1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
natima [27]
2 years ago
5

Ow many decimals numbers are there whose value equals the average of their digits?

Mathematics
1 answer:
kiruha [24]2 years ago
6 0

Answer:

Step-by-step explanation:

there are infinite numbers between 2 and 3 having average=2.5

2.49,2.51

2.48,2.52

2.47,2.53

2.46,2.54

.................

2.491,2.509

2.492,2.508

2.493,2.507

......................

You might be interested in
What is the equation of the following line (4 -3) (0 0)
Zepler [3.9K]
The answer is D

If you used the slope formula (y2-y1/x2-x1) you would get a slope of -3/4. 
7 0
3 years ago
Read 2 more answers
Question 8
lord [1]

Answer: (9, -2)

Step-by-step explanation:

Let's start with what makes a function even. A function is even if the graph of it is symmetric about the y-axis. What is really means is that if you were to fold your graph paper where the crease is on the y-axis, the graph should be the same on each side.

Now since g is an even function, it's correct for us to assume that it is symmetric about the y-axis. What this means is that we expect to find a value at the same point, except on the right side (because our coordinate is negative).

Our coordinate is (-9, -2). If we were to plot it, we'd see it would be in the 3rd quadrant, or the bottom left one. To be symmetrical on the right side, we know there is a point with the same coords in the 4th quadrant. To be on the right, our x coordinate would be positive, and our y coordinate will stay the same.

5 0
3 years ago
A square steel bar has a length of 5.1 ft and a 2.7 in by 2.7 in cross section and is subjected to axial tension. The final leng
Andrej [43]

Answer:

The Poisson's ratio for the material is 0.0134.

Step-by-step explanation:

The Poisson's ratio (\nu), no unit, is the ratio of transversal strain (\epsilon_{t}), in inches, to axial strain (\epsilon_{a}), in inches:

\nu = -\frac{\epsilon_{t}}{\epsilon_{a}} (1)

\epsilon_{a} = l_{a,f}-l_{a,o} (2)

\epsilon_{t} = l_{t,f}-l_{t,o} (3)

Where:

l_{a,o} - Initial axial length, in inches.

l_{a,f} - Final axial length, in inches.

l_{t,o} - Initial transversal length, in inches.

l_{t,f} - Final transversal length, in inches.

If we know that l_{a,o} = 61.2\,in, l_{a,f} = 61.235\,in, l_{t,o} = 2.7\,in and l_{t,f} = 2.69953\,in, then the Poisson's ratio is:

\epsilon_{a} = 61.235\,in - 61.2\,in

\epsilon_{a} = 0.035\,in

\epsilon_{t} = 2.69953\,in - 2.7\,in

\epsilon_{t} = -4.7\times 10^{-4}\,in

\nu = - \frac{(-4.7\times 10^{-4}\,in)}{0.035\,in}

\nu = 0.0134

The Poisson's ratio for the material is 0.0134.

7 0
3 years ago
How to solve this problem
I am Lyosha [343]
What problem? I don't see amything
3 0
3 years ago
The profit function for a new product is given by p(x) = -4x^2+28x-40, where x is the number sold in thousands. How many items m
Ivenika [448]
The break even point is when profit is equal to zero, or in this case when p(x)=0

4x^2-28x+40=0

4(x^2-7x+10)=0

4(x^2-2x-5x+10)=0

4(x(x-2)-5(x-2))=0

4(x-5)(x-2)=0

So the break even points are when x=2 and 5, which is when 2000 and 5000 units are sold.
3 0
3 years ago
Other questions:
  • If theirs 50 questions on a test how many do you have to get wrong to get the lowest grade
    11·1 answer
  • Find the future value of an annuity due of ​$700700 semiannually for fourfour years at 88​% annual interest compounded semiannua
    8·1 answer
  • Mardi received an inheritance of $40,000. She invested part at 9% and the rest at 12%. Her total annual income from the investme
    14·1 answer
  • A triangle has an area of 32 square millimeters and a base of 8 millimeters.<br> What is its height?
    12·1 answer
  • GEOMETRY HELP PLEASE ASAP
    10·1 answer
  • What two numbers adds up 2 and multiplies -80
    9·1 answer
  • Help? I need to know which angle is adjacent.
    10·1 answer
  • The total length of a road trip was 15.6 hours. If highway signs are posted every 0.06 hours, including one at the end of the ro
    7·1 answer
  • End Behaviors
    12·1 answer
  • A state seal, which is round, hangs in the capitol building. it has a radius of 2 feet. what is the seal's circumference?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!