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Lelechka [254]
2 years ago
5

The probability distribution for a random variable x is given in the table.

Mathematics
1 answer:
Aleksandr [31]2 years ago
4 0

Answer:

30%

Step-by-step explanation:

The sign means that x can be equal to or LESS than -3. The only ones are -3 and -5. 0.17+0.13=0.30

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nevsk [136]
It would be .5 because if you divide 3 by 6 you get.5
7 0
3 years ago
How many solutions does y=-7x+8 y=-7x-8 have?
OLga [1]

Answer:

no solutions

Step-by-step explanation:

Given the 2 equations

y = - 7x + 8 → (1)

y = - 7x - 8 → (2)

Substitute y = - 7x - 8 into (1)

- 7x - 8 = - 7x + 8 ( add 8 to both sides )

- 7x = - 7x + 16 (add 7x to both sides )

0 = 16 ← not possible

This indicates the system has no solutions

6 0
3 years ago
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Sela's piano lesson starts at 4:45 pm the lesson is 30 minutes long when does her lesson ends
Vadim26 [7]
5:15 PM because adding 15 minutes gets you to 5:00 then another 15 gets you to 5:15
3 0
4 years ago
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When 3(2x + 9) = 4x - 7 is solved for X, the solution is<br> 1<br> 3.<br> is 17<br> 4<br> xs-17
lyudmila [28]

\\ \sf\longmapsto 3(2x+9)=4x-7

\\ \sf\longmapsto 6x+27=4x-7

\\ \sf\longmapsto 6x-4x=-7-27

\\ \sf\longmapsto 2x=-34

\\ \sf\longmapsto x=17

8 0
3 years ago
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AB is parallel to DC.
PilotLPTM [1.2K]

Answer:

They both have q+3/2p, so that means that 2PQ=CB and that means they are parallel to each other

Step-by-step explanation:

PQ=PA+QA

PQ=1/2(2q-p)+2/5*5p=q-1/2p+2p=q+3/2p

CB=2q+3p=2(q+3/2p)

6 0
3 years ago
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