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Neko [114]
3 years ago
12

Which figure has the same number of faces?

Mathematics
1 answer:
Dvinal [7]3 years ago
4 0
Rectangular pyramid and triangular pyramid.
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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
Write as a mathematical equation. The product of 5 and x is 25.
pickupchik [31]

answer:

5x=25

Divide 5 from both sides

5x/5=25/5

x=5

4 0
3 years ago
Is it a function and what is the Domain and the Range
Schach [20]

Answer:

a-is a function

the domain is:[-3,1]

the range is :[-4,0]

b- is not a function

7 0
3 years ago
Read 2 more answers
Find the value of x.
Elenna [48]

Answer:

x=16

Step-by-step explanation:

50+40=90

40-8=32

32/2=16

x=16

7 0
3 years ago
Read 2 more answers
Determine whether the number is a perfect square 47
Ghella [55]
Perfect squares are n² where n is a whole number
whole numbers are like 0,1,2,3,4,5,6, etc
no decimal or fractions

we can do that be looking at the perfect squares we know
2²=4
3²=9
4²=16
5²=25
6²=36
7²=49
8²=64
etc

so we see 47 is between 6² and 7²
therefor, for n²=47, n is between 6 and 7 and is therfore not a whole number
that makes 47 not a perfect square
7 0
3 years ago
Read 2 more answers
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