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3 years ago

If the number of bacteria in a

Mathematics

1 answer:

Y_Kistochka [10]3 years ago

5 0

Answer:

The population of 75 hours from now would be 40,000.

Step-by-step explanation:

The reason for this is because your initial number is 10,000 and when 25 hours pass by, your population would be 20,000. Another 25 hours pass by, and then your population would be 40,000. If you multiply 25 by 3, you will notice 75 hours have just passed, so your answer would be 40,000.

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Solve 3x − 2y = −21 and 2x + 5y = 5 using elimination

nydimaria [60]

Answer:

x = -5 and y = 3

Step-by-step explanation:

There are two equations :

3x − 2y = −21 ....(1)

2x + 5y = 5 ......(2)

Multiply equation (1) by 2 and equation (2) by 3.

6x - 4y = -42 ...(3)

6x + 15y = 15 ....(4)

Subtract equation (4) from (3) :

6x - 4y - (6x + 15y) = -42 -15

-4y -15y = -57

-19y = -57

y = 3

Put y = 3 in equation (2) :

2x + 5(3) = 5

2x = 5-15

2x = -10

x = -5

So, the value of x is (-5) and y = 3.

6 0

3 years ago

Square root of 1269 pl pl answer

Fiesta28 [93]

Square root of 1269 = 35.62

7 0

3 years ago

Read 2 more answers

the sum of three number is 202, the second is three more than the first number, the third number is three times the second numbe

sertanlavr [38]

Answer:

x = 38

y = 41

z = 123

Step-by-step explanation:

x + y + z = =202

y = x + 3

z = 3y = 3(x + 3) = 3x + 9

x + y + z = x + x + 3 + 3x + 9 = 5x + 12 = 202

5x + 12 = 202

5x = 190

x = 38

y = x + 3 = 41

z = 3y = 123

4 0

3 years ago

Which is a memory strategy?

scZoUnD [109]

Answer:

one memory strategy is looking at your notes twice a day and adding or taking away from them, highlighting helps a lot

i hope i helped bebe

Step-by-step explanation:

8 0

3 years ago

Hereeeeeee helllllllpp lol

Ivenika [448]

It should be 0 because the only factor changing is the x value

7 0

2 years ago