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Kay [80]
3 years ago
11

In a recipe for fizzy grape juice, the ratio of cups of sparkling water to cups of grape juice concentrate is 3 to 1. a) Find tw

o more ratios of cups of sparkling water to cups of juice concentrate that would make a mixture that tastes the same as this recipe.
Mathematics
1 answer:
Verizon [17]3 years ago
3 0

Answer:

6:2,\,9:3

Step-by-step explanation:

Given: The ratio of cups of sparkling water to cups of grape juice concentrate is 3:1 in a recipe for fizzy grape juice.

To find: two more ratios of cups of sparkling water to cups of juice concentrate that would make a mixture that tastes the same as this recipe

Solution:

Equivalent ratios are the ratios that have the same value.

Find two ratios equivalent to 3:1=\frac{3}{1}

Multiply both numerator and denominator of \frac{3}{1} by 2

\frac{3(2)}{1(2)} =\frac{6}{2}

Multiply both numerator and denominator of \frac{3}{1} by 3

\frac{3(3)}{1(3)} =\frac{9}{3}

So, two more ratios of cups of sparkling water to cups of juice concentrate that would make a mixture that tastes the same as this recipe are 6:2,\,9:3

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Check the forward differences of the sequence.

If \{a_n\} = \{2,6,12,20,30,42,\ldots\}, then let \{b_n\} be the sequence of first-order differences of \{a_n\}. That is, for n ≥ 1,

b_n = a_{n+1} - a_n

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b_{n+1} = b_n + 2

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and so on down to

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We solve for a_n in the same way.

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Then

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and so on down to

a_{n+1} = a_1 + 2 \displaystyle \sum_{k=2}^{n+1} k = 2 + 2 \times \frac{n(n+3)}2

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What is -0.6(r+0.2) = 1.8 ???
lana66690 [7]

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3 years ago
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katen-ka-za [31]

Answer:

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Step-by-step explanation:

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Hope this helps :)

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