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Naya [18.7K]
3 years ago
15

What does it mean when it says a shape has reflection symmetry?

Mathematics
1 answer:
brilliants [131]3 years ago
6 0
It means that if you fold it in half the two halves will be the exact same
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The length of a rectangle is one more than 2 times the width. if the perimeter of a rectangle is 29 inches, find the length
tigry1 [53]
The length of the rectangle is 7 and the width is 3.
6 0
3 years ago
HURRY I need help Three corporations each own land. Corporation A owns 3.2 × 105 acres, corporation B owns 4 × 104 acres, and co
Ne4ueva [31]

Answer:

Corp A. 320,000

Corp B. 40,000

Corp C. 430,000

Corp C owns the most land, Corp A owns 8 times more land.

Explanation:

3.2.• 10^5 = 3.2 • 100,000 = 320,000

4 • 10^4 = 4 • 10,000 = 40,000

4.3 • 10^5 = 4.3 • 100,000 = 430,000

40,000 < 320,000 < 430,000

320,000 ÷ 40,000 = 8

6 0
3 years ago
Read 2 more answers
Evaluate the expression. m×n, when m=13 and n=12
Dmitry_Shevchenko [17]
Mxn
13x12
the answer is 156
5 0
3 years ago
What’s the value of x? :/
kolbaska11 [484]

Answer:

x = 27

Step-by-step explanation:

According to congruent chords and arcs theorem, if \overline{XY} \cong \overline{ZY} then \arc{XY} \cong \arc{ZY}.

This means that \arc{XY} = \arc{ZY} = (6x - 20) degrees

Thus:

\arc{XY} + \arc{ZY} + \arc{ZX} = 360 (full circle = 360°)

\arc{XY} = (6x - 20)

\arc{ZY} = (6x - 20)

\arc{ZX} = 76

Plug in the values into the equation

(6x - 20) + (6x - 20) + 76 = 360

6x - 20 + 6x - 20 + 76 = 360

Add like terms

12x + 36 = 360

Subtract 36 on both sides

12x = 360 - 36

12x = 324

Divide both sides by 12

x = 27

8 0
3 years ago
4 3/10 - ( 2 2/5x+ 5 1/2) = 1/2(-3 3/5x + 1 1/5)
koban [17]

Answer:

x = -223/11 = -20.273

Step-by-step explanation:

Step  1  : Simplify:  11/5

Step 2: Simplify 33/5

Step  3  :

Adding fractions which have a common denominator

Step  4: Simplify: 1/2

Step  5  :  see below

Step  6  :  see below

Pulling out like terms/factors

Step  7 : Simplify: 51/2

Step 8:  Simplify: 22/5

Step 10: Simplify: 43/10

Step  9  :

Calculating the Least Common Multiple

Step  11  :

Adding fractions which have a common denominator

Done.

Hope this helps.

7 0
3 years ago
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