3 years ago

Hey answer this pls!!

Mathematics

1 answer:

Kitty [74]3 years ago

6 0

Answer:

That would be A) -3/5.

Step-by-step explanation:

Here it is.

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Debby is working on her typing.

marin [14]

Answer:

300/60=5 more words per minute

80+5 = 85 words per minute

80 x 60 = 4800 + 300 = 5100

5100 / 60 = 85 words per minute

Hope this helps

Step-by-step explanation:

6 0

4 years ago

What single percentage change is equivalent to a 17% decrease followed by a 12% increase

Finger [1]

Answer:

7.04% decrease

Step-by-step explanation:

Lets use 5 example

5*0.17=0.85

5-0.85=4.15

4.15*0.12=0.498

4.15+0.498=4.648

7.04% of 5 is 4.648

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3 years ago

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Mazyrski [523]

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5, 2, 1, 2, 5

Step-by-step explanation:

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2 years ago

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Find the value of x .

guajiro [1.7K]

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3 years ago

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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:

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

3 0

3 years ago

Hey answer this pls!!​

Hey answer this pls!!