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Darya [45]
3 years ago
8

The interior angles formed by the sides of a hexagon have measures that sum to 720 degrees. What is the measure of angle F?

Mathematics
2 answers:
aniked [119]3 years ago
8 0
The sum of the angles shown is ...
  720° = 3x + 240°
Then
  480° = 3x
  160° = x

Angle F = 160° -20° = 140°
I am Lyosha [343]3 years ago
5 0

Answer:

f =140

Step-by-step explanation:

took the test

 720° = 3x + 240°

Then

 480° = 3x

 160° = x

Angle F = 160° -20° = 140°

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3 years ago
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Masha biked 20km 20 minutes faster than Dasha biked 20km. Find the speed of each cyclist if one biked 2km/h faster than the othe
motikmotik

Answer:

  • 12 km/h and 10 km/h

Step-by-step explanation:

Let the speed of Masha = s, speed of Dasha = d

  • Distance = 20 km
  • Time difference = 20 min = 1/3 hr
  • Speed difference  = 2 km/h

<u>As per above info we get following equations:</u>

  • s = d + 2
  • 20/s + 1/3 = 20/d

<u>Substitute s and solve for d:</u>

  • 20/(d + 2) + 1/3 = 20/d

<u>Get rid of fraction by multiplying all terms by 3d(d + 2):</u>

  • 60d + d(d + 2) = 60(d + 2)
  • 60d + d² + 2d = 60d + 120
  • d² + 2d = 120
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3 0
3 years ago
Need help with this math problem
zheka24 [161]

Answer:

m<1 = 51

m<2 = 61

m<3 = 29

Step-by-step explanation:

three angles of a triangle = 180

so knowing that add 68 + 61 to get 129

now subtract cause the last angle will = 180-129 = 51

for angle two is 61 cause their congruent

now we have one angle = 90 and another 61

add them 90+61= 151

now subtract 180-151 = 29

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d. A number rounded to a whole number. Either to a smaller or larger to make it whole and easier to understand. 

e. Equals: Numbers that equal each other. 

I hope this helps you.

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