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Nadya [2.5K]
3 years ago
15

(4x2 + 6) + (2x2 + 6x + 3)

Mathematics
1 answer:
rewona [7]3 years ago
6 0
Simplify answer is 6x + 21
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Two angles are supplementary. If 5 times of one angle is 10 times of the other angle, find the two angles.
Luba_88 [7]
5x + 10x = 180
15x = 180
X = 12
5 x 12 = 60
10 x 12 = 120

The angles are 60° and 120°
7 0
3 years ago
The central angle of a circle is equal in measure to one radian when the corresponding arc length is equal to which of the follo
irinina [24]
The formula to find the arc length L is
L = r*theta
where r is the radius and theta is the central angle in radians (this formula will not work if theta is in degrees)

If the central angle is 1 radian, then theta = 1 and
L = r*theta
L = r*1
L = r
So the arc length is the same as the radius

Answer: Choice A) The radius of the circle
5 0
3 years ago
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Vadim26 [7]
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3 0
3 years ago
RV=y+27 and TV=3y–17, find RV in parallelogram RSTU.<br> T<br> S<br> R<br> U<br> V
zaharov [31]

Answer:

RV = 49 units

Step-by-step explanation:

in parallelogram RSTU , the diagonals bisect each other, then

TV = RV , that is

3y - 17 = y + 27 ( subtract y from both sides )

2y - 17 = 27 ( add 17 to both sides )

2y = 44 ( divide both sides by 2 )

y = 22

Then

RV = y + 27 = 22 + 27 = 49 units

6 0
2 years ago
2.3 + 12.3x = 14.6 whats x?
FinnZ [79.3K]

Answer:

x = 1

Step-by-step explanation:

12.3 + 2.3 = 14.6

If you multiplied 12.3 by 1 it would still be 12.3

3 0
3 years ago
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