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
oksano4ka [1.4K]
3 years ago
9

Write tally marks to show the number 8.

Mathematics
2 answers:
sladkih [1.3K]3 years ago
8 0
Look at the attatchment below

Please make sure to check with classmates for answers, to help each other.

ale4655 [162]3 years ago
7 0
1111 slanted line 111 op
You might be interested in
What are double facts what do they look like
motikmotik
Double facts the even and odd numbers for example 2×2=4
7 0
3 years ago
Read 2 more answers
About 16\20 of a tomato is water. what percent of a tomato is water?
notka56 [123]
The percent of a tomato is 80%
5 0
2 years ago
Read 2 more answers
1.73639 rounded to the nearest thousanth
Maurinko [17]
^ is in the thousadths place so look for the number before it, which is 3. 3 is less than 5 so 6 stays as is so it becomes 1.736
8 0
3 years ago
Please see attachment
Dafna11 [192]

Answer:

a) The value of absolute minimum value = - 0.3536  

b) which is attained at   x = \frac{1}{\sqrt{2} }  

Step-by-step explanation:

<u>Step(i)</u>:-

Given function

                       f(x) = \frac{-x}{2x^{2} +1}     ...(i)

Differentiating equation (i) with respective to 'x'

                     f^{l} = \frac{2x^{2} +1(-1) - (-x) (4x)}{(2x^{2}+1)^{2}  }   ...(ii)

                    f^{l}(x) = \frac{2x^{2}-1}{(2x^{2}+1)^{2}  }

Equating Zero

                   f^{l}(x) = \frac{2x^{2}-1}{(2x^{2}+1)^{2}  } = 0

                 \frac{2x^{2}-1}{(2x^{2}+1)^{2}  } = 0

                2 x^{2}-1 = 0

               2 x^{2} = 1

             x^{2}  = \frac{1}{2}

             x = \frac{-1}{\sqrt{2} }  , x = \frac{1}{\sqrt{2} }

<u><em>Step(ii):</em></u>-

Again Differentiating equation (ii) with respective to 'x'

f^{ll}(x) = \frac{(2x^{2} +1)^{2} (4x) - 2(2x^{2} +1) (4x)(2x^{2}-1) }{(2x^{2}+1)^{4}  }

put

      x = \frac{1}{\sqrt{2} }

f^{ll} (x) > 0

The absolute minimum value at   x = \frac{1}{\sqrt{2} }

<u><em>Step(iii):</em></u>-

The value of absolute minimum value

                         f(x) = \frac{-x}{2x^{2} +1}

                       f(\frac{1}{\sqrt{2} } ) = \frac{-\frac{1}{\sqrt{2} } }{2(\frac{1}{\sqrt{2} } )^{2} +1}

         on calculation we get

The value of absolute minimum value = - 0.3536      

<u><em>Final answer</em></u>:-

a) The value of absolute minimum value = - 0.3536  

b) which is attained at   x = \frac{1}{\sqrt{2} }    

3 0
2 years ago
Nine voltage measurements in a circuit have produced the following values: 12.09, 12.05, 11.94, 11.99, 12.12, 12.05, 12.02, 11.9
Debora [2.8K]

Answer:

we can not reject any value

Step-by-step explanation: From data we can test the highest and the lowest value to evaluate if one of these values are out of certain confidence Interval

If we established CI = 95 % then  α = 5 % and  α/2 = 0,025

From data we find the mean of the values

μ₀  = 12,03   and σ = 0,07

From z table we find z score for 0,025 is  z(c) = ± 1,96

So limits of our CI are:

12,03 + 1,96 =  13,99

12,03 - 1,96 = 10,07

And all our values are within  ( 10,07 , 13,99)

So we can not reject any value

4 0
3 years ago
Other questions:
  • a cable installer charges $42.50 per hour plus a $60.00 service charge your fathers firm hires him to hook up his companys inter
    11·1 answer
  • What is the value of the expression? ( 5/2 ) ^2 +3/4 ^3
    5·1 answer
  • Robin can mow a lawn in 3 hours, while Brady can mow the same lawn in 4 hours. How many hours would it take for them to mow the
    7·1 answer
  • Evaluate the expression when b= 19 and c=5.
    6·1 answer
  • 5. Write the number 81 as a power with a base of 3 and a base of 9.
    11·1 answer
  • Which is the pair of congruent
    14·1 answer
  • Y=-3x2 + 18x + 10 what is the axis of symmetry step by step?
    12·1 answer
  • It is the rate of change in angle measure of a unit of time
    14·1 answer
  • Can someone answer this question and show work. Please I only have this period to do it. It ends at 8:40 please someone do it
    7·1 answer
  • Pls answer asap and correctly
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!