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Pavlova-9 [17]
3 years ago
10

Find a cubic function with the given zeros. 6, -3, 5

Mathematics
1 answer:
sergeinik [125]3 years ago
6 0
We would find it by multiplying:
(x -6) * (x +3) * (x -5) =

x^3 -8x^2 -3x +90

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Find the miles per second traveled if one travels 40 miles in 4 hours.
katovenus [111]

\dfrac{40 \textrm{ miles}}{4 \textrm{ hours}} \times \dfrac{1 \textrm{ hour}}{60 \times 60 \textrm{ seconds}} = \dfrac{1}{360} \textrm{ miles per second}


8 0
4 years ago
Calculate the area of the circle , round your answer to the nearest hundredth
lesantik [10]
The area is 25π

Hope this helps
3 0
4 years ago
Solve the triangle given that a=19 b=16, c=11.
kirill [66]

Answer:

The angles of the triangle are approximately 87.395º, 57.271º and 35.334º.

Step-by-step explanation:

From statement we know all sides of the triangle (a, b, c), but all angles are unknown (A, B, C). (Please notice that angles with upper case letters represent the angle opposite to the side with the same letter but in lower case) From Geometry it is given that sum of internal angles of triangles equal 180º, we can obtain the missing information by using Law of Cosine twice and this property mentioned above.

If we know that a = 19, b = 16 and c = 11, then the missing angles are, respectively:

Angle A

a^{2} = b^{2}+c^{2}-2\cdot b\cdot c \cdot \cos A (1)

A = \cos^{-1}\left(\frac{b^{2}+c^{2}-a^{2}}{2\cdot b\cdot c} \right)

A = \cos^{-1}\left[\frac{16^{2}+11^{2}-19^{2}}{2\cdot (16)\cdot (11)} \right]

A \approx 87.395^{\circ}

Angle B

b^{2} = a^{2}+c^{2}-2\cdot a\cdot c \cdot \cos B (2)

B = \cos^{-1}\left(\frac{a^{2}+c^{2}-b^{2}}{2\cdot a\cdot c} \right)

B = \cos^{-1}\left[\frac{19^{2}+11^{2}-16^{2}}{2\cdot (19)\cdot (11)} \right]

B\approx 57.271^{\circ}

Angle C

C = 180^{\circ}-A-B

C = 180^{\circ}-87.395^{\circ}-57.271^{\circ}

C = 35.334^{\circ}

The angles of the triangle are approximately 87.395º, 57.271º and 35.334º.

8 0
3 years ago
What is this answer?
TiliK225 [7]

Answer:

Your answer is

B

Mark my answer as brainlist . I need that urgently . Folow me for more answer.

Step-by-step explanation:

7 0
3 years ago
Which equations results from adding the equations in this system?<br> x+6y=9<br> -x+2y=-15
UkoKoshka [18]

Answer:

8y = -6

Step-by-step explanation:

Simply add the equations as you would numbers.

The 'x's cancel each other out. The 'y's add together as normal numbers.

9 + (-15) = -6

Hope that this helps!

4 0
3 years ago
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