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Alexandra [31]
3 years ago
14

Arc length

Mathematics
1 answer:
adell [148]3 years ago
8 0

Answer:4π

Step-by-step explanation:

Φ=72

Radius=r=10

Length of arc=Φ/360 x 2 x π x r

Length of arc=72/360 x 2 x π x 10

Length of arc=0.2 x 2 x π x 10

Length of arc=4π

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Help me!!!! Pleaseeee
mariarad [96]

Step-by-step explanation:

<u>Y2 - Y1</u>

X2 - X1

<u>3 - 1</u>

2 - 1  

= 2

y - Y1 = m (x - X1)

y - 1 = 2(x - 1) --- IN POINT SLOPE FORM

y - 1 = 2x - 2

 + 1          + 1

y = 2x - 1 --- IN SLOPE INTERCEPT FORM


QUESTION 12:

Slope intercept form -

  • y = mx + b
  • m represents the slope
  • b represents the y - intercept AKA the starting point
  • When the slope is negative, you go down
  • When the slope is positive, you go up

ABOUT PROBLEM:

  • Since the slope is negative, you go down 4, right 3, but start from the 2 then start doing the slope
  • You have to put 2 on the y - line because it's the y - intercept AKA starting point

y = -4/3x + 2


4 0
3 years ago
Is 2 (x-y) and 2x-2y equivalent
MArishka [77]

Answer:

yes

Step-by-step explanation:

2(x-y) you distribute the 2 to whats inside the parenthesis

2x-2y

4 0
3 years ago
A model ocean liner is 12 inches long. If it is built to a scale of 1 in:300 ft., how long is the real ocean liner?
Amiraneli [1.4K]

Answer:

3600 ft

Step-by-step explanation:

because each inch in the model is 300 feet in real life, you do 12 times 300 ft and you get 3600 ft

7 0
3 years ago
Which symbol creates a true sentence when x equals 2? 6 • 8 – 2x _____ 6(5 + x) &lt; &gt; = ?
34kurt
48-4=44,in the left
6×7=42,in the right
44>42,so > is the answer
5 0
3 years ago
Read 2 more answers
Question 9: Please help, what would be the length of the image of the segment GH?
shepuryov [24]

Answer:

<u><em></em></u>

  • <u><em>The length of the image of the segment GH would be 5 units.</em></u>

Explanation:

You can use the <em>center of dilation</em> as your origin of coordintes.

Thus, the <em>point H</em> would have coordinates (0,0) and the <em>point G</em> (-1,0).

A <em>dilation</em> multiplies the coordinates by the <em>scale factor</em>. Hence:

  • H = (0,0) → H' = 5 × (0,0) = (0,0)
  • G = (-1,0) → G] = 5 × (-1, 0) = (-5, 0)

Thus, the length of the image of segment GH would be the distance from 0 to -5 in a number line, which is 5.

3 0
3 years ago
Read 2 more answers
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