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DIA [1.3K]
3 years ago
15

A biologist is researching a newly-discovered species of bacteria. At time t = 0 hours, she puts one hundred bacteria into what

she has determined to be a favorable growth medium. Six hours later, she measures 800 bacteria.
The equation that can be used to model this growth would be:

A=100e0.35t
Use this formula to find how many bacteria to expect after a day at t=24
Mathematics
1 answer:
ad-work [718]3 years ago
4 0

Answer:

about 2283

Step-by-step explanation:

Plug 24 in for the value of t. e is its own value like pi but 2.1.........

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Brian is riding his bike. He biked a distance of 14 miles at a rate of 14 miles per hour. Rearrange the distance formula, d = rt
Stells [14]

Answer:

C. 60 minutes

Step-by-step explanation:

if Brian biked 14 miles in 1 hour and 1 hour = 60 minutes then the answer is 60 minutes. hope this helps

5 0
3 years ago
Dominic goes jogging every morning. If m represents the number of miles he jogs each day, which expression represents the total
aleksklad [387]

Answer:

The expression which represents the total number of miles he jogs in a week is 7 m ⇒ A

Step-by-step explanation:

Let us solve the question

∵ Dominic goes jogging every morning

∵ m represents the number of miles he jogs each day

→ That means he jogs m miles every day

∵ There are 7 days in a week

→ That means he jogs m miles every day for 7 days

∵ m + m + m + m + m + m + m = 7 × m

∴ He jogs in 1 week 7 × m miles

∴ He jogs 7 m miles in a week

The expression which represents the total number of miles he jogs in a week is 7 m

6 0
3 years ago
Solve for y 3y^2=432
Andreas93 [3]

Answer:Each Y could equal 12

Step-by-step explanation:

You would divide each side of the equation y 3 to get y^2=144.

Next take the root of both sides to get y= ± 12

After that just separate the solutions and get 12.

(I hope this helps. I tried)

3 0
3 years ago
An account earns simple interest rate. Find the annual interest rate.
Eva8 [605]
Hello!

To find the rate, you'll need to follow this formula

I=P*r*t

30=250*r*3

First, you'll need to rearrange the equation

30=250*3*r

Now you'll need to multiply 250 by 3 to get 750.

30=750r

Now you'll need to divide both sides by 750. Once you've divided 30 by 750 (30/750) you'll get 0.04. Next, you'll move the decimal twice to the right to get 4 or 4% as your rate.

Your rate is 4%

I hope this helps!
6 0
3 years ago
Which linear function represents the line given by the point-slope equation y + 1 = –3(x – 5)?
kompoz [17]

Answer:

y=-3x+14  or  3x+y=14

Step-by-step explanation:

we have

y+1=-3(x-5) ----> equation of the line into point-slope form

step 1

Convert to slope intercept form

The equation of the line into slope intercept form is equal to

y=mx+b

so

y+1=-3(x-5)

y+1=-3x+15

y=-3x+15-1

y=-3x+14 ----> equation of the line into slope intercept form

step 2

Convert to standard form

The equation of the line into standard form is equal to

Ax+By=C

so

we have

y=-3x+14

Adds 3x both sides

3x+y=14 ----> equation of the line in standard form

4 0
2 years ago
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