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3 years ago

Help me please boyos

Mathematics

2 answers:

luda_lava [24]3 years ago

3 0

Answer:

para wala nang makasagot

Bas_tet [7]3 years ago

3 0

Answers:

Expression 1 - Option 1

Expression 2 - Option 2

Expression 3 - Option 3

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What are the solutions of x2 = 8 - 5x?

jonny [76]

Answer:

That can be re-written:

x^2 + 5x -8 = 0

We use the Quadratic Formula

a=1

b = 5

c = -8

x = [-b +- sq root (b^2 - 4ac) ] / 2a

x = [-5 +- sq root (25 - - 32)] / 2

x1 = [-5 + sq root (57)] / 2

x1 = 1.27491722

x2 = [-5 - sq root (57)] / 2

x2 = -6.2749172176

Step-by-step explanation:

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3 years ago

1. What is the spinning mo tion of the earth called? = rotation

Tasya [4]

Answer:

Rotation and Revolution are two motions of the earth.

Step-by-step explanation:

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2 years ago

Solve the following quadratic inequality 2x^2+3x-5>0

madreJ [45]

Answer:

x < -2.5 and x > 1

Step-by-step explanation:

3 0

3 years ago

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HELP REALLY NEED HELP PLS :D WINNER GETS 8 POINTS

andrew-mc [135]

The answer to this question is:

280ft^2 for surface area

The volume is 300ft^2

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3 years ago

Does the point (-4, 2) lie inside or outside or on the circle x^2 + y^2 = 25?

stiv31 [10]

Given equation of the Circle is ,

$\sf\implies x^2 + y^2 = 25$

And we need to tell that whether the point (-4,2) lies inside or outside the circle. On converting the equation into Standard form and determinimg the centre of the circle as ,

$\sf\implies (x-0)^2 +( y-0)^2 = 5 ^2$

Here we can say that ,

• Radius = 5 units

• Centre = (0,0)

Finding distance between the two points :-

$\sf\implies Distance = \sqrt{ (0+4)^2+(2-0)^2} \\\\\sf\implies Distance = \sqrt{ 16 + 4 } \\\\\sf\implies Distance =\sqrt{20}\\\\\sf\implies\red{ Distance = 4.47 }$

Here we can see that the distance of point from centre is less than the radius.

Hence the point lies within the circle .

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3 years ago

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