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Naddika [18.5K]

4 years ago

8

Which fraction is equivalent to 68%

2 answers:

Gemiola [76]4 years ago

8 0

68 over 100
or 0.68
but it depends on what yu talking about

algol134 years ago

6 0

68/100 but if you want it simplified it would be 17/25

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The value of a motorbike depreciates by 32% per year. Work out the current value of a motorbike bought 5 years ago for £3600

DaniilM [7]

$\bf \qquad \textit{Amount for Exponential Decay}
\\\\
A=P(1 - r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{initial amount}\to &3600\\
r=rate\to 32\%\to \frac{32}{100}\to &0.32\\
t=\textit{elapsed time}\to &5\\
\end{cases}
\\\\\\
A=3600(1-0.32)^5\implies A=3600(0.68)^5\implies A\approx 523.41601$

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Marcus loves baseball and wants to create a home plate for his house. Marcus needs to calculate the area of the home plate at th

balu736 [363]

The answer is d. 39.

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3 years ago

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Nuetrik [128]

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3 years ago

Josue broke a cell sample into 12 batches, each weighing 6.9 x 10 ^-10

Klio2033 [76]

Using proportions, it is found that the original sample weighed $8.28 \times 10^{-9}$ grams.

This question is solved by <em>proportions</em>, using a rule of three.

The weight of 1 batch, in grams, is of $6.9 \times 10^{-10}$ . How much do the sample of 12 batches weigh?

The rule of three is:

1 batch - $6.9 \times 10^{-10}$ grams.

12 batches - x grams

Applying cross multiplication:

$x = 12 \times 6.9 \times 10^{-10} = 82.8 \times 10^{-10}$

Applying scientific notation:

$8.28 \times 10^{-9}$

The original sample weighed $8.28 \times 10^{-9}$ grams.

You can learn more about proportions at brainly.com/question/24372153

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3 years ago

Read 2 more answers

Chocolate chip cookies call for 3 1/4 cups of sugar for 2 1/2 batches. To make 1 1/4 batches of peanut butter cookies you need 1

Troyanec [42]

Answer:

=<u>peanut butter cookie batches require more sugar</u>

Step-by-step explanation:

chocolate chip cookies:

3 1/4 / 2 1/2

<u>7 </u> / <u>5</u> = <u> 7 </u> x <u> 2 </u> = <u> 7 cups</u>

4 2 4 5 10

peanut butter cookies:

1 1/4 / 1 3/4

<u>5</u> / <u>7</u> = <u>5</u> / <u>4</u> = <u> 5 cups</u>

4 4 4 7 7

compare cups

<u> 7 </u> , <u> 5 </u> = <u> 49 , 50 </u>

10 7 70

=<u>50</u> = <u>5</u> = peanut butter cookie batches require more sugar

70 7

7 0

3 years ago