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andreev551 [17]
3 years ago
9

Use the model from problem 12 to estimate the population of bacteria at 9 hours. Type your answer below. Show your work.

Mathematics
2 answers:
astra-53 [7]3 years ago
6 0
Check the picture below.

that's done just with the provided links, and I simply ran a line, so it'll be thereabouts, roughly between 13 and 14, depending on how you hang the line.

anyhow, if you have a TI(texas instruments) 89+ or higher, you can just provide the value pairs of the data and run a quadratic regression, or an exponential.

there are some online regression calculators as well.

mezya [45]3 years ago
6 0

Answer:

T=9

P=0.38*9^2-2.45*9+5.1=13.83

Step-by-step explanation:

I'm not quite sure how to explain it... i'm bad at explaining things...

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A screen printer can pack up to 24 sweatshirts into a box for shipping.
Maru [420]

Answer: 15

Step-by-step explanation:

360 is the amount of sweats you need to ship to a costumer. One box has 24 shirts. This gives you the equation: 360 ÷ 24 = 15.

N is 15

6 0
2 years ago
Two angles are vertical angles. One angle is ( 8x + 15 ) and the other angle is 143. Solve for x.
sineoko [7]

Answer:

x = 16

Step-by-step explanation:

Verticle angles are always congruent, so:

(8x + 15) = 143

Now, we can solve to isolate x:

8x + 15 - 15 = 143 - 15  (subtract 15 from both sides)

8x/8 = 128/8                (divide both sides by 8)

x = 16

You can always plug in the value of x to the original equation to check your answer:

8(16) + 15 = 143

5 0
2 years ago
A rectangular deck is 12 ft by 14 ft. When the length and width are increased by the same amount, the area becomes 288 sq. ft. B
alexdok [17]
To solve this problem you must apply the proccedure shown below:

 1. You have the following information given in the problem above:

 - The<span> rectangular deck has the following dimensions: 12 ft by 14 ft.
 - When the length and width are increased by the same amount, the area becomes 288 ft</span>².

 2. Therefore, you have:

 A=bxh

 288=(12x)(14x)
 288=168x²

 3. When you clear the x, you obtain:

 x=√288/168
 x=(2√21)/7≈1.31
 
6 0
2 years ago
Read 2 more answers
marina is paid $28 per hour and works 7 hours per day. she receives one paid day off for each 14 days that she works. what is he
damaskus [11]
We know that

14 days------------> 14*7 hours-----> 98 hours

98 hours*<span>$28 per hour-------> $2744
one paid day-------> </span>$28*7 hours-----> $196<span>

therefore
[</span>her true hourly wage]=[$2744+$196]/(98)-----> $2940/98-----> $30 per hour

the answer is
$30 per hour
8 0
3 years ago
Read 2 more answers
The hotel has 450 rooms. One half of the rooms are filled. How many rooms are still available?
BlackZzzverrR [31]

There are 225 rooms. Half is filled, so half is empty.

6 0
3 years ago
Read 2 more answers
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