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Aleonysh [2.5K]
4 years ago
13

Consider the function f(x)=3x^3-5x^2-88x+60-5 is a root of f(x). Find all of the roots of f(x)

Mathematics
1 answer:
Tom [10]4 years ago
8 0
If -5 is a root then f(x) is divisible by x + 5

The quotient from this division is 3x^2 -20x +12
Factoring this:-

= 3x^2 - 18x - 2x + 12
= 3x(x - 6) - 2(x - 6)
= (3x - 2)(x - 6)
So 2 more roots are 2/3 and 6
All the roots are -5 , 2/3 and 6.  Answer
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Which of the following is an inscribed angle in the diagram below?
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Answer:

A  

Step-by-step explanation:

8 0
3 years ago
traveling at an average speed of 50km/h a journey takes 2 hours. how long will it take at 60km/hr? show your working.
Inessa05 [86]
I hope this helps you




Distance=time×Speed



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3 0
4 years ago
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zalisa [80]

Answer:

256 pretzels and a total of 15 snack bags.

Step-by-step explanation:

14 * 2 = 28

+

15* 2= 30

+

4 * 16 = 64

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2 * 18 = 36

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1 * 19 = 19

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1 * 21 = 21

28 + 30 + 64 + 36 + 19 + 60 + 20 = 256

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There are a total of 15 dots

There are a total of 15 snack bags.

I hope I helped!

Let me know if you need anything else!

~ Zoe

7 0
3 years ago
A fair coin is tossed four times, and each time the coin lands heads up. if the coin is then tossed 1996 more times, how many he
andrey2020 [161]

Answer:

998 heads are likely to appear

Step-by-step explanation:

When a fair coin is tossed, the probability to flip a head is 50% and to flip a tail is also 50%, so if the coin is tossed 1996 times, 0.5*1996 = 998 heads and 998 tails are likely to appear, despite the fact the coin lands heads up 4 times before, because every toss is independent of the other ones.

3 0
3 years ago
Help me with this !!
densk [106]
<h3>Answer:  17</h3>

Multiply the probability of getting a correct answer (0.25) with the number of questions (68) to get 0.25*68 = 17

The student should expect to get about 17 questions correct.

7 0
3 years ago
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