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inn [45]
4 years ago
6

What is the sum of all angles when the shape is a triangle

Mathematics
1 answer:
elixir [45]4 years ago
6 0
Sum is 180 degrees, always
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There are 220 people who voted at the 6th grade meeting.Sixty percent of the voters are in favor of changing the school mascot.H
Amiraneli [1.4K]
60% of 220 is 132.
220 -132 = 88

88 people.
4 0
4 years ago
Ancient Egyptians did not write the fraction 4/5 as 4/5. Instead they used unit fractions. The numerator of a unit fraction is a
Salsk061 [2.6K]

<u>3/4</u>  =  1/2  +  1/4

<u>5/8</u>  =  1/2  +  1/8

<u>7/12</u>  =  1/2  +  1/12


7 0
3 years ago
A man walks along a straight path at a speed of 4 ft/s. A searchlight is located on the ground 20 ft from the path and is kept f
krek1111 [17]

Answer:

0.128rad/sec

Step-by-step explanation:

Let x represent the between the man and the point on the path

θ = the angle

dx/dt = 4 ft/s

dθ/dt = rate is the searchlight rotating when the man is 15 ft from the point on the path closest to the searchlight

tan θ = x/20 ft

Cross Multiply

20tan θ = x

dx/dt = 20sec² θ dθ/dt

dθ/dt = 1/20 × cos² θ dx/dt

dθ/dt= 1/20 × cos² θ × 4

dθ/dt = 1/5 × cos² θ

Note : cos θ = 4/5

dθ/dt = 1/5 × (4/5)²

dθ/dt = 16/125

dθ/dt = 0.128rad/sec

6 0
3 years ago
PLEASE ANSWER THIS ASAP !!!!
OLEGan [10]

Answer:

 -4

Step-by-step explanation:

Pick any two points, let's go with (-7, 21) and (-6, 17) to find slope:

slope m = (y₂ - y₁) / (x₂ - x₁)

             = (17- 21) / (-6 - (-7))

             = -4 / 1

         m = -4

---Extra info---

y-intercept using anyone point, let's use (-5, 13) and slope above:

  y = mx + b

  13 = -4(-5) + b

  13 = 20 + b

  b = -7

Equation of line:

y = mx + b

y = -4x - 7

Check:

(-7, 21)

  y = -4x - 7

  21 = -4(-7) - 7

  21 = 21

(-4, 9)

  y = -4x - 7

 9 = -4(-4) - 7

 9 = 9

other points should check out as well...

6 0
3 years ago
What changes occurred in the United States as a result of the cotton gin?
Jlenok [28]
While it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton. In fact, the opposite occurred. Cotton growing became so profitable for the planters that it greatly increased their demand for both land and slave labor
3 0
3 years ago
Read 2 more answers
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