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Elina [12.6K]
3 years ago
11

What are the roots of the equation 9x^2-42x+50=0 in simplest a+bi form?

Mathematics
1 answer:
Lapatulllka [165]3 years ago
3 0

Answer:

-7/3 +\- 1/3i

Step-by-step explanation:

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Can anyone help me with this?
kobusy [5.1K]

Answer:

-37z

Step-by-step explanation:

3 0
3 years ago
A snowmobile travels 32 miles in 2 1/3 hours. To the nearest tenth, what was the average speed of the snowmobile?
wolverine [178]
Average speed in general = total distance / total time.

2 1/3 hours = (7/3) hours

Average speed of snowmobile = 32 miles / (7/3) hours = 13.7 mi/hr
6 0
3 years ago
What is the area of a sector with a central angle of 210 degrees and a diameter of 4.6m?
WINSTONCH [101]
Sector area = (central angle / 360) * PI * radius^2
sector area = (210 / 360) * PI * 2.3^2
sector area = (7 / 12) * PI * 5.29
<span><span><span>sector area = 9.6944313302 </span> </span> </span>
<span>sector area = 9.7 square meters (rounded)

Source:
http://www.1728.org/radians.htm

</span>
8 0
3 years ago
What is the result of 6 / 2(1 + 2) =
castortr0y [4]
1 plus 2 = 3, then u do 6/2 (3), then 3x3 = 9
3 0
3 years ago
10.
Hatshy [7]

Answer:

15

Step-by-step explanation:

4 (Book per cost)+ 4.47 (Shipping Fee) = 8.75 cost of one book $132.75 Divided by $8.75 = 15 Books bought.

7 0
3 years ago
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