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lisov135 [29]
3 years ago
9

Determine the maximum number of zeros of the polynomial function 5x^3-3x^2+2x+3.

Mathematics
2 answers:
serg [7]3 years ago
4 0
D)4 is the answer jcidifodofif
HACTEHA [7]3 years ago
3 0
D.4 the answer is D Hanns
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Plzzzz help and I'll give you brainliest ​
sdas [7]

Step-by-step explanation:

Left hand side:

4 [sin⁶ θ + cos⁶ θ]

Rearrange:

4 [(sin² θ)³ + (cos² θ)³]

Factor the sum of cubes:

4 [(sin² θ + cos² θ) (sin⁴ θ − sin² θ cos² θ + cos⁴ θ)]

Pythagorean identity:

4 [sin⁴ θ − sin² θ cos² θ + cos⁴ θ]

Complete the square:

4 [sin⁴ θ + 2 sin² θ cos² θ + cos⁴ θ − 3 sin² θ cos² θ]

4 [(sin² θ + cos² θ)² − 3 sin² θ cos² θ]

Pythagorean identity:

4 [1 − 3 sin² θ cos² θ]

Rearrange:

4 − 12 sin² θ cos² θ

4 − 3 (2 sin θ cos θ)²

Double angle formula:

4 − 3 (sin (2θ))²

4 − 3 sin² (2θ)

Finally, apply Pythagorean identity and simplify:

4 − 3 (1 − cos² (2θ))

4 − 3 + 3 cos² (2θ)

1 + 3 cos² (2θ)

3 0
3 years ago
SHOW YOUR WORK FOR CREDIT!
julia-pushkina [17]
9x1=9
9-9(3n)
9-27n
Can’t be solved
5 0
3 years ago
Jina must choose a number between 55 and 101 that is a multiple of 3, 6, and 9. Write all the numbers that she could choose.
kupik [55]

Answer:

Join Zoom Meeting  

Meeting ID: 385 546 8984

Passcode: icecream4

Step-by-step explanation:

8 0
2 years ago
b. Find and interpret the standard deviation of the number of floors in this data set. Select the correct choice below and fill
Nat2105 [25]

Answer:

Option B. The standard deviation of the number of floors per city is nothing.

Step-by-step explanation:

The standard deviation of a data set is the statistic that measures the deviance or dispersion of the data from the relative mean. In other words, it is is a measure of how spread the numbers are. The standard deviation is given by the following formula:

\sigma = \sqrt{\frac{1}{N}(x-\mu) ^{2}  }

In this case, it is the deviation of the number of floors in the building in the city.

7 0
3 years ago
Last year, Lisa opened an investment account with $5200 . At the end of the year, the amount in the account had increased by 22.
valentinak56 [21]
5600*.065=364                                                                                                                 5600+364=$5964 in the account at the end of the year. ☺☺☺☺<span>   
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5 0
3 years ago
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