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masya89 [10]
3 years ago
8

Solve the equation

Mathematics
1 answer:
zalisa [80]3 years ago
6 0
Simplify the fraction on the left
  3(x -3) = 3(2x -3)
Divide by 3
  x -3 = 2x -3
Subtract the left side
  0 = (2x -3) -(x -3)
  0 = x

The solution is x = 0.
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What’s is the answer to this equation -3 - 5n = 1 - 6n
Tomtit [17]

-3 - 5n = 1 - 6n

   +6n       +6n

-3 + n = 1

+3         +3

n = 4

Hope this helps! ;)

4 0
3 years ago
Model and solve the problem
kogti [31]

Answer:

9/4

Step-by-step explanation:

multiply 4 and 2 and add the 1 on top which makes it 9 and the denominator stays the same which is 9/4

5 0
3 years ago
write the equation of a line in any form that is parallel 2y = 4x + 8 through the point of (1,3) plz and thank you
V125BC [204]

Answer:

y = 2x+1

Step-by-step explanation:

2y =4x+8\\\\ Write \:in \: y =mx+b \:form\\\\\frac{2y}{2} = \frac{4x}{2} +\frac{8}{2} \\\\y =2x +4\\m =2\\(1,3) =(x_1,y_1)\\Substitute\:values\:into\:point-slope\:form\\\\y-y_1=m(x-x_1)\\y-3=2(x-1)\\y-3 = 2x-2\\y=2x-2+3\\y =2x+1

4 0
3 years ago
Read 2 more answers
Here is a rectangle which has a width of x cm. x cm
miskamm [114]

Answer:

278.25 cm2

Step-by-step explanation:

If the width of the rectangle is x (cm), as the length is 8cm longer, so that the length of the rectangle is: x + 8 (cm).

In the attached image, we can see the length of each side. Total length of the sides are 90 cm.

=> (x + x + 8) + x + 8 + (x+8) + (x + x + 8) + x + 8 + (x +8) = 90

=> 8x + 48 = 90

=> 8x = 90 - 48 = 42

=> x =42/8 = 5.25 (cm)

=> The width of the rectangle is 5.25cm

=> The length of the rectangle is: 5.25 + 8 = 13.25 cm

=> The area of one rectangle is: Length x Width = 5.25 x 13.25 = 69.5625 cm2

As the 8-sided shape is made from 4 rectangles, so that:

Area of 8 sided shape = 4 x Area of the rectangle = 4 x 69.5625 = 278.25 cm2

6 0
3 years ago
What is the area of this figure?<br><br> A.49.5 in²<br> B.66.5 in²<br> C.84 in²<br> D.91 in²
aliya0001 [1]
The area of a trapezoid with base lengths 7 in and 19 in is given by
  A = (1/2)(b1 + b2)h
  A = (1/2)(7 +19)·7 = 91

The appropriate choice is
  D. 91 in²


_____
It can also be figured by adding the area of the 7 in square (49 in²) to the area of the 7×12 in right triangle (42 in²).
3 0
2 years ago
Read 2 more answers
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