What is the value of x in the equation below? (12x– 24) = 16 o оооо =

Mathematics

2 answers:

nekit [7.7K]3 years ago

4 0

Answer:

10/3 or 3.33333333...

Step-by-step explanation:

In order to find x, you must isolate it on one side. To do this, add 24 to both sides to cancel out the "-24" on the side with x on it. This gives you 12x=40. Now, divide 40 by 12 to cancel out the "12" attatched to the x. This will give you 3.333333... or 10/3.

Nostrana [21]3 years ago

4 0

Answer:

x=6

Step-by-step explanation:

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50

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3 years ago

The table shows the results of a poll of 200 randomly selected juniors and seniors who were asked if they attended prom. Find th

Zielflug [23.3K]

Answer:

(a) $\frac{7}{25}$

(b) $\frac{19}{116}$

Step-by-step explanation:

Number of juniors who attended prom,n(J)=28

Number of seniors who attended prom,n(S)=97

Total of those who attended prom=125

Number of juniors who did not attend prom,n(J')=56

Number of seniors who did not attend prom,n(S')=19

Total of those who attended prom=75
Total Number of students=200

(a) P (a junior who did not attend prom)

$P(J')=\frac{56}{200}= \frac{7}{25}$

(b)

$P(Senior)=\frac{116}{200}$

$P ($did not attend prom$ | senior)=\frac{\text{P(seniors who did not attend prom)}}{P(Senior)} \\=\frac{19/200}{116/200} \\=\frac{19}{116}$

(c)P (junior | attended prom)

$P(Senior)=\frac{84}{200}$

$P (Junior|$ attended prom$)=\frac{\text{P(juniors who attended prom)}}{P(\text{those who attended prom)}} \\=\frac{28/200}{125/200} \\=\frac{28}{125}$