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3 years ago

Write 0.43 as a fraction, reduced to the lowest terms

Mathematics

1 answer:

alexdok [17]3 years ago

8 0

Answer:

43/100

Step-by-step explanation:

It would have to be 43/100 becuase 43 is a prime number, therefore it cannot be simplified.

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Scientists have discovered a vaccine for a debilitating disease. This year there were 570,000 reported new cases of the disease

Ket [755]

Answer: There are approximately 853827 new cases in 6 years.

Step-by-step explanation:

Since we have given that

Initial population = 570000

Rate at which population decreases is given by

$\frac{2}{3}$

Now,

First year =570000

Second year is given by

$570000\times (\frac{1}{3})$

Third year is given by

$570000(\frac{1}{3})^2$

so, there is common ratio ,

it becomes geometric progression, as there is exponential decline.

so,

$570000,570000\times \frac{1}{3},570000\times( \frac{1}{3})^2,......,570000\times (\frac{1}{3})^6$

a=570000

common ratio is given by

$r=\frac{a_2}{a_1}=\frac{1}{3}$

number of terms = 6

Sum of terms will be given by

$S_n=\frac{a(1-r^n)}{(1-r)}$

We'll put this value in this formula,

$S_6=\frac{570000(1-(\frac{1}{3})^6}{(1-\frac{1}{3})}\\\\=853827.16$

So, there are approximately 853827 new cases in 6 years.

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2 years ago

Chan receives a bonus from his job. He pays 30% taxes, pays 30% charity and 25% debt. Has $600 remaining from his bonus. What wa

Verdich [7]

Answer:

b = $4000

Step-by-step explanation:

Let b represent the bonus amount.

Then the bonus, b, less the three deductions, is represented by

b - 0.30b - 0.30b - 025b, and this comes to $600. Find the value of b.

b - 0.85b = $600, or

0.15b = $600

Then b = $4000

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3 years ago

Solve 11 ≤ w + 3.4 i dont know the answer please help me

shepuryov [24]

Answer:

7.6 ≤w

Step-by-step explanation:

Hey there!

In order to solve this inequality, you need to simplify the inequality like the following:

Subtract 3.4 from both sides

7.6 ≤w

This means that w is greater than or equal to 7.6

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2 years ago

Write the rule for the following arithmetic sequence: 11, 15, 19, 23, …

miv72 [106K]

11,15,19,23

an = 11 + 4(n-1)
an = 11 + 4n - 4
an = 4n + 7

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3 years ago

Alan has forgotten his 4-digit PIN code.

SVEN [57.7K]

Answer:

a lot of different answers

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Write 0.43 as a fraction, reduced to the lowest terms​

Write 0.43 as a fraction, reduced to the lowest terms