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3 years ago

What is an equation of the line containing the points (-1,5) and (3,9)

Mathematics

1 answer:

Lady bird [3.3K]3 years ago

3 0

Answer:

y = x+6

Step-by-step explanation:

You can find an equation by using the 2-point form of the equation for a line:

y = (y2 -y1)/(x2 -x1)·(x -x1) +y1

Filling in the given values, we have ...

y = (9 -5)/(3 -(-1))·(x -(-1)) +5

y = (4/4)(x +1) +5 . . . . simplifying a bit

y = x +6

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What is -2m^2-2mn+8-10m+10n+mn+4n^2-5n simplify to

Mrac [35]

Find like terms and group them
3n and 5n are same and 4n^2 and 4n^2 are same
but 3mn and 5n are not and 3n and 2n^3 are not

group like terms
(-2m^2)+(-2mn+1mn)+(8)+(-10m)+(10n-5n)+(2n^2)
add like terms
(-2m^2)+(-mn)+(8)+(-10m)+(5n)+(2n^2)
-2m^2+2n^2-10m+5n-mn+8 is simplest form

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3 years ago

Find the missing Angles

oksian1 [2.3K]

1. a = 68

b = 112

c = 68

2. a = 127

3. a = 35

b = 40

c = 35

d = 70

4. a = 20

b = 70

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d = 70

e = 110

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b = 90

c = 42

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e = 132

6. a = 70

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4 0

3 years ago

Taiga wants to make a circular loop that she can twirl around her body for exercise. He will use a tube that is 2.5 meters long.

Travka [436]

Answer: 0.796 meters

Step-by-step explanation:

Circumference of circle = $2\pi r$ , where r=radius

Here, Circumference of loop = 2.5 meters

i.e. $2\pi r=2.5$

$\Rightarrow\ r=\dfrac{2.5}{2\pi}$

$\Rightarrow\ r=\dfrac{2.5}{2\times\dfrac{22}{7}}\\\\\Rightarrow\ r=\dfrac{2.5\times7}{2\times22}\\\\\Righttarrow\ r=0.398\ m$

Diameter = 2r = 2(0.398) = 0.796 meters

Hence, The diameter of Taiga's exercise hoop = 0.796 meters

7 0

3 years ago

If the cube is divided into two equal parts by a plane parallel to the face defined by vertices 2, 3, 6, and 7, what will be the

notsponge [240]

The area of the cross-section is 169 sq. cm.

That is the correct answer to this problem

5 0

3 years ago

A line has a slope of 10 and includes the points (3, n) and (4,0). What is the value of n?<br> n =

ExtremeBDS [4]

Answer:

The value of n = -10

Step-by-step explanation:

Given the points

(3, n)

(4,0)

Finding the slope between (3, n) and (4,0)

$\left(x_1,\:y_1\right)=\left(3,\:n\right),\:\left(x_2,\:y_2\right)=\left(4,\:0\right)$

As slope = 10

using the formula

Slope = [y₂ - y₁] / [x₂ - x₁]

so substituting the values

10 = [0 - n] / [4 - 3]

10 = -n / 1

10 = -n

n = -10

Therefore, the value of n = -10

8 0

3 years ago

What is an equation of the line containing the points (-1,5) and (3,9)​

What is an equation of the line containing the points (-1,5) and (3,9)