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spayn [35]
3 years ago
9

Someone help me please I'm an idiot .​

Mathematics
1 answer:
Olegator [25]3 years ago
6 0

Answer:

23.45+6.78+236.87+2.3=269.4

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-2(x – 3) - 2<br> simplify the expression
Inessa [10]

Answer:

-2x+4

Step-by-step explanation:

-2(x-3)-2

-2x+6-2

-2x+4

4 0
3 years ago
Find the missing number of each unit rate 48/3 = ?/1 56/8 = ?/1
LenaWriter [7]

Answer:

16 and 7

Step-by-step explanation:

48/3 = 16.   16 = 16/1

56/8 = 7.     56/8 = 7/1

7 0
3 years ago
Please help!!!!!!!!!
brilliants [131]

Answer:

Step-by-step explanation:

y=9/4 x-2

5 0
3 years ago
Use demovires theorem to write the complex number in trigonometric form.
Anastasy [175]
\sqrt3+i=2\left(\dfrac{\sqrt3}2+\dfrac12i\right)

\begin{cases}\cos\dfrac\pi6=\dfrac{\sqrt3}2\\\\\sin\dfrac\pi6=\dfrac12\end{cases}

\implies\sqrt3+i=2e^{i\pi/6}

By DeMoivre's theorem,

(\sqrt3+i)^3=(2e^{i\pi/6})^3=8e^{i\pi/2}=8\left(\cos\dfrac\pi2+i\sin\dfrac\pi2\right)=8i
3 0
3 years ago
Graph the image of this triangle after a dilation with a scale factor of 2 centered at the origin.
Svet_ta [14]

Answer:  

Since, the coordinates of the given triangle are (0,0), (4,-4) and (-4,-2)

In the dilation by the scale factor k with centered at origin,

(x,y)\rightarrow (kx,ky)

Thus, If the dilation occurs by the scale factor of 2 with centered at origin,

New coordinates of the triangles are,

(0,0)\rightarrow (2\times 0, 2\times 0)

(-4,4)\rightarrow (2\times -4, 2\times 4)

(-4,-2)\rightarrow (2\times -4, 2\times -2)

Thus, the coordinates of new triangle are,

(0,0) ( -8, 8) and (-8,-4)

7 0
3 years ago
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