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Schach [20]
3 years ago
8

Not quite sure of the answer. help me out???

Mathematics
1 answer:
vodomira [7]3 years ago
8 0

Answer:

C = pi * d

Step-by-step explanation:

C = 2 * pi *r

We can replace 2 * r with d since the diameter is twice the radius

C = pi * 2*r

C = pi * d

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A growth medium is inoculated with 1,000 bacteria, which grow at a rate of 15% each day. What is the population of the culture 6
ddd [48]

Answer:

The population of bacteria after 6 days is 2,313.06

Step-by-step explanation:

Given as :

The initial population of bacteria = i = 1,000 bacteria

The growth rate of bacteria per day = 15%

Let The population of bacteria after 6 days = f

The time period of growth = 6 days

<u>Now, According to question</u>

The population of bacteria after 6 days = initial population × (1+\dfrac{\textrm rate}{100})^{\textrm time}

Or, f = i × (1+\dfrac{\textrm r}{100})^{\textrm t}

Or, f = 1000 × (1+\dfrac{\textrm 15}{100})^{\textrm 6}

Or, f = 1000 × (1.15)^{6}

Or, f = 1000 × 2.31306

∴  f = 2,313.06

So,The population of bacteria after 6 days = f = 2,313.06

Hence,The population of bacteria after 6 days is 2,313.06  Answer

3 0
3 years ago
Plss can someone help me
GenaCL600 [577]
I got the answer isa D mate
8 0
3 years ago
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What is the equation of the line that passes through the point (-6,6) and has an undefined slope ?
Likurg_2 [28]

Answer:

x = -6

Step-by-step explanation:

7 0
3 years ago
Please help! 5/20, will give brainliest. I do not tolerate spam answers!
notka56 [123]

This one can be factored.

9x^2-81=9(x^2-9)

3 0
3 years ago
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Help help legit answers only
Ne4ueva [31]

Answer:

x ≈ 46.7°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin x = \frac{opposite}{hypotenuse} = \frac{OP}{NP} = \frac{4}{5.5} , then

x = sin^{-1} (\frac{4}{5.5} ) ≈ 46.7° ( to the nearest tenth )

6 0
3 years ago
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