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egoroff_w [7]
2 years ago
13

PLS HELP ME FAST PLS !!!!!!!!!!!

Mathematics
1 answer:
erastova [34]2 years ago
6 0

Answer:

The Answer is P = (-2.5 , 1 )

Step-by-step explanation:

Let, the point is P(x,y)

then, x=\frac{m_{1}x_{2}+ m_{2}x_{1}}{m_{1}+m_{2}}

     =>x=\frac{5*(-1)+ 3*(-5)}{5+3}

     ∴x=-2.5

Again, y=\frac{m_{1}y_{2}+ m_{2}y_{1}}{m_{1}+m_{2}}

     =>y=\frac{5*7+ 3*(-9)}{5+3}

     ∴y=1

Thus, P = (-2.5 , 1 )

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Russell bought a $1,240 sound system on an installment plan. The installment plan included a 20% down payment and 18 monthly pay
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Find the surface area of the given prism. Round to one decimal place if<br> necessary.
babymother [125]

Answer:

140 I THINK

Step-by-step explanation:

Surface area is the sum of all the areas of this 3d shape.

triangles- (length*width) / 2

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7 0
3 years ago
Read 2 more answers
What is the point slope form of the line with slope 2/5 that passes through the point (−4, −7) ?
Sidana [21]

Answer:

The point slope form of that graph would be D) y + 7 = 2/5(x + 4)

Step-by-step explanation:

We know this by plugging into the point-slope form of the equation, which is listed below.

y - y1 = m(x - x1)

y - -7 = 2/5(x - -4)

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8 0
3 years ago
The set of life spans of an appliance is normally distributed with a mean mu = 48 months and a standard deviation sigma = 8 mont
Ahat [919]

The z-score of an appliance that stopped working at 64 months is 2.

<h3>What is mean?</h3>

The mean of observations is equal to the ratio of sum of all the observations and the number of observations.

Given, the set of life spans of an appliance is normally distributed with a mean mu = 48 months and a standard deviation sigma = 8 months

The z-score is then calculated as

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For an appliance that stopped working at 64 months, we have

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On substituting the values, we get

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Hence, the z-score of an appliance that stopped working at 64 months is 2

Learn more about mean.

brainly.com/question/11822836

#SPJ1

5 0
2 years ago
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