How can fraction strips, number lines, and thinking with numbers help you find equivalent fractions?

2 answers:

5 0

Nothing creepy plz >3<

Are you brave?
Repost this to ur page any one who reads this can ask u any question and u Have to answer the question no matter what it is :P

maks197457 [2]3 years ago

4 0

Fraction strips can help because you can see if one strip can line up equally with the other.

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2 years ago

How do I find the values of these

skad [1K]

Since the triangles are similar, then 32 = x+7 those two angles are too
solve for "x"

now using proportions $\bf \cfrac{\textit{small triangle}}{\textit{large triangle}}\qquad \cfrac{JK}{18}=\cfrac{12}{12+10}$

solve for JK

$\bf \cfrac{\textit{small triangle}}{\textit{large triangle}}\qquad \cfrac{12}{12+10}=\cfrac{9}{9+KG}\implies 12(9+KG)=(22)9
\\\\\\
108+9KG=198$

solve for KG

the scale factor of the perimeter of both triangles is just the same as the ratio of the sides, or $\bf \cfrac{12}{12+10}$

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Step-by-step explanation:

because the shape on the base is a pentagon for the pyramid, and look for another pentagon in the middle of the images in the anwser choice and you find the first one is correct

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