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Amanda [17]
3 years ago
7

Wich of the graphs is a solution to the equation

Mathematics
1 answer:
IRINA_888 [86]3 years ago
8 0
Since x is less than or equal to 3, it would then be the second graph, because the arrow is saying it's less than, and the solid dot means it's equal to or less than.
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What is the image of point (4, 5) after a counterclockwise rotation of 270º about the origin?
andriy [413]
A <span>counterclockwise rotation of 270º about the origin is equivalent to a </span><span>clockwise rotation of 90º about the origin.

Given a point (4, 5), the x-value, i.e. 4 and the y-value, i.e. 5 are positive, hence the point is in the 1st quadrant of the xy-plane.

A clockwise rotation of </span><span>90º about the origin of a point in the first quadrant of the xy-plane will have its image in the fourth quadrant of the xy-plane. Thus the x-value of the image remains positive but the y-value of the image changes to negative.
Also the x-value and the y-value of the original figure is interchanged.
For example, given a point (a, b) in the first quadrant of the xy-plane, </span><span>a counterclockwise rotation of 270º about the origin which is equivalent to a <span>clockwise rotation of 90º about the origin will result in an image with the coordinate of (b, -a)</span>

Therefore, a </span><span>counterclockwise rotation of 270º about the origin </span><span>of the point (4, 5) will result in an image with the coordinate of (5, -4)</span> (option C)
3 0
3 years ago
The lenght of a rectangle is 27 cm and its width is 15 cm. *
valentina_108 [34]

Answer:

Ok

Step-by-step explanation:

So should I find area or perimeter?

5 0
2 years ago
Read 2 more answers
Zapisz w postaci jednej potęgi (zapisz obliczenia):
crimeas [40]

Answer:

1. 62,3

2. 0,000129230769

3. 53424

4. 257027760

5. 382,081081

6. ?

7. 261,6

8. ?

9. 45,15

5 0
2 years ago
Josiah weighed 210 pounds. After six months of changing his diet and adding exercise to his daily routine, he weighs 180 pounds.
expeople1 [14]

Answer:   D .) 17% decrease

Step-by-step explanation:

I don't know how to anwser this but i had the same question and when I anwsered d i got it correct.

8 0
2 years ago
Please help me on these questions
Virty [35]
Because it is a quadrilateral, all 4 angles have to add up to 360 degrees.

Add the 3 known angle measures.

80+95+38=213

Then subtract from 360.

360-213=147

X=147 degrees
5 0
3 years ago
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