3 years ago

Evaluate the expression when m= -2.8 and n=-6.3. 4n - 6m

Mathematics

1 answer:

Alex73 [517]3 years ago

5 0

Answer is 42, hope this helps

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0.2

Step-by-step explanation:

1/10 = 0.1

10/100 = 0.1

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3 years ago

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Is 2 yards greater less than equivalent to 5 ft

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Hi there.

3 feet = 1 yard;
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I hope this helps!

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3 years ago

4 Order these decimals, starting with the smallest 7.96 9.61 9.534 9.5 9.53

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3 years ago

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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

Now, According to question

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

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3 years ago