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maksim [4K]
3 years ago
13

6) If the value of x in the above diagram equals 26, which of the following pairs of numbers does the solution fall between?

Mathematics
2 answers:
Sphinxa [80]3 years ago
6 0
I am pretty sure it is D not sure though
vesna_86 [32]3 years ago
6 0
It’s B bapi 13 and 14
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Pls, look at the picture for the question.
finlep [7]
B. 9*10^16 (because in question give it)


B. 3*10^9 (because answer to first question is divided by seconds in one year (365*24*60*60).
7 0
2 years ago
Read 2 more answers
Solve
Deffense [45]

Answer:

The formula for calculating mean is summation x/n

There fore

5

-7

3

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-6

-4

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The answer is -4 which A

4

7 0
2 years ago
Geometry Question Need Help. I will give brainliest.
Westkost [7]

Answer:

The correct answer is D. The points are rotated 180 degrees and scaled by a factor of 0.5.  I assume that the 0.5 is the expected value in the text box labelled "D" (for dilation perhaps?)

6 0
2 years ago
Graph the function y = 2x3 – x2 – 4x + 5. To the nearest tenth, over which interval is the function decreasing?
daser333 [38]
As you progress in math, it will become increasingly important that you know how to express exponentiation properly.

y = 2x3 – x2 – 4x + 5  should be written    <span>y = 2^x3 – x^2 – 4^x + 5.  The 
" ^ " symbol denotes exponentiation.

I see you're apparently in middle school.  Is that so?  If so, are you taking calculus already?  If so, nice!

Case 1:  You do not yet know calculus and have not differentiated or found critical values.  Sketch the function          </span>y = 2x^3 – x^2 – 4^x + 5, including the y-intercept at (0,5).  Can you identify the intervals on which the graph appears to be increasing and those on which it appears to be decreasing?

Case 2:  You do know differentiation, critical values and the first derivative test.  Differentiate  y = 2x^3 – x^2 – 4^x + 5 and set the derivative = to 0:

dy/dx = 6x^2 - 2x - 4 = 0.  Reduce this by dividing all terms by 2:

dy/dx = 3x^2 - x - 2 = 0    I used synthetic div. to determine that one root is x = 2/3.  Try it yourself.  This leaves the coefficients of the other factor, (3x+3); this other factor is x = 3/(-3) = -1.  Again, you should check this.

Now we have 2 roots:  -1 and 2/3

Draw a number line.  Locate the origin (0,0).  Plot the points (-1, 0) and (2/3, 0).  This subdivides the number line into 3 subintervals:

(-infinity, -1), (-1, 2/3) and (2/3, infinity).

Choose a test number from each interval and subst. it for x in the derivative formula above.  If the derivative comes out +, the function is increasing on that interval; if -, the function is decreasing.

Ask all the questions you want, if this explanation is not sufficiently clear.

4 0
3 years ago
Read 2 more answers
Unit 22. Practice test
OLga [1]

Answer:

D

Step-by-step explanation:

5 0
3 years ago
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