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Maurinko [17]
3 years ago
14

Part

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
3 0

When a shape is rotated, it must be rotated around a point.

<em>To determine the location of the new triangle, Sonja must subtract (5,-1) from the coordinates of the original triangle, before rotating by </em>90^o<em>.</em>

<em />

From the question, we have:

C = (5,-1) --- the center of rotation

Let the vertices of the triangle be (x,y).

First, she must subtract the coordinates of the center of rotation from the vertices of the triangle.

This gives:

(x,y) \to (x - 5, y + 1)

Then the vertices are rotated by 90^o

<u />

<u>The rule of </u>90^o<u> rotation is:</u>

(x,y) \to (-y,x)

So, we have:

(x - 5,y + 1) \to (-y - 1,x - 5)

From the attachment, the coordinates of the triangle are: (0,2), (0,5) and (4,2)

After rotation, the coordinates are calculated as follows:

(0,2) \to (-2-1,0-5) \to (-3,-5)

(0,5) \to (-5-1,0-5) \to (-6,-5)

(4,2) \to (-2-1,4-5) \to (-3,-1)

Hence, the coordinates are: (-3,-5), (-6,-5) and (-3,-1)

Read more about rotations at:

brainly.com/question/1571997

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lana [24]

<u>Solution:</u><u>-</u>

= 6⁴/6²

=  {6}^{4 - 2} ⠀⠀{ a^m/a^n = a^(m - n) }

<em><u>= 6²</u></em>

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7 0
2 years ago
How to multiply a scientific notation by a whole number?
Fantom [35]

The best way to explain it is to provide a couple of examples.

<u>Example 1:</u>    1.111 x 10³  multiplied by 5

= (1.111 x 5) x 10³

= 5.555 x 10³

<u>Example 2:</u>    6.666 x 10³  multiplied by 5

= (6.666 x 5) x 10³

= 33.330 x 10³

= 3.3330 x 10⁴

Answer: multiply the numbers together and then include 10ⁿ. Convert answer into scientific notation afterward, if needed.

3 0
3 years ago
1/2 + 2/5s = s - 3/4
kakasveta [241]

Answer:

25/12

Step-by-step explanation:

1/2 + 2/5s = s - 3/4

2/5s = s - 5/4

-3/5s = -5/4

s = 25/12

4 0
3 years ago
what does y =mx +b mean and how do you use it to solve problems? whats the different between y=mx+b and y=mx + c
algol13

y=mx+c is the equation for a line graph, m is the gradient and c is where it goes through the y axis, the only difference between y=mx+c and y=mx+b is where u live as in different countries learn it different ways but it is still the same thing
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lys-0071 [83]
True in a couple of ways
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