2 years ago

Write the ratio as a fraction. Simplify if possible. 2 1/3 to 5 1/4

Mathematics

2 answers:

pashok25 [27]2 years ago

7 0

4/9
I hope this helps you out!

Vedmedyk [2.9K]2 years ago

6 0

Answer:

4/9

Step-by-step explanation:

calc

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4 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Complete the square than convert to vertex form. y=2x^2+8x-9

8_murik_8 [283]

$y=2x^2+8x-9\\D=b^2-4ac\\D=64-4(2)(-9)\\D=64+72 > 0$

There are 2 roots so the only way to complete the square is,

$y=2x^2+8x-9\\y=2[(x^2+4x)]-9\\y=2[(x^2+4x+4)-4]-9\\y=2[(x+2)^2-4]-9\\y=2(x+2)^2-8-9\\y=2(x+2)^2-17$

Just factor 2 out of 2x^2+8x (just ignore the -9) then find the number that will make the terms be able to complete the square.

then complete the square and multiply 2 inside the brackets.

subtraction as you already get the vertex form and know how to complete the square.

Vertex Form: $y=2(x+2)^2-17$

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3 years ago