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Ket [755]
3 years ago
5

Expand it (2/7z -3/5x)2

Mathematics
1 answer:
svet-max [94.6K]3 years ago
3 0
( 2 / 7 z - 3 / 5 x ) 2
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A jacket is advertised to be 85% off the original price. If the sale price is $102 what is the original price ?
Jobisdone [24]
The answer would prob around $188.70 because .85x102=86.7 so add that to 102 and u get 188.70 but I'm prob wrong and I have a test on this tomorrow 


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4 0
3 years ago
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Assoli18 [71]
Answer:

30 and -30 and if that doesn’t work then maybe try -30 first and 30 next
4 0
2 years ago
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Help please! Will give brainlest!
stira [4]
The answer is 17/22 17/20 because of the fractions
6 0
3 years ago
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Multiply out the brackets:<br>(m + 2) (m - 2)​
kramer

Answer:

(m+2)(m-2)=m^2-4

Step-by-step explanation:

(m+2)(m-2)=m(m-2)+2(m-2)

=m^2-2m+2m-4

=m^2-4

6 0
3 years ago
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The perimeter of parallelogram PQSR is 74cm. What is QS?
saveliy_v [14]

parallelogram , opposite sides are equal

so

PR = QS

and

PQ = RS

4x - 1 = 3x + 7

x = 8


PQ = 4(8) - 1 = 32 -1 = 31

Given P = 74 cm


74 - 2(31) = 12

PR = QS = 12/2 = 6


Answer

QS = 6 cm


6 0
3 years ago
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