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3 years ago

Can someone explain to me how to do this ?

Mathematics

1 answer:

NeTakaya3 years ago

8 0

Answer:

Step-by-step explanation:

y=-(x³)

take the points x=-2,-1,0,1,2

y=8,1,0,-1,-8

plot the points (-2,8),(-1,1),(0,0),(1,-1),(2,-8)

y=-x²

take the points x= -2,-1,0,1,2

y=-4,-1,0,-1,-4

plot the points (-2,-4),(-1,-1),(0,0),(1,-1),(2,-4)

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Y= x^2 -5 solve for x

dexar [7]

$Y= x^2 -5$

We need to solve for x, we need to get x alone

$Y= x^2 -5$

Lets start by removing -5

Add 5 on both sides

$y + 5= x^2 -5 + 5$

$y + 5= x^2$

Now to isolate x , we need to remove the square from x

To remove square , take square root on both sides

$+-\sqrt{y+5} = \sqrt{x^2}$

square and square root will get cancelled

$+-\sqrt{y+5} = x$

So $x = +\sqrt{y+5}$ and $x = -\sqrt{y+5}$

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3 years ago

Help help help solve for x 2x + 3 /12 = 2x/8

pickupchik [31]

2x + 3 /12 = 2x/8
⇒ 48x/24 + 6/24 = 6x/24
⇒ (48x+ 6)/24= 6x/24
⇒ 48x+ 6 = 6x
⇒ 48x- 6x= -6
⇒ 42x= -6
⇒ x= -6/42
⇒ x= -1/7

x=-1/7~

6 0

4 years ago

Read 2 more answers

25000ft to gal help me please

Alex787 [66]

25000ft=187012.99gal

4 0

4 years ago

Angle 1 is 50 degrees. Which angle is also 50 degrees?

solong [7]

Answer:

Step-by-step explanation:

angle 1= 50 degrees

x angle=50 degrees

cross multiply and you get and you get 1 as your answer

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4 years ago

Help on this please on 16

timama [110]

Answer:

Step-by-step explanation:B

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3 years ago