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kolbaska11 [484]
2 years ago
6

4x^2+11x-108=0 quadritaic formula solution step by step

Mathematics
1 answer:
jolli1 [7]2 years ago
6 0

Answer:

4 or -6.75

Step-by-step explanation:

Quadratic Formula:

(-b±√b^2-4ac)/2a

= (-11 ±√121 - 4(4)(-108)/ 2(4))

= (-11 ± √1849)/ 8

= (-11 ± 43) /8

= 32/8 OR -54/8

= 4 OR -6.75

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Degger [83]
I hope this helps you




7 0
4 years ago
One year, the population of a city was 201,000. Several years later it was 237,180. Find the percent increase.
exis [7]

Answer:

18%

Step-by-step explanation:

% increase = <u>new population - old </u><u>population</u> x <u>100</u>

old population. 1

% increase = <u>237180 - 201000</u> x <u>100</u>

201000. 1

% increase = <u>36180 x </u><u>100</u>

201000

% increase = <u>3618000</u>

201000

% increase = 18%

5 0
2 years ago
What is the volume of a regular hexagonal prism with a side length of 4 and a height of 9? Please give the answer as square root
likoan [24]
The height of an equilateral triangle with side s is s*sqrt(3)/2
The area of an equilateral triangle is therefore s^2*sqrt(3)/4
The area of a hexagon with side s is 6 times the area of an equilateral triangle
=6*s^2*sqrt(3)/4
=3s^2*sqrt(3)/2
 
Here s=4, 
Area of base (hexagon) = 3*4^2*sqrt(3)/2=24sqrt(3)
Volume of prism
=(base area)*height
=24sqrt(3)*9
=216sqrt(3)

6 0
3 years ago
Help please? thank you!!!
babymother [125]
The answer to number 16 is 0,15
8 0
3 years ago
What is equalvent to 7:15 A 21:45 b 14:45 c 3:5 d65:135
Ivanshal [37]

Answer:

its a 21:45

Step-by-step explanation: it a because 7x3 will equal 21  you got 21 in there. 15 x 3 will equal 45 and you got 45 there so a is your answer.

5 0
3 years ago
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