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Cloud [144]
3 years ago
13

All zeros of the polynomial function 3x^3 + 2x^2

Mathematics
1 answer:
Softa [21]3 years ago
3 0

Answer:

x = 0, -2/3

Step-by-step explanation:

<u>Step 1:  Factor out an x^2</u>

<u />3x^3+2x^2

x^2(3x + 2)

<u>Step 2:  Find the zeros</u>

<u />\sqrt{x^2 } = \sqrt{0}

x = 0 → Double Root

3x + 2 - 2 = 0 - 2

\frac{3x}{3}  = \frac{-2}{3}

x = -2/3 → Single Root

Answer:  x = 0, -2/3

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A right triangle has a hypotenuse of length 20 and a leg of length 12. what is the length of the other leg? if necessary, round
elena-14-01-66 [18.8K]
Other leg^ 2 = 20^2 - 12^2
other leg^ 2 = 400-144 = 256
then other leg = √256 = 16
4 0
3 years ago
I WILL AWARD BRAINLIEST!! PLEASE HELP!!
Anastasy [175]

Answer:

m∠EBC=65° 15' and AC=20in

Step-by-step explanation:

Given:

AB≅BC

AE=10in\\m\angle FEC=90\\m\angle ABC=130\°30'

From the given Data, we can conclude the following:

1. Since two sides of the triangle ABC are congruent, therefore its an isosceles triangle.

2. m\angle FEC=90°. This shows that the line BE is perpendicular to AC. By property of isosceles triangle, the line which passes from the vertex of the largest angle of triangle and cuts the opposite side(base) perpendicularly is the perpendicular bisector of the side and angle bisector of the angle.

∴  m\angle EBA\ ≅m\angle EBC    [ Definition of Angle bisector]

m\angle ABC=130\°30'

m\angle EBC=\frac{m\angle ABC}{2}=\frac{130\°30'}{2}=65\°15'

m\angle EBC=65\°15'

∴AE=EC       [ Definition of perpendicular bisector]

AE=EC=10in

AC=AE+EC

AC=10+10=20in

AC=20in

7 0
3 years ago
HELPPPP PLEASE!!!!!!!!!!!!
PtichkaEL [24]

Answer:

C

Step-by-step explanation:

7 - 2 = 5

11 - 3(2)

11 - 6 = 5

4(2) - 3

8 - 3 = 5

C is the only one that doesn't equal 5

5 0
3 years ago
Find the average. football yardage: 10 yd, –5 yd, 7 yd, 9 yd, –11 yd
CaHeK987 [17]

Answer:

10

Step-by-step explanation:

Add all of the numbers up and divide by the amount of numbers there are. You subtract for the negatives.

5 0
3 years ago
Read 2 more answers
3x + 3 = 30 whats the answer?
storchak [24]

Answer:

x = 9

Step-by-step explanation:

3x + 3 = 30

3x = 30 - 3

3x = 27

    = 27 /  3

    = 9

Mark brainliest pls

8 0
3 years ago
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