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Savatey [412]
3 years ago
14

At Rosedale Middle School, 11.25% of the

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
8 0

Answer:

162

Step-by-step explanation:

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Create a 3rd degree polynomial function with one zero at three. Sketch a graph
DedPeter [7]

Answer:

f(x) =  {x}^{3}  - 9 {x}^{2}  + 27x - 27

Step-by-step explanation:

We want to create a third degree polynomial function with one zero at three.

In other words, we want to find a polynomial function with roots x=3 , multiplicity, 3.

Since x=3 is a solution, x-3 is the only factor that repeats thrice.

f(x) =  {(x - 3)}^{3}

We expand to get:

f(x) =  x( {x}^{2}  - 6x  + 9) - 3( {x}^{2}  - 6x + 9)

f(x) =  {x}^{3}  - 6 {x}^{2}  + 9x- 3 {x}^{2}   + 18x  - 27

This simplifies to:

f(x) =  {x}^{3}  - 9 {x}^{2}  + 27x - 27

See attachment for graph.

4 0
3 years ago
Find the value of ( 1+cosA) (1-cosA)
Mandarinka [93]

Answer:

sin^2 A

Step-by-step explanation:

first expand the trigonometry

1(1-cosA)+cosA(1-cosA)

=1-cosA+cosA-cos^2 A

= 1-cos^2 A

from trigonometric identity sin^2 A + cos^2 A= 1

sin^2 A= 1- cos^2 A

=sin^2 A

3 0
3 years ago
please answer will mark brainalist .the area of a triangle of altitude 15 m is 225 sq.m.whatbis the length of its base please sh
Amanda [17]

Step-by-step explanation:

30. i already know this sa. . ....

7 0
3 years ago
1 2/3 diveid by 4/5?
Rina8888 [55]

Answer:

\frac{5}{3}

Step-by-step explanation:

If you would like me to explain let me know in the comments.

6 0
3 years ago
Read 2 more answers
(-1, -5)<br><br><br> (-2, -4)<br><br><br> (-5,-1)<br><br><br> (-4, -2)
notka56 [123]

Answer:

  (-4, -2)

Step-by-step explanation:

  A = (-1, 2)

Add (-3, -4) to that and you get ...

  A' = (-1-3, 2-4) = (-4, -2) . . . . matches the last choice

__

The translation function has the effect of moving the point left 3 and down 4. You can count grid squares on the graph to see that A' ends up at (-4, -2).

8 0
4 years ago
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