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Deffense [45]
3 years ago
15

HELP PLEASEEEE. The question is attached. I would appreciate if someone could help me.

Mathematics
1 answer:
Blizzard [7]3 years ago
8 0

a counterclockwise rotation about the origin of 90°

The coordinates of P(3, 3), Q(5, 3), R(5, 7)

The coordinates of P'(- 3, 3 ), Q'(- 3, 5), R'(- 7, 5)

Note that the y-coordinate of the image is the negative of the original, while the x-coordinate of the original becomes the y-coordinate of the image

The rotation which does this is a counterclockwise rotation about the origin of 90°

a point (x, y ) → (- y, x )


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Answer fast please !
dsp73
The answer is either A or D, B and C are off the table because the two shapes need to be graphed for those to be relevant. The answer you get should be A I believe.  
7 0
3 years ago
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The perimeter of the big wheel of a bicycle is 9 cm longer than the perimeter of the front wheel. On the road of 120 cm, the big
beks73 [17]

Answer:

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Question

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A boy is cycling such that the wheels of the cycle are making 140 revolutions per minute. If the diameter of the wheel is 60cm, calculate the speed per hour with which the boy is cycling.

Easy

Solution

verified

Verified by Toppr

Radius of the wheel =r=

2

60

=30 cm

Circumference of the wheel =2πr=2×

7

22

×30=

7

1320

cm

Distance covered in 1 revolution =

7

1320

cm

Distance covered in 140 revolutions =

7

1320

×140=26400 cm=264 m=

1000

264

km

Distance covered in one minute = Distance covered in 140 revolutions =

1000

264

km

Distance covered in 1 hour =

1000

264

×60=15.84 km

Hence, the speed with which the boy is cycling is 15.84km/hr.

3 0
2 years ago
the probability that andrea's train is late is 0.05.workout the probability that her train is not late
bazaltina [42]
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4 0
3 years ago
Plzzzz answer fast......​
Over [174]

Answer: (d)

Step-by-step explanation:

Given

XYZA is a rhombus and side XY is 8 units

We know, In a rhombus

  • All sides are equals
  • Diagonals bisect each other perpendicularly

Using the above property, we can write

XY=ZA=8\ \text{units}

Thus, option (d) is correct.

3 0
3 years ago
Find 20% of number 85
tensa zangetsu [6.8K]

Answer: 17

Step-by-step explanation:

20. percent *85 =

(20.:100)*85 =

(20.*85):100 =

1700:100 = 17

5 0
3 years ago
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