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True [87]
3 years ago
11

Find the zeros of the function. f(x) = 3x^3 - 21x^2 + 36

Mathematics
1 answer:
Monica [59]3 years ago
3 0

Step-by-step explanation:

f(x)=3x3−21x2+36xf(x)=3x3-21x2+36x

Set 3x3−21x2+36x3x3-21x2+36x equal to 00.

3x3−21x2+36x=03x3-21x2+36x=0

by Solving for x

x=0,4,3

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-x^4y^2+7x^3y^3-3xy^5+2x^2y^4 in descending powers of x
muminat

Answer:

  -x^4y^2 +7x^3y^3 +2x^2y^4 -3xy^5

Step-by-step explanation:

The powers of x in the terms of the given expression are ...

  4, 3, 1, 2

so, we want to swap the last two terms to put them in the desired order:

  -x^4y^2 +7x^3y^3 +2x^2y^4 -3xy^5

6 0
3 years ago
In a survey, 200 people were polled about whether they preferred spending their free time playing sports, watching a movie, or r
Rama09 [41]
A) 25% of males preferred playing sports.

Explanation) .25 is the same is 25%.

B) 25% of the people surveyed preferred reading a book.

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C) 70 females were surveyed out of 200 people. 

Explanation)  Add up .15 + .5 + .15 to get .35.  Put .35 multiplied by 200 to                            get 70.



8 0
3 years ago
Melinda and Loren were building a snow fort. Melinda said that the fort was five feet high. Loren said that it was five inches h
Alexxx [7]

Answer:

5 ft melinda

Step-by-step explanation:

5 inches is like the length of your hand

5 0
3 years ago
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The cost of pool service includes labor and supplies. labor is 80% of the total cost. the cost of labor for a certain pool servi
laila [671]

Answer:

I know im late but the answer is 275 I just took the test on k-12

Step-by-step explanation:

3 0
2 years ago
The sum of 43 and z is equal to 72.98. Enter the equation that represents the description.
Irina-Kira [14]

sum is an answer to an addition problem, so we have to add 43 and z. z+43=72.98

Subtract 43 on both sides.

z=29.98

---

hope it helps

3 0
3 years ago
Read 2 more answers
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