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3 years ago

7

Which equation has x = -2 as the solution?

2 answers:

Vera_Pavlovna [14]3 years ago

8 0

The answer is 2x + 8 = 4

ivanzaharov [21]3 years ago

8 0

The answer is 2x +8=4 because 2 times -2 equals -4. When -4 is added to 8, it comes out to 4

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3 years ago

-7πh = 98π <br> solve for h

ICE Princess25 [194]

Answer:

h = -14

Step-by-step explanation:

-7πh = 98π

⇔ -7h = 98 (Just Divide both sides by π)

⇔ h = 98 ÷ (-7) = -14

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1 year ago

Read 2 more answers

Select all equations that have two solutions. a x^2=16 b 4x^2=0 c x^2=-16 d 3x+2=14 e x^2-1=24 f (x+8)(x-8)=0

never [62]

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a )

${x}^{2} = 16$

$x = ± \: 4$

Two solutions.

_________________________________

b )

$4 {x}^{2} = 0$

$x = 0$

One solution .

_________________________________

c )

${x}^{2} = - 16$

$No \: \: solution.$

_________________________________

d )

$3x + 2 = 14$

$x = 4$

One solution.

_________________________________

e )

${x}^{2} - 1 = 24$

${x}^{2} = 25$

$x =± \: 5$

Two solutions.

_________________________________

f )

$(x + 8)(x - 8) = 0$

$x = - 8 \: \: or \: \: x = 8$

Two solutions .

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3 years ago

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IRINA_888 [86]

I believe the answer is 5.15 .

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Genrish500 [490]

Answer:

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Step-by-step explanation:

I mean if it uses 4 bags a day . . .

2/5's wont last long at all

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3 years ago