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Kisachek [45]
3 years ago
14

A shopper uses a department store gift card to pay for 5 sweaters priced at $26 each. What is the change in the value of the gif

t card?
Mathematics
1 answer:
White raven [17]3 years ago
6 0

what is the giftcard value???

o-O

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Please help finals are tomorrow
Bogdan [553]
ΔQTR and ΔSTP are similar triangles. The corresponding sides of similar triangles are the same length.
TR = PT
TS = QT

Input the algebraic expression to make an equation system
PT = TR
y = 2x - 1 <em>(first equation)</em>

TS = QT
6x + 13 = 5y
6x - 5y = -13  <span><em>(second equation)</em>

</span>Using subtitution method, subtitute y with 2x - 1 from first equation into the second equation, to find the value of x
6x - 5y = -13
6x - 5(2x - 1) = 13
6x - 10x + 5 = 13
-4x + 5 = 13
-4x = 13 - 5
-4x = 8
  x = 8/-4
  x = -2

Find y with subtituting x with -2 in the first equation
y = 2x - 1
y = 2(-2) - 1
y = -4 - 1
y = -5

Answer:
x = -2
y = -5
6 0
3 years ago
What is 10 + x = 23?
Sloan [31]

Answer:

x = 13

Step-by-step explanation:

This is a simple algebraic problem. Since x must be left by itself in order to solve, we subtract 10 on both sides, giving us the final answer of x = 13.

5 0
3 years ago
Read 2 more answers
A tower made of wooden blocks measures​114 feet high. Then a block is added that increases the height of the tower by 8 inches.
WITCHER [35]
It may be 114ft’ 8” or 1376 or 114.7
Explanation: see what options of answers they give you and pick one :)

Hope this helps! ٩( ᐛ )و
8 0
2 years ago
PLEASE HELP!! pic attached (30 points)
BaLLatris [955]

Answer:

Step-by-step explanation: the answer to all of them is b&:&3$,48x

And balls in ur jaws. Ur welcome

8 0
3 years ago
What’s the equation for X?
svetoff [14.1K]

Answer:

perimeter of rectangles = 2 ( l + b)

34 = 2 ( x + 2 + 3x - 4 )

34 = 2 ( 4x - 2 )

34 = 8x - 4

38 = 8 x

38/ 8 = x

thus , x = 4.75 inches

5 0
2 years ago
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