3 years ago

Need answer asap, correct answer will get brainliest.

Mathematics

2 answers:

kkurt [141]3 years ago

7 0

Answer:

???

Step-by-step explanation:

Olegator [25]3 years ago

3 0

Answer: Where is question?

Step-by-step explanation:

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For the function, the vertex of the function's graph is given. Find the unknown coefficients.

olga2289 [7]

$\bf \textit{vertex of a vertical parabola, using coefficients} \\\\ y=\stackrel{\stackrel{a}{\downarrow }}{1}x^2\stackrel{\stackrel{b}{\downarrow }}{+b}x\stackrel{\stackrel{c}{\downarrow }}{+c} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right)~~=~~(-2,4) \\\\[-0.35em] ~\dotfill\\\\ -\cfrac{b}{2a}=-2\implies -\cfrac{b}{2(1)}=-2\implies -b=-4\implies \boxed{b=4} \\\\[-0.35em] ~\dotfill$

$\bf c-\cfrac{ b^2}{4 a}=4\implies c-\cfrac{\boxed{4}^2}{4(1)}=4\implies c-\cfrac{16}{4}=4 \\\\\\ c-4=4\implies \boxed{c=8} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill y=x^2+4x+8~\hfill$

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3 years ago

Three of the angles of a quadrilateral are 82, 114 and 95. what is the size of the 4th angle?

LekaFEV [45]

To find a missing angle of a quadrilateral first
know what a quadrilateral equals, in this case, it equals 360 degrees
now take
82+114+95= 291
then take
360-291= 69
the 4th angle is 69 degrees
hope this helps!

6 0

3 years ago

Simplify: (3)+(-4) O A. -7 OB. 1 O c. 1 OD. 7

Lady bird [3.3K]

Answer:

-1

Step-by-step explanation:

(3) + (-4) =

4-3= -1

8 0

3 years ago

Read 2 more answers