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Ilia_Sergeevich [38]
3 years ago
10

Please help me with number 9, also what method you used to get the equation

Mathematics
1 answer:
Sholpan [36]3 years ago
3 0
The Method is that you add 1 block horizontally to the 2nd row of the figure every time you make a new one.
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Which is the equation of a line that has a slope of 1 and passes through point (5, 3)? A.y = x – 2
gizmo_the_mogwai [7]
Filling in the given values in point-slope equation
  y = m(x -x₁) +y1
you have
  y = 1(x -5) +3

This simplifies to ...
  A. y = x - 2
5 0
3 years ago
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The perimeter of the triangle below is 97 cm.
Sloan [31]

Answer:

The length of EF = x = 18 cm

Option A is correct.

Step-by-step explanation:

Ware given perimeter of triangle = 97 cm

We need to find length of EF = x = ?

The length of EG = x+7

The length of EF = x

The length of GF = 3x

The formula used is: Periemter \ of \ triangle= Sum \ of \ all \ sides \ of \ triangle

Putting values and finding x i.e length of EF

Periemter \ of \ triangle= Sum \ of \ all \ sides \ of \ triangle\\97=x+7+x+3x\\97-7=5x\\5x=90\\x=\frac{90}{5}\\x=18 \ cm

So, value of x=18 cm

The length of EF = x = 18 cm

Option A is correct.

4 0
3 years ago
Quadrilateral ABCD is transformed according to the rule (x, y) → (y, –x). Which is another way to state the transformation?
scoray [572]
The answer
there is no more explanation about this question, the solution can be found easily by applying the rule of transformation of rotation

for example, the properties of rotation transformation are:
A rotation preserves length but does not necessarily preserveslope of a line.
A 90° rotation ( 1/4 turn) anticlockwise about the origin changesthe point (x; y) to (-y; x).
A 180° rotation ( 1/2 turn) clockwise or anticlockwise about theorigin changes the point (x; y) to (-x;-y).
A 270° rotation ( 3/4 turn) anticlockwise changes about the originthe point (x; y) to (y;-x).
 so the answer is 
<span>R0, 270°</span>
4 0
3 years ago
Read 2 more answers
Cqn someone answer this?​
Norma-Jean [14]

Answer:

  • -3

Step-by-step explanation:

  • -11/2+27/4+(-17/4)
  • (-22+27-17)/4
  • (-12)/4
  • -3

7 0
3 years ago
Read 2 more answers
C an anyone solve this 3(2b + 3)2 = 36<br> and if so what is it
Natali [406]
3(2b + 3)^2 = 36

Divide by 3 on both sides:
(2b + 3)^2 = 12

Square root both sides:
2b + 3=  \pm \sqrt{12}

Take away 3 from both sides:
2b= \pm \sqrt{12} - 3

Divide by 2 on both sides:
b=  \dfrac{ \sqrt{12} -3 }{2}  \ or \ b=  \dfrac{ -\sqrt{12} -3 }{2}

Answer:
b=  0.23 \ or \ -3.23


5 0
3 years ago
Read 2 more answers
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