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4 years ago

Can i get some help please

Mathematics

1 answer:

Papessa [141]4 years ago

4 0

Answer:

y=(x-2)²+2

Step-by-step explanation:

y=x²-4x+6 (a=1 , b=-4 , c=4)

vertex form : y=a(x-h)²+k

h and k are the vertex coordinate :

h=-b/2a =-4/-2

h=2

find f(2) to find k in the equation :x²-4x+6

(2)²-4(2)+6

4-8+6=2 (k=2)

vertex form : y=a(x-h)²+k (a=1)

y=(x-2)²+2

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4 years ago

an oatmeal recipe calls for 1 1/2 cups of oat and 2 1/2 cups of water. A If you have 3 cups of oats,how many cups of oats water

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$\bf \begin{array}{ccll}oats&water\\\cline{1-2}\frac{3}{2}&\frac{5}{2}\\[0.8em]2&x\end{array}\implies \cfrac{~~\frac{3}{2}~~}{2}=\cfrac{~~\frac{5}{2}~~}{x}\implies \cfrac{~~\frac{3}{2}~~}{\frac{2}{1}}=\cfrac{~~\frac{5}{2}~~}{\frac{x}{1}}\implies \cfrac{3}{4}=\cfrac{5}{2x}\\\\\\6x=20\implies x=\cfrac{20}{6}\implies x=\cfrac{10}{3}\implies \blacktriangleright x=3\frac{1}{3} \blacktriangleleft$

$\bf \begin{array}{ccll}oats&water\\\cline{1-2}\frac{3}{2}&\frac{5}{2}\\[0.8em]5&x\end{array}\implies \cfrac{~~\frac{3}{2}~~}{5}=\cfrac{~~\frac{5}{2}~~}{x}\implies \cfrac{~~\frac{3}{2}~~}{\frac{5}{1}}=\cfrac{~~\frac{5}{2}~~}{\frac{x}{1}}\implies \cfrac{3}{10}=\cfrac{5}{2x}\\\\\\6x=50\implies x=\cfrac{50}{6}\implies x=\cfrac{25}{3}\implies \blacktriangleright x=8\frac{1}{3} \blacktriangleleft$

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3 years ago

What are the other angles measure? Is angle 6: 30 degrees?

zhenek [66]

Angle 1,6,4 and 8 are all 30 degrees because they are across from eachother

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3 years ago

Help me please thank you

katen-ka-za [31]

Answer:

Step-by-step explanation:

A+N+J=310

A=N*2 =>N=A/2

N=J*3 =>J=N/3

N=?

N*2+N+N/3=310

3N+N/3=310

(9N+N)/3=930/3

10N=930

N=930/10

N=93

will be nice if you give me brainlies.Good luck!

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3 years ago