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alexandr402 [8]
3 years ago
14

Graph the linear equation. Find three points that solve the equation, then plot on the graph. -3x+2y=2

Mathematics
2 answers:
aleksandrvk [35]3 years ago
3 0

First you need to put the equation into slope form which is y = mx + b

-3x + 2y = 2

2y = 3x + 2

y = 1.5x + 1

In this equation the y-intercept is 1 and the slope is 1.5 or 3/2.

To graph the line you can start at the y-intercept then move up 3 and to the right 2 or down 3 and to the left 2.

Three points are (2, 4) , (-2 ,-2), (4, 7).

Hope this helps! Mark as Brainliest please! :)))

tamaranim1 [39]3 years ago
3 0

Transform to slope-intercept form (y = mx + b):

-3x+2y=2\ \ \ |+3x\\\\2y=3x+2\ \ \ |:2\\\\y=1.5x+1

Calculate the coordinates of three points. Put any value of x to the equation of line and calculate a value of y.

for\ x=-2\to y=1.5(-2)+1=-3+1=-2\to(-2;-2)\\for\ x=0\to y=1.5(0)+1=0+1=1\to(0;\ 1)\\for\ x=2\to y=1.5(2)+1=3+1=4\to(2;\ 4)

The graph in attachment

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A toy manufacturer wants to know how many new toys children buy each year. A sample of 601 children was taken to study their pur
Lilit [14]

Answer:

The confidence interval is 6.6<μ<6.8.

Step-by-step explanation:

We have:

Number of observations = 601

Mean = 6.7

Standard deviation σ = 1.5

The z-score for a 95% confidence interval is 1.96.

The limits of the confidence interval can be calculated as

X \pm z*\frac{\sigma}{\sqrt{n}}\\\\LL=X-z*\frac{\sigma}{\sqrt{n}}=6.7-1.96*\frac{1.5}{\sqrt{601} } =6.7-0.1199=6.6\\\\UL=X+z*\frac{\sigma}{\sqrt{n}}=6.7+1.96*\frac{1.5}{\sqrt{601} } =6.7+0.1199=6.8

The confidence interval is 6.6<μ<6.8.

7 0
4 years ago
-6•(-18).......help this is due tomorrow
marin [14]
Two positives multiplied together give us a positive answer. and 18 • 6 is 108.
108 is the answer
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7 0
3 years ago
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How to equivalent 64 1/2​
bagirrra123 [75]

Answer:

129/2

Step-by-step explanation:

      1                129

64  ---     =       -------

      2                 2

To find the improper fraction, you multiply the denominator by the whole number and then add the numerator.  In the end, you put that answer over the starting denominator.

64 X 2 = 128      128 + 1 = 129     129 / 2 is the answer

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