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Ahat [919]
4 years ago
5

Can someone pls help?

Mathematics
1 answer:
ratelena [41]4 years ago
6 0
The measure of angle 8 is 88 degrees
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What are the possible numbers of positive, negative, and complex zeros of f(x) = x6 + x5 + x4 + 4x3 − 12x2 + 12?
mr_godi [17]
This is a polynomial with more than 2 as a degree. Using Descartes Rule of Signs: 
f(x) = x⁶ + x⁵ + x⁴ + 4x³ − 12x² + 12 
Signs: + + + + − + 2 sign changes ----> 2 or 0 positive roots 
f(−x) = (−x)⁶ + (−x)⁵ + (−x)⁴ + 4(−x)³ − 12(−x)² + 12 f(−x) = x⁶ − x⁵ + x⁴ − 4x³ − 12x² + 12 
Signs: + − + − − + 4 sign changes ----> 4 or 2 or 0 negative roots 
Complex roots = 0, 2, 4, or 6 
7 0
3 years ago
Read 2 more answers
Rachel is mailing packages. Each small package costs her $2.60 to send. Each large package costs her$4.10. How much will it cost
Tresset [83]

Answer:

$7.8

Step-by-step explanation:

$2.6 x 3

= $7.8

3 0
3 years ago
What is the average of 96,49,68,75<br><br><br> Plzz explain
Alenkinab [10]

Answer:

32.64

Step-by-step explanation:

you get this awnser by adding all the numbers together 96,49,68,75 and dividing by 4

5 0
3 years ago
Need help on this please
vovikov84 [41]

9514 1404 393

Answer:

  71°

Step-by-step explanation:

Opposite angles of an inscribed quadrilateral are supplementary.

  ∠H = 180° -109° = 71°

_____

<em>Additional comment</em>

The above rule comes from the more general rule that the measure of an inscribed angle is half the measure of the arc it intercepts. Here, inscribed angle J intercepts arc GHI, so that arc has measure 2×109°. Then the measure of short arc GI is 360° -2×109°, and inscribed angle H is half that:

  ∠H = (1/2)(360° -2×109°)

  ∠H = 180° -109° = 71°

6 0
3 years ago
Please help I will mark!!
marin [14]

Answer:788

Step-by-step explanation:

6 0
4 years ago
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