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harina [27]
3 years ago
11

What is the value of the expression –4x3 when x = –2? A. –24 B. –32 C. 32 D. 24

Mathematics
1 answer:
timurjin [86]3 years ago
6 0
Answer to your question would be 
c. 32
Because you would first have to multiply -4 and -2, and a negative times a negative times a negative equals a positive so -4 times -2 = 8 and then 8 times 3 equals 32 so the answer would be 32.
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Integers, what is the opposite of 0?<br> and the module of this?
aleksklad [387]

Answer:

the opposite of 0 is 0

Step-by-step explanation:The opposite of “zero” is “nonzero”. In programming, 0 denotes false and any other integer represents true.

5 0
3 years ago
Consider three boxes with numbered balls in them. Box A con- tains six balls numbered 1, . . . , 6. Box B contains twelve balls
murzikaleks [220]

Answer:

a) 0.73684

b) 2/3

Step-by-step explanation:

part a)

P ( A is 1 / exactly two balls are 1) = \frac{P ( A is 1 and that exactly two balls are 1)}{P (Exactly two balls are one)}

Using conditional probability as above:

(A,B,C)

Cases for numerator when:

P( A is 1 and exactly two balls are 1) = P( 1, not 1, 1) + P(1, 1, not 1)

= (\frac{1}{6}* \frac{11}{12}*\frac{1}{4})  + (\frac{1}{6}*\frac{1}{12}*\frac{3}{4}) = 0.048611111

Cases for denominator when:

P( Exactly two balls are 1) = P( 1, not 1, 1) + P(1, 1, not 1) + P(not 1, 1 , 1)

= (\frac{1}{6}* \frac{11}{12}*\frac{1}{4})  + (\frac{1}{6}*\frac{1}{12}*\frac{3}{4}) + (\frac{5}{6}*\frac{1}{12}*\frac{1}{4})= 0.0659722222

Hence,

P ( A is 1 / exactly two balls are 1) = \frac{P ( A is 1 and that exactly two balls are 1)}{P (Exactly two balls are one)} = \frac{0.048611111}{0.06597222} \\\\= 0.73684

Part b

P ( B = 12 / A+B+C = 21) = \frac{P ( B = 12 and A+B+C = 21)}{P (A+B+C = 21)}

Cases for denominator when:

P ( A + B + C = 21) = P(5,12,4) + P(6,11,4) + P(6,12,3)

= 3*P(5,12,4 ) =3* \frac{1}{6}*\frac{1}{12}*\frac{1}{4}\\\\= \frac{1}{96}

Cases for numerator when:

P (B = 12 & A + B + C = 21) = P(5,12,4) + P(6,12,3)

= 2*P(5,12,4 ) =2* \frac{1}{6}*\frac{1}{12}*\frac{1}{4}\\\\= \frac{1}{144}

Hence,

P ( B = 12 / A+B+C = 21) = \frac{\frac{1}{144} }{\frac{1}{96} }\\\\= \frac{2}{3}

4 0
3 years ago
Nick makes $50 in 4 hours How much money will he make in 1 hour?​
Nady [450]

Answer:

$12,5

Step-by-step explanation:

50/4=12,5$

brainliest pls

6 0
3 years ago
Read 2 more answers
How is the following decimal number read? 4,084,000.904
Furkat [3]
B. four million eighty-four thousand and nine hundred four thousandths
4 0
3 years ago
Put in order by least to greatest. 1,0.7,1/10​
Finger [1]

Answer:

1/10, 0.7, 1

Step-by-step explanation:

1/10=0.1

0.7=7/10

1=1/1=1.0

3 0
3 years ago
Read 2 more answers
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