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2 years ago

Eight More than four times a Number is negative 20

Mathematics

1 answer:

gizmo_the_mogwai [7]2 years ago

3 0

Answer:

If this is what I think it is then your answer is 4x + 8 = -20

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If a variable has a distribution that is bell-shaped with mean 19 and standard deviation 7, then according to the Empirical R

melamori03 [73]

The empirical rule says that approximately 68% of a normal distribution falls within one standard deviation of the mean. In this case, this would include all values of the variable in the interval $(19-7,19+7)=(12,26)$ .

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2 years ago

Plz help i need it!!

Umnica [9.8K]

Answer: c) 19,807

Step-by-step explanation:

$A=A_o\cdot e^{kt}\\\\\bullet A_o\text{ is the initial population}\\\bullet \text{k is the rate of decrease}\\\bullet \text{t is the number of years after 2010}\\\\A=22,000\cdot e{(-0.021)(5)}\\.\ =22,000\cdot e^{-0.105}\\.\ =19,807$

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2 years ago

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Answer:

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2 years ago

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2 years ago

Read 2 more answers

Question 6 of 10

Maksim231197 [3]

Answer:

(2.5 , 3.5)

Step-by-step explanation:

We can use the midpoint formula . Here the points are , (2,2) and (3,5) .

• Using Midpoint Formula :-

⇒ M = { (x1 + x2)/2 , (y1 + y2)/2 }

⇒ M = ( 2+3/2 , 5+2/2 )

⇒ M = ( 5/2 , 7/2 )

⇒ M = ( 2.5 , 3.5 )

<h3>Hence the midpoint is (2.5 , 3.5)</h3>

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2 years ago