3 years ago

6x+4(150/x)=120 plz awnser for me

Mathematics

1 answer:

Gennadij [26K]3 years ago

4 0

Answer:

x=10

Explaination:

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I dont understand this problem

Fiesta28 [93]

Answer:

D and F

Step-by-step explanation:

$x^{2}+4x+4=12$ can be rewritten as $x^{2} +4x-8=0$ .

From there you can use the quadratic formula $x=\frac{-b±\sqrt{b^{2}+4ac } }{2a}$ (ignore the A, I can‘t seem to remove it), where a=1, b=4, and c=-8.

$x=\frac{-4±\sqrt{4^{2}-4(1)(-8)} }{2(1)}$

Then you get $x=\frac{-4±\sqrt{16+32}}{2}$

Then you get $x=\frac{-4±\sqrt{48} }{2}$

So $x=-2±\frac{4\sqrt{3} }{2}$

Which means $x=-2+2\sqrt{3}$ or $-2-2\sqrt{3}$ which are choices D and F.

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2 years ago

The graphs below have the same shape. What is the equation of the blue<br>graph?

Semenov [28]

Answer:

the answer is d

Step-by-step explanation:

Graph the parabola using the direction, vertex, focus, and axis of symmetry.

vertex- (5,0)

focus- (5,1/4)

axis of symmetry- x=5

directrix- y=-1/4

ps. can u mark me brainliest if i get this aswer right plz????

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3 years ago

For a regular 15-sided polygon, what is the degree of rotation?

Volgvan

Hope this helps! :)
360/15=24 degree's

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4 years ago

I’m stuck on this I need the correct answer ASAP !

Reil [10]

Answer:

S is the center of the circle shown below. The correct answer choice is A.

Step-by-step explanation:

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4 years ago

Please help me with 7 and 9. First best answer gets brainlist.

Montano1993 [528]

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