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Dafna11 [192]
3 years ago
13

Figure ABCD is a parallelogram with point C (3, -2). What rule would rotate the figure 90 degrees clockwise, and what coordinate

would be the output for point C'?
(x, y) → (−y, −x); C' (2, −3)

(x, y) → (y, −x); C' (−2, −3)

(x, y) → (y, x); C' (−2, 3)

(x, y) → (−y, x); C' (2, 3)
Mathematics
2 answers:
Bingel [31]3 years ago
6 0

Correct answer is C' (2,3)

WITCHER [35]3 years ago
4 0
      Coordinates of C ( 3, - 2 ). After the rotation for 90° clockwise new coordinates would be C ` ( - 2, - 3 ).
      Answer:
      B ) ( x , y ) → ( y, -x ) ;   C`( -2, - 3 )  
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Which of the following polygons cannot be used to form a regular tessellation?A. Equilateral triangleB. Regular octagonC. Square
Nataly_w [17]
A- Equilateral triangle.
5 0
3 years ago
What number should be added to the expression x^2+4x to change it into a perfect square trinomial?
sleet_krkn [62]
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x^2+4x+4=(x+2)^2
8 0
3 years ago
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(1 - x)(x + 2)2(x + 3) = 0<br> 'Which of the following is a solution to the equation<br> above?
Natasha_Volkova [10]
Answer:1
Reason: when you replace x with 1 in the given equation you get:
(1-1)(1+2)2(1+3)=0
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3 0
3 years ago
The mass of each candy in a box is 5g. The mass of the empty box is 20g let T grams represent the total mass of the box and cand
grandymaker [24]

Answer:

\begin{center}\begin{tabular}{ c c } n & T\\ 0 & 20 \\  1 & 25 \\   2 & 30 \\   3 & 35 \\   4 & 40 \\  \end{tabular}\end{center}

Please refer to graph attached.

Step-by-step explanation:

Given that mass of each candy in the box is 5 gm.

Mass of empty box is 20 gm.

Total grams, T = 5n + 20

To find: A table of values and graph of the relation.

Solution:

The given equation is nothing but a Linear equation in two variables.

Let us try to create a table of values by putting some values of 'n' and then finding the values for Total grams 'T'.

Let us put n = 0 \Rightarrow T =5\times 0 +20 = 20

Let us put n = 1 \Rightarrow T =5\times 1 +20 = 25

Let us put n = 2 \Rightarrow T =5\times 2 +20 = 30

Let us put n = 3 \Rightarrow T =5\times 3 +20 = 35

Let us put n = 4 \Rightarrow T =5\times 4 +20 = 40

So, the table of values becomes:

\begin{center}\begin{tabular}{ c c } n & T\\ 0 & 20 \\  1 & 25 \\   2 & 30 \\   3 & 35 \\   4 & 40 \\  \end{tabular}\end{center}

We can see that the value of T is increasing with increasing values of 'n'.

Please refer to the attached image for the graph of given equation.

As it is a linear equation in two variables, it will be a straight line. It will be an increasing positive slope graph.

6 0
3 years ago
Julie went to the post office and bought both 41-cent stamps and 26-cent postcards. She spent $51.40. The number of stamps was 2
Naily [24]

Stamps = 100, Postcards = 40

100 x 0.41 cents + 40 x 0.26 cents = $41 + $10.4 = $51.4

------ Solution-----

$0.41 x STAMPS + $0.26 x POSTCARDS = $51.4

1 STAMP = 20 + 2 x POSTCARDS

$0.41 x (20 + 2 x POSTCARDS) + $0.26 POSTCARDS  = $51.4

POSTCARDS = 40

STAMPS = 20 + 2 x 40 = 100


3 0
3 years ago
Read 2 more answers
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