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My name is Ann [436]
3 years ago
12

Which of these variables could be investigated ONLY through observational studies?

Mathematics
2 answers:
LiRa [457]3 years ago
4 0

Answer:

BRUH

Step-by-step ex planation:

bruh moment so yeah thats the answer gimme them point

Mashcka [7]3 years ago
4 0

Answer:

I think its B

Step-by-step explanation:

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What is -5/8 + 3/4 I cannot seem to figure it out correctly thanks!
Pepsi [2]

Step-by-step explanation:

-5/8 + 3/4

= -5/8 + 6/8

=1/8

7 0
3 years ago
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gayaneshka [121]
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3 years ago
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Find the area of the regular octagon if the apothem is 4.2 and a side is 3.4 In. Round to the nearest whole number. A. 114 B. 57
Elena-2011 [213]
The area of the regular octagon is calculated as half of the product of the perimeter and the apothem (ap), using the formula of the area of the regular polygon.
 We have then:
 A = ((p) * (ap)) / 2
 Where,
 p: perimeter
 ap: apotema
 Substituting values:
 A = ((8 * 3.4) * (4.2)) / 2
 A = 57.12 in ^ 2
 Answer:
 
the area of the regular octagon is:
 
B. 57
6 0
3 years ago
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Help me out, thanks.
fiasKO [112]
30x^3 10x
i’m sorry if that doesn’t help but it works out right to me
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5 0
3 years ago
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Which value is a solution of the equation 2 - 8x = -6?<br> A. 1<br> B. 1/2<br> C. -1<br> D. 8
Nuetrik [128]

Answer:

A.) 1

Step-by-step explanation:

First change the equation to 2 + ( - 8x ) = -6 so it’s easier to read

Take away 2 from both sides

So now you have -8x = -8

Divide both sides by -8 so you get positive x and 1

x = 1

3 0
3 years ago
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