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labwork [276]
2 years ago
7

In a lab experiment, 3400 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to do

uble every 8 hours. How long would it be, to the nearest tenth of an hour, until there are 13700 bacteria present?
Mathematics
1 answer:
nalin [4]2 years ago
3 0

Answer: 16.1

Step-by-step explanation:

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Assume that the total revenue received from the sale of x items is given​ by, ​R(x)equals34 ln (4 x plus 5 )​, while the total c
katen-ka-za [31]

Answer:

63 units

Step-by-step explanation:

The profit function P(x) is given by the revenue function minus the cost function:

P(x) = R(x) - C(x)\\P(x) = 34ln(x+5)-\frac{x}{2}

The number of units sold 'x' for which the derivate of the profit function is zero, is the number of units that maximizes profit:

P(x) = 34ln(x+5)-\frac{x}{2}\\P'(x) =0= \frac{34}{x+5}-\frac{1}{2}\\x+5=68\\x=63\ units

The number of units that should be manufactured so that​ profit is maximum is 63 units.

5 0
3 years ago
192 beads
nirvana33 [79]

Answer:

Step-by-step explanation:

b + n = 192

n = 5b

b + 5b = 192

6b = 192

b = 192/6

b = 32 <==== 5 beads per bracelet

n = 5b

n = 5(32)

n = 160 <==== 160 beads per necklace

8 0
3 years ago
Wild
Blizzard [7]
How many slices are all together?
8 0
2 years ago
I don’t understand how do i find these answers !? i hate math .
Karolina [17]

Answer:

Choice A: y = 3x + 2

Step-by-step explanation:

<u>Given</u>

y = -1/3x +4

<u>Reciprocate and switch sign</u>

-1/3

-3/1

3/1

<u>Simplify</u>

3/1 = 3

m = 3

<u>Answer</u>

The only answer choice with the slope of 3 is choice A, therefore that would be the answer.

4 0
3 years ago
8. If KITE is a kite, find the value of x and y.
Lemur [1.5K]

Answer:

x = 3; y = 8

Step-by-step explanation:

Sides KI and KE are congruent.

4x = 12

x = 3

Sides IT and ET are congruent.

3y - 4 = 20

3y = 24

y = 8

Answer: x = 3; y = 8

7 0
2 years ago
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