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Reil [10]
4 years ago
11

Is a 270° clockwise rotation is the same as a 90° counterclockwise rotation? Explain why or why not.

Mathematics
1 answer:
S_A_V [24]4 years ago
7 0
Yes it is. I hope I helped
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The perimeter of a rectangle is 35cm. The length is 5cm. Write and
boyakko [2]

Answer:

P = 2L + 2W

35 cm = 2(5 cm) + 2(W cm)

W = 12.5 cm

Step-by-step explanation:

P = 2L + 2W

35 cm = 2(5 cm) + 2(W cm)

35 cm - 10 cm = 2W cm

2W cm = 25 cm

w cm = 12.5 cm

8 0
3 years ago
Read 2 more answers
Find the distance between the points. (Round your answer to two decimal places. (9.7, - 2.8), (- 3.2, 8.8)
Dmitry [639]

Answer:

Rounding it to two decimal places, we get distance, d=17.35

Step-by-step explanation:

Given:

The two points are (9.7, -2.8)\textrm{ and }(-3.2, 8.8)

The distance between the two points can be obtained using the distance formula which is given as:

d=\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}

Here, for the points, (9.7, -2.8)\textrm{ and }(-3.2, 8.8)

x_{1}=9.7,x_{2}=-3.2,y_{1}=-2.8,y_{2}=8.8

Therefore, the distance between the points is:

d=\sqrt{(-3.2-9.7)^2+(8.8-(-2.8))^2}\\d=\sqrt{(-12.9)^2+(8.8+2.8)^2}\\d=\sqrt{(12.9)^2+(11.6)^2}\\d=\sqrt{166.41+134.56}\\d=\sqrt{300.97}=17.348

Rounding it to two decimal places, we get d=17.35

7 0
3 years ago
Write the equation of the line perpendicular to y=4/3x+1 that passes through the points (-8, 4).
Murrr4er [49]

Answer:

The equation is;

y = -3/4x + 12

Step-by-step explanation:

The general form for the equation of a straight line is;

y = mx + b

where m is the slope and b is the y-intercept

With respect to this question;

4/3 is the slope and 1 is the intercept

If two lines are perpendicular, then the product of their slopes is -1

Mathematically;

4/3 * m2 = -1

m2 = -3/4

So to find the equation of this second line, we use the point slope form

This is;

y-y1 = m(x-x1)

y-4 = -3/4(x + 8)

y- 4 = -3/4x + 8

y = -3/4x + 12

3 0
3 years ago
Find the area of a circle with a radius of 11ft. Use 3.14 or 22/7 for pie.
alexgriva [62]

Solution:

<u>Note that:</u>

  • Area of circle: πr²
  • r = 11 ft.

<u>Substitute the radius in the expression to find the area of the circle.</u>

  • (π)(r²)
  • => (22/7)(11²)
  • => (22/7)(121)
  • => 380.29 ft² (Rounded)
8 0
3 years ago
Read 2 more answers
Five times the sum of a number and three is the same as three times the difference of twice the number and one what is the numbe
cupoosta [38]

Answer:

the number is 105

Step-by-step explanation:

5(x+3) = 3(2x - 1)

5x + 15 = 6x - 3

15 = 1x - 3  

(15 + 3)

x = 18

3 0
3 years ago
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