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MariettaO [177]
3 years ago
7

Need help please i really stink at math

Mathematics
1 answer:
Musya8 [376]3 years ago
5 0
The side length (x) is 25
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Which Step should be taken next to construct a line parallel to AB
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3. </span>Draw the third vertex of the rhombus-<span> Using the same compass width, set the compass tip at the second vertex, and draw an arc that intersects the given line at a new point. Do not change the width of the compass.
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4 years ago
Find the area of of a regular octagon with side length 8 cm
anyanavicka [17]
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3 0
3 years ago
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PLEASE ill mark brainlist i need help on these
KatRina [158]

Answer:

1. −6x+21

2. −47b+19

3.  -6x + 21

4.  5 + 47x

5.−6x+39

Step-by-step explanation:

7 0
3 years ago
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A random sample of 401 student were recent survey regarding their class standing freshmen software junior senior and their major
SOVA2 [1]

the Solution

Pr(\text{STEM)}=\frac{158}{401}=0.394Pr(\text{Sophomore)}=\frac{87}{401}=0.217Pr(sophomore|Non-stem)=\frac{68}{401}=0.170Pr(\text{sophomore and Non-stem)=}\frac{87}{401}\times\frac{243}{401}=\frac{21141}{160801}=0.1315

To ascertain whether Sophomore and Non-stem are dependent, we have to test the following:

\begin{gathered} If\text{ Pr(sophomore or Non-stem) = Pr(sophomore and Non-stem),} \\ \text{then we conclude that both events are Independent,} \\ \text{otherwise, they are dependent.} \end{gathered}\begin{gathered} Pr(\text{sophomore or Non-stem)=Pr(sophomore)+Pr(Non-stem)} \\ -Pr(\text{sophomore and Non-stem)} \end{gathered}Pr(\text{Sophomore or Non-stem)=}\frac{87}{401}+\frac{243}{401}-(\frac{87}{401}\times\frac{234}{401})=\frac{330}{401}-\frac{21141}{160801}=0.82294-0.13147=0.69147

Cleary, we have that sophomore and non-stem events are dependent events since 0.69147 is not the same as 0.13147.

4 0
1 year ago
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