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olchik [2.2K]
2 years ago
8

A line passes through the given points. Write an equation for the line in

Mathematics
2 answers:
Liono4ka [1.6K]2 years ago
8 0

4-9=5

-2--8=6

y=mx+b

slope/mx=6/1

base/y intercept=5

d1i1m1o1n [39]2 years ago
4 0

Answer: The equation for the line in  point-slope form :(y+2)=\dfrac{-6}{5}(x-4)

The equation in slope-intercept form : y=\dfrac{-6}{5}x+\dfrac{14}{5}

Step-by-step explanation:

The equation of a line in point slope form passing through points (a,b) and (c,d) is given by :-

(y-b)=\dfrac{d-b}{c-a}(x-a)

Now, the point slope form passing through points (4, -2) and (9, -8) is given by :-

(y-(-2))=\dfrac{-8-(-2)}{9-4}(x-4)\\\\\Rightarrow (y+2)=\dfrac{-6}{5}(x-4)

The equation for the line in  point-slope form :(y+2)=\dfrac{-6}{5}(x-4)

Further if we simplify the equation , we get

y+2=\dfrac{-6}{5}x+\dfrac{24}{5}\\\\\Rightarrow\ y=\dfrac{-6}{5}x+\dfrac{24}{5}-2\\\\\Rightarrow\ y=\dfrac{-6}{5}x+\dfrac{14}{5}

The equation in slope-intercept form : y=\dfrac{-6}{5}x+\dfrac{14}{5}

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The area of a square is (36d^2 - 360d + 9) in^2.
Ber [7]

Answer:

Step-by-step explanation:

36 d²-36 d+9=9(4d²+4d+1)

=9[4d²+2d+2d+1]

=9[2d(2d+1)+1(2d+1)]

=9(2d+1)(2d+1)

=9(2d+1)²

=[3(2d+1)]²

=(6d+6)²

length=6d+6

perimeter=4(6d+6)=24d+24

when d=2

length=6×2+6=18in

perimeter=4×18=72 in

area=18²=324 in²

8 0
2 years ago
Acellus
Step2247 [10]

Answer:

57 cm²

Step-by-step explanation:

Surface area of the yellow prism = front + back + right + left + top

✔️Area of the front = L * W

L = 4 cm

W = 3 cm

Area of the front = 4*3 = 12 cm²

✔️Area of the back = L * W

L = 4 cm

W = 3 cm

Area of the back = 4*3 = 12 cm²

✔️Area of the right face = L * W

L = 4 cm

W = 3 cm

Area of the right face = 4*3 = 12 cm²

✔️Area of the left face = L * W

L = 4 cm

W = 3 cm

Area of the left face = 4*3 = 12 cm²

✔️Area of the top = L * W

L = 3 cm

W = 3 cm

Area of the top = 3*3 = 9 cm²

✅Total = 12 + 12 + 12 + 12 + 9 = 57 cm²

4 0
2 years ago
The sum of three numbers is 24. Twice the middle number is 2 more than the largest number, and the largest number is equal to th
harina [27]

Answer:

  • x = 5, y = 7, z = 12

Step-by-step explanation:

<u>Let the numbers be x, y and z</u>

  • x + y + z = 24
  • 2y = z + 2
  • z = x + y

<u>Solving by substitution:</u>

  • x + y + z = z + z = 24
  • 2z = 24
  • z = 12

  • 2y = z + 2
  • 2y = 12 + 2
  • 2y = 14
  • y = 7

  • z = x + y
  • x = z - y
  • x = 12 - 7 = 5

<u>The answer:</u>

  • x = 5, y = 7, z = 12
8 0
3 years ago
Danny just hired a new employee to work in your bakeshop, In one hour the employee burned 625 chocolate chip cookies. If this re
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The answer is 2500. Hope you get an A+ on whatever you're working on :)
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