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BlackZzzverrR [31]
3 years ago
5

Use mapping notation to represent a 90 degree clockwise rotation about the origin of the point (x, y)

Mathematics
2 answers:
Vaselesa [24]3 years ago
6 0

Answer:

see explanation

Step-by-step explanation:

Under a clockwise rotation about the origin of 90°

a point (x , y) → (y , - x)


Mashcka [7]3 years ago
6 0

Answer:The answer is choice C. and the rotation is 180

Step-by-step explanation:i just got it right

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3 feet of snow fell in 1 2/3 hours. What was that rate in inches per hours?
dalvyx [7]

Answer:

21 \frac{3}{5}in/hr

Step-by-step explanation:

Distance of snow fall  = 3ft

Time taken  = 1\frac{2}{3}hrs

Unknown:

Rate of snowfall = ?

Solution:

The rate of the snowfall is the same as the speed of the fall;

  Rate of snowfall  = \frac{distance of snowfall}{time}

Convert the ft to inches;

             1ft  = 12inches

             3ft  = 3 x 12  = 36inches

Input the parameters and solve;

           Rate of snowfall  = \frac{36}{\frac{5}{3} }   = 36 x \frac{3}{5} = 21 \frac{3}{5}in/hr

         

7 0
3 years ago
PLz answer this im confused
Bond [772]
5x+12=37
X=5

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8 0
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The area of Sophie‘s herb garden is 1/8 The area of her vegetable garden. The area of her herb garden is 6 square feet. What is
nydimaria [60]
4.8 square feet would be the start of her vegetable garden
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Mara has 4 oval stickers. She has 3 times as many square
Alekssandra [29.7K]

Answer:12

Step-by-step explanation:the answer is 12 because 4 x 3 equals 12.

4 0
3 years ago
3. A recent tornado in a small town in Southwest New York destroyed and damaged
tester [92]

Answer:

\text{Area of the Land}=62906.91 ft^2

Step-by-step explanation:

To determine the area of the land, we first determine the length of the base.

Since it is a isosceles trapezoid,

Length of the base =(228+2x)ft where x is the base of the triangle.

In the Right Triangle,

Perpendicular Height =209 ft

Hypotenuse =221.38 ft

Using <u>Pythagoras Theorem:</u>

Hypotenuse^2=Opposite^2+Adjacent^2\\221.38^2=209^2+x^2\\x^2=221.38^2-209^2\\x^2=5328.1044\\x=\sqrt{5328.1044} \\x=72.99\: ft

Therefore, the length of the isosceles' trapezoid base

=228+2(72.99)=373.98ft

Area of a trapezoid

A=\frac{1}{2}(a+b)h\\$Where a and b are the parallel sides\\h=Perpendicular Height

a=228ft, b=373.98ft, h=209ft

Area=\frac{1}{2}(228+373.98)209\\=\frac{1}{2}*601.98*209\\$Area of the Land=62906.91 ft^2

4 0
3 years ago
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