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3 years ago

Convert 86% to a fraction in simplest form.

2 answers:

8 0

To convert 86% to simplest form you first need to make it a decimal,
which is 0.86
then convert 0.86 to a fraction 86/100 which is not simplest form, the simplest form is 43/50
hope this helped!!

Vadim26 [7]3 years ago

7 0

0.86 43
-------= ------
100 50

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A bicycle company makes 3 different bicycle styles. Each style comes in 4 colors. Each style is made in 6 frame sizes with a cho

horsena [70]

$3*4*6*2 = 144$

I guess that is the answer.

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Photon

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3 years ago

Ancient paintings were found on cave walls in South America. The Carbon-14 in the paintings was measured and was found to be 19%

balu736 [363]

Answer: C. 13,839 (the answer is not among the given options, however the result is near this value)

Step-by-step explanation:

The exponential decay model for Carbon- 14 is given by the followig formula:

$A=A_{o}e^{-0.0001211.t}$ (1)

Where:

$A$ is the final amount of Carbon- 14

$A_{o}=$ is the initial amount of Carbon- 14

$t$ is the time elapsed (the value we want to find)

On the other hand, we are told the current amount of Carbon-14 $A$ is $19\%=0.19$ , assuming the initial amount of Carbon-14 $A_{o}=$ is $100\%$ :

$A=0.19A_{o}$ (2)

This means: $\frac{A}{A_{o}}=0.19$ (2)

Now,finding $t$ from (1):

$\frac{A}{A_{o}}=e^{-0.0001211.t}$ (3)

Applying natural logarithm on both sides:

$ln(\frac{A}{A_{o}})=ln(e^{-0.0001211.t})$ (4)

$ln(0.19)=-0.0001211.t$ (5)

$t=\frac{ln(0.19)}{-0.0001211}$ (6)

Finally:

$t=13713.717years$ This is the age of the paintings and the option that is nearest to this value is C. 13839 years

6 0

3 years ago

Four student spent $12 on school lunchat this rate find amount 10 students would spend on the same school lunch

Nesterboy [21]

$12 / 4= $3 per student
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3 years ago

Change 16 2/3 percent to a fraction and simplify. WILL MARK BRAINLIEST

lora16 [44]

Answer:

1/6

Step-by-step explanation:

(16 2/3) / 100

(50/3) / 100

50/300

1/6

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4 years ago

Is y=6x+9 <br> 27x-3y=-81 parallel

Sonja [21]

No. The equations can be solved for x and y and so they are not parallel.
x = -6 y= -27

5 0

3 years ago

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