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iogann1982 [59]
3 years ago
14

The curved path of a celestial object or spacecraft around a star, planet, or moon especially a periodic elliptical revolution i

s called __________.
Group of answer choices
Mathematics
1 answer:
Nataly_w [17]3 years ago
6 0

Answer:

orbit

Step-by-step explanation:

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How many sets of 5 students can be selected out of 30 students?
asambeis [7]

There are 142506 ways in which 5 students can be selected out of 30 students.

<h3>How can a certain number of individuals be selected using a combination?</h3>

The selection of 5 students out of 30 students can be achieved with the use of combination since the order of selection is not required to be put into consideration.

By using the formula:

\mathbf{^nC_r = \dfrac{n!}{r!(n-r)!}}

where;

  • n = total number of individual in the set = 30
  • r = number of chosing individuals to be selected = 5

\mathbf{^nC_r = \dfrac{30!}{5!(30-5)!}}

\mathbf{^nC_r = \dfrac{30!}{5!(25)!}}

\mathbf{^nC_r = 142506}

Learn more about combination here:

brainly.com/question/11732255

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It is =8 00 8-0 I Ait gg ;8 00
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4 years ago
Which expression is equivalent to the expression shown below? --8x – 2(5 + 4x)​
Mnenie [13.5K]

-8x-2(5+4x)

Step-by-step explanation:

-8x-10-8x -8x-8x-10 -16x-10

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3 years ago
$30 is 60% of what number?
ankoles [38]
$30 is 60% of $50.

100 % is the whole figure. Based on the problem, 100 % is separated into two parts, 60% and 40%

100% = 60% + 40%

To get the number where $30 is 60%. Let X be the 100% number.

First, divide all number by 100% to remove the percentage and get the whole number.

100%X = 30 + 40%X

X = 30 + 0.40X
X - 0.40X = 30

0.60X = 30

To get X, divide both sides by 0.60

X = 30 / 0.60
X = 50

To check: Substitute all X by 50.

X = 30 + 0.40X

50 = 30 + (0.40*50)
50 = 30 + 20
50 = 50 EQUAL. CORRECT.


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How would you find the zero of f (x)=16x^4 - 9x^2
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f (x) = 16x ^ 4 - 9x ^ 2 \\ \\16x ^ 4 - 9x ^ 2=0\\ \\x^2(16x^2-9)=0 \\ \\x^2 =0 \ \ or \ \ 16x^2-9=0\\ \\ x=0 \ \ or \ \ (4x-3)(4x+3)=0\\ \\ x=0 \ \ or \ \  4x-3=0 \ \ or \ \ 4x+3 =0\\ \\x=0 \ \ or \ \  4x=3 \ \ / :4 \ \ or \ \ 4x=-3\ \ / :4 \\ \\ x=0 \ \ or \ \   x=\frac{3}{4} \ \ or \ \  x=-\frac{3}{4}
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