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3 years ago

Draw or write to explain why i hundred 4 ten and 14 tens name the same amount

Mathematics

2 answers:

butalik [34]3 years ago

8 0

ten tens are one hundred and then they both have 4 tens or forty

I am Lyosha [343]3 years ago

7 0

Answer:

Both represent the number 140

Step-by-step explanation:

1 hundred 4 ten means 1 times 1 hundred plus 4 times ten, that is:

1 * 100 + 4 * 10 = 140

In the same way, 14 tens can be expressed as follows:

14 * 10 = 140

Then, they represent the same amount.

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PIT_PIT [208]

Answer:

I believe its 33.60 because if you add up 33.+5% that would give you 33.6 so its 33.60

Step-by-step explanation:

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3 years ago

A bacteria colony increases in size at a rate of 4.0581e1.6t bacteria per hour. If the initial population is 36 bacteria, find t

Harrizon [31]

Answer:

1560

Step-by-step explanation:

The rate of Increase of the population (P) of the bacteria is given as:

$\frac{dP}{dt} =4.058e^{1.6t}$

$dP =4.058e^{1.6t}}dt\\Taking\: Integrals\\\int dP =4.058 \int e^{1.6t}dt\\P(t)=\frac{4.058}{1.6} (e^{1.6t} +K)\\P(t)=2.53625 (e^{1.6t} +K)$

Where k is a constant of Integration.

At t=0, P(t)=36

$36=2.53625 (e^{1.6*0} +K)\\36=2.53625 (e^{0} +K)\\36=2.53625 (1 +K)\\36=2.53625 +2.53625K\\K=13.19$

Therefore:

$P(t)=2.53625 (e^{1.6t} +13.19)\\At \: t=4\\P(4)=2.53625 (e^{1.6*4} +13.19)\\=1559.88\\P(4)=1560$

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3 years ago

Which numbers will round to 19 when they are rounded to the nearest whole number?

Nonamiya [84]

Answer:

18.82 , 19.33 , 19.46

Hope this helps :)

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3 years ago

Read 2 more answers

Please help! I’ll mark brainliest

Usimov [2.4K]

Answer: 19 ≥ 3z + 1 ≥ - 5

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