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dybincka [34]
2 years ago
14

−15⋅2−0.5x=−90

Mathematics
1 answer:
Kobotan [32]2 years ago
5 0

Answer: x = 120

Step-by-step explanation:

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7+2x/3 =5 what’s the answer
Jobisdone [24]
<h3>Answer:</h3>

4

<h3>Step-by-step explanation:</h3>

\sf  \frac{7 + 2x}{3}  = 5

\sf  = 7 + 2x = (5 \times 3)

\sf  = 7 + 2x = 15

\sf  = 2x = 15 - 7

\sf  = 2x = 8

\sf  =  \:  \:  \: x = 8 \div 2 \\  \sf x = 4

3 0
2 years ago
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Find A cup(B cap C) . A = \{1, 4, 6, 7\}; B = \{3, 4, 5\}; C = \{2, 4, 8\}; \{1, 4, 6, 7\} 4 } \{1, 2, 3, 4, 5, 6, 7, 8\}
Inessa05 [86]

The only common element between B and C is 4, so B ∩ C = {4}.

4 is also already contained in A, so B ∩ C is a subset of A, and thus

A U (B ∩ C) = A = {1, 4, 6, 7}

5 0
2 years ago
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Please help been stuck on this hw question ALLL DAYYYYYY
Rama09 [41]

Answer:

1  5/9

Step-by-step explanation:

9 1/3 can be rewritten as 28/3. The question is asking for you to divide 28/3 by 6. 6 is 6/1, so the expression is 28/3 divided by 6/1. You then do the reciprocal of 6/1 and the expression is \frac{28}{3} * \frac{1}{6}. This gets you 28/18, which is simplified to 14/9 or 1  5/9. Hope this helps!

8 0
3 years ago
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Can someone help I need this asap
balu736 [363]

Answer:

Step-by-step explanation:

Total number of students =100

Number who bought pop corn = 62

Number who bought drinks = 47

Number who bought both =38

Hence number who did not purchase anything = 100-(62+47-38)

=29

Prob that students buys a drink = 47/100 = 0.47

PROB THAT THE  student buys a drink/he purchsaed pop corn

= Number for both/number of pop corn

=38/62 =0.613

P(buying pop corn) = 0.62 and P(drink) = 0.47

Product of these = 0.62*0.37=0.2356

Thus we find product is not equal to Prob of purchsing both

Hence cannot be independent

4 0
3 years ago
50 fewer than number y
Sergeeva-Olga [200]

Answer:

y - 50

Step-by-step explanation:

Not sure if that's what you are looking for, but 50 less than a number is the number minus 50

7 0
2 years ago
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