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satela [25.4K]
3 years ago
5

Solve by graphing if possible: 12n² + 11 = 0

Mathematics
2 answers:
ioda3 years ago
5 0

Answer:

No real solutions

Step-by-step explanation:

alexdok [17]3 years ago
3 0

Answer:

-528

Step-by-step explanation:

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Jordan can make 5 bracelets in 2 hours . At this rate , how long will Jordan take to make 20 bracelets?
Keith_Richards [23]
If she can make 5 in 2 hours, than just multiply 5X4 to get 20 which lets you know to also multiply 2 by 4. 

answer; jordan can make 20 bracelets in 8 hours
5 0
3 years ago
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F(x)=4x^2-17x+3 how many distinct real number zeros does f have?​
Harrizon [31]

Answer:

2

Step-by-step explanation:

2 distinct real number zeros

Step-by-step explanation:

The discriminant b^2 - 4ac

= (-17)^2 - 4*4*3

= 241

So it has 2 distinct roots.

4 0
3 years ago
The number of bacteria in a certain population increases according to a continuous exponential growth model, with a growth rate
Veronika [31]

It takes 8.35 hours for the size of the sample to double

Step-by-step explanation:

The form of the continuous exponential growth model is

A=Pe^{rt} , where

  • A is the new value
  • P is the initial value
  • r is the rate of growth or decay  in decimal
  • t is the time

∵ The growth rate is 8.3%

∴ r = 8.3 ÷ 100 = 0.083

∵ The size of the sample will doubled in t hours

∴ A = 2 P

Use the formula of the contentious exponential growth above

∵ 2P=Pe^{0.083t}

- Divide both sides by P

∴ 2=e^{0.083t}

- Insert ㏑ in both sides

∴ ln(2)=ln(e^{0.083t})

- Remember ln(e^{n})=n because ㏑(e) = 1

∴ ln(2)=0.083t

- Divide both sides by 0.083

∴ \frac{ln(2)}{0.083}=t

∴ t = 8.35 hours to the nearest hundredth

It takes 8.35 hours for the size of the sample to double

Learn more:

You can learn more about the logarithmic function in brainly.com/question/1447265

#LearnwithBrainly

4 0
4 years ago
Justine is following a recipe that calls for 1 cup lemon juice for every 2 cups of sugar. If she uses 3 cups of lemon juice, how
velikii [3]

Answer:

6 cups

Step-by-step explanation:

We can use ratios to solve

1 cup lemon       3 cups lemon

------------------- = ---------------

2 cups sugar        x cups sugar

Using cross products

1 * x = 2 * 3

x = 6

8 0
4 years ago
Read 2 more answers
Which pair of numbers does the square root of 5 fall between
Olenka [21]
2.2 and 2.3 SO Take 2/5 and that what you get





8 0
3 years ago
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