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geniusboy [140]
3 years ago
5

A culture started with 5,000 bacteria. After 4

Mathematics
1 answer:
Lisa [10]3 years ago
7 0

Answer:

5000 * (e^((1 /4) * ln(55 / 50) * (13))) = 6,815.47

Step-by-step explanation:

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Find the exact value of cos 157.5°.
Nonamiya [84]
Cos 157.5º=-cos (180º-157.5º)=-cos 22.5=-cos(45/2)

cos Ф/2=⁺₋√((1+cosФ)/2).

In this case 157.5º is in the second quadrant, therefore we use the following equation:
cos Ф/2=-√((1+cosФ)/2).          (we will have a negative number)

cos 157.5º=-cos (45/2)=-√((1+cos 45º)/2)
=-√((1+√2/2)/2)
=-√((2+√2)/4)
=-√(2+√2) / 2   (≈-0.92387...)

Answer: cos 157.5º= -√(2+√2) / 2

3 0
3 years ago
3+3+3+3+3+3+3+333333
GREYUIT [131]

Answer:

333354

Step-by-step explanation:

Simplify the expression.

3 0
2 years ago
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There are 3 boys in each row in Ms. Carlton's class. There are 12 boys in Ms. Carlton’s class. How many rows are in Ms. Carlton’
Digiron [165]
4 Rows :)))))))))))))))))))))))
3 0
3 years ago
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suppose the linear regression line y= 2.4x + 3.1 predicts the time,in minutes it takes you to be served at a food stand if there
Scorpion4ik [409]

Answer:

Just substitute "x" with "3".

Step-by-step explanation:

y = 2.4x + 3.1

y = 2.4(3) +3.1

y = 7.2 + 3.1

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Answer: 10.3 minutes

3 0
3 years ago
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Answer:

it increases

Step-by-step explanation:

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2 years ago
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