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3 years ago

Plz answer me

Mathematics

1 answer:

Zepler [3.9K]3 years ago

7 0

Answer:

Suppose quarter of jon's flowers are 5. So total number of flowers will be 4×5 =20.

2. Dionne has 23 sweets.

Step-by-step explanation:

Let dionne has "x" sweets

And jack has

Jack sweets = 3x

Jack has 46 more sweets than than dionne so

Jack = x + 46

Now,

3x = x + 46

2x = 46

x = 46/2

x = 23.

So dionne has 23 sweets and jack jas 69.

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A culture started with 3000 bacteria. After 2 hours it grew to 3300 bacteria. Predict how many bacteria will be present after 16

bixtya [17]

Answer:

$6,430\ bacteria$

Step-by-step explanation:

we have a exponential function of the form

$y=a(1+r)^{x}$

where

y is the population of bacteria

a is the initial value

r is the rate of growth

x is the number of hours

we have

a=3,000 bacteria

$y=3,000(1+r)^{x}$

For x=2, y=3,300

substitute

$3,300=3,000(1+r)^{2}$

$(3,300/3,000)=(1+r)^{2}$

Apply square root both sides

$1+r=\sqrt{3.3/3}$

$r=\sqrt{3.3/3}-1$

$r=0.0488$

$r=4.88\%$

substitute in the equation

$y=3,000(1+0.0488)^{x}$

$y=3,000(1.0488)^{x}$

Predict how many bacteria will be present after 16 hours

For x=16 hours

substitute

$y=3,000(1.0488)^{16}$

$y=6,430\ bacteria$

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3 years ago

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Fed [463]

Answer:

K would equal to:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Inessa [10]

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Step-by-step explanation:

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