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Veronika [31]
3 years ago
12

After how many hours will 300 colonies be present?

Mathematics
1 answer:
VikaD [51]3 years ago
6 0
Substitute the given number in your formula and solve for the remaining variable.
.. 300 = 100e^(0.7t)
.. 3 = e^(0.7t) . . . . . . . . . divide by 100
.. ln(3) = 0.7t . . . . . . . . . .take the natural logarithm
.. ln(3)/0.7 = t . . . . . . . . . divide by the coefficient of the variable
.. 1.6 = t

Selection B is appropriate.
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What is the Mode of the following data set of 2 , 4, 5 ,6 ,7 ,3 ?
disa [49]

The mode of any data set is the number that appears most often.

In this case, no number appears more often than another.

In this data set, there is no mode.

7 0
3 years ago
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Which of the following measures can be the angles of a triangle?
Colt1911 [192]

Answer:

2nd choice

Step-by-step explanation:

all angles of a triangle must have the sum of 180⁰

72+74+44=180

3 0
3 years ago
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3/10x - 1 = 3/4
Allisa [31]
First you make -1 and 3/4 have a common denominator. 1 has a fraction of 1/1 so times four it is 4/4. Then you add on both sides in order  to isolate x and you get 3/10x = 7/4.

Then you isolate x by multyiplying the reciprocal of 3/10 on both sides, 10/3.
3/10 and 10/3 cancel out and you get an answer of x = 70/4.

You could then simplify it to get 35/6 by finding a greasted common multiple of 12 and 70 which is 2 and dividing both by 2 to get a simpilier answer.

So the answer is x = 35/6
4 0
3 years ago
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The function is expressed by a formula y=0.1x+5. Find the value of the function if the variable is equal to 10; 50; 120.
Aleksandr [31]

Answer:

f(x) = 10:  \large\boxed{6}

f(x) = 50:  \large\boxed{10}

f(x) = 120: \large\boxed{17}

Step-by-step explanation:

Write out the whole function using given information

f(x) = [10, 50, or 120]

Domain/y = 0.1x + 5

Substitute the possible values for x into the domain equation and solve

f(x) = 10: 0.1(10) + 5 = 1 + 5 = 6

f(x) = 50: 0.1(50) + 5 = 5 + 5 = 10

f(x) = 120: 0.1(120) + 5 = 12 + 5 = 17

Final answers:

f(x) = 10:  \large\boxed{6}

f(x) = 50:  \large\boxed{10}

f(x) = 120: \large\boxed{17}

Hope this helps :)

4 0
4 years ago
SOMEONE HELP ILL KISS U WHAT ARE THESE TWO??????
Murljashka [212]

Answer:

i can't see the pic can u re upload it?

Step-by-step explanation:

3 0
3 years ago
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