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Nuetrik [128]
3 years ago
7

What is value of x? Enter your answer in the box. x =

Mathematics
1 answer:
Ganezh [65]3 years ago
3 0

Answer:

I belive x=4.9

Step-by-step explanation:

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Solve for k 4.5+1.5k=18−3k
sertanlavr [38]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{k = 3}}}}}

Step-by-step explanation:

\sf{4.5 + 1.5k = 18 - 3k}

Move 3k to left hand side and change it's sign

Similarly, move 4.5 to right hand side and change it's sign

\longrightarrow{ \sf{1.5k + 3k = 18 - 4.5}}

Collect like terms

\longrightarrow{ \sf{4.5k = 18 -  4.5}}

Subtract 4.5 from 18

\longrightarrow{ \sf{4.5k = 13.5}}

Divide both sides by 4.5

\longrightarrow{ \sf{ \frac{4.5k}{4.5}  =  \frac{13.5}{4.5} }}

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\longrightarrow{ \sf{k = 3}}

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The vertex of a parabola is (-1.5, -12.5), and its y-intercept is (0, -8)
Olenka [21]
Best to find the equation of the parabola first:

Its equation is y+12.5 = (x+1.5)^2, or y = -12.5 + (x+1.5)^2

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4 0
3 years ago
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