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3 years ago

Write each number as a fractions with positive exponents.

Mathematics

1 answer:

boyakko [2]3 years ago

8 0

You can't take away 6 from 2 but you can switch them and get 6-2 and that's =4 10-8=2 7-5=2

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HELP WHAT IS IT ITS DUE IN 4 MINUTES

rusak2 [61]

Answer:

Step-by-step explanation:

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3 years ago

99 PNTS!!!!!

Brilliant_brown [7]

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3 years ago

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Oksanka [162]

Answer:

Step-by-step explanation:

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3 years ago

The formula for velocity of an object is the equals d over t where he is a velocity of the object t is the distance traveled and

butalik [34]

Answer:

$(a)\ t =\frac{d}{v}$

$(b)\ d = vt$

Step-by-step explanation:

The question is mixed up with details of another question. See comment for original question

Given

$v = \frac{d}{t}$

$v \to velocity$

$d \to distance$

$t \to time$

Solving (a): Solve for time

We have:

$v = \frac{d}{t}$

Cross multiply

$t * v = d$

Make t the subject

$t =\frac{d}{v}$

Solving (b): Solve for distance

We have:

$v = \frac{d}{t}$

Cross multiply

$d = v * t$

$d = vt$

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3 years ago

An element with mass 310 grams decays by 8. 9% per minute. How much of the element is remaining after 19 minutes, to the nearest

Cerrena [4.2K]

$\qquad \textit{Amount for Exponential Decay} \\\\ A=P(1 - r)^t\qquad \begin{cases} A=\textit{current amount}\\ P=\textit{initial amount}\dotfill &310\\ r=rate\to 8.9\%\to \frac{8.9}{100}\dotfill &0.089\\ t=\textit{elapsed time}\dotfill &19\\ \end{cases} \\\\\\ A=310(1-0.089)^{19}\implies A=310(0.911)^{19}\implies A\approx 52.8$

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2 years ago