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IgorLugansk [536]
2 years ago
10

(9x^2+5x^2+11x)+(-2x^3+9x-8x^2)

Mathematics
1 answer:
lidiya [134]2 years ago
6 0

Answer:

  • First step is to remove those unnecessary brackets :

\longrightarrow\tt \: 9 {x}^{3}  + 5 {x}^{2}  + 11x  - 2 {x}^{3}  + 9x - 8 {x}^{2}

  • Combine the like terms :

\longrightarrow \tt \: 9 {x}^{3}  - 2 {x}^{3}  + 5 {x}^{2}  - 8 {x}^{2}  + 11x + 9x

\longrightarrow  \boxed{\tt \: 7 {x}^{3}  - 3 {x}^{2}  + 20x}

  • Our final answer is 7x^3 - 3x^2 + 20x .

--------- HappY LearninG <3 --------

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Sketch the graph of y =sine3x​
IgorLugansk [536]

The graph of \mathbf{y=\sin{3x}} is given by,

Here given the function is y=\sin{3x}

when x=0\Rightarrow y=\sin{3\times 0}=\sin0=0, then it passes through the origin (0,0).

When x=\frac{\pi}{6}\Rightarrow y=\sin{3\times\frac{\pi}{6}}=\sin\frac{\pi}{2}=1

Since we know that, -1\leq\sin{x}\leq1,\forall x, then the function has maximum height at x=\frac{\pi}{6}.

Again when x=\frac{\pi}{3}\Rightarrow y=\sin{(3\times\frac{\pi}{3})}=\sin\pi=0, again the function is 0.

So clearly the function is the Oscillating function.

Using graphing calculator we get the graph of function y=\sin3x,

Learn more about Trigonometric Function here -

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1 year ago
From 5miles to 16miles
vfiekz [6]
From 5 miles to 16 miles in 11 miles in between.
3 0
2 years ago
X + x/3 = 4/9<br> solve for x!!
Lorico [155]

Answer:

x=1/3

Step-by-step explanation:

6 0
1 year ago
Triangle RST is shown. What is the y-coordinate of the final image of vertex T after the triangle is reflected over the x-axis f
gavmur [86]

Answer:

R¹(-7, -3) ,  S¹(-2, -1),  T¹(-5, 4)

Step-by-step explanation:

<u><em>Step(i):-</em></u>

From the graph, the points are R(-4,5), S(1,3),T(-2,-2)

First, the points are reflected over the x-axis then  transform in to

(x,y)→(x,-y)

R(-4,5)→R¹(-4,-5)

S(1,3)→S¹(1,-3)

T(-2,-2)→T¹(-2,2)

<u><em>Step(ii):-</em></u>

Next, The points are shifted to 3 units left then the transform

(x,y)→ (x -3 ,y)

R¹(-4,-5)→ R¹(-4-3, -5) → R¹(-7, -5)

S¹(1,-3)   →   S¹(1-3, -3) →  S¹(-2, -3)

T¹(-2,2)  →   T¹(-2-3, 2)→ T¹(-5, 2)

<u><em>Step(iii):-</em></u>

Now again the points are shifted to '2' units up then transform to

(x,y) )→ (x  ,y+2)

R¹(-7, -5+2) →  R¹(-7, -3)

 S¹(-2, -3+2) →  S¹(-2, -1)

 T¹(-5, 2+2)  →  T¹(-5, 4)

4 0
3 years ago
Apply the distributive property to factor out the greatest common factor. 35+50=35+50=?
a_sh-v [17]

Answer with explanation:

The given mathematical expression to solve : 35+50

The prime factorization of each term can be written as follows :-

35=5\times7

50=5\times5\times2

We can see that the greatest common factor of both the terms = 5

So we rewrite the given expression as :-

5\times7+5\times10

By using distributive property :-

ab+ac=a(b+c) , we have

=5(7+10)=5(17)=85

3 0
3 years ago
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