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tino4ka555 [31]
3 years ago
12

If represents the number of bacteria in a culture at time t, how many will there be at time

Mathematics
1 answer:
Crazy boy [7]3 years ago
6 0

Answer:

Population of bacteria at  time t = 6 is 2441

Step-by-step explanation:

The complete question is

If y = 10 (2.5)^trepresents the number of bacteria in a culture at time t, how many will there be at time t = 6

Solution

Given

The population of bacteria after time t is equal to y = 10 (2.5)^t

Population when at time t = 6

We will substitute the value of time in above equation.

y = 10 (2.5)^6\\y = 10  *244.14\\y = 2441.4 = 2441

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the cost of 5 oranges and 3 apples is 43 rupees and the cost of 2 oranges and 4 apples is 34 rupees. find the cost of an orange
liraira [26]

Answer: Orange = 5 rupee

Apple = 6 rupees

Step-by-step explanation:

Let the cost of an orange be x

Let the cost of an apple be y

We can form an equation from the question given which will be:

5x + 3y = 43 ......... i

2x + 4y = 34 ......... ii

Multiply equation i by 2

Multiply equation ii by 5

10x + 6y = 86 ........ iii

10x + 20y = 170 ..... iv

Subtract iii from iv

14y = 84

y = 84/14

y = 6

An apple cost 6 rupees

Since from equation ii

2x + 4y = 34

2x + 4(6) = 34

2x + 24 = 34

2x = 34 - 24

2x = 10

x = 10/2

x = 5

An orange cost 5 rupee

5 0
2 years ago
Solve the following system of equations by substitution<br> 2x – 3y = -1<br> y = x - 1
Aliun [14]

Answer:

(4, 3)

Step-by-step explanation:

Plug in x - 1 where y is. The equation will turn in 2x - 3(x - 1) = -1. Distribute, and you'll have 2x -3x + 3 = -1. Combine like terms (2x and -3x) and you'll have -x + 3 = -1. Subtract 3 from both sides, and you'll have -x = -4. Divide by -x (or -1) on both sides, and you'll have x = 4. Since y = x - 1, y = 3, since 4 - 1 = 3. Sorry if this sounds repetitive btw. Good luck :D

7 0
3 years ago
What does 34 12/27-19 5/6=
Lunna [17]
<span>34 12/27-19 5/6
</span>You may get common denominators. 

12*2 = 24
27*2 = 54

5*9=45
6*9 = 54

34 24/54 - 19 45/54 
Subtract 19.
15 24/54 - 45/54 
14 33/54 = Answer.
4 0
2 years ago
Read 2 more answers
PICK ON OF THE FOLLOWING! (imagine attached)
Aleks04 [339]

Answer:

R

Step-by-step explanation:

7 0
2 years ago
Shay makes 24 liters of homemade vegetable stock. She distributes the stock
ANTONII [103]

Answer:

3 liters

Step-by-step explanation:

pretty simple first grade question, 24/8

6 0
2 years ago
Read 2 more answers
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