3 years ago

Who is the president today of the united states

Mathematics

2 answers:

Jobisdone [24]3 years ago

6 0

Barack Obama is the current President of the United States. Hope this helps!

netineya [11]3 years ago

5 0

The president today is Barack Obama

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Q5: Identify the graph of the equation and write an equation of the translated or rotated graph in general form.

MAVERICK [17]

Answer:

$d.\:ellipse;\:3x^2+y^2+6x-6y+3=0$ .

Step-by-step explanation:

The given conic has equation;

$3x^2+y^2=9$

Divide through by 9.

$\Rightarrow \frac{3x^2}{9}+\frac{y^2}{9}=\frac{9}{9}$

$\Rightarrow \frac{x^2}{3}+\frac{y^2}{9}=1$ .

This is an ellipse centered at the origin;

This ellipse has been translated so that the center is now at;

$(-1,3)$

The translated ellipse has equation;

$\frac{(x+1)^2}{3}+\frac{(y-3)^2}{9}=1$ .

Clear the fraction;

$3(x+1)^2+(y-3)^2=9$ .

Expand;

$3(x^2+2x+1)+(y^2-6y+9)=9$ .

$3x^2+6x+3+y^2-6y+9=9$ .

Write in general form;

$3x^2+y^2+6x-6y+9-9+3=0$ .

$3x^2+y^2+6x-6y+3=0$ .

The correct choice is D

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3 years ago

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Oliwia made a scaled copy of the following triangle. She used a scale factor greater than 111. What could be the height of the s

GaryK [48]

Answer:

c,d,e

Step-by-step explanation:

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3 years ago

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Ben is 3 times as old as Daniel and is also 4 years older than Daniel.<br> How old is Daniel?

Georgia [21]

B=3d and b=d+4

Since b=b we can say:

3d=d+4 subtract d from both sides

2d=4 divide both sides by 2

d=2

Daniel is 2 years old. (and Ben is 6 years old)

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3 years ago

Please assist with this question . Will give brainliest. No links please!!!

SpyIntel [72]

Answer:

$-16x^3+9x^2$

Step-by-step explanation:

$-4x^3-12x^3+9x^2$

$(-4-12)x^3+9x^2$

$-16x^3+9x^2$

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