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lutik1710 [3]
2 years ago
14

Solve -2x+4y=12 for y. A) y=2x+3 b) y= 1/2x+3 c) -y=-1/2x -3 d) x-2y=-6

Mathematics
1 answer:
rjkz [21]2 years ago
8 0

Answer:

B y=1/2x+3

Step-by-step explanation:

1st isolate y by its self. 2nd eliminate x form left side. 3rd add +2 to both sides.4th divide both side with 4. then you divide both sides and you should get y=1/2x+3.

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A principal randomly chose 30 students from grade 8. Of these students, 9 were wearing watches. Based on this information, what
hram777 [196]

Answer:

im pretty sure 36

Step-by-step explanation:

if you do 120 devided by 30 you get 4, then u just multipy by 9 which is 36.

5 0
3 years ago
Which Mean Absolute Deviation represents more consistency? 15.2 or 10.9
Firdavs [7]

Answer:

10.9

Step-by-step Explanation:

The Mean Absolute Deviation of a given data set tells us how far apart, on average, each data value is to the mean of the data set.

The smaller the Mean Absolute Deviation of a given data set is, the closer each data value is to the mean. This also implies less variability of the data set.

Invariably, the smaller the M.A.D, which connotes less variability, the more consistent the data set is.

Therefore, a M.A.D of 10.9 represents more consistency than a M.A.D of 15.2

3 0
3 years ago
Which doesnt belong, and why? 9, 16, 25, 43
Tomtit [17]

Answer:

43

Step-by-step explanation:

The first three numbers are perfect squares:

9 = 3²

16 = 4²

25 = 5²

43 is not a perfect square.

3 0
3 years ago
Read 2 more answers
What is the equation of the line in slope intercept form?
Sladkaya [172]

Answer:

y=3/5x+3

Step-by-step explanation:

The y-intercept which is the (+3) is taken from where the line crosses the y-axis.

The slop is found from rise over run, in this case, -5 to 0 is positive 5 this would go in the denominator, because we go from solid ground 0 to 3 without crossing another solid point, the numerator is 3.  

7 0
3 years ago
Need help asap please
Inessa05 [86]

Answer:

3.8×10^7= 38000000

1.9×10^6= 1900000

38000000÷1900000= 20

the population of California is 20 greater than the population of Nebraska

3 0
3 years ago
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