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QveST [7]
3 years ago
12

Solve n for the following preportion :

7D%7Bn%7D%20" id="TexFormula1" title=" \frac{3}{5} = \frac{12}{n} " alt=" \frac{3}{5} = \frac{12}{n} " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
Gemiola [76]3 years ago
5 0
N=20




3 times 4 is 12. Anything u multiple the top u multiple the bottom. So 5 times 4 is 2
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6 0
3 years ago
What is 04.151515... into a fraction
Sergio039 [100]

Answer:

\displaystyle 4.\overline{15} = \frac{137}{33}.

Step-by-step explanation:

Start by separating this decimal number into its integer part and its fraction part:

4.151515\cdots = 4 + 0.151515\cdots

The most challenging task here is to express 0.151515\cdots as a proper fraction. Once that fraction is found, expressing the original number 4.151515\cdots will be as simple as rewriting a mixed number as an improper fraction.

Let x = 0.151515\cdots. (x + 4) would then represent the original number.

Note that the repeating digits appear in groups of two. Therefore, if the digits in x are shifted to the left by two places, the repeating part will continue to match:

\begin{aligned}x = 0.&151515\cdots && \\ 100\, x = 15.& 151515\cdots \end{aligned}.

Note, that this "shifting" is as simple as multiplying the initial number by 100 (same as 10 raised to the power of the number of digits that needs to be shifted.)

Subtract the original number from the shifted number to eliminate the fraction part completely:

\begin{aligned}&(100\, x) - x \\ &= 15.151515\cdots\\  & \phantom{=}- 0.151515\cdots\\&=15 \end{aligned}.

In other words:

99\, x = 15.

\displaystyle x = \frac{15}{99} = \frac{5}{33}.

Therefore, the original number would be:

\displaystyle x + 4 = \frac{5}{33} = \frac{132 + 5}{33} = \frac{137}{33}.

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coldgirl [10]

Answer:

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Step-by-step explanation:

It is given that Wendy's mother recorded how many donuts she has eaten over the past few months.

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Now,

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We need to find the experimental probability that the next donut Wendy eats will be a powdered sugar donut.

P(\text{Powdered sugar donut})=\dfrac{\text{Powdered sugar donuts}}{\text{Total number of donuts}}

P(\text{Powdered sugar donut})=\dfrac{5}{75}

P(\text{Powdered sugar donut})=\dfrac{1}{15}

Therefore, P(\text{Powdered sugar donut})=\dfrac{1}{15}.

3 0
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Rudik [331]

Answer:

0(x) + BY=c

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divide both sides by BY

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3 0
3 years ago
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jolli1 [7]
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7x + (-5) = 11 that is 7x - 5 = 11....
So, B. is the right answer.

3 0
3 years ago
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