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gayaneshka [121]
3 years ago
10

Only need help on number 8. Thanks in advance. Must show work. If you do I will give you brainliest. :)

Mathematics
1 answer:
marishachu [46]3 years ago
6 0

Answer:

Necklace cost $144 and bracelet cost $48

Step-by-step explanation:

call x is the price of necklace, y is the price of bracelet

because necklace cost 3 time as much as the bracelet

=> 3x = y

A necklace and a bracelet cost $192

=> x + y = 192

=>set of equations

3x = y and x+y = 192

x= 3y and 3y + y = 192

=> y = 48 and x = 3 . 48 = 144

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How to explain why a trapezoid is a quadrilateral but a quadrilateral is not always a trapezoid
Alex787 [66]

A quadrilateral is any figure with 4 sides, no matter what the lengths of
the sides or the sizes of the angles are ... just as long as it has four straight
sides that meet and close it up.

Once you start imposing some special requirements on the lengths of
the sides,  or their relationship to each other, or the size of the angles,
you start making special kinds of quadrilaterals, that have special names.

The simplest requirement of all is that there must be one pair of sides that
are parallel to each other.  That makes a quadrilateral called a 'trapezoid'.
That's why a quadrilateral is not always a trapezoid.

Here are some other, more strict requirements, that make other special
quadrilaterals:

-- Two pairs of parallel sides . . . . 'parallelogram'

-- Two pairs of parallel sides
AND all angles the same size . . . . 'rectangle'
           (also a special kind of parallelogram)

-- Two pairs of parallel sides
AND all sides the same length . . . 'rhombus'
           (also a special kind of parallelogram)

-- Two pairs of parallel sides
AND all sides the same length
AND all angles the same size . . . . 'square'.
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5 0
3 years ago
I need help pls and thank you
Aleks [24]
The fourth table is the correct answer
6 0
2 years ago
PLEASE HELP URGENT WILL GIVE BRAINLIEST
Vadim26 [7]
The answer is 2.3716 have a great day y’all
4 0
2 years ago
How do i write log 4^2=16 in logarithmic form
ohaa [14]
Log16 4 = 2      
log base 16 then the number four then set that equal to 2        

7 0
3 years ago
M=2 A= M+1 T=8 H=T-A MATH=
goldenfox [79]
288 is your answer


Hope this helps :) have a good day
5 0
3 years ago
Read 2 more answers
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