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Pavlova-9 [17]
2 years ago
11

What is an equation for the line that passes through the points (-2,3) and (2,1)?

Mathematics
2 answers:
Nastasia [14]2 years ago
3 0

Answer:

y = -1/2x + 2

Step-by-step explanation:

Vsevolod [243]2 years ago
3 0

Answer:

y = -0.5x + 2

Step-by-step explanation:

In order to find the equation of a line given two coordinates, you must first find the slope of the equation.

y = mx + b

To find slope (m), use the equation below:

Slope = (y2 - y1 ) / (x2 - x1 )

(2, 1)

(-2, 3)

y2 = 1

y1 = 3

x2 = 2

x1 = -2

Slope = (1 - 3) / (2 - -2) = (-2) / (4) = -0.5

y = -0.5x + b

Next, plug in one coordinate in order to solve for b:

Let's plug in the numbers (-2,3)

3 = -0.5 (-2) + b

b = 3 - 1 = 2

Line's equation =

y = -0.5x + 2

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2 years ago
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Corey needs 24 boards that are 47 1/2 inches long. B. If you can only buy 8-foot boards, how many should he buy? Explain.
dimulka [17.4K]
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4 0
3 years ago
The local water slides have 100 employees, of which 30% are temporary. How many temporary employees are there?
Ugo [173]

Answer:

There are 30 temporary employees

Step-by-step explanation:

<em>To find </em><em>x% of quantity A</em><em>, multiply x% by A after change x% to the normal number by divide it by 100 ⇒ </em><em>(x ÷ 100) × A</em>

Let us use this rule to solve the question

∵ The local water slides have 100 employees

∵ 30% of them are temporary

∴ The number of temporary employees = 30% × 100

∵ 30% = 30 ÷ 100 = 0.30

∴ The number of temporary employees = 0.30 × 100

∴ The number of temporary employees = 30

∴ There are 30 temporary employees

3 0
2 years ago
Find the area of a kite with diagonals 15 m and 7 m.​
lozanna [386]

Answer:

<h2>A = 52.5 m²</h2>

Step-by-step explanation:

The formula of an area of a kite:

A=\dfrac{e\cdot f}{2}

<em>e, f</em><em> - diagonals</em>

<em />

We have <em>e = 15m, f = 7m.</em>

Substitute:

A=\dfraC{(15)(7)}{2}=\dfrac{105}{2}=52.5\ m^2

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3 years ago
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Len [333]

Answer:

I believe the answer is D

Step-by-step explanation:

6 0
2 years ago
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