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mrs_skeptik [129]
3 years ago
10

Quadrilateral

Mathematics
2 answers:
sattari [20]3 years ago
7 0

Answer:

See explanation

Step-by-step explanation:

From the question, we understand that the quadrilateral is rotated by 90 degrees about the origin.

The question is incomplete; so, I will give a general explanation.

The rule for 90 degrees rotation about the origin is:

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

For instance:

A point (4,6) will become (-6,4) after rotation.

lesya692 [45]3 years ago
5 0
(x,y)>>>>>>>>(-y,-x) is correct
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8. Solve using any method.<br> 3y – 3 = 3x<br> -3x + 3y = -57
Ksivusya [100]

Answer:

No Solutions.

Step-by-step explanation:

I will solve your system by substitution.

3y−3=3x; −3x+3y=−57

Step: Solve 3y−3=3x for y:

3y−3+3=3x+3 (Add 3 to both sides)

3y=3x+3

(3y/3=3x+3)/3

(Divide both sides by 3)

y=x+1

Step: Substitute x+1 for y in −3x+3y=−57:

−3x+3y=−57

−3x+3(x+1)=−57

3=−57 (Simplify both sides of the equation)

3+(−3)=−57+(−3) (Add -3 to both sides)

0=−60

5 0
3 years ago
A school bus has 25 seats, with 5 rows of 5 seats. 15 students from the first grade and 5 students from the second grade travel
kow [346]

Answer:

5P5×20P15

Step-by-step explanation:

A school bus has 25 seats, with 5 rows of 5 seats.

15 students from the first grade and 5 students from the second grade travel in the bus.

second-grade students occupy the first row.

The 5 students of second grade are to be seated in 5 seats,this can be done in:

5P5 ways where P is the permutation

Now 15 students from first grade are to be arranged in remaining 20 seats

This can be done in:

20P15 ways

Hence, total ways student can be seated is:

5P5×20P15

6 0
3 years ago
Harry is building a model car. The actual car has a length of 15 feet and tires with a radius of 24 inches. His model car has a
nasty-shy [4]

Answer:

B: two inches

Step-by-step explanation:

15/1.25=12

24/12=2

7 0
3 years ago
What type of sequence fits with linear mathematical models?
kiruha [24]
Linear mathematical models describe real world applications with the use lines. For instance, a car going 50 mph, has traveled a distance represented by y=50x, where x is time in hours and y is miles.  The equation and graph can be used to make predictions.
4 0
3 years ago
Read 2 more answers
PLEASE HELP on number 3
solmaris [256]

Answer16

Step-by-step explanation:

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3 years ago
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