3 years ago

Use two unit multipliers to convert 56 centimeters to feet

1 answer:

6 0

You would do 56 centimeters times 1 inch per 2.54 centimeters times 1 foot per 12 inches.

Mathematically, it will look like (56 * 1) / (2.54* 12) = approximately 1.837

In sentence form: There are approximately 1.837 feet in 56 centimeters.

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28 is increased by 150%. what's the final number

sp2606 [1]

Answer:

Step-by-step explanation:

20x(1+150%)

28x(1+1.5)

28x2.5

5 0

2 years ago

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

(English to algebra) twice K is the same as three times k plus one

ryzh [129]

2k = 3k + 1

BTW k = -1

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3 years ago

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Niall owes $187 to his cousin. However, he doesn't have any money right now. He hopes to earn some money by painting a house. He

alexgriva [62]

The equation you would write would be:
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irakobra [83]

Answer:

what is that?

Step-by-step explanation:

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2 years ago

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