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Margaret [11]
3 years ago
12

Please helpp im really bad at math simplify (7v-2)^2

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
7 0

Answer:

49v²-28v+4

Step-by-step explanation:

(7v-2)(7v-2)

49v²-14v-14v+4

49v²-28v+4

Nadusha1986 [10]3 years ago
6 0
I think the answer is 7v-4
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Vedmedyk [2.9K]

Answer: 17 inches by 7 inches

Step-by-step explanation:

119 = 1 x 119 & 7 x 17

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5 0
2 years ago
Marc ordered a rug. He gave a deposit of 30% of the cost and will pay the rest when the rug is delivered. If the deposit was $75
ra1l [238]

Answer: Marc still owes $175

Step-by-step explanation:

Let x represent the cost of the rug.

Marc ordered a rug and gave a deposit of 30% of the cost and will pay the rest when the rug is delivered. This means that the amount of money that he deposited

for the rug is

30/100 × x = 0.3 × x = 0.3x

If the deposit was $75, it means that

0.3x = 75

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6 0
3 years ago
Tavon has a $50 gift card that loses $2 for each 30-day period it is not used. He also has a $40 gift card that loses $1.50 for
svp [43]

Answer:

20

Step-by-step explanation:

The first equation is 50 - 2x (because you start with $50 and subtract 2 for each 30 day period)

 

The second equation is 40-1.5x

 

Set them equal to each other:  50 - 2x = 40 - 1.5x

Solve for x:

 

50 - 2x = 40 - 1.5 x

    +2x         +2x

-----------------------

 

50 = 40 + 0.5 x

-40   -40

-------------------

10 = 0.5 x

20 = x

 

So there will be 20 30-day periods until the cards will be equal in value.

 

Check:  After 20 periods, 50 - 2(20) = $10 left

 

40 - 1.5(20) = also $10 left

6 0
3 years ago
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