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Zina [86]
3 years ago
10

Equation of lines acellus pls help ofooehhenxkdoke

Mathematics
1 answer:
Bogdan [553]3 years ago
4 0

Answer:

Firstly you must find the slope of two point

Step-by-step explanation:

m=(y2-y1)/(x2-x1) m=-8/4 = -2 after this step you should choose one point. I want to choose (3,1) y-1=2*(x-3). our equation y=2x-7

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A rectangle with a length of 2 w and width of w. An equilateral triangle with side lengths of w + 8. The perimeters of a rectang
Mkey [24]

Answer:

rectangles perimeter: 6w

equilateral triangles perimeter: 3w+24

scenario’s equation: 6w=3w+24

Step-by-step explanation:

w=8

rectangles perimeter= 48

EQUTRI perimeter= 48

8 0
3 years ago
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The lifetimes of 10,000 watch batteries are normally distributed the mean lifetime is 500 days the standard deviation is 60 days
Lelu [443]
Given:
μ = 500 days, the population mean
σ = 60 days, the population standard deviation

Therefore
μ + σ = 560
μ - σ = 440
μ + 2σ = 620
μ - 2σ = 380
μ + 3σ = 680
μ - 3σ = 320

The figure shown below illustrates the normal distribution
About 68% of the total area lies in x = (μ-σ, μ+σ)
About 95% of the total area lies in x = (μ-2σ, μ+2σ)
About 99.7% of the total area lies in x = (μ-3σ, μ+3σ).

7 0
4 years ago
The point (3,0) lies on a circle with the center at the origin. What is the area of the circle to the nearest hundredth?
VashaNatasha [74]
The answer is 28.26

work:
Equation for area of circle: pi*radius squared
the radius of the circle is 3
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5 0
4 years ago
A stuntman jumping off a 20-m-High building is modeled by the equation h=20-5t^2, where t is the same in seconds. A high-speed c
Alchen [17]

Answer: 1\leq t\leq \sqrt{2}


Step-by-step explanation:

1. You know that the high-speed camera is ready to film him between 15 meters and 10 meters above the ground.

2. The problem gives you the following equation:

h=20-5t^{2}

3. Therefore, you must calculate the time when h=15 and when h=10, as following:

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h=10\\10=20-5t^{2}\\5t^{2}=10\\t=\sqrt{2}

4. Therefore, the answer is:

1\leq t\leq \sqrt{2}

3 0
3 years ago
A store buys 5 sweaters for $50 and sells them for $130. How much profit does the store make per sweater?
Svet_ta [14]

Answer: $16

Step-by-step explanation:

Total Profit = $130 - $59

Tatol Profit = $80

Profit Per Seearter = $80 ÷ 5 =26

4 0
3 years ago
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