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posledela
3 years ago
9

Evaluate the expression using order of operations. 3 x (20 – 5)

Mathematics
2 answers:
horrorfan [7]3 years ago
8 0

Answer:

3 x 15

Step-by-step explanation:

aren't you trying to figure out what the expression is simplified?

CaHeK987 [17]3 years ago
5 0
20-5 will give you 15 then multiple 15x3 will give you 45
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Chris found some colorful leaves under one tree. Under another tree, he
Lynna [10]

Answer:

x+y-3+6

or

x+y+3

5 0
3 years ago
The Census Bureau says that the 10 most common names in the United States are (in order) Smith, Johnson, Williams, Jones, Brown,
scZoUnD [109]
Using binomial distribution where success is the appearing of any of the top 10 most common names, thus probability of success (p) is 9.6% = 0.096 and the probability of failure = 1 - 0.096 = 0.904. Number of trials is 11.
Binomial distribution probability is given by P(x) = nCx (p)^x (q)^(n - x)
Probability that none of the top 10 most common names appears is P(0) = 11C0 (0.096)^0 (0.904)^(11 - 0) = (0.904)^11 = 0.3295
Thus, the probability that at least one of the 10 most common names appear is 1 - 0.3295 = 0.6705

Therefore, I will be supprised that none of the names of the authors were among the 10 most common names given that the probability that at least one of the names appear is 67%.
6 0
2 years ago
Please help do not answer if u don't know it
AveGali [126]

Answer:

the answer is D

Step-by-step explanation:

3 0
3 years ago
The price of an item has been reduced by 40%. The original price was $80. What is the price of the item now?
balu736 [363]

Answer:

$48

Step-by-step explanation:

80 x 0.4 = 32

80 - 32 = 48

Hoped it Helped :-)

3 0
3 years ago
katelyn has taken 4 math quizzes. Her scores were 75,80,97, and 92. What must she get on her next quiz to have an average of at
Vilka [71]
To find the average add all the numbers together then divide by how many numbers there are.

75+80+97+92=344 divided by 4 = 86

So her average right now is 86.

She’d have to make 96 to get an average of 88.

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The answer is 96
4 0
3 years ago
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