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yawa3891 [41]
3 years ago
8

Which are real zeros of this function x^3+2x^2-9x-18

Mathematics
1 answer:
Gemiola [76]3 years ago
7 0
To solve the problem shown above, you must follow the proccedure shown below:

 1. You the following polynomial of degree 3:
<span>
 x^3+2x^2-9x-18

 2. When you factor it, you obtain:

 (x+2)(x-3)(x+3)=0

 3. Then, you obtain:

 x1=-2
 x2=3
 x3=-3

 4. Therefore, the correct answer is the last option (option e), which is shown below:
</span><span>
 e) -2,3,-3</span> 
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bazaltina [42]

21) option C

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4 0
3 years ago
Triangle QRS has been translated to create triangle Q'R'S'. RS= R'S' = 10 units, QS= Q'S' = 5 units, and angles Q and Q' are bot
const2013 [10]
It would be ASA(angle side angle)

if 2 angles and an included side are congruent, then the two triangles are congruent.
5 0
3 years ago
Read 2 more answers
-10k+1=40-7k<br><br><br> Please show work
luda_lava [24]
Hope this help :-) in the picture u going to see the steps. The answer is 13

6 0
3 years ago
Will mark brainliest. will be reported if only for the points
tia_tia [17]

Answer:

d=~7.6

Step-by-step explanation:

7^2+3^2=d^2

49+9=d^2

58=d^2

Square root of 58=~7.6

d=~7.6

6 0
3 years ago
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Eric invited 200 of his friends to his graduation party. 75% of those invited said yes. 15% said no. The rest said maybe. 10% of
Ilia_Sergeevich [38]

Answer:

145

Step-by-step explanation:

75% of 200 = 150

75% + 15% = 90%

100% - 90% = 10%

10% of 200 = 20

10% of 150 = 15

150 + 15  - 20 = 145

145 friends attended the party.

4 0
3 years ago
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