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WARRIOR [948]
3 years ago
11

Need help with this math question!!!!!!!!!

Mathematics
2 answers:
exis [7]3 years ago
7 0

ANSWER

The vertex is (1,-3)

EXPLANATION

The given parabola has equation:

{y}^{2}  + 6y + 8x + 1 = 0

We group the variables to obtain:

{y}^{2}  + 6y  =  -  8x -  1

We complete the square to get,

{y}^{2}  + 6y  +  {3}^{2}  =  -  8x -  1 +  {3}^{2}

{(y+ 3)}^{2}  =  -  8x +8

{(y+ 3)}^{2}  =  -  8(x  -1)

The vertex is of the parabola is (1,-3)

Elden [556K]3 years ago
4 0

Answer:

(-1,-3)

Step-by-step explanation:

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57.42
Fofino [41]

Hi there!

\large\boxed{a = 6 m/s^{2}}

Use the kinematic equation to solve for acceleration:

a = \frac{v_{f}-v_{i}}{t}

Where:

vf = final velocity

vi = initial velocity

t = time

Plug in the given values:

a = \frac{65-35}{5}\\\\a = 30 / 5  \\\\=6 m/s^{2}

7 0
2 years ago
PLZ HELP
Alex

Answer:

The correct option is C ) 109.5°

Therefore,

m\angle E=109.5\°

Step-by-step explanation:

Given:

In Triangle DEF

d = 10

e = 18

f = 12

To Find

angle E = ?

Solution:

In Triangle DEF , Cosine Rule says

\cos E=\dfrac{f^{2}+d^{2}-e^{2}}{2fd}

Substituting the values we get

\cos E=\dfrac{12^{2}+10^{2}-18^{2}}{2\times 12\times 10}

\cos E=\dfrac{-80}{240}=-\dfrac{1}{3}

Therefore,

\angle E=\cos^{-1}(-0.3333)

m\angle E=109.5\°       ............As it is in Second Quadrant

Therefore,

m\angle E=109.5\°

4 0
3 years ago
Please, I need to know how this question is done. please
oksian1 [2.3K]

subsitute x = 6 into the lengths

3(6) -7

18 - 7

11cm

(6) + 5

11cm

therefore it is a square when x = 6 because the sides are all equal

8 0
2 years ago
The table shows ticket prices for the local minor
Zanzabum

Answer:

2x club member ticket = 1x non-club member ticket

6 0
3 years ago
Read 2 more answers
Due in 20 mins help pls
kodGreya [7K]

Answer: ....

P/s:

  • 2 × 3/12 = 3 × 2/12 = 6 × 1/12 (= 1/2)
  • 4 × 3/12 = 1

ok done. Thank to me :>

6 0
2 years ago
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