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ddd [48]
3 years ago
5

Solve for X plz plz plz plz

Mathematics
1 answer:
Sliva [168]3 years ago
6 0

Answer:

Step-by-step explanation:

B/c they are similar triangles we can set the sides ratio's equal to each other again

7x + 6 / 56  = 78 /91

does it kind of makes sense why I'm able to set those two ratio's equal?

it's the tough part of these problems... understanding why that works

the rest is just algebra.. My calc II professor always told us our algebra sucks. :D he was funny,

anyway, use your mad algebra skilz on the above equation

7x + 6 = 56(78/91)

7x + 6 = 4368 / 91

7x + 6 = 48

7x = 48 - 6

7x = 42

x = 6

:)

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Patel squeezed oranges so that his family could have fresh-squeezed juice for breakfast. He squeezed StartFraction 4 over 17 End
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Answer:

\approx \frac{11}{40}

Step-by-step explanation:

Juice squeezed from first orange = \frac{4}{17} = 0.235

Juice squeezed from second orange = \frac{3}{10} = 0.3

Juice squeezed from third orange = \frac{9}{20} = 0.45

Juice squeezed from fourth orange = \frac{3}{11} = 0.27

Juice squeezed from fifth orange = \frac{7}{15} = 0.47

Total juice squeezed from all the five oranges = 0.235 + 0.3 + 0.45 + 0.27 + 0.47 = 1.725

Total juice to be squeezed = 2 cups

More juice required = 2 - 1.725 = 0.275 \approx \frac{11}{40}

Therefore, to make it 2 cups of orange juice for the family, about \approx \frac{11}{40} cups of more juice is required.

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= $15 for 3 packages

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7 . Cans of frozen OJ Total Cost ($) 1.25 1 2 2.50 3 3.75 4 5.00
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\begin{gathered} x=\text{cans of frozen OJ} \\ f(x)=\text{Total cost(\$)} \\ f(x)=1.25x \\ f(1)=1.25(1)=1.25 \\ f(2)=1.25(2)=2.50 \\ f(3)=1.25(3)=3.75 \\ f(4)=1.25(4)=5.00 \end{gathered}

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