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Svetlanka [38]
3 years ago
15

Find a. Round to the nearest tenth

Mathematics
2 answers:
EastWind [94]3 years ago
7 0

Answer:

21.8cm is the required answer

Step-by-step explanation:

Neko [114]3 years ago
5 0

Answer: 21.8

Step-by-step explanation:

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It is given that 2(3 + x) = 6 + 2x. This is an example of the ___________ property.
vazorg [7]
Since when you multiply the numbers through, you see that the values are the same. Because of this, you can tell that you are demonstrating the distributive property.

Answer = C
6 0
3 years ago
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What is the solution to the system of equations?
melamori03 [73]

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it is b

Step-by-step explanation:

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dezoksy [38]

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3 0
2 years ago
Which triangles are congruent by SAS?
boyakko [2]

Answer:

Option A

Triangles ABC and TUV

Step-by-step explanation:

Given three triangles ABC , FGH and TUV

For triangles ABC and FGH, given that

DF =AB

DH = AC

and angle F = angle A

This cannot be taken as SAS congruence because the angle F is not included between the equal sides.  Two triangles can be congruent by SAS only if two sides and included angle are congruent.

For triangles ABC and TUV we have AB=TU, AC = TV and

included angles between these sides are equal.

So these two triangles are congruent

We write corresponding sides only in order Hence ABC = TUV

and Not VTU =ABC

So option A is true.

5 0
3 years ago
Help me with this please!
ruslelena [56]
Area of the quarter sector 
Area of the entire circle = pi * r^2
Area of the quarter circle = pi r^2 / 4
r = 9
Area of the quarter circle = pi 9^2 / 4
Area of the quarter circle = pi 81/4 = 20.25 pi

Area of the triangle
Area pf the triangle = 1/2 b*h
b = h = r
r = 9
Area of the triangle = 1/2 9 * 9 
Area of teh triangle = 1/2 81
Area of the triangle = 40.5

Area of the shaded area
The shaded area = Area of the 1/4 circle - area of the triangle
The shaded area = (20.24 pi - 40.5)ft^2

 A <<<<<< Answer.
6 0
3 years ago
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