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lara31 [8.8K]
3 years ago
14

Being timed help

Mathematics
1 answer:
Makovka662 [10]3 years ago
6 0
I'm assuming 43 is actually 4/3
see what number the previous term must be multiplied by to get the next term
4 *something = 12, 12*something=36
common ratio is 3
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Gabbys age is two times mikhails age.the sum of their ages is 75. What is mikhails age
Tatiana [17]

Answer:

Mikhail's age is 25 years old

Step-by-step explanation:

Let's make an equation: Say Mikhail is x, so Gabby would be 2*x=2x

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Step-by-step explanation:

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In a certain function, y varies directly with x. If y = 6 when x = 8, find x when y = 9.
Hatshy [7]

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<u>Solution:</u>

Given that , In a certain function, y varies directly with x

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Now, from the given information,

\begin{array}{l}{y \alpha x} \\\\ {y=c x \rightarrow(1)}\end{array}

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\begin{array}{l}{\text { Now, substitute } x=8 \text { and } y=6 \text { in }(1)} \\\\ {\rightarrow 8=c(6) \rightarrow c=\frac{8}{6}} \\\\ {\rightarrow c=\frac{4}{3}} \\\\ {\text { Then, }(1) \rightarrow x=\frac{4}{3} y} \\\\ {\text { So, when } y=9} \\\\ {\rightarrow x=\frac{4}{3}(9)} \\\\ {\rightarrow x=4 \times 3} \\\\ {\rightarrow x=12}\end{array}

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Answer:

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y for saving and x for weeks

Diego: y = 11 + 5 x

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7 0
3 years ago
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