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Pavel [41]
3 years ago
7

14. 6 • _____ = 3 • ____

Mathematics
1 answer:
Elina [12.6K]3 years ago
6 0

Answer: 143°

Step-by-step explanation:

140+146=286

360-286=74

74/2=37

vertical angles are equal so using supplementary angles or vertical angle rule I can prove the angle labeled x is 143°

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If a circle has a circumference of 38cm what is it’s radius to 0.1cm?
ira [324]

Answer:6.05cm

Step-by-step explanation:

Circumference=2×π×r

38=2×22/7×r

38×7=2×22×r

266=44r

r=266/44

r=6.05cm

8 0
3 years ago
(7^2)^4= n^8 solve for n
S_A_V [24]

Answer:

n=7

Step-by-step explanation:

(7^2)^4= n^8

We know that a^b^c = a^(b*c)

7^(2*4) = n^8

7^8 = n^8

Since the exponents are the same, the bases must be the same

n=7

4 0
3 years ago
How do you solve (Arc)QPT if <QZT = 120
yuradex [85]
By definition, the arc length is given by:
 arc = R * theta * ((2 * pi) / 360)
 Where,
 theta: angle in degrees
 R: radio
 We have then:
 (Arc) QPT if <QZT = 120:
 theta = 360-120 = 240 degrees
 R = 13.5 units
 Substituting values we have:
 (Arc) QPT = R * theta * ((2 * pi) / 360)
 (Arc) QPT = (13.5) * (240) * ((2 * pi) / 360)
 (Arc) QPT = 56.55 units
 Answer:
 
(Arc) QPT = 56.55 units
7 0
3 years ago
Is the following definition of perpendicular reversible? Two lines that intersect at right angles are perpendicular.
lutik1710 [3]
If I remember correctly perpendicular means right angle so I do not think it could be reversed.
7 0
3 years ago
A pipe is 10 ft long. It need to be cut into pieces that are each 2/5 feet long. How many pieces can be made from the pipe?
e-lub [12.9K]
The answer is 25. To check 10/.4 is 25 and 0.4 equals to 2/5
3 0
3 years ago
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