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2 years ago

How many minutes are in a year and a half

Mathematics

2 answers:

irinina [24]2 years ago

8 0

Answer:525949.2 minutes or 31556952 seconds

Vaselesa [24]2 years ago

4 0

Answer:

788923.15

Step-by-step explanation:

1 year = 525948.8

1/2 year = 262974.38

1.5 year = 788923.15

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If Professor Wilson found that the test scores of his students had a variance of 4.4, what is the standard deviation? Type a num

malfutka [58]

Answer:

The standard deviation will be: 2.1

Step-by-step explanation:

We know that standard deviation is basically the square root of variance.

Using the formula to calculate the standard deviation

$s=\sqrt{s^2}$

The variance = s² = 4.4

so the standard deviation can be calculated as:

standard deviation $=\sqrt{s^2}$

$=\sqrt{\left(4.4\right)^}$

$=2.1$

Therefore, the standard deviation will be: 2.1

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3 years ago

Which of the following expression is equivalent to sin(5x) ?

RSB [31]

$Use:\\sin(x+y)=sinxcosy+sinycosx\\-------------------------\\sin5x=sin(3x+2x)=sin3xcos2x+sin2xcos3x\\\\Answer:e)$

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2 years ago

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Need ASAP if you don’t know the answer don’t answer

zubka84 [21]

Answer:

Hmm

Step-by-step explanation:

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2 years ago

Which steps will help prevent the introduction of invasive species into an area?

madreJ [45]

Answer:

answer becit uses b

Step-by-step explanation:

but yass queen but annyway

4 0

2 years ago

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PLEASE HELP ASAP!!!!!

attashe74 [19]

For this case what we must do is use the law of cosines.
We then have the following equation:
$c ^ 2 = a ^ 2 + b ^ 2 - 2 * a * b * cos (x)
$
Where,
a, b: sides of the triangle
x: angle between sides a and b.
Substituting values we have:
$c^2 = 90^2 + 75^2 - 2*90*75*cos(85)
$
Clearing the value of c we have:
$c = \sqrt{ 90^2 + 75^2 - 2*90*75*cos(85)}$
Answer:
An expression that is equivalent to how many feet the oak trees are from each other is:
$c = \sqrt{ 90^2 + 75^2 - 2*90*75*cos(85)}$

7 0

2 years ago